| 摘要 |
PROBLEM TO BE SOLVED: To provide an echo suppressing apparatus which does not incur an increase in the scale thereof, then, has low cost in a VoIP speech system and to provide an echo suppressing method. SOLUTION: The echo suppressing apparatus 10a6 is provided in a communication device which communicates audio signals with an opposite-side communication device over a network, and comprises: a delay time acquisition unit for acquiring a delay time of a communication path with the opposite-side communication device; and an echo suppression processing unit which starts echo suppression processing to suppress an echo signal included in an audio signal transmitted from the opposite-side communication device on the basis of the delay time. COPYRIGHT: (C)2007,JPO&INPIT
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