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  1. Hello! I have 6 videos. How can I join them into one video?

    Mediainfo of one part:

    Format : MPEG-4
    Format profile : Base Media / Version 2
    Codec ID : mp42
    File size : 681 MiB
    Overall bit rate : 6 944 Kbps

    Video:

    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : Main@L3.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 4 frames
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 13mn 42s
    Bit rate mode : Variable
    Bit rate : 6 750 Kbps
    Width : 640 pixels
    Height : 480 pixels
    Display aspect ratio : 4:3
    Frame rate mode : Constant
    Frame rate : 30.000 fps
    Standard : PAL
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Interlaced
    Scan order : Bottom Field First
    Bits/(Pixel*Frame) : 0.732
    Stream size : 662 MiB (97%)

    Audio:

    Format : AAC
    Format/Info : Advanced Audio Codec
    Format version : Version 4
    Format profile : LC
    Format settings, SBR : No
    Codec ID : 40
    Duration : 13mn 42s
    Bit rate mode : Variable
    Bit rate : 192 Kbps
    Maximum bit rate : 293 Kbps
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 KHz
    Stream size : 18.6 MiB (3%)

    I have tried to join in Avidemux with video+audio copy, but it lost the audio sync.
    Thank you for the help!
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
    Join Date
    Aug 2000
    Location
    Sweden
    Search Comp PM
    Try a mp4 muxer like yamb.
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  3. I tried Yamb but it placed the videos in separete tracks, not joined them...
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  4. Try the pay software Boilsoft Video Joiner. (see screenshot)
    It worked for me when Yamb did not work.
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  5. No success with Boilsoft...
    It inserted my first part two times in movie...
    Here is a scheme about the final video maked by joining 2 parts:

    Video1------------Video1------------Video2---------
    Audio1------------Audio2------------no audio-------
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  6. Member
    Join Date
    Jan 2009
    Location
    United States
    Search Comp PM
    Easiest method is probably to use the newest VideoRedo software that supports H.264.
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  7. Member
    Join Date
    Nov 2002
    Location
    United States
    Search Comp PM
    Avidemux should join your files.

    Either use the append feature or drag and drop your mp4s. Use copy for audio and video and save as mp4.
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  8. VideoReDo crash after 10 minutes of work...
    AviDemux fails with audio sync...
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  9. Member
    Join Date
    Jan 2007
    Location
    Republic of Texas
    Search Comp PM
    Your video standard says PAL, yet your frame rate is 30fps and your aspect ratio is 640x480. Your audio stream is variable bitrate instead of constant bitrate, which may account for the audio sync issue. The video bitrate seems more appropriate for MPEG-2 than H264.

    Where did the video come from, and who encoded it? Since it is interlaced and bottom field first, I would guess that the original source was DV -- and NTSC at that. You may want to start over.
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