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  1. Hi,

    I'm just getting started with Blu Ray authoring and burning and have a problem I can't fix. I'm taking HD video sent from my TIVO (using kmttg to stream to pc) and then using Video ReDo to cut commercials. A MPEG2 file is created that I want to author and simply burn to a Blu Ray disc without encoding again and losing picture quality. My problem is that some of the discs I've created will have very choppy video when played back on my Samsung player. I notice it in particular during fast moving scenes. I've tried Cyberlink Power Director 10, MulitAVCHD 4.1, and tsMuxer to author the discs from the same MPEG2 file and get the choppy video from each one. The strange thing is that the MPEG2 source file will play back without any choppiness using VLC player.

    I believe that the issue is related to the bitrate, but don't know how to determine it for sure. About half of my TIVO to Blu Ray conversions have gone very smoothly without any reencoding and there is no choppy picture problem. It's a sporadic problem and that makes it more frustrating to try to determine the root cause. I use ImgBurn to burn discs at 4x and Optical Quantum 25GB discs. I have not had a problem with any burned disc not playing in my player.

    My questions are:
    1. What can I do to determine if there is a problem with the video before I start the authoring or burning process?
    2. What is the best way to fix the video problem and maintain the best possible picture quality for the Blu Ray?
    3. If it's a burning issue, what needs to be done to solve the problem?
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
    Join Date
    Aug 2000
    Search Comp PM
    Post the details from the mpeg2 file. Use mediainfo.
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  3. Member
    Join Date
    Feb 2008
    Search Comp PM
    I think the problem lies with videoredo. Try using the file directly and see that whether the same choppy scene is occurring.
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  4. Thanks for your help.


    Complete name : L:\TIVO\Singin in the Rain.mpg
    Format : MPEG-PS
    File size : 9.49 GiB
    Duration : 1h 42mn
    Overall bit rate mode : Variable
    Overall bit rate : 13.3 Mbps

    ID : 224 (0xE0)
    Format : MPEG Video
    Format version : Version 2
    Format profile : Main@High
    Format settings, BVOP : Yes
    Format settings, Matrix : Custom
    Format settings, GOP : Variable
    Duration : 1h 42mn
    Bit rate mode : Variable
    Bit rate : 12.6 Mbps
    Maximum bit rate : 20.0 Mbps
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate : 29.970 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Compression mode : Lossy
    Bits/(Pixel*Frame) : 0.202
    Stream size : 8.98 GiB (95%)

    ID : 189 (0xBD)-128 (0x80)
    Format : AC-3
    Format/Info : Audio Coding 3
    Mode extension : CM (complete main)
    Format settings, Endianness : Big
    Muxing mode : DVD-Video
    Duration : 1h 42mn
    Bit rate mode : Constant
    Bit rate : 448 Kbps
    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 KHz
    Bit depth : 16 bits
    Compression mode : Lossy
    Stream size : 328 MiB (3%)

    ID : 224 (0xE0)-CC1
    Format : EIA-608
    Muxing mode : A/53 / DTVCC Transport
    Muxing mode, more info : Muxed in Video #1
    Bit rate mode : Constant
    Stream size : 0.00 Byte (0%)
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