| 摘要 |
PURPOSE:To listen to a mixed speech from a television receiver and enable the same usage with an orchestral accompaniment set by mixing the speech inputted from a microphone with the speech outputted from video output equipment and outputting the mixed speech to the television receiver. CONSTITUTION:The speech mixing device 10 is connected between the audio output terminal 4 of video equipment and the audio input terminal 7 of the television receiver. For a stereophonic type, the device is connected to a terminal where an orchestral accompaniment is inputted. The speech mixing device 10 is fitted with a connection terminal 13 for a microphone and a microphone 11 is connected. The speech mixing device 10 is interposed between the video output equipment 1 and television receiver, so the existent video output equipment 1 and television receiver 2 are usable as they are. The speech mixing device 10 consists of at least a connection terminal 13 for the video output equipment 1, the microphone connection terminal 13, an amplifier which amplifies the speech of the microphone 11, a connection terminal 19 which mixes and outputs the speech of the video output equipment 1 and the speech of the microphone 11 to the television receiver 2, the variable resistor 14 and switch 16 of the amplifier, etc. |
