There is noise, skipping, or distorted sound during USB playback.

  • Turn off the system and reconnect the USB device, then turn on the system.

  • The music data itself contains noise, or the sound is distorted. Noise may have entered during the transfer process. Delete the file, and try transfer again.

  • The bit rate used in encoding an audio file was low. Send an audio file with higher bit rate to the USB device.