[MPlayer-users] How to suppress background noise SOLVED

[Alain Barthélemy]

Le Thursday 23 October 2003, 20:57:21 ou environ Alain Barthélemy <cassandre at bartydeux.be> a écrit:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hello,
> 
> SuSE-Linux 8.2 Kernel 2.4.20
> Pinnacle PCTV card BT878 chipset
> 
> I want to capture movies recorded on video cassettes (PAL)
> 
> mencoder -tv driver=v41:width=640:height=480 -ovc lavc -lavcopts
> vcodec=mpeg4:vbitrate=1500:vhq -oac mp3lame -lameopts br=128:mode=3
> tv:// -vf eq=10:5 -o test.avi -endpos xx:xx:xx
> 
> After capturing the image is very good but I have an horrific
> background noise. I don't have such a loudly noise if I listen
> directly to the video cassette or TV with KwinTV.
> 
> Where could the problem be? The PCTV card has already been used before
> without that problem (not with mplayer/mencoder).
> 
> Is there some filter with mencoder to eliminate some high-frequencies
> sound or some Dolby-like filter? Or could I change something in the
> code line above to correct that problem.
> 
> I am no specialist and I am lost (problem with TV card, sound
> connection between TV card and sound card?).
> 
> Thank you for any suggestion.

Thank you all for your help. It took me two weeks to solve the problem. I use
Kmaix as sound mixer. On the Line cursor, I did not set the red 'record'
button. Something was read but it was a distorded sound (the origin of that
signal?). Now I have a good sound capture. The reason was stupid.


-- 
Alain Barthélemy
cassandre at bartydeux.be
http://bartydeux.be
Linux User #315631