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| Presentation | 2006-09-14 11:10 Effect of Receiver Buffering Control on User-Level QoS of a Multipoint-to-Multipoint IP TV Conference System Yuya Yamada, Yoshihiro Ito, Shuji Tasaka (NIT)  CQ2006-39 OIS2006-26 IE2006-41 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This report studies the subjective quality of a multipoint-to-multipoint IP TV conference system. In multipoint-to-multipoint communications, there are two kinds of subjective quality for a user. One is the quality of the communication with every other conferee; we refer to the quality as individual subjective quality to a conferee. The other is the quality of the system, which is referred to as overall subjective quality for the user. The overall subjective quality can be affected by the individual one to each conferee and inter-destination synchronization quality. The inter-destination synchronization quality is expressed in terms of the difference in output time of audio and video between conferee's terminals. Major factors which can damage the individual subjective quality are MU delay, media synchronization quality and the inter-destination synchronization quality. Buffering control at receiver terminals is effective in improving the media synchronization quality. However, setting the buffering time at each terminal independently leads to the degradation of the inter-destination synchronization quality. Therefore, it is necessary to take account of the buffering control when we assess the subjective quality. We quantitatively clarify factors which affect the two kinds of subjective quality when the buffering control is applied. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | User-level QoS / Multipoint-to-multipoint communication / IP TV conference system / Buffering control / Inter-destination synchronization quality / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 239, CQ2006-39, pp. 25-30, Sept. 2006. | |
| Paper # | CQ2006-39 | |
| Date of Issue | 2006-09-07 (CQ, OIS, IE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | CQ2006-39 OIS2006-26 IE2006-41 |
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| Conference Information | |
| Committee | IE CQ LOIS ITE-ME IEE-CMN |
| Conference Date | 2006-09-14 - 2006-09-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2006-09-IE-CQ-OIS-ITE-ME-IEE-CMN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of Receiver Buffering Control on User-Level QoS of a Multipoint-to-Multipoint IP TV Conference System |
| Sub Title (in English) | |
| Keyword(1) | User-level QoS |
| Keyword(2) | Multipoint-to-multipoint communication |
| Keyword(3) | IP TV conference system |
| Keyword(4) | Buffering control |
| Keyword(5) | Inter-destination synchronization quality |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuya Yamada |
| 1st Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 2nd Author's Name | Yoshihiro Ito |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 3rd Author's Name | Shuji Tasaka |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NIT) |
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| Speaker | Author-1 |
| Date Time | 2006-09-14 11:10:00 |
| Presentation Time | 25 minutes |
| Registration for | CQ |
| Paper # | CQ2006-39, OIS2006-26, IE2006-41 |
| Volume (vol) | vol.106 |
| Number (no) | no.239(CQ), no.241(OIS), no.243(IE) |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2006-09-07 (CQ, OIS, IE) |
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