"Marco Trillo" <marcotrillo@gmail.com> writes:

> I listened to the file and I could hear the noise. But it's not only
> the noise, the file is playing at more speed than 8 kHz (and with a
> higher pitch than it should).

Ah, that's true, now I hear it...

> The best way to test it is to resample the file to a 'supported' rate.
> I used the 'sndfile-resample' utility that comes with
> audio/libsamplerate to resample the file to 32 kHz.
> If you compare the 32 kHz version (which plays fine of course) and the
> 8 kHz you'll notice the bad pitch of the 8 kHz playing.
>
> Since the 8 kHz appears to be not supported and in fact it's not
> listed on the TAS3004 datasheet, I propose to disable it and make
> 'aurateconv' take care of converting it to something supported
> (converting to 32 kHz is probably the best conversion possible in
> terms of quality, since it's a multiple).

Indeed, that seems sensible.

Magnus