Wide band sub-band speech coding using nonlinear prediction
Sound
2022-03-25 v1 Audio and Speech Processing
Abstract
We compare a wide band sub-band speech coder using ADPCM schemes with linear prediction against the same scheme with nonlinear prediction based on multi-layer perceptrons. Exhaustive results are presented in each band, and the full signal. Our proposed scheme with non-linear neural net prediction outperforms the linear scheme up to 2 dB in SEGSNR. In addition, we propose a simple method based on a non-linearity in order to obtain a synthetic wide band signal from a narrow band signal.
Keywords
Cite
@article{arxiv.2203.12896,
title = {Wide band sub-band speech coding using nonlinear prediction},
author = {Marcos Faundez-Zanuy},
journal= {arXiv preprint arXiv:2203.12896},
year = {2022}
}
Comments
4 pages, published in 2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03) Hong Kong, China