Audio

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Main Page > Documentation > Format policies > Audio

[edit] Significant characteristics of audio files

[edit] Preservation Format

LPCM/WAVE

[edit] Access Format

MP3

[edit] Normalization tool

FFmpeg

[edit] Comments

  • For the preservation master, audio files are normalized to WAVE LPCM with a bit depth of 16 bits per sample. The sampling frequency of the original file is maintained. If the ingested file has a bit depth of greater than 16, normalization will be adjusted to use the higher bit depth.
  • For the access copy, audio files are normalized to MP3 using a bit-rate of 192 kbp/s.


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