### AAC

<sup><sup>**A**dvanced **A**udio **C**odec</sup></sup>

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- 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

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##### Music

<audio controls src="media/samples/musicaac.m4a">AAC Music Sample</audio>

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"The Show Must Be Go" by Kevin MacLeod

Licensed under [CC-BY 3.0](https://creativecommons.org/licenses/by/3.0/deed.en)
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##### Voice

<audio controls src="media/samples/voiceaac.m4a">AAC Voice Sample</audio>

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

Read by Moira Fogarty
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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

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