Patent ID: 9672842
Date: 2017-06-06
CPC Classifications: G10L,H04R

Claim:
1. A terminal, comprising: a communication unit configured to communicate with a hands-free device and an audio device provided in a place in which speech is produced; and a control unit configured to pair with the hands-free device using a hands-free profile (HFP), pair with the audio device using an advanced audio distribution profile (A2DP) and a file transfer profile (FTP), and perform control such that: i) when a filter generation mode is selected, a test signal is generated, ii) when a microphone signal transmitted from the hands-free device is received through the HFP, the received microphone signal and the generated test signal are mixed, and the mixed signal is transmitted to the audio device using the A2DP, and iii) when a feedback signal transmitted from the hands-free device is received, a sound feedback removing filter is generated based on the received feedback signal, and the generated sound feedback removing filter is transmitted to the audio device using the FTP.