| 摘要 |
PROBLEM TO BE SOLVED: To obtain an interphone having a function for reproducing a voice of a telephone conversation with a partner's telephone conversation apparatus or a voice recording a message to be listened by the partner's telephone conversation apparatus in which a sound volume can be brought into an appropriate level at the time of reproduction. SOLUTION: A reproducing section 20 comprises a recording signal processing section 21 for reproducing a telephone conversation signal stored at a data storage section 30, a first sound volume regulating section 22 for outputting a digital telephone conversation signal reproduced at the recording signal processing section 21 to a transmission signal path while regulating the sound volume, and a second sound volume regulating section 23 for outputting a digital telephone conversation signal reproduced at the recording signal processing section 21 to a reception signal path while regulating the sound volume. A sound volume of a voice outputted from the speaker of the partner's telephone conversation apparatus or its own speaker 2 (reception signal and transmission signal) can be brought into an appropriate level by regulating sound volumes of the reception signal and the transmission signal at the first and the second sound volume regulating sections 22 and 23. COPYRIGHT: (C)2006,JPO&NCIPI
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