Rip 4K Blu-ray with Dolby TrueHD 7.1 Audio

Diana Joan

Feb 04, 2017 05:12 am / Posted by Diana Joan | Categories: Hot Topics

Dolby TrueHD is a lossless multi-channel audio codec developed by Dolby Laboratories which is used in home-entertainment equipment such as 4K Blu-ray Disc. Dolby TrueHD offers up to 7.1 discrete channels of lossless audio. Along with adding two extra rear channels to the standard Dolby Digital formats, Dolby TrueHD 4K Blu-ray discs are encoded with more audio information per channel. When ripping 4K Blu-ray, it is likely lose the lossless audio. To keep Dolby TrueHD 7.1 audio in 4K Blu-ray ripping, your 4K Blu-ray ripper has to support Blu-ray lossless copy.

Right now, there are many Blu-ray Rippers on the market but only two apps support to lossless copy 4K Blu-ray, which is MakeMKV and Pavtube ByteCopy. Both the excellent two Blu-ray decrypters have the features: 1.Advanced Blu-ray disc decrypting; 2. The fastest speed to backup 4K Blu-ray to lossless MKV; 3. High-def video also needs to be guaranteed. But here we would choose Pavtube ByteCopy to rip 4K Blu-ray with Dolby TrueHD 7.1. Read MakeMKV vs. Pavtube ByteCopy

Why Choose Pavtube ByteCopy to Rip 4K Blu-ray?

Normally, 4K Blu-ray is encoded with HEVC and rip 4K Blu-ray to HEVC video is CPU heavy. If you want to copy 4K Blu-ray with TrueHD 7.1 audio rapidly, your Blu-ray ripping tool would better support NVIDIA CUDA acceleration. ByteCopy has joined H.265 NVIDIA to 30X Realtime 4K H.265 encoding in version 4.9.0.0 and higher version. This version and higher versions are designed to work with NVIDIA API to provide NVIDIA Graphics cards customers the ability to rip both DVD, Blu-ray and UHD Blu-ray to H.265 at up to 20x the speed of realtime conversions for 4K encodings.

Software availability:

Pavtube ByteCopy Trial version – A trial is free but the output video will have Pavtube logo in the middle. You may download a trial and see how it works.

Pavtube ByteCopy Retail version. A full version is offered at $42 by Pavtube Studio.

How to Rip 4K Blu-ray with Dolby TrueHD 7.1 Audio?

Step 1. Load 4K Blu-ray

Download, install and run Pavtube ByteCopy, and click the “Load from Disc”icon to import movie files from 4K Blu-ray Disc.

load Blu-ray

Learn: Blu-ray VC-1 to H.264 MKV with Dolby TrueHD/DTS-HD Master Audio

Step 2: Choose lossless MKV to output

To rip 4k Blu-ray to lossless MKV keeping Dolby TrueHD 7.1 audio, select “Multi-track Video” > “Lossless/encoded Multi-track MKV(*.mkv)”,  In this way you will get lossless audio streams without transcoding from original BD disc to MKV format.

Output lossless multi-track MKV format with 7.1 audio

Step 3. Check MKV codec and choose Blu-ray audio

Click “Settings” to open “Multi-task Settings” window, click “Audio” tab, check “Encode” and change Audio channel from Stereo to 7.1 to get encoded MKV files with Dolby TrueHD 7.1 audio saved. But you should make sure that the original Blu-ray disc contains TrueHD 7.1 audio, otherwise, you still can not get Dolby TrueHD 7.1 audio saved.

Encode Blu-ray to 5.1 audio track

Utilizing Nvidia GPU Hardware Acceleration In ByteCopy

If you make sure you will output HEVC video or H.264 video, you can use NVIDIA GPU acceleration in ByteCopy. Now, move your cursor to “Tools” button on the top of the main interface to choose “Options”. Then you can enable GPU Encode acceleration. You need to check if your graphic card supports CUDA acceleration from here. .

H.265 encoding acceleration

Step 4. Converting 4K Blu-ray with TrueHD 7.1 audio

When back to the main interface, click “Convert” button to start ripping 4k Blu-ray to lossless MKV format. After conversion you can click “Open” to find converted MKV file(s).

Pavtube ByteCopy extracts the main movie with all subtitles from disc and seals the contents with riginal TrueHD 7.1 audio saved into MKV container which means ripping Blu-ray lossless.  That’s it! Now you will have a great high definition Blu-ray with great audio experience!.

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