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How to edit a bluray .m2ts file in sony vegas without re-rendering (losslessly)

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Darius Sjolander
How to edit a bluray .m2ts file in sony vegas without re-rendering (losslessly)
on Sep 3, 2014 at 9:24:13 pm

Hi I would like to edit a bluray .m2ts file in Sony Vegas 13 however when I add it to the project the sound does not import, just the picture. Also I want to render an edited version of the bluray video without any recompression/re-rendering or any loss or change of quality whatsoever. What is the best thing to do in terms of workflow?

This is the details of the video:

General
ID : 0 (0x0)
Complete name : C:\Temp\BDMV\STREAM\00003.m2ts
Format : BDAV
Format/Info : Blu-ray Video
File size : 21.8 GiB
Duration : 1h 27mn
Overall bit rate mode : Variable
Overall bit rate : 33.5 Mbps
Maximum Overall bit rate : 48.0 Mbps

Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Codec ID : 27
Duration : 1h 33mn
Bit rate mode : Variable
Maximum bit rate : 35.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio #1
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : DTS
Format/Info : Digital Theater Systems
Format profile : MA / Core
Mode : 16
Format settings, Endianness : Big
Muxing mode : Stream extension
Codec ID : 134
Duration : 1h 33mn
Bit rate mode : Variable
Bit rate : Unknown / 768 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Compression mode : Lossless / Lossy

Thanks
I would really appreciate any help


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chris king
Re: How to edit a bluray .m2ts file in sony vegas without re-rendering (losslessly)
on Sep 4, 2014 at 2:52:07 am

The M2TS file type is a compressed output format, but not ideal for editing in NLE system. To solve those problems, the quick workaround is to transcode M2TS files to Sony Vegas natively supported formats (MPG/MOV are highly recommended). During the process, it may cause a little loss but can ignore as I’ve tried it.


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Darius Sjolander
Re: How to edit a bluray .m2ts file in sony vegas without re-rendering (losslessly)
on Sep 4, 2014 at 6:31:06 pm

Is transcoding really a quick workaround? Is there no way I can just open the .m2ts and also get the audio tracks to show since Sony vegas only opens the video, I don't mind rendering the final edited output as .mp4 I just don't want intermediate conversion steps. Thanks.


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