Transcode 4K from Sony A7S to Mp4

Summary: If you have Sony A7S or 4K videos, and want to know how to handle the conversion of 4K from Sony A7S to Mp4, this article will be rewarding to you.


Sony Company released a new excellent camera - Sony A7S, which supports both photos and videos. The camera is able to read out its entire sensor at an astounding speed to output 8-bit 4:2:2 4K videos! So how much do you know about 4K? What the advantages of 4K comparing to other popular video formats?


4K is a high definition video format which is able to provide 8.8 million pixels. It contains 4096 * 2160 resolution images and each frame of its data is up to 50MB. Thus no matter for transcoding or editing, it all necessitates the top-level configuration machine.


As is known, 4K is not a very compatible video format and it is really too big for most of the video editing software. And Mp4 is a comparatively compatible format. So why not convert 4K to Mp4 on Mac or Windows before putting it into editing software? Sony A7S XAVC Video Converter for Mac is professional software which is able to help us convert AVCHD videos, TV shows 1080p/1080i/720p HD and many other video formats including 4K to almost any other output formats we want!


It is a converter of high cost performance because it includes 4K converter, MXF converter, MTS/M2TS converter and so on (That’s just the reason for most people choosing it!). And you can also merge multiple video clips into one file! It can help you convert between various formats so that you can enjoy movies on computer, further edit video for creation, present video on HDTV, and publish video online in web-friendly format. As for me, I am able to convert 4K to Mp4 on Mac with this software!


Step 1, Download Sony A7S XAVC video converter for Mac. (Click here if you are running on Windows.)


Step 2, Load 4K videos from Sony A7S to your computer. (We suggest you load it firstly to your computer because that will be more stable than directly adding it from the camera to this software.)


Step 3, Add or drag the 4K video to the interface of the video converter. By the way, you may also preview it before the conversion.


Step 4, Choose the output format you want. I directly chose the H.264 HD Video (*mp4) because it is really a compatible format as we all know.


Step 5, Check the setting. You may click the Settings button to specify the video and audio parameters. You can alter their size, sample rate, bitrate, frame rate and channels. This practical function can satisfy your specific needs for videos! Generally adjust size from original to 1920*1080, 1440*1080, 1280*720 (HD). To fit 2K need, enter 2K resolution (like 2560*1440) manually in the box of Size (pix), then press right bottom OK.

Step 6, Trim source Sony 4K XAVC recordings. Move the cursor on timeline to where you want. Alternatively, write down the correct time manually in Start and End boxes and click Set to choose the clip.

Step 7, after everything has been well set, just click the yellow arrows button to start the conversion of 4K to Mp4.


By the way, I run Sony A7S XAVC video converter on Windows and it also plays in a good condition!

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I am "techaholic" who always have passions on the latest and hottest consumer eletrics. And I wanna share my experiences and reviews about these tech gadgets on my blog.