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  1. whats best program to check videos like whats the video format and audio
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  2. Mediainfo. Hands down.
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  3. Member
    Join Date
    Mar 2008
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    United States
    Search Comp PM
    Probably mediainfo. It's mentioned in these forums in almost every thread
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  4. Originally Posted by natty View Post
    whats best program to check videos like whats the video format and audio
    ok thanks guys
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  5. I have just done a test on a short mini cam clip its just a test but it says the video is jpeg yet the file says .avi

    also how can you change the resolution

    Code:
    General
    Complete name                            : M:\DCIM\IOOMEDIA\SUN000.avi
    Format                                   : AVI
    Format/Info                              : Audio Video Interleave
    File size                                : 11.3 MiB
    Duration                                 : 24s 267ms
    Overall bit rate                         : 3 889 Kbps
    
    Video
    ID                                       : 0
    Format                                   : JPEG
    Codec ID                                 : MJPG
    Duration                                 : 24s 267ms
    Bit rate                                 : 4 714 Kbps
    Width                                    : 720 pixels
    Height                                   : 480 pixels
    Display aspect ratio                     : 3:2
    Frame rate                               : 30.000 fps
    Color space                              : YUV
    Compression mode                         : Lossy
    Bits/(Pixel*Frame)                       : 0.455
    Stream size                              : 13.6 MiB
    
    Audio
    ID                                       : 1
    Format                                   : PCM
    Format settings, Endianness              : Little
    Format settings, Sign                    : Signed
    Codec ID                                 : 1
    Duration                                 : 24s 145ms
    Bit rate mode                            : Constant
    Bit rate                                 : 256 Kbps
    Channel(s)                               : 1 channel
    Sampling rate                            : 16.0 KHz
    Bit depth                                : 16 bits
    Stream size                              : 755 KiB (7%)
    Alignment                                : Aligned on interleaves
    Interleave, duration                     : 128 ms (3.85 video frames)
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  6. The container is AVI.

    In the container is a video using MJPG codec together with an audio with PCM.

    To change the resolution you'll need to re-encode however most players (& TV) can upscale it. (and your cam may have other settings with different resolution)
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  7. Member
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    AVI is just a type of container used to hold video and audio. Most people associate DivX or XVid with AVI, but AVI is compatible with many other types of video and audio, including MJPEG video and PCM audio, as shown for your file.

    To change the resolution you would need to re-encode the video to the desired resolution. Cropping or padding may be necessary if the current aspect ratio is correct, but you want the resulting video to have a different aspect ratio.
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  8. Originally Posted by usually_quiet View Post
    AVI is just a type of container used to hold video and audio. Most people associate DivX or XVid with AVI, but AVI is compatible with many other types of video and audio, including MJPEG video and PCM audio, as shown for your file.

    To change the resolution you would need to re-encode the video to the desired resolution. Cropping or padding may be necessary if the current aspect ratio is correct, but you want the resulting video to have a different aspect ratio.
    ok but if i play this short clip in videolan the quality is terrible but if I play it in windows media player its much better so why when using videolan the quality is rubbish
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  9. Member Cornucopia's Avatar
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    Don't know for certain since we don't really know your file nor your installed system. But in general, the difference comes down to playback architecture & codec settings. Vlc uses its own set of portable decoders & demuxers, wmp uses existing installed OS/system Directshow decoders & demuxers. Often vlc has better performance than wmp but of course YMMV.

    Scott
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