Tip #014: Optimize Audio Levels for MP3 Compression

… for Codecs & Media

Tip #014: Optimize Audio Levels for MP3 Compression

Larry Jordan – https://LarryJordan.com

MP3 compression sounds best when audio levels are not excessive.

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The MP3 audio compression standard was invented back in the days of analog audio. Because of this, the compression standard was optimized for audio levels lower than 0 dB to prevent problems with high-energy transient audio peaks, which an analog system often didn’t catch.

Specifically, MP3 audio files sound the best if average peak levels are around -6 dB.

AAC (MPEG-4) audio files, however, being newer and taking advantage of digital technology, are optimized for audio levels that peak right at 0 dB.

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