The MKV (Matroska Multimedia Container) is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture or subtitle tracks inside a single file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. MKV becomes popular and more "*.mkv" videos appears. When you want to convert MKV to Blue Ray, MKV to Blue Ray Creator can help you.
MKV to Blue Ray Creator is the best MKV to Blue Ray Converter software which can convert MKV to Blue Ray fast and easily with lossless quality. MKV to Blue Ray Creator allows you to add subtitle and audio for the imported videos. You can set the parameters like subtitle language, position, transparency and font style; set audio codec, sample rate and channels. You can also adjust the effect like Carving, Old film etc., crop the play region and add watermarks for the video.
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Guide: How to burn MKV to Blue Ray videosStep 1: 
Free download MKV to Blue Ray Creator and install it and launch.
Step 2: Importing MKV files.
Click the Add button 
in the Top Toolbar. You can click 
to delete the file if you don't want to convert it.
Step 3: Adding Subtitles and Audios
Click 
or 
to open the Subtitle/Audio window.
Note 1: You can set the Subtitle parameters like language, vertical position, subtitle delay and font style.
Note 2: You can set the audio parameters like volume, audio latency, audio codec, sample rate and channels.
Step 4: Output Settings
Click the Destination drop down list to choose the BD Folder or Image as output.
Step 5: Converting MKV to Blue Ray
After you set all the necessary settings, you can click the 
button to begin to convert MKV to Blue Ray.