Experimental technique for testing call audio quality?

[Timo Juhani Lindfors]

Helge Hafting <helge.hafting at hist.no> writes:
> the same quality as this, by tweaking volume settings. Calls are digital 

The audio data is fed to the GSM chip in analog form however.

> If the FR sound quality is too bad, consider a BT headset. Sound quality 
> should then depend on the BT headset only. The FR's problems with buzz, 
> bad bass, and possibly other analog issues shouldn't matter at all.

Even in this case the audio is fed in analog form to the GSM chip.