and the double colourspace conversions needed for smart renders don't always look quite right. The newer versions of consumer editors can do that quite well, but there are still sometimes complaints about 'stuttering' replay problems during the editing process. The long GOP format with it's relatively few keyframes means that the editing programs need to apply various 'tricks' I mentioned (So called 'smart' renders, and/ or proxy files, for example) It's just not a very good format to use for editing, IMHO. Nothing 'wrong' with AVCHD Harry - for recording and playback it's a very effective format. iFrame MP4 after cutting in ADM - MP4 output format.After cutting in ADM - PSP output format.After cutting in ADM - MP4 output format.(The video & audio sections have not changed since I'm only copying the streams.) The original file is approx 11s, while the cut versions are approx 1s. Here is the container info from MediaInfo. No need to select the PSP option for MP4 when saving. This MP4 will load fine in Vegas, either directly or after cutting in ADM. This Panasonic camera also has a 'iFrame' MP4 960x540 30p format. What change does the PSP option make to the MP4 container? MediaInfo shows a different Codec ID, but are there other differences? I've found that, if I select the PSP output format option when selecting MP4 muxing, the files will load in Vegas. 'Corrupted or Unknown format': Sony playing silly buggers with what it will accept as an MP4? The container is the problem, as the same streams bundled in a. I've noticed that if I load a standard MP4 from this camera into ADM, cut it (copying the video & audio) and mux it as either MP4 or MP4v2, Vegas won't load the new file. I have no problems loading these files directly in Vegas. My media sources are 1080p60 50Mbps MP4 & 1080p60 28Mbps AVCHD files, both from a Panasonic HC-V750 camcorder. I mainly use Sony Vegas Pro 12, but find Avidemux (ADM) 2.6.10/2.6.11β handy for many things like creating small clips. I' ve post this on the Avidemux forum, but it also may be of interest here.

Avidemux convert to mp4