Direct processing of MPEG audio using companding and BFP techniques
Christos Vezyrtzis; Aaron Klein; Daniel P. W. Ellis; Yannis P. Tsividis
- Direct processing of MPEG audio using companding and BFP techniques
Ellis, Daniel P. W.
Tsividis, Yannis P.
- Electrical Engineering
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- Book/Journal Title:
- 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing: Proceedings: May 22-27, 2011 Prague Congress Center, Prague, Czech Republic
- Publisher Location:
- Piscataway, N.J.
- We present techniques for processing MPEG-audio encoded signals during the decoding process, using efficient fixed-point arithmetic operations. A large signal-to-quantization-noise-ratio is achieved over a large range of input levels. By taking advantage of MPEG audio built-in properties, quantization distortion at the outputs of our systems is kept largely inaudible, even though only low-resolution fixed-point operations are used in the processing.
- Electrical engineering
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