[mythtv-users] Volume doesn't have effect

Tom Corcoran tomc at osits.com
Mon Jan 15 11:05:47 UTC 2007

Brad DerManouelian wrote:
> On Jan 14, 2007, at 2:21 AM, Matthias Thyroff wrote:
>> Dave M G schrieb:
>>> MythTV Users,
>>> The next thing on my list of small fixes:
>>> When I increase or decrease the volume, an indicator appears on my
>>> screen to indicate that it's going up or down.
>>> But, the volume I hear remains exactly same.
>>> Mute also has no effect. Text appears on the screen saying "Mute  
>>> on" or
>>> "Mute off", but the sound remains on.
>>> So while I can hear sound, I can't control it.
>>> Where would I start in order to diagnose and hopefully solve this  
>>> problem?
>>> Thank you for your time and help.
>>> --
>>> Dave M G
>>> Ubuntu 6.06 LTS
>>> Kernel
>>> Pentium D Dual Core Processor
>>> PHP 5, MySQL 5, Apache 2
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>> Hi again,
>> how many sound cards do you have in your system? On my desktop, I  
>> have a
>> sound card and a USB headset. If I press the volume button on the usb
>> headset, I can see the kde indcator for the volume change the volume,
>> but it changes the volume of the internal sound card, not the headset.
>> So, play tv. Open a terminal. Try to change the volume with alsamixer
>> and find the correct device which actually lets you change the volume.
>> Then check if in your frontend settings, this device is configured as
>> your mixer device. Maybe that's your problem?
>> BTW, i had set the frontend to control the pcm volume. Mplayer would
>> control the master volume. It works much better for me to control  
>> master
>> in the frontend and mplayer, because otherwise you might turn down
>> master in mplayer and then, back in the frontend you can't turn up the
>> volume again.
>> Cheers
>>     Matthias
> Also note if you have audio passthrough turned on (like I do for  
> optical audio to my receiver), you will lose the ability to control  
> the volume with myth controls since it's not altering the audio in  
> any way. Just passing it through to your audio device.
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> mythtv-users at mythtv.org
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I raised a similar query about a month ago, and the following worked for 
me.  Change the audio setup for device and mixer setting to 
'ALSA:default' . May not work for your setup but seems to be a common issue.


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