| 摘要 |
PROBLEM TO BE SOLVED: To provide a voice transmission system attaining multiple audio channel while reducing cost. SOLUTION: In the voice transmission system, since a speech processing section 14 of a master unit 1 being a principal unit collectively processing (echo cancel processing and voice switch processing or the like) voice signals, it is not required to mount a signal processing means for carrying out the echo cancel processing and the voice switch processing or the like to a voice terminal 2, so that the cost reduction is attained. Further, multiple audio channel can be attained by transmitting voice signals subjected to time division multiplexing. COPYRIGHT: (C)2007,JPO&INPIT
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