In this paper, we present a restricted temporal decomposition method for LSF parameters. The event vectors estimated by this method preserve the ordering property of LSF parameters so that they can be quantized efficiently. Experimental results show that interpolated LSF parameters can be quantized transparently at the rate of 753bps. Also we design a LPC vocoder at 996bps as an application of the proposed method. According to a listening test, the reconstructed speech of our vocoder has reasonable quality comparing with 2400bps LPC10e.
Cite as: Kim, S.J., Lee, S., Han, W.J., Oh, Y.H. (1998) Efficient quantization of LSF parameters based on temporal decomposition. Proc. 5th International Conference on Spoken Language Processing (ICSLP 1998), paper 0469, doi: 10.21437/ICSLP.1998-387
@inproceedings{kim98c_icslp,
author={Sung Joo Kim and Sangho Lee and Woo Jin Han and Yung Hwan Oh},
title={{Efficient quantization of LSF parameters based on temporal decomposition}},
year=1998,
booktitle={Proc. 5th International Conference on Spoken Language Processing (ICSLP 1998)},
pages={paper 0469},
doi={10.21437/ICSLP.1998-387}
}