Have you ever wondered how to seamlessly convert your favorite MKV videos into Blu-ray discs without sacrificing quality? The secret lies in passthrough mode, a powerful technique that ensures high-quality audio and video retention during conversion. This article explores the benefits of passthrough mode and provides step-by-step guidance on using popular tools like MakeMKV, MKVToolNix, Yuhan Blu-ray Creator, and TSMuxer to effortlessly convert between MKV and Blu-ray formats, enhancing your home entertainment experience.

Part 1. What is Passthrough Mode

Passthrough mode is a process used in video conversion that allows audio and video streams to be transferred directly from the source file to the output file without re-encoding. This method preserves the original quality of the video and audio, making it a preferred choice for those who want to maintain high-quality output.

Advantages of Passthrough Mode

Quality Preservation: Since the original audio and video streams are not re-encoded, passthrough mode ensures that there is no loss in quality. This is especially important for high-definition content found on Blu-ray discs.

Speed: Without the need to re-encode the streams, the conversion process is significantly faster. Passthrough mode only involves transferring the existing streams, which reduces the processing time.

Reduced File Size: While the file size remains relatively the same as the original, passthrough mode can sometimes result in smaller file sizes compared to full re-encoding, as it avoids adding unnecessary data.

Resource Efficiency: Passthrough mode requires less computing power and memory, making it an efficient option for devices with limited resources.

Part 2. How to Convert Blu-ray to MKV with Passthrough Mode

To convert Blu-ray discs to MKV format using passthrough mode, you can use two powerful tools: MakeMKV and MKVToolNix. MakeMKV can decrypt Blu-ray discs, making it suitable for encrypted discs, while MKVToolNix lacks decryption capabilities, so it's best used for Blu-ray discs that have already been decrypted.

1. Convert encrypted Blu-ray to MKV with MakeMKV

MakeMKV is a versatile software application designed to convert Blu-ray and DVD discs into MKV format. It excels at decrypting and extracting video, audio, and subtitle tracks from physical discs, preserving the original quality without re-encoding. The software is user-friendly, with a straightforward interface that simplifies the conversion process. MakeMKV supports a wide range of disc formats, including encrypted Blu-rays, making it a popular choice for users looking to back up their media collections. Its ability to maintain high-quality video and audio while converting to the flexible MKV format makes it an essential tool for media enthusiasts.

MakeMKV is a popular tool used to convert Blu-ray and DVD discs into MKV format. It is user-friendly and supports passthrough mode, allowing you to maintain the original quality of your media files.

Steps to Convert Blu-ray to MKV with MakeMKV:

Step 1: Download and install MakeMKV by visiting the official MakeMKV website(https://makemkv.com/) and downloading the latest version. Follow the provided installation instructions specific to your operating system.

Step 2: Launch MakeMKV and insert the Blu-ray disc. Once MakeMKV recognizes the disc, click the disc icon in the center. MakeMKV will then begin analyzing and decrypting the Blu-ray disc.

Step 3: Once MakeMKV has analyzed the disc, it will display all the available titles. Select the titles you want to convert, set the output path, and click the "Make MKV" button to begin the conversion process.

2. Convert decrypted Blu-ray to MKV with MKVToolNix

MKVToolNix is a powerful software suite designed for creating, editing, and managing Matroska (MKV) multimedia files. It provides tools for multiplexing, demultiplexing, editing, and inspecting MKV files, allowing users to combine multiple video, audio, and subtitle tracks into a single file. With its user-friendly graphical interface and command-line options, MKVToolNix offers flexibility for both casual users and advanced professionals. It supports a wide range of input formats and allows for customization of track parameters and metadata. MKVToolNix is ideal for users who need to manipulate MKV files without compromising quality, making it an essential tool for video enthusiasts.

MKVToolNix is another versatile tool that can be used to manipulate MKV files. While it doesn’t directly convert Blu-ray discs, it can be used in conjunction with MakeMKV to further customize MKV files.

Steps to Convert Blu-ray to MKV with MKVToolNix:

Step 1: To download and install MKVToolNix, visit the MKVToolNix website (https://mkvtoolnix.download/) and download the version appropriate for your system. Follow the installation instructions.

Step 2: In the "Source Files" column of the main interface, right-click and select "Add files" to include the BDMV/index.bdmv or BDMV/MovieObject.bdm file from the Blu-ray directory. This will display all the titles on the Blu-ray. Select the main title, typically the one with the longest playback time. Once loaded, you'll see the video, audio tracks, and subtitles contained in this title. You can choose to select specific audio tracks and subtitles or include all of them.

Step 3: Select the output directory and file name for your custom MKV file. Click the "Start Muxing" button to create the final MKV file. MKVToolNix will process the file using the selected options.

Part 3. How to Convert MKV to Blu-ray with Passthrough Mode

Converting MKV files back to Blu-ray format can be accomplished using tools like Yuhan Blu-ray Creator and TSMuxer. These tools support passthrough mode, ensuring high-quality output for your Blu-ray discs.

1. Convert MKV to Blu-ray with Yuhan Blu-ray Creator

Yuhan Blu-ray Creator is a comprehensive Blu-ray authoring software known for its support of passthrough mode, enabling users to preserve the original quality of their media files. Compatible with Windows 11/10/8/7 and Mac 10.15 and later, it offers versatile features for both casual and professional users. This software supports multi-track and multi-subtitle options, as well as the addition of external subtitles, providing flexibility in creating custom Blu-ray discs. It retains high-quality audio formats such as EAC3, TrueHD (Dolby Atmos), DTS HD Master, and Blu-ray PCM, ensuring an immersive audio experience.

Yuhan Blu-ray Creator can automatically import chapter information from MKV files and supports custom chapters, giving users control over the structure of their content. The software offers three output options: creating a Blu-ray folder, generating an ISO file, or burning directly to a disc. It includes over 20 disc menu templates, along with numerous customization options, allowing each menu page to be personalized with background pictures and music. This level of customization makes Yuhan Blu-ray Creator an ideal choice for users looking to create professional-quality Blu-ray discs with ease and precision, while maintaining the integrity of the original media content.

Key Features of Yuhan Blu-ray Creator

• Support passthrough and transcoding modes.
• Supports multiple audio tracks, multiple subtitles and external subtitles.
• Supports 20+ disk menu templates and many custom options.
• Output Blu-ray folder, ISO, or burn to disc.
• Automatically import chapter information and support custom chapters.
• Retain EAC3, TrueHD(Dolby Atmos), DTS HD high-quality audio。 
• Available for Windows (11/10/8/7) and Mac (10.15 and above).

Steps to convert MKV to Blu-ray with Yuhan Blu-ray Creator passthrough mode

Before we start, we need to download and install Yuhan Blu-ray Creator. If your computer is Windows, please click the red button below to download the Windows version, and if your computer is Mac, click the blue button below to download the Mac version.

Step 1: Add MKV file

After launching Yuhan Blu-ray Creator, click the "Blu-ray" tab at the top to specify that you want to create a Blu-ray disc. Then, click "Add Video" to add the MKV file. Since passthrough mode does not involve re-encoding, ensure that the video and audio in the MKV file meet the Blu-ray standards, such as H.264 encoding for video, 1080P resolution, and audio formats like EAC3, TrueHD (Dolby Atmos), or DTS HD.

Step 2: Video settings (optional)

Click the "Edit" icon on the right side of the loaded media item to open the video settings window. Here, you can trim the video by specifying the start and end times. Additionally, you can customize chapters and set the language for the audio track and subtitles.

Step 3: Select a menu template and customize it

Click the "Select Menu" button on the main interface to enter the menu settings window. First, choose a menu template from the options on the right. Then, customize it using the settings on the left. You can double-click any menu item to open the customization dialog box. Additionally, you can set a background image and background music for each menu page.

Step 4: Advanced settings

To use passthrough mode, open the software settings dialog box and select "Passthrough" under the "Blu-ray & UHD Processing Mode" option.

Step 5: Output settings

Click the "Start" button on the main interface to open the output settings dialog box. Here, you can choose to output the content as a Blu-ray folder, an ISO file, or burn it directly to a disc. Additionally, you can set the disc label, default audio track, and default subtitle.

Step 6: Start authoring

After completing all the settings, click the "Start" button to begin the Blu-ray creation process with Yuhan Blu-ray Creator. Once both progress bars reach 100%, the production is complete.

2.Convert MKV to Blu-ray with TSMuxer

TSMuxer is a powerful tool for merging video, audio, and subtitles into a single transport stream or Blu-ray structure. It utilizes passthrough mode, allowing you to create Blu-ray discs with original quality. Because it uses passthrough mode, the video and audio of the loaded MKV files must meet Blu-ray specifications.

Steps to Convert MKV to Blu-ray with TSMuxer:

1.Download and Install TSMuxer: Visit the Videohelp(https://www.videohelp.com/software/tsMuxeR)and download the latest version. Extract the files and run the TSMuxer GUI.

2.Open TSMuxer GUI: Launch the application on your computer.

3.Add MKV Files: Click on the “Add” button to load the MKV files you want to convert.

4.Select Tracks: TSMuxer will display the available tracks in the MKV file. Select the video, audio, and subtitle tracks you want to include in the Blu-ray disc.

5.Choose Output Format: Select “Blu-ray ISO” or “Blu-ray folder” as the output format.

6.Set Output Directory: Specify the destination folder for the Blu-ray files.

7.Start Muxing: Click the “Start Muxing” button to begin the conversion process. TSMuxer will create the necessary Blu-ray structure in the specified directory.

Part 4. Conclusion

Converting between MKV and Blu-ray formats using passthrough mode is an effective way to maintain high-quality audio and video. Passthrough mode offers numerous advantages, including quality preservation, faster conversion speeds, and resource efficiency. By utilizing tools like MakeMKV, MKVToolNix, Yuhan Blu-ray Creator, and TSMuxer, users can easily convert their media files while ensuring the best possible output quality. Whether you are converting Blu-ray discs to MKV for convenient storage or creating Blu-ray discs from MKV files for home entertainment, passthrough mode provides a reliable solution for your media conversion needs.

If you want to learn more about Yuhan Blu-ray Creator, please click: https://yuhanmedia.com/bd-creator

If you want to download and try it for free, please click the button below to download it.