Quote Originally Posted by tli View Post
Both the Nuvi 1310 and 3760 work with MP3 audio files.

However, if one must use WAV files, the audio files must be of PCM 44.100KHz 16-bit mono audio format. Also, must use sox.exe version 14.0.1--NOT version 14.2.0.
No, I tried the MP3 file on my 3760, but the only sound I get is Ding Ding.
By the way, when I play the WAV file on the computer, everything sounds ok. So maybe it is because the Nüvi is busy with other things and the processor interrupts the sound (p.e. building the map).