Re: digital audio paths (Was: Re: Experimental technique for testing call audio quality? )

2010-01-25 Thread Helge Hafting
Stefano Cavallari wrote: On Friday 22 January 2010 20:13:58 Timo Juhani Lindfors wrote: Helge Hafting helge.haft...@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

Re: Experimental technique for testing call audio quality?

2010-01-22 Thread Helge Hafting
Neil Jerram wrote: From the recent survey, it seems that several people are still experiencing bad call audio quality; and I've personally had some bad reports of this recently (and my phone has been buzz-fixed). One of the problems, with trying to work on this, is finding a way to test

Re: Experimental technique for testing call audio quality?

2010-01-22 Thread Xavier Cremaschi
Neil Jerram a écrit : The best I've found so far is to call my work voicemail, speak to it, and get it to play my recording back to me. But that's still costing a bit. Any better ideas? Same thing here, but with my own number. In one shot I can leave a message, listen it, delete it. And

Re: Experimental technique for testing call audio quality?

2010-01-22 Thread Timo Juhani Lindfors
Helge Hafting helge.haft...@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

Re: Experimental technique for testing call audio quality?

2010-01-22 Thread Neil Jerram
2010/1/22 Helge Hafting helge.haft...@hist.no: To test the quality of analog components (mic, amplifier, speaker): * Record voice (or test tones) to a file. Transfer the file to a   computer with a good soundcard, to check quality. * Get a sound file of known quality, transfer it to the FR.

Re: Experimental technique for testing call audio quality?

2010-01-22 Thread Neil Jerram
2010/1/22 Xavier Cremaschi omega.xav...@gmail.com: Neil Jerram a écrit : The best I've found so far is to call my work voicemail, speak to it, and get it to play my recording back to me.  But that's still costing a bit.  Any better ideas? Same thing here, but with my own number. In one shot

digital audio paths (Was: Re: Experimental technique for testing call audio quality? )

2010-01-22 Thread Stefano Cavallari
On Friday 22 January 2010 20:13:58 Timo Juhani Lindfors wrote: Helge Hafting helge.haft...@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

Experimental technique for testing call audio quality?

2010-01-04 Thread Neil Jerram
From the recent survey, it seems that several people are still experiencing bad call audio quality; and I've personally had some bad reports of this recently (and my phone has been buzz-fixed). One of the problems, with trying to work on this, is finding a way to test audio quality repeatedly