Title:
VOICE MIXING METHOD, MULTIPOINT CONFERENCE SERVER USING THE METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2008/026754
Kind Code:
A1
Abstract:
Provided is a voice mixing method capable of preventing generation of a noise in
a decoded voice when switching an encoder upon switching of a speaker. The voice
mixing method includes: a first step for selecting voice information from a plurality
of voice information; a second step for adding all the selected voice information;
a third step for acquiring a voice signal by adding a voice signal other than a voice
signal among the selected voice signals; a fourth step for encoding the voice
information obtained in the second step; a fifth step for encoding the voice signal
obtained in the third step; and a sixth step for copying the encoded information
obtained in the fourth step to the encoded information in the fifth step.
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Inventors:
ITO, Hironori (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 1088001, JP)
伊藤博紀 (〒01 東京都港区芝五丁目７番１号日本電気株式会社内 Tokyo, 1088001, JP)
伊藤博紀 (〒01 東京都港区芝五丁目７番１号日本電気株式会社内 Tokyo, 1088001, JP)
Application Number:
JP2007/067101
Publication Date:
March 06, 2008
Filing Date:
August 28, 2007
Export Citation:
Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 1088001, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 1088001, JP)
ITO, Hironori (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 1088001, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 1088001, JP)
ITO, Hironori (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 1088001, JP)
International Classes:
H04M3/56; G10L19/00
Attorney, Agent or Firm:
MATSUMOTO, Masao (36-10, Nishi-Ikebukuro 2-chomeToshima-ku, Tokyo 21, 1710021, JP)
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