Aiseesoft MP4 Converter for Mac has upgraded to 6.2.78 version. If you have the software, please download it to install the newest version in your Mac. The new version was updated with new kernel so as to improve the analysis ability and conversion speed. There are the other points:
a. support P2 MXF file
b. recognize external audio streaming
c. add Apple Prores profile and ALAC – Apple Lossless Audio Codec (*.m4a) profile
d. improve other internal encoder
If you don’t get the software and want to learn more about it, please go to this page: https://www.aiseesoft.com/mp4-converter-for-mac.html.