| Presentation | 2005-09-16 A study on quantifying listening quality in an opinion model for wideband speech communication services Akira TAKAHASHI, Atsuko KURASHIMA, Hitoshi AOKI, Hideaki YOSHINO, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Recently, it seems that video-telephony services and telephony in network-connected vehicles will spread very rapidly. From the viewpoint of enhancing naturalness and intelligibility of speech communications, wideband speech is extremely important. For providing high quality services, it is indispensable to develop quality design and management methodologies for wideband telephony as well as for conventional telephone services. To do this, we need to develop quality assessment methodologies which appropriately reflect users' opinion about QoS. This paper reports our recent study on characterizing quality aspects of wideband speech codecs from the viewpoint of listening quality, which is one of the quality factors in comprehensive quality assessment. The results shown in this paper is very important for extending the R-value to wideband speech communications scenarios, which will be a quality index for wideband IP telephony services. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Wideband / IP Telephony / Subjective Quality / MOS / R-value / E-model |
| Paper # | CQ2005-62,OIS2005-47,IE2005-55 |
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| Conference Information | |
| Committee | CQ |
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| Conference Date | 2005/9/9(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Communication Quality (CQ) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on quantifying listening quality in an opinion model for wideband speech communication services |
| Sub Title (in English) | |
| Keyword(1) | Wideband |
| Keyword(2) | IP Telephony |
| Keyword(3) | Subjective Quality |
| Keyword(4) | MOS |
| Keyword(5) | R-value |
| Keyword(6) | E-model |
| 1st Author's Name | Akira TAKAHASHI |
| 1st Author's Affiliation | NTT Service Integration Laboratories() |
| 2nd Author's Name | Atsuko KURASHIMA |
| 2nd Author's Affiliation | NTT Service Integration Laboratories |
| 3rd Author's Name | Hitoshi AOKI |
| 3rd Author's Affiliation | NTT Service Integration Laboratories |
| 4th Author's Name | Hideaki YOSHINO |
| 4th Author's Affiliation | NTT Service Integration Laboratories |
| Date | 2005-09-16 |
| Paper # | CQ2005-62,OIS2005-47,IE2005-55 |
| Volume (vol) | vol.105 |
| Number (no) | 282 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |