COMMUNICATION DEVICE, ECHO CANCEL PERFORMANCE EVALUATION METHOD AND POSITIONAL RELATIONSHIP PROPRIETY NOTIFICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a conference device capable of objectively determining whether or not external voice equipment is fit to an apparatus in regard to voice quality.;SOLUTION: The conference device includes a built-in microphone and a built-in speaker, and volume level detection means for: outputting a test voice from the built-in speaker when an external microphone is connected to detect a volume level of the output test voice data after being input from the external microphone; outputting a test voice from an external speaker when the external speaker is connected to detect a volume level of the output test voice data after being input from the built-in microphone; outputting a test voice from the external speaker when the external microphone and the external speaker are connected to detect a volume level of the output test voice data after being input from the external microphone; and outputting a test voice from an external microphone speaker when the external microphone speaker is connected to detect a volume level of the output test voice data after being input from the external microphone speaker.;COPYRIGHT: (C)2014,JPO&INPIT