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Synchronisation problem with mp3

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  • Synchronisation problem with mp3

    Hi, I found one bug with audio synchronisation. If I placed mp3 audio to A-timeline sometimes doesn't audio playback corresponding with lenght of graphics display on timeline (audio is longer than timeline display, mostly when I started playback in the middle of audioclip). Is it bug? Because I think that this problem is linked to mp3 bitrate, maybe.
    www.radekvolf.cz
    FMC TBU

    NLE system: Intel Core2Quad @2.4GHz, Intel DG965WH, 4GB DDR2 RAM, 320GB system HDD, 1TB video RAID, Contour ShuttlePRO2, Behringer BCF2000, HDSTORM+, Edius 5, Procoder 3, preview HD LCD iiyama ProLite E2209HDS
    Camera rigs: RED ONE, Sony PDW-EX3, tripod Vinten PRO-5DP and OConnor 1030HD, Letus35 Extreme and 15mm rig, Zeiss Prime Lenses, Redrockmicro mattebox, 4x5,65 filters, Redrock follow focus, Redrockmicro shoulder mount

  • #2
    Is it VBR? Go to the audio properties and expansion tab...if it says VBR, there's the problem.

    It's always best to decode your mp3's into uncompressed wav files and import then into Edius. Any sound application capable of opening MP3's will be able to do this.

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    • #3
      Yes, I have seen this before.
      I would contribute it to the fact that mp3 is a compressed file and as such it is not guaranteed to be decompressed the same way each time you play it.
      For what its worth, convert the mp3 file into 48KHz wave file. You will save yourself a lot of trouble…
      Rob

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      • #4
        Thank you, this is only way to produce correct audio synchronization...
        www.radekvolf.cz
        FMC TBU

        NLE system: Intel Core2Quad @2.4GHz, Intel DG965WH, 4GB DDR2 RAM, 320GB system HDD, 1TB video RAID, Contour ShuttlePRO2, Behringer BCF2000, HDSTORM+, Edius 5, Procoder 3, preview HD LCD iiyama ProLite E2209HDS
        Camera rigs: RED ONE, Sony PDW-EX3, tripod Vinten PRO-5DP and OConnor 1030HD, Letus35 Extreme and 15mm rig, Zeiss Prime Lenses, Redrockmicro mattebox, 4x5,65 filters, Redrock follow focus, Redrockmicro shoulder mount

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