[MPlayer-users] Audio pitch correction while encoding video.

["??????? <sstub at tut.by>" at natsuki.mplayerhq.hu]

Hi all.
Is it possible to correct audio pitch (maybe by scaletempo filter) while 
converting video?
Situatin is: I need to convert video from 30fps to 25fps without
dropping frames. In that case the sound pitch is distorted(lowered).
I tried parameters like:
mencoder X:\xxx\xxx.avi -o Y:\yyy\yyy.avi -ofps 25 -noskip -vf-add 
scale=320:240 -vf-add expand=320:240:-1:-1:1 -srate 44100 -ovc xvid 
-xvidencopts bitrate=450:max_bframes=0:quant_type=h263:me_quality=4 -oac 
lavc -lavcopts acodec=mp2:abitrate=128 -af pan=1:0.5:0.5 -channels 1 -af 
scaletempo -speed 0.8341

But the sound is stratched with video and the pitch is lowered. Is it
possible to avoid it?
Please help.
                      



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