Advanced Audio Coding


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Advanced Audio Coding

(audio)
(AAC) A successor to MP3, allowing lower bit rates and more stable quality.

See MPEG-2 AAC Low Profile and MPEG-4 AAC Main Profile.
References in periodicals archive ?
of Southern California) present a senior undergraduate or graduate level textbook on advanced audio coding techniques.
The product line-up consists of the uPD9993 chip, which offers 64 polyphonic tones and is the first LSI device to support MP3 and advanced audio coding (AAC) playback; the uPD9996 chip for low-end monaural (single-speaker) mobile phones, which is pin-compatible with the NEC Electronics uPD9990/1/2 series of melody solutions; and the uPD9995 chip, a smallest-in-class monaural chip first introduced in September 2003.
The new program circumvents iTunes' anti-copying program, MPEG-4 Advanced Audio Coding, by legally opening and playing a music file, but then, essentially, draining the music into a new and parallel file.
MBSAT's payload will deliver CD-quality audio and TV-quality video, in addition to various types of data, using code division multiplexing (CDM) MPEG-4 for video and advanced audio coding (AAC) for audio.
Its new Advanced Audio Coding (AAC) streaming technology is more efficient than MP3, requiring about 30% less bandwidth, and it delivers broadcast quality -- meaning it's virtually indistinguishable from the source signal.

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