Title :
N-dimensional nonlinear prediction with MLP
Author :
Faundez-Zanuy, Marcos
Author_Institution :
Escola Univ. Politec. de Mataro, Univ. Politec. de Catalunya (UPC), Mataro, Spain
Abstract :
In this paper we propose a Non-Linear Predictive Vector quantizer (PVQ) for speech coding, based on Multi-Layer Perceptrons. With this scheme we have improved the results of our previous ADPCM coder with nonlinear prediction, and we have reduced the bit rate up to 1 bit per sample.
Keywords :
adaptive modulation; differential pulse code modulation; multilayer perceptrons; prediction theory; speech coding; ADPCM coder; MLP; PVQ; adaptive differential pulse-code modulation; bit rate; multilayer perceptron; n-dimensional nonlinear prediction; nonlinear predictive vector quantizer; speech coding; Abstracts; Artificial neural networks; Quantization (signal);
Conference_Titel :
Signal Processing Conference, 2002 11th European
Conference_Location :
Toulouse
