| 摘要 |
<p>An intercommunication device is provided with: an estimation unit (15) that estimates a change in transmission voice transmitted to an opposite station in an intercommunication path between one's own station and the opposite station, and that reflects the change in the transmission voice; and a reception voice echo canceller (13) that, on the basis of the transmission voice inputted from the estimation unit (15), erases an echo superposed on the reception voice from the opposite station due to the change in the transmission voice in the intercommunication path.</p> |
