Advanced Audio Coding

Advanced Audio Coding, or simply AAC, is an audio compression and encoding technique that achieves better sound quality than MP3. AAC is the default audio format for YouTube, iPhone, iPod, iPad, Nintendo DSi, iTunes, DivX Plus Web Player and Playstation 3.

Advantages

Higher audio quality at lower bit rates (128, 160 kbps)
Improved compression provides higher-quality results with smaller file sizes
Support for multichannel audio
Higher resolution audio, yielding sampling rates up to 96 kHz
Improved decoding efficiency, requiring less processing power for decode
Up to 48 channels

Disadvantages

Not such popular as MP3
Not compatibile with all devices on the market

Components

MPEG-2 Standard Part 7
MPEG-4 Standard Part 4
ACC Low Complexity profie
Scalable Sampling Rate profile

Development tools

Itunes
Nero Free AAC Converter Code

Versions

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