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    • 3. 发明申请
    • Speech communication apparatus
    • 语音通信装置
    • US20060245583A1
    • 2006-11-02
    • US10545587
    • 2004-07-01
    • Koichiro MizushimaMinoru Matsui
    • Koichiro MizushimaMinoru Matsui
    • H04M9/08
    • H04M9/082
    • [PROBLEM]It is an object of the present invention to provide a voice communication apparatus which can prevent its echo suppressing characteristic from being deteriorated in response to the varied relative location of the microphone unit with respect to the speaker unit, and maintain the quality of the near-end signal to be transmitted to the far-end speaker. [MEANS FOR SOLVING]Herein disclosed is a voice communication apparatus to be provided with a current value detecting unit 131 for detecting a current parameter value related to the relative location of either the first near-end voice converting unit 121 or the second near-end voice converting unit 122 with respect to the far-end signal converting unit 112, each of the first and second near-end signal delay sections 133 and 134 being operative to delay the near-end signal on the basis of the current parameter value detected by the current value detecting unit 131, and the first outputting section 135 being operative to output a signal indicative of the signal difference between the near-end signals respectively delayed by the first and second near-end signal delay sections 133 and 134.
    • 本发明的一个目的是提供一种能够防止其回声抑制特性响应于麦克风单元相对于扬声器单元的变化的相对位置而劣化的语音通信设备,并且保持质量 要发送到远端扬声器的近端信号。 本发明提供一种语音通信装置,其具有电流值检测单元131,用于检测与第一近端语音转换单元121或第二近端的相对位置相关的当前参数值 语音转换单元122相对于远端信号转换单元112,第一和第二近端信号延迟部133和134中的每一个可操作以基于由当前参数值检测到的当前参数值来延迟近端信号 当前值检测单元131和第一输出单元135可操作以输出表示由第一和第二近端信号延迟单元133和134延迟的近端信号之间的信号差的信号。