Audio transmission system and audio processing method thereof

An audio transmission system, used for establishing a connection with an electronic device and having a telephony usage mode, a music usage mode, and an ambient sound usage mode;

• the audio transmission system comprising:
• a wireless communication module, for receiving a wireless communication signal or a wireless audio signal from the electronic device, wherein the wireless communication signal is used to execute the telephony usage mode and the wireless audio signal is used to execute the music usage mode;
• a sound receiving module, for receiving an ambient sound signal, wherein the ambient sound signal is used to execute the ambient sound usage mode;
• a memory module, for storing a first parameter, a second parameter, and a third parameter;
• a sound adjustment module, electrically connected to the wireless communication module, the sound receiving module, and the memory module, for adjusting the wireless communication signal, the wireless audio signal, or the ambient sound signal which is received according to the first parameter, the second parameter, or the third parameter respectively so as to generate an adjusted sound signal;
• and
• an output module, electrically connected to the sound adjustment module, for outputting the adjusted sound signal.