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  1. Hi.

    So I remuxed several PAL dvds using MakeMKV because I want to restore the files to their proper speed (get rid of PAL speed-up). I've done it successfully with AVC codec files before, but those not being re-encoded, the format is MPEG Video.

    I've slowed down the audio and used this command line to batch convert the files to 23.976 fps:

    for %%F in (*.mkv) do ( "C:\Program Files\MKVToolNix\mkvmerge.exe" --ui-language fr --output "New\%%~nF.mkv" --no-audio --language 0:eng --default-duration 0:24000/1001p --fix-bitstream-timing-information 0:1 --language 0:eng "%%~nxF" "%%~nF.ac3" --track-order 0:0,1:0 )
    It works fine, they play properly at the new frame rate on my computer. The issue is when I play the files directly on my smart TV, the playback is jerky, I've tried two Blu-ray players as well and it's the same.
    The playback is smooth with MKV files with AVC spec, so I'm assuming MPEG Video is trickier to convert without re-encoding? (the files are also flagged as interlaced). Does anyone have a solution?

    Here's the mediainfo for one file (after conversion to new frame rate):

    General
    Unique ID : 4641677125443864067923835415291516482 (0x37DF459E71A083B9B8445F6AD8C5642)
    Complete name : E:\Download\\New\S03E03 - The Bus Stops Here (1).mkv
    Format : Matroska
    Format version : Version 4
    File size : 1.91 GiB
    Duration : 46 min 26 s
    Overall bit rate mode : Variable
    Overall bit rate : 5 886 kb/s
    Encoded date : UTC 2020-10-13 22:44:49
    Writing application : mkvmerge v37.0.0 ('Leave It') 64-bit
    Writing library : libebml v1.3.9 + libmatroska v1.5.2

    Video
    ID : 1
    Format : MPEG Video
    Format version : Version 2
    Format profile : Main@Main
    Format settings : BVOP
    Format settings, BVOP : Yes
    Format settings, Matrix : Default
    Format settings, GOP : M=3, N=12
    Format settings, picture struc : Frame
    Codec ID : V_MPEG2
    Codec ID/Info : MPEG 1 or 2 Video
    Duration : 46 min 26 s
    Bit rate mode : Variable
    Bit rate : 5 692 kb/s
    Width : 720 pixels
    Height : 576 pixels
    Display aspect ratio : 4:3
    Frame rate mode : Constant
    Frame rate : 23.976 (24000/1001) FPS
    Original frame rate : 25.000 FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Interlaced
    Scan order : Top Field First
    Compression mode : Lossy
    Bits/(Pixel*Frame) : 0.572
    Time code of first frame : 01:00:00:00
    Time code source : Group of pictures header
    GOP, Open/Closed : Open
    GOP, Open/Closed of first fram : Closed
    Stream size : 1.85 GiB (97%)
    Language : English
    Default : No
    Forced : No

    Audio
    ID : 2
    Format : AC-3
    Format/Info : Audio Coding 3
    Commercial name : Dolby Digital
    Codec ID : A_AC3
    Duration : 46 min 24 s
    Bit rate mode : Constant
    Bit rate : 192 kb/s
    Channel(s) : 2 channels
    Channel layout : L R
    Sampling rate : 48.0 kHz
    Frame rate : 31.250 FPS (1536 SPF)
    Compression mode : Lossy
    Stream size : 63.7 MiB (3%)
    Service kind : Complete Main
    Default : Yes
    Forced : No

    Menu
    00:00:00.000 : en:Chapitre 01
    00:02:09.120 : en:Chapitre 02
    00:08:44.640 : en:Chapitre 03
    00:18:44.640 : en:Chapitre 04
    00:28:44.640 : en:Chapitre 05
    00:38:44.640 : en:Chapitre 06
    00:44:00.960 : en:Chapitre 07
    00:44:30.800 : en:Chapitre 08
    Thank you.

  2. I'm a Super Moderator johns0's Avatar
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    Please do not open another thread on a subject you already started,this thread is closed,please resume here-

    https://forum.videohelp.com/threads/399150-Batch-convert-mkv-files-to-different-frame-rate
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