fail to maintain A/V sync with other muxers such as MPEG. This is why it is necessary to append the h... sample rate in the original file is not the same as required by the target format, sample rate conver... o add quality-enhancing options to lavcopts, such as trell, mbd=2, and others. Note that qpel and v4mv... MP2 encoder. The libavcodec MP2 is far from being as good as the other two libraries, however it shoul