| 摘要 |
PROBLEM TO BE SOLVED: To reduce the influence of a communication voice in communication, produced by another communication device.SOLUTION: Communication devices (2, 204) receive voice signals in communication of the other communication device (14, mobile telephone 152 and communication devices 2-2, 204-2) by communication units (6, short range radio communication unit 129 and short range radio communication unit 206) through radio communication. By the use of the voice signals received by the communication units, signal cancellation units (10, voice phase adjustment function 131 and voice phase adjustment unit 210) cancel voice signals on the other communication device side that are included in the output signals of a microphone (12). |
