I think I have the same problem or atleast very close to it. I use this row for VLC 0.8.4a in windows: vlc -vvv udp://@:5000 --sout="#transcode{vcodec=mp4v,vb=96,fps=15,height=176,width=144,acodec=mp4a,ab=16,samplerate=16000,channels=1,audio-sync}:rtp{dst=127.0.0.1,port=24000,ttl=64,sdp=rtsp://...