Experiment: better sound on remote end
dscaini at gmail.com
Wed Dec 2 22:04:22 CET 2009
uhm it seems that dictator uses this scenario
so...buh... is there a way to let dictator use "standard" scenarios?
(just to test this damn alsastate).
But the question still remains: if i find a nice regulation with
alsamixer, how do i revert this in the gsmhandset file?
rms at 1407.org ha scritto:
> Experiment: better sound on remote end
> One of the problems people complain about my calls from the Freerunner is *bad*sound*.
> Lot's of background noise, static, etc. I'm not talking about the familiar buzz problem,
> as I've had the buzz fix applied to my phone.
> However what I found to fix this problem on
> my phone model (GTA02v5 + buzz fix) goes totally against the official information.
> So much so that there's at least one person who, from his very good knowledge about this
> subject (Really! This is *not* sarcasm!), thinks this fix is as good as putting some peanut
> butter over the microphone :)
> I know of at least one other person who claims to have better sound on remote end from this fix,
> but I think I need to drop the challenge. Can you try the current SHR Unstable, apply this fix
> and then report on the mailing lists your results?
> You can? Good! So here's the fix:
> 1. call someone who noticed your bad sound and check whether the sound is still bad, then
> finish the call
> 2. edit /etc/freesmartphone/alsa/default/gsmhandset
> 3. change control 63 (it's also on line 63), so that it ends in 3 rather than in 2:
> * Old value: 63:'Mic Sidetone Mux':1:2
> * New value: 63:'Mic Sidetone Mux':1:3
> 4. call that person again and check the result
> Alternatively, in one call, you can ssh into your phone and use alsamixer to change the same
> control, but this change will not be persistent until you do the steps above.
> So let's hear your results, nothing like a good empirical experiment.
> In the following recordings (complete set here),
> I said «The quick brown fox jumps over the lazy dog» starting with Mic2, then Right PGA, then Left PGA.
> 1. in perfect conditions;
> 2. with tv making background noise (news);
> 3. 2. + computer playing loud music («Te Quiero Puta» from Rammstein) at the same time.
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