Patent ID: 8244182

Claim:
An electronic device, the electronic device comprising a (frequency modulation) FM chip, a signal processing unit, and a Bluetooth chip, the signal processing unit comprising: a receiving module operable to receive analog audio signals from the FM chip, wherein the analog audio signals are converted from FM signals received by the FM chip from a broadcast station; an analog/digital (AD) converting module operable to convert the analog audio signals into digital audio signals; a recording and playing module operable to record audio files according to the digital audio signals and play the audio files synchronously to generate audio data by registering the digital audio signals into a first data buffer and a second first data buffer alternately and repeatedly, playing the audio files recorded in the first data buffer or the second data buffer to generate the audio data; and an outputting module operable to output the audio data to the Bluetooth chip, the Bluetooth chip in wireless communication with a Bluetooth device, so as to use the Bluetooth device to listen to the FM radio.