MKV no sound on Gear VR, how to fix?

If your MKV movies are encoded with AC3 or DTS codec, you may encounter MKV no sound issues playing on Gear VR. That’s mainly because Gear VR only supports AAC and MP3 audio as Android standard does. If you are stuck on no sound problem, this post may help you out. It walks you through how to fix Gear VR no audio problem playing MKV movies.
watch your own imported 3D movies on Gear VR
How to play AC3 MKV movies on Gear VR without losing sound?
“Hi, there, I have some MKV movies with AC3 audio. When I play them inside Gear VR, the video plays fine but there is no sound and I get a pop-up message that the audio codec is not supported. Has anyone figured out a solution to go through this? Please help. Thanks for any reply.”

Actually, Gear VR only supports 2D MP4/AVI/FLV and 3D SBS MP4/MKV video files with AAC and MP3 audio codec. AC3 and DTS were removed because of high licensing costs. To make AC3 MKV videos playable on Gear VR, we would recommend converting MKV files with AC3 audio to AAC/MP3 audio. Here’s how.

How to fix MKV no sound issue on Gear VR?

Here’s what you need
HD Video Converter
watch your own imported 3D movies on Gear VRconvert incompatible videos for Gear VR in 3D

The steps:
Step 1: Start up HD Video Converter as the best Gear VR 3D converter. When its main interface pops up, click ‘Add File’ button to import your source files.
convert incompatible videos for Gear VR in 3D
Useful tips:
1. This Converter supports batch conversion, so you can load multiple video files to it for conversion at a time.
2. By ticking off ‘Merge into one file’ option, you can combine the selected clips into a single file.

Step 2: Select AAC MP4 or AAC MKV as output format for Gear VR
There are a few of 3D options for user to choose from. You are suggested to select ‘MP4 Side by Side 3D Video (*.mp4)’ or ‘MKV Side by Side 3D Video (*.mkv)’as output format under ‘3D Video’ column.
convert videos to Gear VR supported 3D MKV/MP4
If you want to output 2D files for Gear VR, simply choose MP4 and MKV as output format under ‘HD Video’ column.

Step 3: Custom video and audio settings
If necessary, you can click ‘Settings’ button and go to ‘Profiles Settings’ panel to modify video and audio settings like video encoder, resolution, video bit rate, frame rate, aspect ratio, audio encoder, sample rate, audio bit rate, and audio channels.
Gear VR 3D converter
Note: We recommend using 1280×720 HD resolution to encode your videos. Higher resolutions will not provide any better quality, meaning you’ll waste space and processing power.

Step 4: Start converting AC3 MKV video for Gear VR playback
When ready, click ‘Convert’ to start format conversion. As soon as the conversion is complete, you can click ‘Open Folder’ button to get the exported 3D/2D files for watching inside Gear VR without sound lost issue . Nothing could be simpler or more immediate.

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