Convert JVC GY-LS300 4K MOV to FCP X/7/6 ProRes

We share the workaround here for people who wanna import JVC GY-LS300 4K MOV to Final Cut Pro for edit without meeting the error. With Acrok JVC 4K Video Converter, you can do the 4K MOV to Apple ProRes conversion job easily.

Create hours of pristine recordings on SDHC/SDXC media in a variety of image formats including 4K Ultra HD, Full HD with 4:2:2 sampling, SD and web friendly proxy formats. Conventional DSLR cameras simply can't match the high reliability, long recording time and ergonomics provided by JVC's GY-LS300.

http://www.acrok.com/images/blog/blogspot/jvc-gy-ls300-fcp.jpg

If you are using a JVC GY-LS300 camcorder with FCP 7, FCP 6 or its earlier versions of X, or even iMovie, you may see the error "ERROR COMPILING MOVIE: UNKNOWN" coming up when exporting a movie composed of 4K clips, whether it's to Apple ProRes 422, Apple ProRes 4444, etc., this error comes up, in particular when the movie is "long", i.e. a half minute to a minute. Otherwise, with short clips there is no problem. It's enough to make you want to pull your hair out. The Internet is full of discussions on this issue, but we don't know why Apple can't fix it? The bottom line, however, is that once you convert your JVC GY-LS300 4K files to ProRes video using Acrok HD Video Converter for Mac, there are absolutely no problems regardless of file length... which in our case is perhaps a four minute movie.

We were concerned with possibly losing quality by transcoding JVC GY-LS300 video to ProRes for FCP X with Acrok. But a side-by-side comparison showed us there was absolutely no discernible difference. We thought some users might want to know this because it permits Final Cut Pro users to rectify this problem and continue on with it. So we share the workaround here for people who wanna import JVC GY-LS300 4K MOV to FCP (FCP X, FCP 7, FCP 6) for edit without meeting the error "ERROR COMPILING MOVIE: UNKNOWN".

Free download JVC GY-LS300 Video Converter
Free download Acrok MTS Converter for MacFree download Acrok MTS Converter for Windows

How to convert JVC GY-LS300 4K MOV to ProRes to open successfully in FCP?

Step 1: Run JVC GY-LS300 to FCP Converter and load source MOV clips to it
You can import JVC GY-LS300 4K MOV clips to the program through "Add File" or "Add from folder" button.

Step 2: Choose Apple ProRes as output format for FCP
Acrok JVC GY-LS300 4K to FCP Converter offers optimized format preset for Final Cut Pro. Encoding H.264 to Apple ProRes, please click "Format" menu firstly and then follow "Final Cut Pro" > "Apple ProRes 422 (*.mov)".

Step 3. Adjust parameters if you need
In case the default settings do not fit your requirement, you can click "Settings" button and enter "Profile Settings" panel to adjust video size, bit rate, frame rate, sample rate and audio channels.
Detailed information can be seen here in this "Task information" table.

Step 4: Convert 4K MOV to FCP compatible ProRes
Click "Convert" button to start JVC GY-LS300 4K 150Mbps MOV to FCP ProRes Conversion. When the conversion task is finished, click "Open" button to get the exported ProRes MOV files for FCP to do further editing. Acrok HD Video Converter enables anyone with MOV files to use any non-linear editor as long as they convert 4K MOV to a recognizable format, easily done with ACROK!

If your are Adobe Premiere Pro user and plan to edit your video on Mac or Windows, you can refer to edit MXF video in Adobe Premiere, convert MKV for Adobe Premiere Pro, and import MTS to Premiere Pro.

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