AUDIO SIGNAL ADAPTER AND RECEIVER DEVICE AND AUDIO SIGNAL TRANSMISSION SYSTEM

摘要

An audio signal adapter and receiver device and an audio signal transmission system. The adapter device comprises: an audio port and an adapter-end port, where the audio port is used for connecting to an audio signal transmitter device and comprises a ground pin and at least one audio pin. The adapter-end port is used for connecting to the audio signal receiver device and comprises an audio signal pin and a reference signal pin. The audio pin of the audio port is used for receiving an audio signal outputted by the audio signal transmitter device and for connecting to the audio signal pin of the adapter-end port. The ground pin of the audio port and the reference signal pin of the adapter-end port are connected. The audio signal pin and the reference signal pin are used for outputting to the audio signal receiver device connected thereto an audio signal.