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AAC Format Specification International Standard specification for Advanced Audio Coding (AAC) technology.	Adaptive Transform Acoustic Coding for MiniDisc ATRAC is an audio coding system based on psychoacoustic principles. The input signal is divided into three subbands which are then transformed into the frequency domain using a variable block length.
Audio | MPEG MPEG-1 Audio MPEG doc#: N7703Date: October 2005Authors: B. Grill, S. Quackenbush MPEG-1 Layer I or II Audio is a generic subband coder operating at bit rates in the range of 32 to 448 kb/s and supporting sampling frequencies of 32, 44.1 and 48 kHz.	Audio file format - Wikipedia An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the ...Read more
Audio Interchange File Format Library of Congress technical documentation on AIFF audio data structures.
Dolby Digital Technologies Creator of multi-channel surround sound and digital audio formatting standards.
DTS Audio Standards Immersive audio format technologies provider for consumer electronics and cinemas.
First Principles investigating lossy and lossless compression of audio, including MP3, AAC, and TwinVQ
FLAC Official Site Free Lossless Audio Codec format specification and reference implementation source code.
Matroska Audio (MKA) Technical specifications for the extensible open standard audio container format.	MIDI Association Specifications Official standards documents for the Musical Instrument Digital Interface format.
Opus Codec Project Highly versatile open interactive audio codec designed for internet streaming and voice.	Xiph.Org Foundation Non-profit corporation dedicated to open, free multimedia formats and codecs like Ogg and FLAC.