Audio output device connectable with plurality of devices and method of controlling the same

摘要

In a television device (audio output device), audio output performance information of the television device is pre-stored in an EDID-ROM. When an AV amplifier is connected to the television device, a control unit rewrites“2ch”audio output performance information of the television device stored in the EDID-ROM of an HDMI port which is different from the HDMI port to which the AV amplifier is connected, to“5.1ch”audio output performance information of the AV amplifier.