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

Nick Rout nick.rout at gmail.com
Tue Jul 6 02:37:51 UTC 2010


On Tue, Jul 6, 2010 at 1:49 PM, Don Brett <dlbrett at zoominternet.net> wrote:
> Nick Rout wrote:
>>
>> On Tue, Jul 6, 2010 at 10:07 AM, Don Brett <dlbrett at zoominternet.net>
>> wrote:
>>
>>>
>>> Nick Rout wrote:
>>>
>>>>
>>>> On Tue, Jul 6, 2010 at 12:56 AM, Don Brett <dlbrett at zoominternet.net>
>>>> 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?
>>>>>
>>>>>
>>>>
>>>> It depends. In a digital stream the broadcaster controls it, the audio
>>>> is muxed into the stream.
>>>>
>>>> In an analogue recording, the mixer and any settings in myth itself,
>>>> or the drivers for the recording device. Sorry to be vague, haven't
>>>> used analogue in ages.
>>>>
>>>> The rest of the answers seem to be about playback.
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>>>>
>>>>
>>>>
>>>>
>>>
>>> Right, I was talking about an analog recording.  It's probably a setting
>>> in
>>> the mixer,  but which input would it be?  I experimented with "Line in"
>>> but
>>> it made no difference when I played both recordings back (one recording
>>> very
>>> low and one recording very high).
>>>
>>
>> What tuner card?
>>
>
> It's a Hauppauge pvr-150
>

Long time since I used one, are there any volume controls accessible
from v4l2-ctl?


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