| 摘要 |
Disclosed are an audio signal adapter device and an audio signal transmission system. The system comprises the audio signal adapter device and an audio signal receiver device. The audio signal adapter device comprises a microphone, an amplifier unit, and a USB adapter interface. The microphone is used for receiving an audio signal and outputting same via an audio pin. The amplifier comprises an audio input pin and an audio output pin and is used for amplifying the audio signal and outputting same via the audio output pin. The USB adapter interface is connected to the audio signal receiver device and comprises an audio signal pin. The audio pin of the microphone is connected to the audio input pin of the amplifier. The audio output pin of the amplifier is connected to the audio signal pin of the USB adapter interface. The audio signal receiver device comprises a USB interface and an audio receiver module. The USB interface comprises an audio signal pin. The audio receiver module is connected to the audio signal pin of the USB interface, and receives the audio signal via the audio signal pin of the USB interface. |
