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presentations/audiocodecs/slides/11-aac.md

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AAC

Advanced Audio Codec

  • Developed in 1998
  • Open standard with royalties
  • Also sometimes called "MP4 Audio"
  • Very good software support
  • Supports:
    • 24-bit sampling depth
    • 96kHz sampling rate
    • 48* audio channels
    • 256 kbit/s/channel bitrate


Music

AAC Music Sample

"The Show Must Be Go" by Kevin MacLeod

Licensed under CC-BY 3.0

Voice

AAC Voice Sample

LibriVox recording of "The Art of War" by Sun Tzu

Read by Moira Fogarty

Note: 48 channels have up to 96kHz sampling rate, plus 16 channels with 120Hz sampling rate, plus 16 "dialog" channels, plus 16 digital data channels Used in bluray movies Fairly common bluetooth audio format

[comment]: # (!!!)