Re: Speech-friendly alsa mixer (sam) released, testers needed

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Hi, Willem:

This looks really cool. It's going to take me a little time to get it
put together as I have some commitments the next couple days that will
take time. But, I wanted to acknowledge your email right away.

I will definitely follow through on this. This sounds like a really
useful tool. And, you're correct that I have a handful of devices handy!
<grin>

Best,

Janina

Willem van der Walt writes:
> So Janina, on Saturday I started writing the tool you are asking about
> below.  It works fine on the two machines I have tested on, but obviously,
> it is new code which needs more testing.
> Grab it from http://www.sanote.co.za/downloads/sam-latest.tar.bz2
> Extract: tar jxvf sam-latest.tar.bz2
> cd sam
> and read the README.md for more details.
> 
> Janina, I hope you can give it a spin as you are the person with the most
> sound devices in one machine I know about.
> I am no expert on alsa, so do not expect too much.
> Feedback is welcome.
> Kind regards, Willem
> 
> 
> On Fri, 5 Apr 2019, Janina Sajka wrote:
> 
> > [The e-mail server of the sender could not be verified (SPF Record)]
> > 
> > Hi, Glenn:
> > 
> > I'm not aware of a way to manage "all" through a single command. Maybe
> > someone has written a tool like that. Part of the problem is that each
> > sound card is different, providing more or fewer interface options. And,
> > if you have more than one card, like I do, things get even more complex.
> > 
> > Here's how to enumerate the cards you have:
> > aplay -l
> > 
> > Now, for each individual card, where x stands for the card number,  you can query available controls like so:
> > 
> > amixer -Cx controls
> > 
> > You'l find some cards have lots of controls, and others very few. If
> > you're looking only for volume, grep is your friend like so by way of
> > example:
> > 
> > amixer -c2 controls |grep -i volume
> > 
> > Of course, if you have but one card, you don't need the -c switch.
> > 
> > Now, to get the current setting for any control, again where x
> > identifies the card, and y identifies the numeric id you discovered with
> > the grep above, do like so:
> > 
> > amixer -cx cget numid=y
> > 
> > 
> > Lastly, to set the volume:
> > 
> > amixer -cx cset numid=y [value]
> > 
> > hth
> > 
> > Janina
> > 
> > Glenn At Home writes:
> > > Hi,
> > > I'm reading the amixer manpage and I'm unclear on how to set the volume output to 100%.
> > > Is there a simple command to make sure that all is unmuted and at 100%?
> > > Thanks
> > > 
> > > 
> > > Sent From My Tabletop
> > > N0YJV   shade tree computer guy
> > > _______________________________________________
> > > Speakup mailing list
> > > Speakup@xxxxxxxxxxxxxxxxx
> > > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> > 
> > -- 
> > 
> > Janina Sajka
> > 
> > Linux Foundation Fellow
> > Executive Chair, Accessibility Workgroup:	http://a11y.org
> > 
> > The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
> > Chair, Accessible Platform Architectures	http://www.w3.org/wai/apa
> > 
> > _______________________________________________
> > Speakup mailing list
> > Speakup@xxxxxxxxxxxxxxxxx
> > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> > 
> _______________________________________________
> Speakup mailing list
> Speakup@xxxxxxxxxxxxxxxxx
> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup

-- 

Janina Sajka

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:	http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair, Accessible Platform Architectures	http://www.w3.org/wai/apa

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