Harmonic Model Based Excitation Enhancement for Low-Bit-Rate Speech Coding

Hong Kook KIM; Mi Suk LEE; Chul Hong KWON

Harmonic Model Based Excitation Enhancement for Low-Bit-Rate Speech Coding

Hong Kook KIM, Mi Suk LEE, Chul Hong KWON

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A new excitation enhancement technique based on a harmonic model is proposed in this paper to improve the speech quality of low-bit-rate speech coders. This technique is employed only in the decoding process of speech coders and improves high-frequency components of excitation. We develop the procedure of harmonic model parameters estimation and harmonic generation and apply the technique to a current state-of-art low bit rate speech coder. Experiments on spectrum reading and spectrum distortion measurement show that the proposed excitation enhancement technique improves speech quality.

Publication: IEICE TRANSACTIONS on Information Vol.E87-D No.7 pp.1974-1977

Publication Date: 2004/07/01

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Type of Manuscript: LETTER

Category: Speech and Hearing

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Hong Kook KIM, Mi Suk LEE, Chul Hong KWON, "Harmonic Model Based Excitation Enhancement for Low-Bit-Rate Speech Coding" in IEICE TRANSACTIONS on Information, vol. E87-D, no. 7, pp. 1974-1977, July 2004, doi: .
Abstract: A new excitation enhancement technique based on a harmonic model is proposed in this paper to improve the speech quality of low-bit-rate speech coders. This technique is employed only in the decoding process of speech coders and improves high-frequency components of excitation. We develop the procedure of harmonic model parameters estimation and harmonic generation and apply the technique to a current state-of-art low bit rate speech coder. Experiments on spectrum reading and spectrum distortion measurement show that the proposed excitation enhancement technique improves speech quality.
URL: https://globals.ieice.org/en_transactions/information/10.1587/e87-d_7_1974/_p

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@ARTICLE{e87-d_7_1974,
author={Hong Kook KIM, Mi Suk LEE, Chul Hong KWON, },
journal={IEICE TRANSACTIONS on Information},
title={Harmonic Model Based Excitation Enhancement for Low-Bit-Rate Speech Coding},
year={2004},
volume={E87-D},
number={7},
pages={1974-1977},
abstract={A new excitation enhancement technique based on a harmonic model is proposed in this paper to improve the speech quality of low-bit-rate speech coders. This technique is employed only in the decoding process of speech coders and improves high-frequency components of excitation. We develop the procedure of harmonic model parameters estimation and harmonic generation and apply the technique to a current state-of-art low bit rate speech coder. Experiments on spectrum reading and spectrum distortion measurement show that the proposed excitation enhancement technique improves speech quality.},
keywords={},
doi={},
ISSN={},
month={July},}

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TY - JOUR
TI - Harmonic Model Based Excitation Enhancement for Low-Bit-Rate Speech Coding
T2 - IEICE TRANSACTIONS on Information
SP - 1974
EP - 1977
AU - Hong Kook KIM
AU - Mi Suk LEE
AU - Chul Hong KWON
PY - 2004
DO -
JO - IEICE TRANSACTIONS on Information
SN -
VL - E87-D
IS - 7
JA - IEICE TRANSACTIONS on Information
Y1 - July 2004
AB - A new excitation enhancement technique based on a harmonic model is proposed in this paper to improve the speech quality of low-bit-rate speech coders. This technique is employed only in the decoding process of speech coders and improves high-frequency components of excitation. We develop the procedure of harmonic model parameters estimation and harmonic generation and apply the technique to a current state-of-art low bit rate speech coder. Experiments on spectrum reading and spectrum distortion measurement show that the proposed excitation enhancement technique improves speech quality.
ER -