[Mplayer-dvb] Choppy audio with NTSC data

Arpi arpi at thot.banki.hu
Sun Jan 5 15:07:47 CET 2003


Hi,

this way you play your 30fps video at 25fps, ie slower, but since teh audio
plays at original rate, it gets choppy.

try -speed 25:30
but it will lower the tone of audio too...

> Hi!
> 
> I'm trying to play back an NTSC VCD on my non-NTSC capable TV-Set. Of
> course, passing the MPEG data through to the DVB's MPEG decoder results in
> ok sound and a black&white picture which is not what I want. So I use the
> command line
> 
> -vo mpegpes -ao mpegpes -vop lavc,expand=352:576,scale=352:523 -framedrop
> 
> to have the video rescaled so I get a nicely colored picture. But with these
> settings the sound is very choppy and I did not find a way to fix that. When
> playing the sound directly via the sound card it is not choppy but way out
> of sync which is not the case with -ao mpegpes.
> 
> Also a reason why I think it should work is that with the same settings
> (except for scaling) I can play a PAL SVCD just fine, so I do not think that
> my machine (1GHz Duron) is too slow as it usually runs at 40% CPU usage
> during playback.
> 
> Any ideas?
> 
> Stefan
> 
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> 
> 


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu


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