[mythtvnz] Equalizing audio levels in mythtv

feadog feadog at orcon.net.nz
Tue Feb 9 05:51:32 GMT 2010


On Tue, 2010-02-09 at 13:37 +1300, Steve Hodge wrote:
> On Tue, Feb 9, 2010 at 1:28 PM, Graeme Woollett
> <g.woollett at irl.cri.nz> wrote:
>         feadog wrote:
>         > I have noted some users have found varying audio levels
>         between channels
>         > annoying. The inclusion of a ladspa compressor/limiter
>         filter has helped
>         > me enormously on a eeepc netbook running mythtv-frontend
>         dvb-s.
>         >
>         > The information was gleaned from the URL
>         > http://alsa.opensrc.org/index.php/LADSPA_plugins
>         >
>         
>         Does this work with spdif out?
> It should work for non-encoded output (ie. not DTS or AC3) if you hook
> it up to the spdif hw: change "slave.pcm "plughw:0,0";" to whatever
> your spdif output is. I don't think it will work for passthrough DTS
> or AC3 as that would require decoding and re-encoding the signal.
>  
> Cheers,
> Steve


Does this work with spdif out?

sorry, spdif is next years project, but I wonder why ac3 should be
treated differently than mp2.

Noel










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