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Youlean Loudness Meter 2 is a professional audio tool designed for precise loudness measurement and dynamic range analysis, essential in music production, broadcasting, and film post-production. It seamlessly integrates with various digital audio workstations, offering real-time loudness measurements. Additionally, it is available as a standalone APP or as a command-line tool for advanced users.
For more information about Youlean Loudness Meter 2, detailed features, and purchase options, please visit the official page: https://youlean.co/youlean-loudness-meter/.
The PRO version of the Youlean Loudness Meter comes as a single license, with flexible usage terms tailored for both individual and business users.
Personal Usage: For individual users, the license can be applied across multiple personal devices, supporting those who work on various platforms.
Business Usage: In a business setting, the same license is restricted to a single machine but allows unlimited users on that device, making it suitable for team environments or studios where the meter is accessed by multiple people.
This approach ensures that the license adapts to both personal and professional needs.
The PRO version can be unlocked from either the standalone application, command line tool, or plugins.
Purchase PRO Version: Visit the official Youlean website and navigate to the purchase section. Select the PRO version and complete the purchase process.
Receive Serial Number: After purchasing, you will receive an email containing your unique serial number.
Your license should look like this:
EMAIL: name@example.com
SERIAL: YLMP-XXXX-XXXX-XXXX-XXXX
Open Plugin in DAW: Launch the standalone Youlean Loudness Meter application, or open a plugin inside DAW.
Sometimes plugins can have problems accepting keyboard inputs, so the easiest way to register would be using a standalone application.
Enter Registration Details: Click the padlock icon in the plugin interface. Enter the email address and serial number. The easiest way would be to copy the details from the received email and paste them into the correct field.
If you purchase multiple licenses, emails could have text appended to it.
Make sure to enter the whole email text for the registration.
Example 1:
EMAIL: name@example.com-license-1
SERIAL: YLMP-XXXX-XXXX-XXXX-XXXX
Enter name@example.com-license-1 for the email.
Example 2:
EMAIL: name@example.com.123456789
SERIAL: YLMP-XXXX-XXXX-XXXX-XXXX
Enter name@example.com.123456789 for the email.
Activate PRO Features: Click on the "REGISTER" button to activate. Once you reload the standalone application, command line tool, or plugins, the registration will be fully complete for all plugin formats.
If you purchased the license as a business, you are required to have a separate license for every machine. You can however make a license available for all users.
For more information on how to make licenses available for all users and other advanced licensing options, please contact us.
Youlean Loudness Meter 2 is engineered to be compatible with a wide range of systems, ensuring that users across different platforms can access its advanced loudness metering capabilities. Below are the system requirements needed to run Youlean Loudness Meter 2 effectively.
Operating Systems:
macOS: Supports Version 10.13 (High Sierra) or later, compatible with both Intel x64 and ARM64 architectures (Intel CPU, Apple Silicon, M1, M2, M3).
Windows: Compatible with Windows 7 or higher, supports both 32-bit and 64-bit Intel/AMD systems.
Formats:
Application (Standalone): Available for both macOS and Windows. This standalone version allows easy access and usage without needing a DAW.
Command Line Tool: For users who prefer script-based control or automation. This tool offers advanced capabilities for integrating into custom workflows or automated systems.
Plug-in Formats:
VST2: For DAWs supporting the VST2 standard.
VST3: Compatible with newer VST3 standard DAWs.
AU (Audio Unit): Specifically for macOS, works with AU-supporting DAWs.
AAX: Designed for Avid's Pro Tools.
This End User License Agreement (“EULA”) is a legal agreement between you, the end-user (whether an individual or a single corporate entity) and Youlean Software, (“Youlean”) a private company registered in Serbia. The terms of agreement apply to the software product(s), plugin(s) and any other Youlean services or software updates. By downloading, installing, using, copying or distributing the software, the user agrees to all of the terms of this agreement, as stated below.
If the user does not agree to any of the terms of this EULA, the user should not download, install, use, copy, transmit or distribute this (copy of the) software.
If the user agrees to the terms of this EULA, the user has the rights below. By using the software, you accept these terms.
1. INSTALLATION AND USE RIGHTS
FREE VERSION: If you are using the free version software you are hereby free to install it on as many devices as you wish. You may not redistribute or modify the software in any way without the written permission of Youlean. This includes, but is not limited to the distribution on magazine covers or software review websites. You can use the free version for commercial purposes.
Optionally (not required), if you are planning to use the free version within a large company/organization, please inform Youlean using the contact page. This will help us understand what new features are a priority for large companies/organizations.
PRO VERSION: After you have purchased the PRO license for the software and have received a confirmation email, you are licensed to install the software only into the number of devices corresponding to the license you purchased. If you wish to use the plugin on more than one device, at the same time, you must purchase an appropriate number of additional licenses. Only in case you are using the software for your personal use, you may install the software on an unlimited number of personal devices. You may not redistribute, modify or resold the software in any way without the written permission of Youlean. This includes, but is not limited to the distribution on magazine covers or software review websites.
REGISTRATION: After you have purchased the PRO version, you will be provided with a unique license key. You must keep your license key secret. You may not distribute, give away, lend or re-sell it. We reserve the right to monitor the levels of your key usage activity and take any necessary action in the event of abnormal usage being detected.
SUPPORT: The user who has purchased the product is entitled to online support by submitting a support ticket.
UPGRADES: The user who has purchased the product is entitled to free lifetime updates.
INTERNET ACCESS: Software may check license validity, or check for updates by connecting to an external server. For that matter, the HTTP Get protocol is used only. No data is sent from the software to the external servers. Internet connection is optional.
2. PROHIBITED USE
You may not use the plugin on the website(s) and/or webpage(s) that contain inappropriate, unlawful, illegal or offensive content. It is not allowed to host app, command line tool, or plugins on the server for public access.
3. LIMITATION ON REVERSE ENGINEERING
You are not permitted (and you agree not to) reverse engineer, decompile, disassemble or create derivative works of or modify the software. Nothing contained herein shall be construed, expressly or implicitly, as transferring any right, license or title to you other than those explicitly granted by this EULA.
4. TERMINATION
Without prejudice to any other rights, Youlean may terminate this EULA if you fail to comply with the terms and conditions of this EULA. In such event, you must destroy all copies of the software. Termination of this agreement or any other software license granted under this agreement will not affect the customer’s obligation to pay for products and licenses granted prior to the termination.
5. REFUND POLICY
If you are not satisfied with your purchase, please contact us within 30 days of your order and we will try to resolve any issues. If we are not able to resolve your issues, we will give you a 100% refund. After a refund, you must destroy all copies of the software license and deactivate the PRO version from your device(s).
6. TITLE AND OWNERSHIP
The plugin is owned by Youlean and is protected by copyright laws. The plugin is licensed, not sold, to you for solely subject to the terms and conditions of this agreement. Youlean owns all right, title and interest in and to the software product and reserve all rights not expressly granted to you by this EULA.
7. DISCLAIMER OF WARRANTY
You understand and expressly agree that the use of the software is at your sole risk and that you will be solely responsible for any damage to your computer system or loss of data that results from the use of the software. Youlean expressly disclaims any warranty for the plugin. The plugin is provided “as is” without any express or implied warranty of any kind, including but not limited to any warranties of merchantability, non-infringement, or fitness of a particular purpose. Youlean does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within the product. Youlean further expressly disclaims any warranty or representation to authorized users or to any third party.
8. LIMITATION OF LIABILITY
By installing this software you agree to use it at your own risk. In no event shall Youlean, or its affiliates, be liable to you for any consequential, special, incidental or indirect damages of any kind arising out of the delivery, performance or use of the software, even if Youlean has been advised of the possibility of such damages.
Youlean Loudness Meter 2 is equipped with a comprehensive set of measurements essential for audio production and broadcasting. Here's an overview of its key measurement capabilities, including those specific to dialogue:
Measures average loudness over 400 milliseconds, ideal for monitoring rapid loudness fluctuations.
Averages loudness over a 3-second period, useful for evaluating specific parts of a track, like verses or choruses.
Calculates the average loudness over the entire duration of a track or segment, essential for broadcasting and streaming platform compliance.
Detects the maximum level of audio signal peaks to prevent digital clipping and distortion.
Measures the difference between the quietest and loudest parts of a track, indicating its dynamic range.
This ratio reflects the difference between the peak level and integrated loudness, providing insights into the overall dynamics of the track.
Offers real-time insights into the dynamic processing of the audio by measuring the instantaneous difference between peak and loudness levels.
Specifically measures the integrated loudness of dialogue within a program. This is crucial for content where dialogue clarity and consistency are key, such as in film and TV production.
Calculates the loudness range of dialogue content by focusing on the parts where dialogue is present. This measurement is vital for understanding the dynamic range of speech in mixed audio content.
Indicates the percentage of the program's duration that contains dialogue. This metric is particularly useful in assessing the balance between dialogue and other elements in the audio mix, such as music or sound effects.
It's important to note that LUFS (Loudness Units Full Scale) and LKFS (Loudness, K-weighted, relative to Full Scale) are essentially the same measurement. The difference between these two terms lies not in the measurement technique or the result, but rather in how different countries or organizations prefer to refer to this measurement.
LUFS is the term more commonly used in European and international standards.
LKFS is often used in the United States, following the terminology of the ITU (International Telecommunication Union).
Despite this variation in terminology, both LUFS and LKFS adhere to the same reference scale and measurement parameters. In practice, this means that a measurement in LUFS is directly equivalent to a measurement in LKFS.
Download: and download the Windows installer.
Unzip and Run: Extract the downloaded .zip file and run the .exe file.
Installation Process: Follow the on-screen instructions. Choose the desired components and specify the installation directory.
Completion: Complete the installation and then open a standalone application or your DAW to use the plugin.
Done!
Download: and download the Windows installer.
Unzip: Extract the downloaded .zip file and open the "Manual Install" folder.
Copy: Copy the file to the designated plug-in, app, or command line tool location for installation.
Done!
Default locations are as follows:
| Format | Path |
|---|
The command line tool is named “ylm2”
If the installation does not succeed, try using the installer.
The most common mistake is putting a plugin in the wrong folder.
Make sure that you are installing 64-bit plugins if you are on the 64-bit platform.
Pro Tools: Sometimes AAX plugin could not be loaded. This could happen if the plugin signature is broken. Delete the old plugin and install it again to solve the issue.
Ableton Live: Make sure to enable plugins in the settings.
The most common issue happens if you overwrite the old plugin when upgrading. Make sure to delete the old plugins before copying the new ones.
Usually logging off or rebooting is required after manual installation.
If the plugin can not be found, or the app cannot be opened, you might need an older version. Please
Delete the old plugin and then copy a new one. Log off, or reboot your Mac if the plugin can not be loaded.
If you want to manually validate the Audio Unit, open the "Terminal" application and run this command:
For more advanced troubleshooting methods run these commands in "Terminal":
This is a safe operation
This will kill AudioComponentRegistrar process.
It could solve the Audio Unit not showing up problem.
This is a safe operation
Delete com.apple.audio.InfoHelper.plist file. This could be done using Finder or Terminal via the command below.
It could solve various Audio Unit issues.
Warning
Delete com.apple.audiounits.cache file. This could be done using Finder or Terminal via the command below.
It will force a full rescan of all Audio Units on your system.
It could solve various Audio Unit issues.
Unsafe. Do only as a last resort
Delete com.apple.logic10.plist file. This could be done using Finder or Terminal via the command below.
It will reset all Logic Pro X settings.
Most commonly it will solve issues where a plugin is not available in some channel configurations.
Download: and download the macOS installer.
Open and mount: Open the downloaded .dmg file and open it.
Run Installer: Double-click on the installer to run it.
Follow Instructions: Agree to the terms and continue.
Completion: Complete the installation and then open a standalone application or your DAW to use the plugin.
Done!
Download: and download the Windows installer.
Unzip and Mount: Extract the downloaded .dmg file, mount it, and open the "Manual Install" folder.
Drag Copy: Drag files to the specific folders.
Reboot or Log Off
Done!
If you are upgrading, delete the old files first to prevent the installation issues.
Default locations are as follows:
The command line tool is named “ylm2”
If the installation does not succeed, try using the installer.
If you need an older version, please
| Format | Path |
|---|
If you need an older version, please
APP | /Applications/ |
CMD | /usr/local/bin/ |
VST2 | /Library/Audio/Plug-Ins/VST/ |
VST3 | /Library/Audio/Plug-Ins/VST3/ |
AU | /Library/Audio/Plug-Ins/Components/ |
AAX | /Library/Application Support/Avid/Audio/Plug-Ins/ |
APP | C:\Program Files\Youlean\Youlean Loudness Meter 2 |
CMD | C:\Program Files\Youlean\Youlean Loudness Meter 2 |
VST2 32bit | C:\Program Files (x86)\Steinberg\Vstplugins |
VST2 64bit | C:\Program Files\Steinberg\Vstplugins |
VST3 32bit | C:\Program Files (x86)\Common Files\VST3 |
VST3 64bit | C:\Program Files\Common Files\VST3 |
AAX | C:\Program Files\Common Files\Avid\Audio\Plug-Ins |
In software applications, crashes can occur due to various reasons. It's important to report these crashes to the developer.
Crash reports help identify and fix issues, improving the app's performance.
For reporting and assistance, contact us.
If you experience a crash on the Windows operating system, the Youlean Loudness Meter may save a crash report.
The location where crash reports will be saved is:
On macOS systems, Apple will collect crash reports automatically. The crash reports are stored in the "Console" app on your macOS device.
For more information on how to get a crash report, read this Apple documentation.
After installing the plugins, you need to load Youlean Loudness Meter 2 inside your preferred DAW. The following plugin types are supported: VST2, VST3, AU, AAX.
Placement: The plugin should be placed at the last position on the master mixer bus.
Enable Playback: Once the plugin is inserted, enable playback by pressing play in your DAW to see the loudness measurements.
Note: The master fader must be set to 0dB, as it applies volume correction after all plugins in the mixer chain, which can lead to inaccurate loudness measurements if not set properly.
V2.5.10 – November 9, 2024
Fixed graph memory not saving correctly
Fixed utf8 characters not showing correctly in file names on Windows
Fixed meter hidden when external monitor is disconnected
Fixed file browse multimono crash
Fixed clipped text when moving with hardware acceleration off
Fixed crash when changing default OS audio device with standalone app
Fixed broken chars in Windows App settings
Fixed app will reset its settings if you quit via app menu a couple of times in a row
Fixed AAE: -20038 error in Pro Tools
App will now remember its position on the screen
Added resizing from all sides of the window for App on Windows
Removed meter interface is larger than the monitor warning
macOS 10.13 is now minimum requirement
Various small fixes
V2.5.9 – October 3, 2024
Fixed default settings do not load correctly with VST3 in some DAWs
Saving app session and dark theme settings are now global
Updated handling AAX IDs for a possible final fix for -20038 error in Pro Tools
Various small fixes
V2.5.8 – September 26, 2024
Fixed crash when changing audio inputs in standalone APP
Fixed not being able to change audio device in the standalone APP on macOS 14.1 or earlier
Fixed normalized file name unicode error on Windows
Fixed GPU acceleration can not be disabled in some cases
Fixed overdubbing with Time Code mode not showing the right part of the graph
Added a popup button to update all presets when you change some parameters
The app will automatically reset audio input settings if it detects that it has crashed repeatedly
Various small fixes
V2.5.7 – September 13, 2024
Fixed uppercase letters in the file extension not recognized correctly when analyzing a file
Fixed normalization not working for FLAC files
Fixed normalization not working correctly for files bigger than 4GB
Fixed graph glitches when framerate drops while overwriting in the time code mode
Fixed macOS scaling using CTLR instead of COMMAND key
Fixed crash in Qlab 5 on macOS
Fixed app won’t scale correctly on Windows when moving between monitors with different DPI
Fixed the “GUI will not fit” warning wrongly showing when using vertical monitors
Fixed AAX plugin doesn’t load in Avid Media Composer
Fixed AAX AAE: -20038 error in Pro Tools
Fixed graphical glitch when graphs are updating
Fixed compatibility with older project files
Added “–unregister-license” option to unregister license from the command line tool
Added more graph window sizes between 1h and 4h
Added option to double click and edit window size. Use: 01:15:53, or 1h 15m 53s notation. If time is not specified, it will be treated as minutes
Added option to auto update graph window size from the input audio length
Added default audio device option for input and output in the standalone app
Added option to reverse mouse wheel zooming direction
Added peak meter scale options
Added option to analyze system audio natively on macOS 14.2 and later
Added license info panel in registration menu
Added “Reset All Settings” button in the help menu
Updated the handling of global settings
Presets now save all settings, including text scaling etc.
Graph saving option no longer requires PRO version
Improved project saving speed and reduced project file size
Improved Audio Unit stability
Reversed direction of mouse wheel graph zooming
Windows app when analyzing system audio will auto switch audio devices if the default device is changed
Switched normalization WAV format for files bigger than 4GB from W64 to RF64 for better compatibility
Increased maximum file analysis time to 5965 hours (tested up to 150 hours)
Input file is not required anymore to register the license in the command line tool
App will now always start centered on the screen in order to prevent it from being off-screen in multi monitor setups
Various small fixes and stability improvements
V2.5.6 – December 29, 2023
Fixed broken GUI text in drag & drop when GPU acceleration is off
Fixed GUI lag when overwriting measurements in Pro Tools
Fixed crash in auval tool on macOS
Fixed crash with VST3 in Reaper on macOS
Fixed audio output broken in Audacity with VST3
Fixed top and bottom bars not hiding after project reload
Updated CSV export file to include all measurements
It is no longer mandatory to use “–export” for exporting in the command line tool
You can now use “–preset-import-path” to import a preset from a custom location via the command line
Various small fixes and stability improvements
V2.5.5 – November 22, 2023
Added 49 new channel configuration options
Added a button to quickly copy current measurements summary in the clipboard
Added a system to check if audio input is detected, and host playback is paused preventing measurements in
Elapsed histogram mode
Added ability to analyze up to 24 channel audio
Added ability to register the PRO version from the command line tool
Added option to always show all channels for peak meters
Added option to force multi-mono export for normalized file
Added option to hide full file paths in exports
Added option to write BWF metadata to normalized files
Drag and drop file info text will show file name only
Fixed crash when GPU acceleration is disabled.
Fixed message box showing the same messages concurrently
Fixed resetting bug when rendering in SADiE
GUI scaling was reset to a default value
Holding CTRL + ALT on Windows, or Command + Option on macOS and dragging the resize corner will scale the meter interface
Improved compatibility with SADiE
Improved design for standalone app preferences
Improved general stability
Peak meters will now automatically resize based on the channel count.
Plugins and standalone app will now automatically select the best audio channel preset for you (if the feature is available in the host)
Updated GUI scaling code. Windows will now support per-monitor DPI scaling
Using multi-mono files for normalization will now export multi-mono files instead of the single file
You can now analyze and normalize 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, and 24 channel audio.
V2.5.4 – July 19, 2023
Fixed text summary and Command Line true peak max showing max short term value
Fixed “USE DRAG & DROP FILE NAME” not working for file export
Fixed crash when trying to change the export name on some Windows 10 systems
Fixed GUI glitches with the free version
Disabled double click to reset scaling on the resize corner
Added license version info to the help menu
V2.5.3 – July 10, 2023
Added 3s and 5s windows sizes
Added 8k and 16k image export resolutions
Added a helper panel for showing drag and drop channel configuration
Added ylm2 command line tool that can be used for analysis, normalization, and file export
Added ability to analyze FCPX clips directly with drag and drop
Added auto width expand export option
Added Dolby Media Meter CSV export
Added export range options with BWF metadata support
Added file browse panel for selecting individual and multi-mono files
Added more content options like drawing a true peak graph
Added option to automatically export graphs after analysis
Added option to bold loudness target line in the graph
Added option to bold true peak max line in the graph
Added option to disable drag and drop normalization
Added option to disable finish animation after drag and drop
Added option to disable or enable graph fill
Added option to hide top and bottom bars on the interface
Added option to import/export presets
Added option to select a more dense scale, or streaming scale where -14 is always visible
Added option to select graph sampling type. This will affect the graph’s appearance when you use a long zoom size.
Added option to select monochrome, horizontal, or vertical graph coloring
Added option to select the normalization file format
Added option to show all measurements export option
Added option to show color thresholds as a background below the graph
Added option to show color thresholds numbering on scale
Added option to use drag and drop folder path for export
Added path stroke export options
Added Recalculate Selection Technology. Select the part of the graph you want to recalculate
Added system default option for app audio sample rate
Added test files that can be used for analysis and normalization in free and PRO version
Added text summary file export option
Added true peak graph histogram view
Apostrophes are now allowed in the export file name
Auto reset will automatically be disabled if using time code mode
File export will now exclude the start offset
Fixed audio glitches when using low buffer size and high sample rate
Fixed crash when switching the A/B states
Fixed crash when trying to replace the exported file
Fixed dialogue percentage not saved in graph export
Fixed double click to enter a value not working for alerts when the relative scale is active
Fixed drop-down menu not responding on macOS
Fixed hang on load
Fixed Pro Tools AudioSuite in some cases cuts measurements if previous measurements are not cleared manually
Fixed Pro Tools crash when saving a session
Fixed the “audio processing deadline was not met” problem when working at 10h timeline
Fixed true peak alerts showing in the histogram graph if the true peak threshold is hit
Fixed Windows crash with mp4 drag and drop
Fixed Windows installer always adds a desktop icon
GUI drawing is 2x faster. When working in time code mode, speed up is even more significant
Histogram position will not change if the playback is stopped and time code histogram mode is used
Image export timeline will switch to time code if using time code histogram mode
Improved start-up speed
Input gain correction is now app setting only
Lowered brightness of “Created with Youlean Loudness Meter” on export pictures
Normalization now supports input files greater than 4 hours in length
Optimized drag and drop and increased speed by up to 3.7x times
Plugin loading is now 34% faster
Project saving is now 10x faster.
Removed 32-bit AAX plugin support for Windows
Removed graph reset when switching the histogram mode
The audio driver is now disabled by default for standalone APP
The dynamics color “knob” improved the handling of the mouse clicks
The dynamics color button will now be displayed with the gradients like in the graph
The meter will now smartly exclude all data at the start of the time code if necessary
Updated targets UX
You can now click on the “PAUSED” text to resume measurements
Added ATSC A/85 DIAL preset
V2.4.4 – April 1, 2023
Added support for AAX Apple Silicon native
V2.5.2 – BETA – April 25, 2022
Fixed crash when showing a message box
V2.5.1 – BETA – April 24, 2022
Fixed normalization bug
Fixed window resizing bug
V2.5.0 – BETA – April 23, 2022
Fixed APP crash when unplugging audio device on Windows
Fixed AudioSuite not resetting before analysis
Fixed PDF export missing some peaks in the true peak graph
Fixed a nasty bug causing crashes when having multiple plugins loaded at the same time. (might improve stability overall)
Fixed app freeze when changing audio driver type on Windows
Fixed app not closing completely in some cases on Windows
Fixed crashes for Windows standalone app and bad audio drivers
Fixed message box blocking UI on macOS
Fixed some alerts shouldn’t change when relative loudness scaling is activated
Added AES Streaming Short Form preset (commercials <60s)
Added ITU-R BS.1770-1 DIAL and ITU-R BS.1770-2 DIAL presets
Added an ability to test drag and drop in the free version with test files
Added audio pass through option for the standalone app
Added file loudness normalization with WAV export
Added min alerts for momentary, short term and true peak hold readouts
Added normalization verification for double checking normalized file
Added option to require target hit for normalization
Added preset popup infobox
Changed view settings icon
Disabled multi-mono plugin type in Pro Tools
Enabled all histogram modes in standalone app and plugin hosts that don’t support these features. Auto reset will not function in some cases.
Improved preset system
The minimum OS version for macOS is now 10.11
Old custom presets will auto upgrade to the new presets
Reduced vertical size of the interface
Removed 32-bit AAX plugin on Windows
Under the hood optimizations
Updated AAX SDK to the latest version
Updated VST3 SDK to the latest version
Other small UI, UX improvements
V2.4.3 – February 14, 2021
Fixed choppy scrolling in menus on macOS
Fixed forced dedicated GPU switch on macOS. Now the current GPU will be used if possible
Fixed default preset not loading correctly
Fixed loading custom preset does not change the GUI size
Fixed meter in FCPX getting disabled in Big Sur
Fixed OS preventing editing files after drag and drop
Fixed using multi-file drag and drop could lead to incorrect analysis if channel settings are preselected
Fixed app moving up when resizing the window on macOS
Fixed installer not working in 32 bit Windows
Fixed potential huge RAM usage with VST3 plugin
Fixed GUI flickering in some DAWs on older macOS systems
Fixed Time Code not working in some situations in Pro Tools
Updated VST3 SDK to the 3.7.1
Added support for Apple Silicon
Added warning when sample rate is incorrect in the app
If the sample rate is missing in the app preferences, a default sample rate will be used
Removed momentary window knob
Simplified buffer settings in the app preferences
Ignore master volume setting in app preferences is now disabled by default
Changed view settings icon (hopefully more clear now)
macOS 10.9 is now a minimum system requirement for macOS
Other small UI, UX improvements
V2.4.2 – October 19, 2020
Fixed graph constantly resets in some DAWs
Fixed file export not showing dialog values if dialog gating is selected
Fixed app doesn’t remember the custom export path
Fixed crash with macOS El Capitan
Fixed crash with macOS Sierra
Tested and ready for macOS Big Sur
Improved preferences panel for standalone application
V2.4.1 – October 4, 2020
Fixed VST plugin not showing inside EDIUS
Fixed VST3 constantly resetting in Adobe Audition
Fixed AU plugin not working on some older macOS versions
Fixed crash that can occur if loading saved project and using timecode with the auto-reset off
Fixed loudness target knob using frac position when manually setting
Fixed CPU spike when resetting the graphs
Fixed audio dropouts when using higher sample rates
Fixed FCPX muting channels when rendering and using 5.1 channel configuration
Fixed slow analysis with lower sample rates
Fixed mono mpg files do not work with drag and drop on Windows
Fixed drag and drop not working with mono or multichannel AIFF files on macOS
Fixed true peak max value sometimes not shown in the excel export
Fixed true peak not correct on mouseover when the relative scale is used
Fixed export creating incomplete graphs for PDF and SVG files
Fixed SmartScreen warning on Windows
Fixed crash with VST2 and DAVID MultiTrack Editor
Fixed crash in Cakewalk
Fixed crash with VST2 and Wavelab
Fixed crash with Adobe Audition
Fixed crash with Adobe Premiere Pro
Fixed crash with Soundforge Pro 12
Fixed crash when analyzing huge files on Windows
Fixed audio glitches when using VST2 inside Adobe Premiere Pro
Fixed big ram usage when analyzing big files
Improved VST2 stability in some daws
Improved VST3 stability in some daws
Rewritten GUI engine. Hardware acceleration is now supported
If hardware acceleration is not supported, software rendering will be used
Added hold CTRL to set the default preset in the drop-down menu
Added option to show both integrated relative and dialog gated readout at the same time
Added Analyze File menu item on the standalone application
Added HBO, Disney+, EBU R128 S2, and EBU R128 S2 Music streaming presets
Added remaining time info for drag and drop
Added support for RF64 WAV encoding for analyzing 4gb+ files
Removed message box information when exporting graphs
Removed support for macOS 10.7
Analyze multi mono files as one file by using .L.wav, .R.wav, etc. extensions with drag and drop
Changing the preset won’t reset the measurements unless required
Collapsed groups inside drop-down menus are now saved globally
Changed color of the focus rectangle in order to make the text more readable
The export custom path will be globally retained
Other small UI, UX improvements
V2.4.0 – March 20, 2020
Fixed macOS Mojave or Catalina can’t analyze audio from inputs
Fixed crash with Vegas Pro when rendering
Fixed crash with SADiE 6
Fixed crash with OBS Studio
Fixed drop down menus not scrolling in some cases
Fixed reset button doesn’t clear all values in some hosts
Fixed switching from A to B state doesn’t switch properly
Fixed long non-ASCII filenames breaking GUI with file analysis
Fixed standalone app not starting the audio engine after the first install on macOS
Fixed standalone app crashes if digital inputs are selected
Fixed plugin always starts in default size
Fixed window resizing in Ozone 9
Fixed dynamic range graph color do not update on preset change
Fixed channel selection menu not showing correctly with histogram disabled
Fixed short term alerts not set and reloaded properly in free version
Fixed edited preset indication not working for streaming services
Fixed tooltips showing wrong info if menus are open
Fixed window resizing with OBS Studio
Fixed crash when doing drag and drop on AudioSuite in Pro Tools
Fixed drag and drop not switching to 5.1 channels automatically
Added option to save and load projects with the standalone application
Added option to export only loudness or dynamics graphs
Added option to set points density for graph export
Added option to the export-import graph memory file
Added dialog gating option based on Dolby Dialog Intelligence
Added option to see a voice detection inside the histogram based on Dolby Dialog Intelligence
Added option to ignore system audio volume on Windows standalone app
Added option to always keep the standalone app on top of other windows
Added option to resize the window by its sides
Added option to auto update export name based on the file name from drag and drop
Added option to select integrated relative gate type
Added option to select adaptive dialog gate method of calculation
Added adaptive gate threshold setting
Added configurable averaging window for the momentary loudness calculation
Added integrated relative gate indication in the histogram
Added option for showing an alternative look of the metering bars
Added Netflix preset
Added Deezer preset
Updated YouTube preset
Removed click to pause histogram tracking option
Improved CPU usage when the UI is minimized
Improved measurements naming in the graph export
Changed indication for edited preset to a simple star symbol
Output settings are removed on the standalone app because they are not needed
The standalone app now remembers its position
Integrated alerts are now set with presets automatically
Successful export message box now shows the full path of the exported file
Advanced optimizations are now on by default
Improved project saving speed with large graphs
Improved loading speed
Changed LK indication to more correct LU indication
The standalone app preferences will be reverted to default values
Windows installer now remembers previous install paths
Improved GUI performance on 5K iMacs and macOS running non-default display color profiles
Other small UI, UX improvements
V2.3.2 – October 17, 2019
Fixed wrong channel selection in the standalone app
Fixed wrong input name with the ASIO driver in the standalone app
Fixed GUI not working in some older macOS versions
Fixed crash when changing GUI scaling and reverting back to original
Fixed drop-down menu glitch
Fixed drag and drop not working with Ogg files on Windows
Removed support for 32bit on macOS
Improved file support for drag and drop
Added System Audio monitoring in Windows standalone app
Added fullscreen mode in the standalone app
Other small UI, UX improvements
V2.3.1 – August 30, 2019
Fixed volume boost in FL Studio
Fixed custom preset glitch
Fixed blue window showing with empty buttons
Fixed AAX plugin not loading with 7.1.2 channel configuration
Fixed AAX plugin won’t load in Pro Tools 12.7 or earlier
Improved compatibility with Pro Tools
Added prevention of crashing when loading saved state from newer versions
Audio is now only passed for channels set inside the interface
V2.3.0 – August 11, 2019
Audio is now always passed for all connected channels
Added option to add a custom logo to exported files
Added a file selector button for quick analysis
Added Amazon Alexa and Amazon Music preset
Added tooltip info bar
Added support for 7.1 surround and 7.1.2 Dolby Atmos
Added true peak clipping channel indicator
Added an option to invert time code for Elapsed and Continuous histogram mode
Added AAX Audio Suite analyze button
Added back support for 32 bit on macOS
Time coding info is now inverted by default for Elapsed and Continuous histogram mode
Time coding info is now always inverted after drag and drop
Application will not start with paused measurements by default anymore
Fixed macOS installer not showing all information if the dark theme is selected for the OS
Fixed drag and drop has a wrong start in the Time Code mode
Fixed drag and drop not working in some DAWs like Cubase
Fixed GUI glitches with drag and drop in some DAWs
Fixed spike at dynamics graph start
Fixed crash when working with 5.1 surround channels
Improved general stability
Small UI, UX improvements
V2.2.4 – June 20, 2019
Added Apple Podcast and Spotify Loud presets
Drag and drop now always process audio at the file sample rate
Measurements won’t be reset if you open a project with a different sample rate
Alerts now show “OFF” when disabled
Adjusted thresholds and rounding
Adjusted Auto Gradient for dynamic range target to show all green when above the threshold
Right click on readouts now opens the alerts settings
Fixed graph jumps at 0 position when DAW is not playing when using Time Code mode
Fixed some graphical glitches when working in Time Code mode
Fixed mouseover dynamics graph showing dB instead of LU
Fixed drop-down menu graphical glitch
Fixed Pro Tools run out of power when using the Time Code mode
Fixed Time Code not working on sessions longer than 14 hours
Fixed slow GUI animations on some systems
Improved the GUI performance, especially on macOS retina screens
Improved overall performance
Other small UI, UX improvements
V2.2.3 – May 2, 2019
Fixed graph not correctly updated in some cases if using Time Code mode
Fixed input gain not retaining value if global settings are used
Fixed input gain does not modify the output anymore
Fixed crash in TwistedWave with AU
Fixed drag and drop info does not display correctly in TwistedWave
Fixed wrong end position when doing drag and drop in Time Code mode
Fixed crash with drag and drop on macOS Mojave if you have not allowed the permission to use audio
Fixed graph not zooming correctly with mouse wheel if GUI scaling is not at 100%
If you cancel drag and drop the graph is not reset anymore
Animations are now a bit slower on macOS
Removed halo around the dynamic graph
V2.2.2 – macOS Only – April 25, 2019
Fixed problems with loading the plugin on macOS
V2.2.1 – April 23, 2019
Fixed plugin reverting from PRO to free in some cases
Fixed crash in Ableton Live 9 when loading more than one plugin instance
Fixed drag and drop not working in Windows with non-English file paths
Fixed drag and drop crashing with longer files
Fixed crash when using 5.1 in the standalone app
Fixed AAX not working on macOS
Reduced RAM usage for drag and drop by 300%
Improved speed of drag and drop by 2x
Improved preferences panel in the standalone app
Improved news panel
Added option to check updates for BETA versions
Added dropped file info on the histogram
Added option to autosave app session
Added option for input gain correction
Drag and drop can now open all OS supported audio/video files
Audio is now silenced while drag and drop analysis is performed
The installer on macOS now recommends reboot or logging off, but does not force anything
V2.2.0 – BETA – March 29, 2019
Added drag and drop to analyze WAV, MP3, OGG or FLAC files
Added Excel file export option
Added color alerts to mouse over readouts
Added confirmation box when changing GUI scaling
Added A/B save states
Added DR guides in the histogram
Added standalone 64bit app for Windows and macOS
Removed support for 32bit on macOS systems
Removed requirement for a reboot of macOS after updating the plugin using the installer
Removed getting started screen
All plugins and apps are now digitally signed
Fixed wobbly graphs
Fixed wrong selection position after session reload
Fixed plugin starts in extremely low FPS mode after first use
Added automatic gradient setting for dynamics graph
Improved GUI performance
Improved zooming on the histogram
UI and UX improvements
V2.1.1 – November 29, 2018
Fixed Sound Forge not starting in continuous mode
Fixed opening an old project might give you low FPS
Fixed typo in refresh rate menu
Fixed graph not updating in timecode mode
Fixed label text not scaling
Fixed export not working on macOS
Fixed Pro Tools reset graphs glitch
Fixed SVG and PNG not exporting at correct DPI
Plugin moved to Sound Field menu in Pro Tools
V2.1.0 – November 23, 2018
Added plugin dark theme
Added export white theme
Added PNG, SVG graph export
Added resolution selector for the export
Added text scaling option
Added option to save a custom presets
Added simple way to unregister the plugin
Added graph refresh rate control
Added 1.5 HRS, 2.5 HRS, 3.5 HRS window sizes
Added EBU S1 and ASWG presets
Renamed PLR-Integrated to Peak-Loudness Ratio
Renamed PLR-Short Term to Dynamic Range
Extended range of true peak alert threshold (10dB to -30dB)
Improved graph timeline text
Improved loading speed
Graphs rendering optimization
Fixed crash in Studio One on macOS
Fixed FL Studio wrong timecode position after project load
Fixed plugin won’t work until you reselect the continuous mode in some DAWs
UI and UX improvements
Stability improvements
V2.0.2 – September 23, 2018
Fixed graphical glitches on macOS retina screens
Fixed plugin resetting to the FREE mode in Final Cut Pro X
Fixed “GO TO WEBSITE” button
Fixed update notification not working in Windows in V2.0.1
Fixed plugin freeze if you pause measurements and disable and re-enable the plugin in the mixer
Improved compatibility with vMix
V2.0.1 – September 9, 2018
Fixed not being able to click on View and Registration menu
Fixed plugin is moved to the bottom on retina screens
Fixed resize error when dragging plugin from retina to non retina screen
Improved compatibility with retina screens
Improved compatibility with Final Cut Pro X (more work needs to be done)
Fixed crash with AU loading in Studio One
V2.0.0 – September 1, 2018\
Fixed resizing issues in Ableton Live on Windows
Fixed drop shadow glitch with scaled GUI
Fixed problem with file names when exporting PDF files
Fixed Elapsed behavior when “Auto Reset” feature is turned off
Fixed plugin not working in FL Studio using AU plugin format
Minor graphics fixes
Added option to close “Window can not fit the screen” popup
V1.9.9 – BETA – July 20, 2018
Improved GUI performance
Added GUI animations
Added preview for PLR histogram
Fixed not being able to see the GUI interface
Fixed not being able to resize GUI interface in vMix
Fixed empty 2 button panel on GUI open
Added registration panel
V1.9.8 – BETA – June 28, 2018
Fixed “Pro Tools ran out of CPU power” bug
Added Audio Suite version of the plugin for Pro Tools
Changed GUI design (still work in progress)
Added option to check for updates from the plugin
Added “Pause Measurements” button
Added option to set focus on readouts
Resizing performance improvements
V1.9.7 – BETA – May 7, 2018
Fixed hold max values not resetting after a mouse click
Added AAX plugin type for macOS and Windows
Stability improvements
V1.9.6 – BETA – May 2, 2018
Fixed VST3 not working in Studio One
Fixed VST3 not working in vMix
Fixed bug when moving color splits will freeze vMix
V1.9.5 – BETA – May 2, 2018
Added settings for PLR graph, alerts, optimizations
Added pdf export option
Fixed PLR-I measurement error after project reload
Optimized binary size
Reduced CPU usage by ~30%
Minor GUI tweaks
v1.9.4 – BETA – Apr 1, 2018
Fixed forced mono audio
Fixed some crashes
v1.9.3 – BETA – Apr 1, 2018
Fixed broken v1.9.2 build that will crash sometimes
v1.9.2 – BETA – Mar 31, 2018
Added loudness target knob
Added check if a plug-in interface can fit the monitor screen
Added buttons to reset window size and scaling
Added loudness range display
Fixed crash when switching to 22050 Hz sample rate
Minor GUI bug fixes
v1.9.1 – BETA – Feb 28, 2018
Fixed Time Code behavior when “Auto Reset” feature is turned on
Minor small bug fixes
v1.9.0 – BETA – Feb 7, 2018
Added smooth color transition option
Added PLR-Short Term and PLR-Integrated readouts
Added second color split
Added true peak graph display
Added Getting Started window
Added true peak graph display
Extended range of true peak threshold to -30 dB
Optimized graphics for macOS retina and Windows HiDPI mode
Optimized graphics performance
Fixed preset recalling
Fixed most of the resizing problems on macOS
Better compatibility with macOS High Sierra using AU format
GUI design improvements
Stability improvements
v1.5.0 – BETA – Jun 4, 2017
Added GUI scaling. Activate by ctrl+drag on resizing handle
Added view modes
Added continuous mode
Added fine control for true peak threshold
Fixed crashes in Cubase – VST3 version
A lot of stability improvements
Minor graphical glitches fixes
v1.0.5 – Jan 12, 2017
Added macOS installer
Fixed settings not sticking after project reload
Fixed jump when changing window size with the mouse wheel
Improved scrolling with histogram control
macOS stability improvements
Minor graphical glitches fix
v1.0.4 – Dec 12, 2016
Added manual.
Fixed small bug when switching from auto to non-auto in Time Code mode
Fixed wrong integrated and loudness range measurements if play position has jumped in the playlist
v1.0.3 – Dec 8, 2016
Fixed random resetting transport in Bitwig Studio
Many fixes regarding transport
v1.0.2 – Dec 6, 2016
Fixed AU crash at load in Ableton Live
Fixed true peak detection
Fixed a button that pauses integrated and loudness range measurements
v1.0.1 – Dec 4, 2016
Fixed missing libraries on macOS
Fixed volume boost in FL Studio
Fixed FL Studio crash while detaching the plugin
Fixed Reaper crash after play in Windows
Fixed minor graphical glitches
v1.0.0 – Nov 30, 2016
Initial release
Special thanks to all the testers who have helped over the years!
Also, thanks to everyone who has bought the PRO version or spread the word about this software over the years!
The most likely cause for this issue could be:
Wrong channel configuration
The master channel fader is not at 0dB
The user data is stored in the following locations:
Windows:
macOS:
To move all data, copy these folders to the other computers.
If you open a plugin and you see this:
Make sure that this option is disabled in Garageband preferences:
The problem might be if the Elapsed histogram mode is selected, but audio playback is stopped.
The solution is to switch to continuous mode for measurements or to activate a host playback.
Youlean Loudness Meter 2 standalone app offers Live Monitoring capabilities that allow you to track the loudness of your audio in real time. You will need to set up your audio inputs in the app settings before starting live monitoring. For detailed instructions, please refer to . This feature is particularly useful for live broadcasts, mixing, or any scenario where monitoring audio levels as they happen is crucial.
Real-Time Monitoring: Launch the standalone app and begin monitoring the audio signal being fed into your system. You will see the Momentary, Short-Term, Integrated, and True Peak loudness levels displayed in real-time.
Adjusting Levels: Use the visual feedback provided by the standalone app to adjust your audio levels dynamically, ensuring compliance with industry standards and preventing potential issues such as clipping or inconsistent volume.
Youlean Loudness Meter 2 standalone app can also be used for File Analysis or Normalization, allowing you to ensure that your audio meets specific loudness targets for broadcasting, streaming, or other purposes.
File Analysis: Drag and drop audio or video files into the standalone app to analyze their loudness characteristics. This is especially useful for verifying compliance with loudness standards before submitting audio for broadcast or streaming platforms.
Normalization: Use the Normalization feature in the standalone app to adjust the loudness of your files to meet specific targets, such as -14 LUFS for streaming. This ensures that your audio content is consistent and meets industry expectations.
The application can analyze single files only. If you need batch mode, please use Command Line Tool to automate the process.
Youlean Loudness Meter was and currently is developed by a single developer: Julijan Nikolic
The first version was released on November 30, 2016, and development is still going on.
The development was started for the KVR Developer Challenge 2016 competition in which Youlean Loudness Meter got the top votes and first place.
The winning product was then presented at NAMM 2017 in Los Angeles, USA.
Since then, Youlean Loudness Meter has had a lot of new features added.
The Command-Line Tool of Youlean Loudness Meter 2 offers advanced users an efficient way to analyze and normalize audio files, and export reports. To begin using the tool, ensure it's properly installed. You can either manually install it or use an installer to integrate it into your system path for system-wide availability.
Basic Usage:
The tool functions via specific command line arguments. Here's the basic usage structure:
Always use absolute paths as relative paths are not supported.
Key Commands and Options:
--input-file-path <path>: Sets the input file path. You can input multiple paths for multi-mono files.
--preset-name <name>: Selects the preset name for analysis settings.
--channel-config <config>: Chooses the channel configuration, with 'auto' as the default.
--export: Triggers the export of reports.
--normalize: Exports a normalized file.
Examples of Usage:
Basic Analysis:
This command analyzes the specified file and prints the results.
Analysis with Export:
Analyzes the file and exports the results as a PNG.
Normalization and Export:
Normalizes the audio file and exports a PDF report.
Tips for Effective Use:
Preset Selection: Use the Youlean Loudness Meter 2 application to create and select presets with desired settings for your analysis.
Export Customization: Customize your export options (type, folder path, file name) based on your requirements.
Console Results: Use --print-result to see immediate analysis results in the console.
For a full list of --preset-name, --channel-config, and --export-type options, use --help to print options to the console.
This page offers a comparison between the Free and PRO versions of Youlean Loudness Meter 2.
| Program Formats | FREE | PRO |
|---|---|---|
| GUI Customization | FREE | PRO |
|---|---|---|
| Feature | FREE | PRO |
|---|---|---|
| Measurement Algorithms | FREE | PRO |
|---|---|---|
| Channel Configuration | FREE | PRO |
|---|---|---|
| Graphs | FREE | PRO |
|---|---|---|
| Workflow | FREE | PRO |
|---|---|---|
| Graph Export | FREE | PRO |
|---|---|---|
| File Processing | FREE | PRO |
|---|---|---|
| Meter Settings | FREE | PRO |
|---|---|---|
Standalone Application
AU, VST2, VST3, and AAX Plugins
Command Line Tool
Mini View
Peak Meters
GUI Resizing
GUI Scaling
Text Scaling
Dark Theme
Graph Opacity, Contrast, and Saturation Ajustments
Hide Top And Bottom Bars
Film, TV, and Gaming Presets
Streaming Presets
Custom Presets
Momentary
Short Term
Integrated
Loudness Range
Integrated Dial
Loudness Range Dial
Dynamics (PSR)
Average Dynamics (PLR)
True Peaks
Mono
Stereo
5.1 Surround
7.1 Surround
7.1.2 Dolby Atmos
7.1.4 Dolby Atmos
Advanced Configurations
Short Term Graph
Momentary Graph
Dialogue Indicator
Relative Gate Indicator
Dynamics Graph
True Peak Graph
Graph Overdub
Graph Auto Reset
Graph Overdub
A/B States
Recalculate Selection Technology
Preset Info Window
Histogram Mode Configuration
Auto Channel Selection
Adjust Graph Size
Adjust Time Code Count Direction
SVG
CSV
Dolby CSV
Graph Memory
Text Summary
File Analyze
File Normalize
Set Loudness Target
Change Scale Offset
Change Scale Range
Use Relative Scale
7 Color Graphs
Additional Graph Options
Custom Alerts/Targets
Set Maximum Analysis Time
Auto Save Application Session
