The volume is proportional to the normalized percentage. ![]() The amount by which the volume or levels is brought down. The Normalized (61%) represents the percentage of normalization that happened to the audio. The Volume (100%) describes the Volume slider setting in the YouTube player and can be adjusted by clicking on the “speaker” icon or the volume adjustment and dragging the slider up or down. This column is what we check to find the audio changes. Volume / Normalized: 100% / 61% (content loudness 4.3 dB) (-9.7LUFS, Louder than Youtube standards) (-17.5LUFS, Softer than Youtube standard) Youtube offers a feature called ‘Stats for nerds’ for people like me and you, to understand certain elements from both the video and audio perspective. ![]() There are some external plugins that can be also used to measure these like Nugen VisLM, waves WLM meter, Izotope insight, etc.Ĭoming back to the test, I have uploaded all 3 on YouTube. I have used a common tool, which is Apple logic Pro stock measurement tools to measure all these so that anyone can try this out just with ease. (Attached this screenshot for ref where the actual is -14.1LUFS. I have mastered 3 audio files and measured them: So I decided to do a simple test to understand and explain it. How is it possible? I think YouTube doesn’t really normalize and louder masters will be louder’. In simple terms, If your music or audio is loud, It will be normalized and the audio levels will be brought down to the target level, which is -14LUFS, by the youtube algorithm so that you can enjoy your music or video without having to reach the volume button for every video or song.īut most people I come across asks me ‘But there are some music that is louder than the others. Since a constant amount of gain is applied for the entire audio, the Signal-to-noise ratio, and the relative dynamics, are unchanged, even though there is a level change. Normalization is the process where a constant amount of gain is applied to an audio recording or music to bring the levels or amplitudes to the target level. In terms of loudness, the music or audio, when it is uploaded into any streaming platform, say YouTube, the audio goes through a process called Normalization. What do streaming platforms do to our music or audio? Youtube = -14LUFS, Spotify = -13LUFS,etc. I have been through this! But, to control the loudness war, and to benefit the listeners, all or most of the major streaming platforms came up with their own standards on how loud the music or audio should be. ![]() As engineers, musicians, and producers, we all have come across this statement at some point in life, ‘Can you make it more louder?’.
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