On 02/08/2011 06:16 AM, visitor wrote: > mencoder -demuxer rawvideo -rawvideo w=1:h=1 -rawaudio bitrate=44100 -ovc copy > -oac twolame -of rawaudio -audiofile a.mp3 -o a.mp3 -endpos 4.4 /dev/zero -demuxer rawvideo+rawaudio with only one rawvideo i got empty file Thank you! -- sergio.