Patent ID: 8351597
Filing Date: 2013-01-08
Classification: H04M

Abstract:
1. An electronic device outputting received voice from a voice output unit and inputting transmitted voice through a voice input unit, comprising: a level adjusting unit that receives an input signal, and adjusts a level of volume of the received voice by adjusting a level of the input signal according to a gain setting value; an echo canceller unit that receives the input signal, generates a pseudo echo signal for the received voice in response to the input signal, and subtracts the pseudo echo signal from the transmitted voice to suppress an echo component in the transmitted voice; a memory unit that stores the gain setting value and an echo suppression amount which corresponds to the gain setting value and is an amount of suppressing the echo component by the echo canceller; and a controlling unit that changes the echo suppression amount in accordance with an adjusted amount of the level of volume by the level adjusting unit, and changes an amount subtracted from the transmitted voice in accordance with the echo suppression amount.