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How to Convert Sony XAVC, XAVC S or XAVC HS 4K to MP4

Feel strange that your Sony recorded video footage not playing or editing on your devices? That's probably because your Sony footage is encoded in XAVC or XAVC S format, which is not supported widely. To fix this, you're suggested to use a XAVC converter to convert Sony XAVC to MP4 format for better playing on any devices or editing on video editing software like Premiere Pro. This article will show you how to convert XVAC to MP4 fast without quality loss visually.

Can't Add XAVC/XAVC S 4K Recordings to Video Editing Tools? Convert Them to MP4 Now!

The XAVC/XAVC S 4K footages recorded by Sony camera cannot be imported to video editing tools, or cannot be played on common media players like what you do on other formats? Just convert them to MP4 before you go further. Winxvideo AI - a free MP4 video converter, allows you to convert XAVC, XAVC S, XAVC HS to MP4, as well as MKV, MOV, HEVC, FLV, WebM, ProRes and more.

Table of Contents

Part 1. What Is XAVC, XAVC S and XAVC HS?

XAVC is a recording format that is introduced by Sony. It uses the highest level supported video standard - level 5.2 of H.264/MPEG-4 AVC. XAVC can support 4K resolution at up to 60 frames per slecond, color depths of 8, 10, 12 bits, and chroma subsampling of 4:2:0, 4:2:2, or 4:4:4. XAVC can be wrapped in MXF format.

XAVC S is designed as a partner compression codec to XAVC with a more tightly compressed video signal. It supports signals with a resolution of 3840×2160 pixels and an aspect ratio of 16:9 only. And it's usually wrapped in MP4 container format with AAC or LPCM audio. The video footage recorded by cameras like Sony FDR-AX100 4K Ultra HD, Sony HDR-AS100V action camera and Sony α7S is usually encoded in XAVC S.

XAVC HS is a new format for 4K HEVC video footages that recorded by Sony A7S III and more. This format records high image quality movies with rich gradations and smaller file sizes using the MPEG-H HEVC/H.265 codec with 10-bit color sampling. If you view XAVC HS file with a HDR (HLG)-compatible TV via HDMI, you can prevent over-exposure and under-exposure without performing the color grading process and enjoy watching movies that will appear more realistic as if they are viewed with the naked eye.

When it comes to edit XAVC HS on computer, you absolutely need a video editing software compatible with MPEG-H HEVC/H.265 codec and 4K resolution. If not, you'll face with the 4K video errors like cannot open video in XAVC HS + S-I 4K. This requires a Video Converter to convert XAVC HS to MP4.

What is XAVC / XAVC S
What is XAVC / XAVC S

Part 2. How to Convert XVAC (XAVC S and XAVC HS) to MP4?

To convert XAVC to MP4, you definitely need a XAVC to MP4 video converter. Winxvideo AI is an excellent XAVC video converter that allows you to convert Sony XAVC files to MP4, MOV, WMV, WebM, FLV and 420+ preset profiles. No matter you're recording XAVC files in HD or XAVC S/HS in 4K UHD, this Sony XAVC converter is able to load them from Sony cameras and output them to MP4 format for playing on any devices, or editing in Premiere Pro, Final Cut Pro, Sony Vegas Pro, and more.

Converting XAVC to MP4 can be fairly easy with Winxvideo AI. All can be done within 3 steps. Here's how to convert XAVC to MP4:

Step 1. Import your Sony XAVC footage.

Open Winxvideo AI, click Video Converter and you can see a +Video button at the top left corner of the main interface. Click it and then browse and open the XAVC file you need to convert to MP4. You're able to add several XAVC (S) files for batch conversion.

convert AVI to MKV
Convert XAVC to MP4 on Windows

Step 2. Choose MP4 as the output format.

As the source XAVC files loaded, there will pop up an output profile window where more than 420 profiles are available for your choice. Select General Profiles and find MP4 Video (h264+aac), click on it and click OK button.

Step 3. Start converting XAVC to MP4.

Before video conversion, you're able to enhance video quality by ticking on the box of Use High Quality engine and accelerate video conversion speed through Hardware accelerator. When you've done all these settings, hit RUN button to start decoding XAVC and encoding it to MP4 now.

Part 3 FAQs about Sony XAVC / XAVC S

1. Is XAVC an MP4?

XAVC can be used to encode video in an MP4 container, XAVC itself is not an MP4. XAVC is a video codec developed by Sony, which is designed to support high-quality video recording at high resolutions, including 4K and higher. MP4 is a digital multimedia container format used to store video, audio, and other data such as subtitles and still images. It is a widely used format for online streaming, digital downloads, and video playback on various devices.

To put it simply, XAVC is a video codec, and MP4 is a digital multimedia container format, and while XAVC can be used in MP4 containers, they are not the same thing.

2. What's the difference between XAVC S and AVCHD?

XAVC S uses MP4 wrapper with H.264 video and LPCM audio codec. It's only record footage in 4K resolution at 16:9 aspect ratio. While AVCHD uses MPEG-2 (MTS) wrapper format with MPEG-4 AVC / H.264 and AC3 audio codec. AVCHD camcorders like Sony HDR-CX100 provide switchable SD/HD solid state recordings.

3. How can I change the video format on my Sony camera?

Go MENU > Camera Settings > File Format > desired setting.

You have 3 choices when choosing the movie file format:

  • XAVC S HD: record high-definition movies in XAVC S HD. It supports a higher bit rate with LPCM audio.
  • AVCHD: record HD movies in AVCHD format. It's suitable for high-definition TV. Audio: Dolby Digital.
  • MP4: record MP4 (AVC) movies. It's suitable for playback on smartphones or tablets, web uploads, email attachments etc. Audio: AAC

4. How do I convert XAVC to MOV?

Similar to converting XAVC to MP4, you can continue using Winxvideo AI to transcode XAVC to MOV. It's available both on Windows and macOS.

  1. Open Winxvideo AI, then drag and drop to import Sony XAVC footage to the XAVC converter.
  2. Choose MOV Video as the output format.
  3. Tap the "RUN" button to start converting XAVC to MOV.


author - Kaley Torres

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Kaley Torres is particularly skilled in writing and sharing video-related contents. Her guides cover from deep-seated video/audio parameters, to media entertainment on different platforms. She also enjoys shooting and processing videos by herself for a more reliable basis of informative info with her articles.

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