Does the attached video file play OK on your system? It has the same dimensions and the same 48 KHz sample rate as your original description, and is similar in many other ways, except for the frame rate being 25 fps instead of 30 fps. It plays fine here.
** Attachment added: "Urthboy - Ready to Go live.mp4" https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/575389/+attachment/1553933/+files/Urthboy%20-%20Ready%20to%20Go%20live.mp4 -- Only HD video out of sync with sound https://bugs.launchpad.net/bugs/575389 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs