Re: Experiment: better sound on remote end

[Gilles Filippini]

Neil Jerram a écrit , Le 09/02/2010 01:07:
> Just to check that I'm understanding correctly...  Are you saying
> that, for you,
> 
>>> * control.63: 'Mic 2'
>>> * control.12: 0
> 
> gives equally good audio quality as
> 
>>> * control.63: 'Right PGA'
>>> * control.12: 6
> 
> ?

Indeed. But I've only compared them in a very quiet environment so far.

_g.



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Re: Experiment: better sound on remote end

[Al Johnson]

On Tuesday 09 February 2010, Neil Jerram wrote:
> On 7 February 2010 22:01, Gilles Filippini  wrote:
> > Gilles Filippini a écrit , Le 07/02/2010 15:31:
> >> Al Johnson a écrit , Le 07/02/2010 10:59:
> >>> Routing through the PGA just attenuates the signal slightly before
> >>> it gets to the mono mixer. Turning the mono mixer setting down from 7
> >>> to 6 or 5 will be just as effective.
> >>
> >> FWIW, my current working settings are:
> >> * control.48: 1
> >> * control.63: 'Right PGA'
> >> * control.12: 6
> >> * control.5:  127
> >>
> >> Following your advice, I'll give a try at:
> >> * control.63: 'Mic 2'
> >> * control.12: 5 or 4
> >
> > Wow! I've had to lower control.12 to 0 (yes: zero) to have a sound
> > volume equivalent to my previous settings'.
> 
> Just to check that I'm understanding correctly...  Are you saying
> that, for you,
> 
> >> * control.63: 'Mic 2'
> >> * control.12: 0
> 
> gives equally good audio quality as
> 
> >> * control.63: 'Right PGA'
> >> * control.12: 6

It may do for him but it might not for you. There is NO universally good 
setting! Changing control 63 from Mic2 to Right PGA is just reducing the gain 
a little, which for some people prevents clipping round the mono mixer when 
control 12 is set too high. The better answer is to set control 12 correctly 
in the first place.

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Re: Experiment: better sound on remote end

[Neil Jerram]

On 7 February 2010 22:01, Gilles Filippini  wrote:
> Gilles Filippini a écrit , Le 07/02/2010 15:31:
>> Al Johnson a écrit , Le 07/02/2010 10:59:
>>> Routing through the PGA just attenuates the signal slightly before
>>> it gets to the mono mixer. Turning the mono mixer setting down from 7 to 6 
>>> or
>>> 5 will be just as effective.
>>
>> FWIW, my current working settings are:
>> * control.48: 1
>> * control.63: 'Right PGA'
>> * control.12: 6
>> * control.5:  127
>>
>> Following your advice, I'll give a try at:
>> * control.63: 'Mic 2'
>> * control.12: 5 or 4
>
> Wow! I've had to lower control.12 to 0 (yes: zero) to have a sound
> volume equivalent to my previous settings'.

Just to check that I'm understanding correctly...  Are you saying
that, for you,

>> * control.63: 'Mic 2'
>> * control.12: 0

gives equally good audio quality as

>> * control.63: 'Right PGA'
>> * control.12: 6

?

Thanks,
 Neil

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Re: Experiment: better sound on remote end

[Gilles Filippini]

Gilles Filippini a écrit , Le 07/02/2010 15:31:
> Al Johnson a écrit , Le 07/02/2010 10:59:
>> Routing through the PGA just attenuates the signal slightly before 
>> it gets to the mono mixer. Turning the mono mixer setting down from 7 to 6 
>> or 
>> 5 will be just as effective.
> 
> FWIW, my current working settings are:
> * control.48: 1
> * control.63: 'Right PGA'
> * control.12: 6
> * control.5:  127
> 
> Following your advice, I'll give a try at:
> * control.63: 'Mic 2'
> * control.12: 5 or 4

Wow! I've had to lower control.12 to 0 (yes: zero) to have a sound
volume equivalent to my previous settings'.

_g.



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Re: Experiment: better sound on remote end

[Gilles Filippini]

Hi,

Al Johnson a écrit , Le 07/02/2010 10:59:
> Routing through the PGA just attenuates the signal slightly before 
> it gets to the mono mixer. Turning the mono mixer setting down from 7 to 6 or 
> 5 will be just as effective.

FWIW, my current working settings are:
* control.48:   1
* control.63:   'Right PGA'
* control.12:   6
* control.5:127

Following your advice, I'll give a try at:
* control.63:   'Mic 2'
* control.12:   5 or 4

Thanks,

_g.



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Re: Experiment: better sound on remote end

[Al Johnson]

On Saturday 06 February 2010, Gilles Filippini wrote:
> Neil Jerram a écrit , Le 06/02/2010 15:51:
> > On 2 December 2009 13:47,   wrote:
> >>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
> 
> ...
> 
> > So: yes, I can confirm that changing 'Mic Sidetone Mux' from 'Mic 2'
> > to 'Right PGA' improves call audio for my callees.  My wife even
> > described it as 'quite fine' :-).
> 
> +1.
> 
> I've been using this setting for one week now and I've the very same
> comment from my wife ;) And now I can take a call while being in a noisy
> train.
> 
> BTW, this is also the default QtMoko setting, where I found it from.
> 
> Please, could someone elaborate on *why* it would be to avoid[1] as a
> default setting?

Because then somebody else will complain that the mic is too quiet, and we'll 
be going round in circles. There is NO universally good mixer setting for the 
defaults. Routing through the PGA just attenuates the signal slightly before 
it gets to the mono mixer. Turning the mono mixer setting down from 7 to 6 or 
5 will be just as effective.

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Re: Experiment: better sound on remote end

[Xavier Cremaschi]

On 06/02/2010 17:00, Neil Jerram wrote:
> On 6 February 2010 15:54, Xavier Cremaschi  wrote:
>
>> But if you use the speaker (intone, podboy, mplayer...), don't you have
>> sound only in one side (right in your case) ?
>
> I don't use speaker for calls.  The change that I mentioned is only
> for gsmhandset.state, which is only used for phone calls.
>
>   Neil

Forgot my question, it was another problem and the answer is here :
  Differences from Neo 1973
 * There is only 1 (mono) built-in loud speaker (connected to LOUT1) 
instead of 2 (stereo).


Xavier.


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Re: Experiment: better sound on remote end

[Gilles Filippini]

Neil Jerram a écrit , Le 06/02/2010 15:51:
> On 2 December 2009 13:47,   wrote:
>>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
...
> So: yes, I can confirm that changing 'Mic Sidetone Mux' from 'Mic 2'
> to 'Right PGA' improves call audio for my callees.  My wife even
> described it as 'quite fine' :-).

+1.

I've been using this setting for one week now and I've the very same
comment from my wife ;) And now I can take a call while being in a noisy
train.

BTW, this is also the default QtMoko setting, where I found it from.

Please, could someone elaborate on *why* it would be to avoid[1] as a
default setting?

Thanks,

_g.

[1] 



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Re: Experiment: better sound on remote end

[Neil Jerram]

On 6 February 2010 15:54, Xavier Cremaschi  wrote:

> But if you use the speaker (intone, podboy, mplayer...), don't you have
> sound only in one side (right in your case) ?

I don't use speaker for calls.  The change that I mentioned is only
for gsmhandset.state, which is only used for phone calls.

 Neil

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Re: Experiment: better sound on remote end

[Xavier Cremaschi]

On 06/02/2010 15:51, Neil Jerram wrote:
> On 2 December 2009 13:47,  wrote:
>>
>> 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
>
> I just rediscovered this improvement, by playing with alsamixer; then
> found this existing thread by googling.
>
> So: yes, I can confirm that changing 'Mic Sidetone Mux' from 'Mic 2'
> to 'Right PGA' improves call audio for my callees.  My wife even
> described it as 'quite fine' :-).
>
> Regards,
>   Neil
But if you use the speaker (intone, podboy, mplayer...), don't you have 
sound only in one side (right in your case) ?


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Re: Experiment: better sound on remote end

[Neil Jerram]

On 2 December 2009 13:47,   wrote:
>
>        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

I just rediscovered this improvement, by playing with alsamixer; then
found this existing thread by googling.

So: yes, I can confirm that changing 'Mic Sidetone Mux' from 'Mic 2'
to 'Right PGA' improves call audio for my callees.  My wife even
described it as 'quite fine' :-).

Regards,
 Neil

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Re: Experiment: better sound on remote end

[Michael 'Mickey' Lauer]

Am Donnerstag, den 03.12.2009, 17:25 +0100 schrieb Matthias Felsche:
> Besides:
> I've implemented Dictator 0.3 as Dbus-Service and -Client. Will be
> released soon. Don't know lot about fso-progress of the last months. Do
> you already have something for recording sound I should rather use than
> to have another dbus-service next to fso? Would it be worth to integrate
> it into fso?

Absolutely. There's no code that yet, but I think simple recording at
least should eventually be provided by FSO as well.

Cheers,

-- 
:M:


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Re: Experiment: better sound on remote end

[David Garabana Barro]

O Mércores, 2 de Decembro de 2009, Sebastian Krzyszkowiak escribiu:
> On Wed, Dec 2, 2009 at 15:17, David Garabana Barro  
wrote:

> > You can try the state.file from "old" SHR...
> 
> Here "old" one was unusable at all here, "new" one is quite good. And
> "new" one was official Openmoko's one, and now you can adjust volume
> with sliders in UI - so what's the problem?

If you say sliders now store last value, I suppose there's not problem.
But initially you had to adjust volume on every call... not so practical.

-- 
David Garabana Barro
jabber & google talk ID:da...@garabana.com
Clave pública PGP/GPG:  http://davide.garabana.com/pgp.html


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Re: Experiment: better sound on remote end

[Sebastian Krzyszkowiak]

On Wed, Dec 2, 2009 at 23:21, Rui Miguel Silva Seabra  wrote:
> On Wed, Dec 02, 2009 at 08:31:22PM +0100, Sebastian Krzyszkowiak wrote:
>> On Wed, Dec 2, 2009 at 15:17, David Garabana Barro  
>> wrote:
>> > On Wednesday 02 December 2009 15:12:36 Rui Miguel Silva Seabra wrote:
>> >> On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
>> >> > did you ever change the gsmhandset.state file after applied buzz fix?
>> >> > the tracker links to an improved file specifically tuned for buzz fixed
>> >> > devices and so far used by a lot of peoples.
>> >>
>> >> I'm using current SHR with the state file that's provided.
>> >
>> > I can't understand why they changed state file.
>> > Old one worked OK on most Neos. New one sounds bad on almost every one...
>> >
>> > You can try the state.file from "old" SHR...
>>
>> Here "old" one was unusable at all here, "new" one is quite good. And
>> "new" one was official Openmoko's one, and now you can adjust volume
>> with sliders in UI - so what's the problem?
>
> Speaking of the sliders, are they persistent in the value they set?
>
> Rui

AFAIK yes.

-- 
Sebastian Krzyszkowiak
dos

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Re: Experiment: better sound on remote end

[Matthias Felsche]

Am Donnerstag, den 03.12.2009, 12:51 +0100 schrieb Dr. Michael Lauer:
> It'd be helpful for the rest of the stack, if dictator would just use FSO's 
> Push/Pull scenario methods instead.
> 

Ah ok! Did not know about them. This looks more convenient and tidy.
Will be done like that.

Besides:
I've implemented Dictator 0.3 as Dbus-Service and -Client. Will be
released soon. Don't know lot about fso-progress of the last months. Do
you already have something for recording sound I should rather use than
to have another dbus-service next to fso? Would it be worth to integrate
it into fso?
I mean every smartphone has a microphone and taking voicenotes or do
audio-happy-slapping ;-) is a nice feature. One could make up  local
answer-machine or so.
Are you guys working one somewhat like this?

Matthias



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Re: Experiment: better sound on remote end

[Dr. Michael Lauer]

It'd be helpful for the rest of the stack, if dictator would just use FSO's 
Push/Pull scenario methods instead.

:M:




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Re: Experiment: better sound on remote end

[Matthias Felsche]

Am Mittwoch, den 02.12.2009, 22:04 +0100 schrieb Davide Scaini:
> uhm it seems that dictator uses this scenario
> /usr/share/scenarios/dictator/dictator_rec.state
> so...buh... is there a way to let dictator use "standard" scenarios?

Recording is done via this state cause with it Dictator can record
gsm-sound too. You could backup dictator_rec.state and overwrite it.
If not, try arecord.
A new version of dictator will be out soon, I hope this year but I
cannot promise anything cause I'm developing it all alone.

cheers 
Matthias

> (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?
> thanks again
> d
> 
> 
> r...@1407.org ha scritto:
> > Experiment: better sound on remote end
> > http://blog.1407.org/2009/12/02/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.
> > 
> > http://picasaweb.google.com/RuiMSeabra/DebConf9OpenMokoBuzzFixParty#
> > 
> > However what I found to fix this problem on
> > my phone model (GTA02v5 + buzz fix) goes totally against the official 
> > information.
> > 
> > http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem#Alsamixer_channel_controls
> > 
> > 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 :)
> > 
> > http://wiki.openmoko.org/index.php?title=Talk:Neo_Freerunner_audio_subsystem&oldid=77886
> > 
> > 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.
> > 
> > http://blog.1407.org/wp-content/uploads/2009/12/oldValue.png
> > 
> > http://blog.1407.org/wp-content/uploads/2009/12/newValue.png
> > 
> > So let's hear your results, nothing like a good empirical experiment.
> > 
> > In the following recordings (complete set here),
> > 
> > http://files.1407.org/openmoko/mic_sidemux_test/
> > 
> > I said «The quick brown fox jumps over the lazy dog» starting with Mic2, 
> > then Right PGA, then Left PGA.
> > 
> > 1. in perfect conditions;
> >
> > http://files.1407.org/openmoko/mic_sidemux_test/test1-perfect-conditions.wav
> > 2. with tv making background noise (news);
> >http://files.1407.org/openmoko/mic_sidemux_test/test2-with-tv.wav
> > 3. 2. + computer playing loud music («Te Quiero Puta» from Rammstein) 
> > at the same time.
> >
> > http://files.1407.org/openmoko/mic_sidemux_test/test3-with-tv-and-music.wav
> > 
> > ___
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Re: Experiment: better sound on remote end

[Rui Miguel Silva Seabra]

On Wed, Dec 02, 2009 at 08:31:22PM +0100, Sebastian Krzyszkowiak wrote:
> On Wed, Dec 2, 2009 at 15:17, David Garabana Barro  wrote:
> > On Wednesday 02 December 2009 15:12:36 Rui Miguel Silva Seabra wrote:
> >> On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
> >> > did you ever change the gsmhandset.state file after applied buzz fix?
> >> > the tracker links to an improved file specifically tuned for buzz fixed
> >> > devices and so far used by a lot of peoples.
> >>
> >> I'm using current SHR with the state file that's provided.
> >
> > I can't understand why they changed state file.
> > Old one worked OK on most Neos. New one sounds bad on almost every one...
> >
> > You can try the state.file from "old" SHR...
> 
> Here "old" one was unusable at all here, "new" one is quite good. And
> "new" one was official Openmoko's one, and now you can adjust volume
> with sliders in UI - so what's the problem?

Speaking of the sliders, are they persistent in the value they set?

Rui

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Re: Experiment: better sound on remote end

[Davide Scaini]

uhm it seems that dictator uses this scenario
/usr/share/scenarios/dictator/dictator_rec.state
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?
thanks again
d


r...@1407.org ha scritto:
> Experiment: better sound on remote end
> http://blog.1407.org/2009/12/02/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.
> 
> http://picasaweb.google.com/RuiMSeabra/DebConf9OpenMokoBuzzFixParty#
> 
> However what I found to fix this problem on
> my phone model (GTA02v5 + buzz fix) goes totally against the official 
> information.
> 
> http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem#Alsamixer_channel_controls
> 
> 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 :)
> 
> http://wiki.openmoko.org/index.php?title=Talk:Neo_Freerunner_audio_subsystem&oldid=77886
> 
> 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.
> 
> http://blog.1407.org/wp-content/uploads/2009/12/oldValue.png
> 
> http://blog.1407.org/wp-content/uploads/2009/12/newValue.png
> 
> So let's hear your results, nothing like a good empirical experiment.
> 
> In the following recordings (complete set here),
> 
> http://files.1407.org/openmoko/mic_sidemux_test/
> 
> I said «The quick brown fox jumps over the lazy dog» starting with Mic2, then 
> Right PGA, then Left PGA.
> 
>   1. in perfect conditions;
>
> http://files.1407.org/openmoko/mic_sidemux_test/test1-perfect-conditions.wav
>   2. with tv making background noise (news);
>http://files.1407.org/openmoko/mic_sidemux_test/test2-with-tv.wav
>   3. 2. + computer playing loud music («Te Quiero Puta» from Rammstein) 
> at the same time.
>
> http://files.1407.org/openmoko/mic_sidemux_test/test3-with-tv-and-music.wav
> 
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Re: Experiment: better sound on remote end

[Davide Scaini]

I have crackilg sound... so I want to figure out what to do... I
installed dictator (just not to spend tons of €) and then I play with
alsamixer opened. Now the questions:

1) How do I set a numeric value in the gsmhandset?
2) I set New value: 63:'Mic Sidetone Mux':1:3 but it seems it's not
persistent, if I open alsamixer i find Mic2 and not Left PGA... wtf?
3) It seems that my audio is everytime over saturated, that much that
crackles...
any idea?
d

(it's about an year that i own this fr and i still don't use it as a
phone... wtf! :P)


r...@1407.org ha scritto:
> Experiment: better sound on remote end
> http://blog.1407.org/2009/12/02/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.
> 
> http://picasaweb.google.com/RuiMSeabra/DebConf9OpenMokoBuzzFixParty#
> 
> However what I found to fix this problem on
> my phone model (GTA02v5 + buzz fix) goes totally against the official 
> information.
> 
> http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem#Alsamixer_channel_controls
> 
> 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 :)
> 
> http://wiki.openmoko.org/index.php?title=Talk:Neo_Freerunner_audio_subsystem&oldid=77886
> 
> 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.
> 
> http://blog.1407.org/wp-content/uploads/2009/12/oldValue.png
> 
> http://blog.1407.org/wp-content/uploads/2009/12/newValue.png
> 
> So let's hear your results, nothing like a good empirical experiment.
> 
> In the following recordings (complete set here),
> 
> http://files.1407.org/openmoko/mic_sidemux_test/
> 
> I said «The quick brown fox jumps over the lazy dog» starting with Mic2, then 
> Right PGA, then Left PGA.
> 
>   1. in perfect conditions;
>
> http://files.1407.org/openmoko/mic_sidemux_test/test1-perfect-conditions.wav
>   2. with tv making background noise (news);
>http://files.1407.org/openmoko/mic_sidemux_test/test2-with-tv.wav
>   3. 2. + computer playing loud music («Te Quiero Puta» from Rammstein) 
> at the same time.
>
> http://files.1407.org/openmoko/mic_sidemux_test/test3-with-tv-and-music.wav
> 
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Re: Experiment: better sound on remote end

[Sebastian Krzyszkowiak]

On Wed, Dec 2, 2009 at 15:17, David Garabana Barro  wrote:
> On Wednesday 02 December 2009 15:12:36 Rui Miguel Silva Seabra wrote:
>> On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
>> > did you ever change the gsmhandset.state file after applied buzz fix?
>> > the tracker links to an improved file specifically tuned for buzz fixed
>> > devices and so far used by a lot of peoples.
>>
>> I'm using current SHR with the state file that's provided.
>
> I can't understand why they changed state file.
> Old one worked OK on most Neos. New one sounds bad on almost every one...
>
> You can try the state.file from "old" SHR...

Here "old" one was unusable at all here, "new" one is quite good. And
"new" one was official Openmoko's one, and now you can adjust volume
with sliders in UI - so what's the problem?

-- 
Sebastian Krzyszkowiak
dos

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Re: Experiment: better sound on remote end

[Al Johnson]

On Wednesday 02 December 2009, r...@1407.org wrote:
> Experiment: better sound on remote end
> http://blog.1407.org/2009/12/02/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.
> 
> http://picasaweb.google.com/RuiMSeabra/DebConf9OpenMokoBuzzFixParty#
> 
> However what I found to fix this problem on
> my phone model (GTA02v5 + buzz fix) goes totally against the official
>  information.
> 
> http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem#Alsamixer_chan
> nel_controls
> 
> 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 :)

The suggested default values on the wiki (48 on max) will cause distortion for 
a lot of people, but the procedure described below isn't bad if you set 
control 12 to 5. 

> http://wiki.openmoko.org/index.php?title=Talk:Neo_Freerunner_audio_subsyste
> m&oldid=77886
> 
> 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?

I still don't believe there's one mixer setting that suits everyone. If we had 
a working AGC we might have a better chance though.

> 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

Unless you've stumbled upon some settings that make the AGC do something 
useful, there's nothing to be gained by routing audio through the PGA that 
can't be achieved just by setting the gain controls correctly on the existing 
route. You could try fso-simplemixer.py though I've not checked to see if it 
still works with the changes in the new SHR-U yet. Those that tried it said it 
made adjustment much easier, and improved the audio quality in calls.
http://thread.gmane.org/gmane.comp.handhelds.openmoko.community/50771/focus=50802

> 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.
> 
> http://blog.1407.org/wp-content/uploads/2009/12/oldValue.png
> 
> http://blog.1407.org/wp-content/uploads/2009/12/newValue.png
> 
> So let's hear your results, nothing like a good empirical experiment.
> 
> In the following recordings (complete set here),
> 
> http://files.1407.org/openmoko/mic_sidemux_test/
> 
> I said «The quick brown fox jumps over the lazy dog» starting with Mic2,
>  then Right PGA, then Left PGA.
> 
>   1. in perfect conditions;
>   
>  http://files.1407.org/openmoko/mic_sidemux_test/test1-perfect-conditions.w
> av 2. with tv making background noise (news);
>   
>  http://files.1407.org/openmoko/mic_sidemux_test/test2-with-tv.wav 3. 2. +
>  computer playing loud music («Te Quiero Puta» from Rammstein) at the same
>  time.
>  http://files.1407.org/openmoko/mic_sidemux_test/test3-with-tv-and-music.wa
> v

An interesting result. It suggests your max setting on control 48 is ok, and 
the distortion is introduced by having control 12 set to 7, boosting the 
signal by 6dB. Try dropping it to 5, and increasing control 5 if needed. 

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Re: Experiment: better sound on remote end

[Davide Scaini]

I had my fr just fixed, and i cannot place a call! ...better: i can call,
but they just hear a crackling sound (not my voice). Tonight i'll try to
apply your fix, i'm on the very very nice last shr-u (from 301109).
Thanks
d

On Wed, Dec 2, 2009 at 3:17 PM, David Garabana Barro wrote:

> On Wednesday 02 December 2009 15:12:36 Rui Miguel Silva Seabra wrote:
> > On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
> > > did you ever change the gsmhandset.state file after applied buzz fix?
> > > the tracker links to an improved file specifically tuned for buzz fixed
> > > devices and so far used by a lot of peoples.
> >
> > I'm using current SHR with the state file that's provided.
>
> I can't understand why they changed state file.
> Old one worked OK on most Neos. New one sounds bad on almost every one...
>
> You can try the state.file from "old" SHR...
>
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>
>
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Re: Experiment: better sound on remote end

[David Garabana Barro]

On Wednesday 02 December 2009 15:12:36 Rui Miguel Silva Seabra wrote:
> On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
> > did you ever change the gsmhandset.state file after applied buzz fix?
> > the tracker links to an improved file specifically tuned for buzz fixed
> > devices and so far used by a lot of peoples.
>
> I'm using current SHR with the state file that's provided.

I can't understand why they changed state file.
Old one worked OK on most Neos. New one sounds bad on almost every one...

You can try the state.file from "old" SHR...


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Re: Experiment: better sound on remote end

[Rui Miguel Silva Seabra]

On Wed, Dec 02, 2009 at 02:56:28PM +0100, arne anka wrote:
> did you ever change the gsmhandset.state file after applied buzz fix?
> the tracker links to an improved file specifically tuned for buzz fixed  
> devices and so far used by a lot of peoples.

I'm using current SHR with the state file that's provided.

Rui

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Re: Experiment: better sound on remote end

[arne anka]

did you ever change the gsmhandset.state file after applied buzz fix?
the tracker links to an improved file specifically tuned for buzz fixed  
devices and so far used by a lot of peoples.

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Experiment: better sound on remote end

[rms]

Experiment: better sound on remote end
http://blog.1407.org/2009/12/02/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.

http://picasaweb.google.com/RuiMSeabra/DebConf9OpenMokoBuzzFixParty#

However what I found to fix this problem on
my phone model (GTA02v5 + buzz fix) goes totally against the official 
information.

http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem#Alsamixer_channel_controls

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 :)

http://wiki.openmoko.org/index.php?title=Talk:Neo_Freerunner_audio_subsystem&oldid=77886

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.

http://blog.1407.org/wp-content/uploads/2009/12/oldValue.png

http://blog.1407.org/wp-content/uploads/2009/12/newValue.png

So let's hear your results, nothing like a good empirical experiment.

In the following recordings (complete set here),

http://files.1407.org/openmoko/mic_sidemux_test/

I said «The quick brown fox jumps over the lazy dog» starting with Mic2, then 
Right PGA, then Left PGA.

1. in perfect conditions;
   
http://files.1407.org/openmoko/mic_sidemux_test/test1-perfect-conditions.wav
2. with tv making background noise (news);
   http://files.1407.org/openmoko/mic_sidemux_test/test2-with-tv.wav
3. 2. + computer playing loud music («Te Quiero Puta» from Rammstein) 
at the same time.
   
http://files.1407.org/openmoko/mic_sidemux_test/test3-with-tv-and-music.wav

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