problems properly configuring alsa

Jude DaShiell jdashiel at panix.com
Wed Jun 17 13:14:59 EDT 2015


capture switch may need turning on first, I'm not sure since I never did 
anything with that kind of sound card.  Maybe Set capture switch then 
hit enter.  If we're lucky the error message you get back will be 
informative.

On Mon, 1 Jun 2015, covici at ccs.covici.com wrote:

> Date: Mon, 1 Jun 2015 07:00:06
> From: covici at ccs.covici.com
> Reply-To: Speakup is a screen review system for Linux.
>     <speakup at linux-speakup.org>
> To: Speakup is a screen review system for Linux. <speakup at linux-speakup.org>
> Subject: Re: problems properly configuring alsa
> 
> hmmm, here is what I get with get Capture
> Simple mixer control 'Capture',0
>  Capabilities: cvolume cswitch
>  Capture channels: Front Left - Front Right
>  Limits: Capture 0 - 15
>  Front Left: Capture 2 [13%] [3.00dB] [on]
>  Front Right: Capture 2 [13%] [3.00dB] [on]
> There seems to be only one volume, and when I say
> amixer set Capture playback off
> it says invalid command.
>
> Chuck Hallenbeck <chuckh at ftml.net> wrote:
>
>> If you have a control called Capture, it generally has separate settings
>> for Playback volume and Capture volume.  You can set the playback volume
>> to 0 and the capture volume to whatever works best
>>
>>  On Mon, 1 Jun 2015,
>> Willem van der Walt wrote:
>> 
>> > If you have a control called 'Input Source' what is the output of
>> > amixer get 'Input Source'?
>> > Regards, Willem
>> >
>> >
>> > On Mon, 1 Jun 2015, covici at ccs.covici.com wrote:
>> >
>> > > No effect whatsoever.
>> > >
>> > > Willem van der Walt <wvdwalt at csir.co.za> wrote:
>> > >
>> > >> You need to use amixer set Mic  off
>> > >> or simmelar to actually set it, but I suppose you know that.
>> > >> HTH, Willem
>> > >>
>> > >>
>> > >> On Mon, 1 Jun 2015, covici at ccs.covici.com wrote:
>> > >>
>> > >> > No joy, it did the command, but did not effect the situation.
>> > >> >
>> > >> > Willem van der Walt <wvdwalt at csir.co.za> wrote:
>> > >> >
>> > >> >> Make sure the 'Input Source' is not set to playback.
>> > >> >> In some cases it is called Mic.
>> > >> >> So, amixer get Mic
>> > >> >> should show you if it has playback on.  If it is on, try and switch it
>> > >> >> off.
>> > >> >> HTH, Willem
>> > >> >>
>> > >> >>
>> > >> >> On Mon, 1 Jun 2015, covici at ccs.covici.com wrote:
>> > >> >>
>> > >> >> > Hi.  Since upgrading to kernel 3.13, I am having some strange also
>> > >> >> > config problems.  What I would like to do is have the Microphone be
>> > able
>> > >> >> > to record a file, or otherwise be used by an application, and at the
>> > >> >> > same time have the rear jack which seemsto be controlled by Master, to
>> > >> >> > hear a file being played or other application.  Now what is happening
>> > is
>> > >> >> > that if I turn up the capture volume sufficiently, I get feedback, if
>> > I
>> > >> >> > turn Master playback off, no feedback, but Master hears nothing.  The
>> > >> >> > volume on the Mic does nothing at all itself.  I have an old emu10k1
>> > >> >> > sound card.  So, how do I get the Mic to work at some decent level,
>> > but
>> > >> >> > not going through the line out jack which eventually goes to speakers?
>> > >> >> >
>> > >> >> > Thanks in advance for any ideas.
>> > >> >> >
>> > >> >> > --
>> > >> >> > Your life is like a penny.  You're going to lose it.  The question is:
>> > >> >> > How do
>> > >> >> > you spend it?
>> > >> >> >
>> > >> >> >         John Covici
>> > >> >> >         covici at ccs.covici.com
>> > >> >> > _______________________________________________
>> > >> >> > Speakup mailing list
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>> > >> >> >
>> > >> >> > --
>> > >> >> > This message is subject to the CSIR's copyright terms and
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>> > >> >> >
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>> > >> > --
>> > >> > Your life is like a penny.  You're going to lose it.  The question is:
>> > >> > How do
>> > >> > you spend it?
>> > >> >
>> > >> >         John Covici
>> > >> >         covici at ccs.covici.com
>> > >> > _______________________________________________
>> > >> > Speakup mailing list
>> > >> > Speakup at linux-speakup.org
>> > >> > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
>> > >> >
>> > >> > --
>> > >> > This message is subject to the CSIR's copyright terms and
>> > >> > conditions, e-mail legal notice, and implemented Open Document
>> > >> > Format (ODF) standard. The full disclaimer details can be found at
>> > >> > http://www.csir.co.za/disclaimer.html.
>> > >> >
>> > >> > This message has been scanned for viruses and dangerous content by
>> > >> > MailScanner, and is believed to be clean.
>> > >> >
>> > >> > Please consider the environment before printing this email.
>> > >> _______________________________________________
>> > >> Speakup mailing list
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>> > >
>> > > --
>> > > Your life is like a penny.  You're going to lose it.  The question is:
>> > > How do
>> > > you spend it?
>> > >
>> > >         John Covici
>> > >         covici at ccs.covici.com
>> > > _______________________________________________
>> > > Speakup mailing list
>> > > Speakup at linux-speakup.org
>> > > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
>> > >
>> > > --
>> > > This message is subject to the CSIR's copyright terms and conditions, e-mail
>> > legal notice, and implemented Open Document Format (ODF) standard.
>> > > The full disclaimer details can be found at
>> > http://www.csir.co.za/disclaimer.html.
>> > >
>> > > This message has been scanned for viruses and dangerous content by
>> > MailScanner,
>> > > and is believed to be clean.
>> > >
>> > > Please consider the environment before printing this email.
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>> _______________________________________________
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>
> -- 
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
>
>         John Covici
>         covici at ccs.covici.com
> _______________________________________________
> Speakup mailing list
> Speakup at linux-speakup.org
> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup

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