[mythtv-users] Volume difference between sources: is there a
way to fix it?
Kevin Kuphal
kuphal at dls.net
Thu May 26 21:24:28 UTC 2005
Claude Boucher wrote:
> I don't know if this should be part of a wish list but here it is.
>
> I have the following problem (not really a problem but an annoyance).
> I have a dual-card MythTV box with the following inputs:
>
> 1 PVR150 MCE receives analog cable signals
> 1 PVR250 retail receives digital cable through S-Video and RCA to
> 3.5mm jack
>
> I use mythTV 0.18.1 and ivtv 0.34w (FC3, from ATrpms)
>
> The signal from analog cable is at least 10% louder than the signal
> from the cable STB (although the volume from the STB is set to the
> maximum value). This is not a Myth problem per se, because the analog
> audio coming from the cable company is louder than the digital signal,
> even if I bypass Myth completely.
>
> Is there a way to fine tune the volume for each capture card so I
> could lower the volume from my analog cable input? I know I could use
> recording profiles to set the volume, but this applies to individual
> shows; some of which are recorded on either capture card, as
> determined by myth.
>
> A volume slider for each source in the mythtv-setup interface would be
> great, but it does not work this way.
>
> Thank you for your suggestions.
Adjust the mixer settings for each card using alsamixer so that one is
higher/lower than the other until they are balanced.
Kevin
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