The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Dans cette Lettre, une méthode de suppression de l'écho acoustique résiduel est proposée pour améliorer la qualité vocale des communications mains libres dans un environnement automobile. Le signal d'écho est normalement une voix humaine présentant des caractéristiques harmoniques dans un environnement de communication mains libres. L'algorithme proposé estime le signal d'écho résiduel en mettant l'accent sur ses composantes harmoniques. L'écho résiduel estimé est utilisé pour obtenir les informations de rapport signal sur interférence (SIR) à la sortie de l'annuleur d'écho acoustique. Ensuite, le post-filtre Wiener basé sur SIR est construit pour réduire à la fois l'écho et le bruit résiduels. Les résultats expérimentaux confirment que l'algorithme proposé est supérieur à l'algorithme de suppression d'écho résiduel conventionnel en termes d'amélioration de la perte de retour d'écho (ERLE) et de rapport signal/bruit segmentaire (SEGSNR).
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
Copier
Minwoo LEE, Yoonjae LEE, Kihyeon KIM, Hanseok KO, "Harmonic Components Based Post-Filter Design for Residual Echo Suppression" in IEICE TRANSACTIONS on Fundamentals,
vol. E93-A, no. 1, pp. 320-323, January 2010, doi: 10.1587/transfun.E93.A.320.
Abstract: In this Letter, a residual acoustic echo suppression method is proposed to enhance the speech quality of hands-free communication in an automobile environment. The echo signal is normally a human voice with harmonic characteristics in a hands-free communication environment. The proposed algorithm estimates the residual echo signal by emphasizing its harmonic components. The estimated residual echo is used to obtain the signal-to-interference ratio (SIR) information at the acoustic echo canceller output. Then, the SIR based Wiener post-filter is constructed to reduce both the residual echo and noise. The experimental results confirm that the proposed algorithm is superior to the conventional residual echo suppression algorithm in terms of the echo return loss enhancement (ERLE) and the segmental signal-to-noise ratio (SEGSNR).
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E93.A.320/_p
Copier
@ARTICLE{e93-a_1_320,
author={Minwoo LEE, Yoonjae LEE, Kihyeon KIM, Hanseok KO, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Harmonic Components Based Post-Filter Design for Residual Echo Suppression},
year={2010},
volume={E93-A},
number={1},
pages={320-323},
abstract={In this Letter, a residual acoustic echo suppression method is proposed to enhance the speech quality of hands-free communication in an automobile environment. The echo signal is normally a human voice with harmonic characteristics in a hands-free communication environment. The proposed algorithm estimates the residual echo signal by emphasizing its harmonic components. The estimated residual echo is used to obtain the signal-to-interference ratio (SIR) information at the acoustic echo canceller output. Then, the SIR based Wiener post-filter is constructed to reduce both the residual echo and noise. The experimental results confirm that the proposed algorithm is superior to the conventional residual echo suppression algorithm in terms of the echo return loss enhancement (ERLE) and the segmental signal-to-noise ratio (SEGSNR).},
keywords={},
doi={10.1587/transfun.E93.A.320},
ISSN={1745-1337},
month={January},}
Copier
TY - JOUR
TI - Harmonic Components Based Post-Filter Design for Residual Echo Suppression
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 320
EP - 323
AU - Minwoo LEE
AU - Yoonjae LEE
AU - Kihyeon KIM
AU - Hanseok KO
PY - 2010
DO - 10.1587/transfun.E93.A.320
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E93-A
IS - 1
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - January 2010
AB - In this Letter, a residual acoustic echo suppression method is proposed to enhance the speech quality of hands-free communication in an automobile environment. The echo signal is normally a human voice with harmonic characteristics in a hands-free communication environment. The proposed algorithm estimates the residual echo signal by emphasizing its harmonic components. The estimated residual echo is used to obtain the signal-to-interference ratio (SIR) information at the acoustic echo canceller output. Then, the SIR based Wiener post-filter is constructed to reduce both the residual echo and noise. The experimental results confirm that the proposed algorithm is superior to the conventional residual echo suppression algorithm in terms of the echo return loss enhancement (ERLE) and the segmental signal-to-noise ratio (SEGSNR).
ER -