[pvrusb2] Still having audio troubles

[Aaron Newcomb]

I just wanted to let everyone know that my sound problems were due to
an incompatable library that was causeing audio problem in mplayer and
xine on multiple systems. When I tried to play my captured video in
vlc it worked fine.

On 10/14/06, Mike Isely <isely at isely.net> wrote:
> On Sat, 14 Oct 2006, Aaron Newcomb wrote:
>
> > I have tried using different cables on 3 different computers with
> > different driver versions. Could it be that I need to update my
>
> Actually, I was thinking of the audio cable.  If the USB cable were a
> problem (if in fact that's what you were thinking of) then of course
> nothing at all would work.  If you meant the audio cable then please
> disregard my reply here :-)
>
>
> > firmware and extract it again? The firmware I am using is either the
> > original firmware that came with the unit or maybe I updated it once
> > over a year ago. Is there a way to find out the level of firmware that
> > is loaded in the unit? Thanks for you help Mike! You are always
> > willing to respond with helpful suggestions.
>
> The msp3400 does not need any firmware.  The places where the firmware has
> an effect on your device are the cx23416 and the FX2.  The cx23416 is your
> mpeg2 encoder; if the firmware there were bad you wouldn't get anything.
> The FX2 is the central processor in the device, and if that were bad then
> the driver wouldn't be able to communicate at all with it.  In any case,
> no explicit audio data actually even flows through the FX2.  By the time
> the FX2 gets the data it is already bound up with video inside the mpeg2
> stream.
>
> However certainly there's no harm in trying new firmware.  I just don't
> think it's going to help.
>
> Again, if this were a 24xxx model then the situation is different.  In
> that case, the cx25840's audio side requires firmware to be loaded and if
> that were messed up you would get video but no audio - however in that
> case you would not get audio for the RF input either.
>
>   -Mike
>
>
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-- 
Thanks,
Aaron Newcomb
http://www.thesourceshow.org