Speech Quality of Conversational Packetized Voice Communications

Makoto AOKI; Fumiaki ISHINO; Fukuya ISHINO

Speech Quality of Conversational Packetized Voice Communications

Makoto AOKI, Fumiaki ISHINO, Fukuya ISHINO

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This paper describes experiments for evaluating the speech quality of packetized voice communications. The experimental conversations are performed through experimental packetized voice communications equipment, which provides packet transmission delays and packet losses. Three experimental results are apparent: packet losses degrade speech quality much more than packet transmission delays in PCM, packet delays affect speech quality more than packet losses in ADM, and inserting the last received codes for lost packets reduces the degradation of speech quality in PCM.

Publication: IEICE TRANSACTIONS on transactions Vol.E69-E No.2 pp.107-112

Publication Date: 1986/02/25

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Type of Manuscript: PAPER

Category: Switching Systems and Communication Processing

Authors

Makoto AOKI
Fumiaki ISHINO
Fukuya ISHINO

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Makoto AOKI, Fumiaki ISHINO, Fukuya ISHINO, "Speech Quality of Conversational Packetized Voice Communications" in IEICE TRANSACTIONS on transactions, vol. E69-E, no. 2, pp. 107-112, February 1986, doi: .
Abstract: This paper describes experiments for evaluating the speech quality of packetized voice communications. The experimental conversations are performed through experimental packetized voice communications equipment, which provides packet transmission delays and packet losses. Three experimental results are apparent: packet losses degrade speech quality much more than packet transmission delays in PCM, packet delays affect speech quality more than packet losses in ADM, and inserting the last received codes for lost packets reduces the degradation of speech quality in PCM.
URL: https://global.ieice.org/en_transactions/transactions/10.1587/e69-e_2_107/_p

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@ARTICLE{e69-e_2_107,
author={Makoto AOKI, Fumiaki ISHINO, Fukuya ISHINO, },
journal={IEICE TRANSACTIONS on transactions},
title={Speech Quality of Conversational Packetized Voice Communications},
year={1986},
volume={E69-E},
number={2},
pages={107-112},
abstract={This paper describes experiments for evaluating the speech quality of packetized voice communications. The experimental conversations are performed through experimental packetized voice communications equipment, which provides packet transmission delays and packet losses. Three experimental results are apparent: packet losses degrade speech quality much more than packet transmission delays in PCM, packet delays affect speech quality more than packet losses in ADM, and inserting the last received codes for lost packets reduces the degradation of speech quality in PCM.},
keywords={},
doi={},
ISSN={},
month={February},}

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TY - JOUR
TI - Speech Quality of Conversational Packetized Voice Communications
T2 - IEICE TRANSACTIONS on transactions
SP - 107
EP - 112
AU - Makoto AOKI
AU - Fumiaki ISHINO
AU - Fukuya ISHINO
PY - 1986
DO -
JO - IEICE TRANSACTIONS on transactions
SN -
VL - E69-E
IS - 2
JA - IEICE TRANSACTIONS on transactions
Y1 - February 1986
AB - This paper describes experiments for evaluating the speech quality of packetized voice communications. The experimental conversations are performed through experimental packetized voice communications equipment, which provides packet transmission delays and packet losses. Three experimental results are apparent: packet losses degrade speech quality much more than packet transmission delays in PCM, packet delays affect speech quality more than packet losses in ADM, and inserting the last received codes for lost packets reduces the degradation of speech quality in PCM.
ER -