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MPEG-4 parametric audio coding and its implementation

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2 Author(s)
Heng-Ming Tai ; Dept. of Electr. Eng., Tulsa Univ., OK ; Shufei Jiang

Audio coding at very low bit rates requires very efficient evaluation of characteristics of the signal sources and of perceptual properties of the human ear. MPEG-4 aims to provide an audio-visual coding standard for very low bit rate channel, such as those found in Internet, mobile, and multimedia applications. MPEG-4 audio coding schemes consist of the parametric, CELP and time/frequency coding algorithms. This paper describes the parametric audio coding scheme and its implementation on a DSP

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Industrial Electronics Society, 1999. IECON '99 Proceedings. The 25th Annual Conference of the IEEE  (Volume:2 )

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