First make sure your computer is powerful enough and has enough disk space as Sony Vegas requires your computer be powerful enough and have enough disk space for video editing. The headache issues with Sony Vegas dealing MP4 files may causes by hardware issue or codec issue. How to Solve Sony Vegas can’t Import MP4 files Audio and video are out of sync with MP4 playback in Sony Vegas.Sony Vegas shows black screen when playing MP4 files muxed from H.264.Error message pops up: “Warning: An error occurred while one or more files. MP4 file recorded by Hauppauge HD PVR into Sony Vegas. Sony Vegas doesn’t recognize the mp4 files outputs from GoPro HD Hero.Known issues when Sony Vegas dealing with MP4 files The latest Sony Vegas 18 still won’t solve “Sony Vegas Won’t import/read/open/accept some MP4 files”. Though MP4 is a listed supported format by Sony Vegas, many people are having problems of importing MP4 to Sony Vegas.
However, it will be a frustrating thing if you have problems of importing video files to Sony Vegas, especially the video files are the so common MP4 files. Sony Vegas Pro makes it easy to import and edit movies, images and music for creating your next video or audio masterpiece.
