Your close, just take the video transcode out and it will only be remuxed with the transcoded audio. vlc -vvv rtsp://wowza_ip:1935/live/rtsp.stream --sout "#transcode{ab=42,acodec=mp4a}:rtp{mp4a-latm,dst=127.0.0.1,port-audio=20000,port-video=20002,ttl=127,sdp=file:///D:\DSS_Movies\channel.sdp}&...