| 摘要 |
<p>A sound communication device comprises a control CPU to output a speaker amplification value corresponding to the speaker volume adjusted by a terminal user using a volume adjusting means and an echo processor to reduce the echo mixed into a transmitted input signal inputted through a microphone in the output sound outputted from the speaker which is obtained by demodulating and sound-decoding the received input signal and amplifying said signal according to the speaker amplification value outputted from the control CPU. Accordingly, it is possible to realize proper echo elimination.</p> |
