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Eighth IEEE International Symposium on Multimedia (ISM'06)
A Fractal and Wavelet-Based Approach for Audio Coding.
San Diego, CA
December 11-December 13
ISBN: 0-7695-2746-9
Rodrigo Capobianco Guido, University of Sao Paulo, Brazil
Lucimar Sasso Vieira, University of Sao Paulo, Brazil
Sylvio Barbon Junior, University of Sao Paulo, Brazil
Fabricio Lopes Sanchez, University of Sao Paulo, Brazil
Marcio Borges Alonso Guilherme, University of Sao Paulo, Brazil
Kim Inocencio Cesar Sergio, University of Sao Paulo, Brazil
Thais Lorasqui Scarpa, University of Sao Paulo, Brazil
Everthon Silva Fonseca, University of Sao Paulo, Brazil
Jose Carlos Pereira, University of Sao Paulo, Brazil
Mauricio Monteiro, University of Sao Paulo, Brazil
Towards an optimization-oriented approach for audio coding, this paper presents improved rate-distortion and perceptual strategies for bit allocation. The algorithm is based on best basis wavelet-packet trees and fractal dimension calculation. Transparent coding of high quality audio, signals sampled at 44.1 KHz using 16 bits PCM, is effectively achieved at low bit rates. Real time working of the decoder is confirmed, reassuring the usability of the proposed technique.
Citation:
Rodrigo Capobianco Guido, Lucimar Sasso Vieira, Sylvio Barbon Junior, Fabricio Lopes Sanchez, Marcio Borges Alonso Guilherme, Kim Inocencio Cesar Sergio, Thais Lorasqui Scarpa, Everthon Silva Fonseca, Jose Carlos Pereira, Mauricio Monteiro, "A Fractal and Wavelet-Based Approach for Audio Coding.," ism, pp.253-256, Eighth IEEE International Symposium on Multimedia (ISM'06), 2006
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