| 发明名称 |
COMMUNICATION QUALITY ESTIMATION METHOD AND APPARATUS, AND PROGRAM |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily estimate total quality at a present spot from quality factor values relating to video/audio signals transmitted between spots. <P>SOLUTION: On the basis of correspondence relation between quality factor values relating to video/audio signals transmitted between arbitrary two spots and inter-spot quality for the video/audio signals, an inter-spot quality estimation means 11A estimates the inter-spot quality corresponding to quality factor values obtained for video/audio signals transmitted between the present spot and each of the other spots in multi-spot communication, and on the basis of a correspondence relation between each of the inter-spot quality for each of video/audio signals transmitted between the present spot and each of the other spots and the total quality for each of video/audio signals displayed and reproduced at the present spot, a total quality estimation means 11B estimates the total quality corresponding to the inter-spot quality obtained in the inter-spot quality estimation means 11A. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
| 申请公布号 |
JP2006203844(A) |
申请公布日期 |
2006.08.03 |
| 申请号 |
JP20050138485 |
申请日期 |
2005.05.11 |
| 申请人 |
NIPPON TELEGR & TELEPH CORP <NTT> |
发明人 |
KURITA TAKAAKI;ROKUTO YUICHI |
| 分类号 |
H04M3/56;H04L12/70;H04M11/06;H04N17/00 |
主分类号 |
H04M3/56 |
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