[mythtv-users] What controls the volume level in a recording?

[Don Brett]

Greg wrote:
> On 07/05/2010 12:24 PM, Don Brett wrote:
>> Justin Johnson wrote:
>>> On Mon, Jul 5, 2010 at 9:01 AM, Brian J. Murrell 
>>> <brian at interlinx.bc.ca> wrote:
>>>> On Mon, 2010-07-05 at 08:56 -0400, Don Brett wrote:
>>>>> I noticed that some recordings play back louder than others as if 
>>>>> they
>>>>> were recorded louder.  My old mythtv box and the new one seem 
>>>>> different
>>>>> and downloaded content is definitely different.  What controls the
>>>>> recorded volume level?
>>>> The advertisers.  :-D
>>>>
>>>> b.
>>>>
>>>>
>> You're probably right.
>>>
>>> If you're using ALSA it should be possible to install a compressor
>>> plugin to "normalize" the audio. Note that this isn't true
>>> normalization, it simply makes all audio the about the same volume. I
>>> haven't set this up myself, maybe somebody else on here has, but I
>>> might look into it sometime in the near future as it seems like every
>>> recording is the opposite volume of the last.
>>>
>>> http://alsa.opensrc.org/index.php/Ladspa_(plugin)
>>>
>>> --Justin Johnson
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>>>
>>
>> Good idea, but I was thinking about something like the control 
>> console in that other OS.  Double-click on the speaker, then Options 
>> > Properties > Recordings, then set the levels.  Is there something 
>> like that in Fedora?
>>
>> By the way, my sound works but the gnome-volume-control panel doesn't 
>> startup on this box.  I get a "Waiting for sound system to respond" 
>> message.  I don't have a way to look at the sound setting, other than 
>> through alsamixer.
>>
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> I haven't been following this thread  closely,but if you are running 
> Ubuntu, I  goto System,then keyboard shortcuts then map the volume 
> control to my keyboard..Then when that works you can map it to your 
> remote...
> If you un-installed pulseaudio the sound app,won't work,that's the 
> reason it just sits there..It's all tied to pusleaudio..
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>
I'm using Mythdora-12, but I read about the pulseaudio solution with 
Ubutu.  It looks like pulseaudio is a required component in this distro, 
so I'm a little hesitant to uninstall it.  I did try the "delete the 
.pulse folder" trick, but it didn't make any difference.

I don't really have a problem with playback volume, this thread is more 
about recording volume.  For a given volume setting on the TV, some 
recordings are louder than others, so I'm wondering what determines the 
recorded volume level.  It may just be the line-in setting, 
but....that's just a guess.

Don