[MEncoder-users] Getting the sound right in a conversion from avi to mpg (mpeg2)
Nico Sabbi
nsabbi at tiscali.it
Thu Jun 23 20:29:12 CEST 2005
John Dickinson wrote:
>I am converting an avi file into an mpg file and seem to have gotten
>the video working well enough (thanks to people here). However the
>audio is failing for me. The final goal is to have an mpeg2 VCD
>
>
SVCD
>compatible video file (with audio) for portability to the grandparents
>old VCD/DVD player.
>
>Here is the command:
>mencoder -of mpeg -ovc lavc -lavcopts vcodec=mpeg2video:mbd=2:keyint=
>25:vrc_minrate=600:vbitrate=6000 -vf rotate=1 -oac lavc -af
>lavcresample=48000:srate=48000 in.avi -o test.mpg
>
>
-af lavcresample=44100 -srate 44100 -mpegopts format=xsvcd and add vrc_buf_size=917.
Yet 6000 is way too high for svcd, you should use 2500 instead
>[mp2 @ 00A268B8]bitrate 224 is not allowed in mp2
>Couldn't open codec mp2, br=224
>
>Seems like the bitrate is the problem but the resample doesn't work.
>If I get rid of: "-oac lavc -af lavcresample=48000:srate=48000" and
>replace with "-oac copy" it works but there is no sound with the
>resultant file.
>
>
because you didn't really resample.
Finally: use mencoder from cvs
>I am really stumped on this even after reading the html version of the
>manpage that came with the window's binaries of mplayer.
>
>John
>
>
you didn't read carefully the man page
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