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Thread: Syncing audio without crossfades: overlapping?

  1. #1

    Default Sony Vegas 9.0b: Syncing audio without crossfades: overlapping?

    heylo all!

    i've been using Vegas on and off for many years, but i'm having trouble
    doing some what i consider simple audio waveform editing in Vegas 9.0b.

    i have some audio that has been cut into sections and needs to be
    spliced back together. in the past, i have been able to overlap two waveforms
    (with auto crossfades off), zoom in extremely tight and sync them up exactly
    with the two waveforms overlapping.

    my problem now is that when i drag one waveform over the other,
    Vegas makes the waveform further down the timeline dominant.
    one waveform completely covers up the other. i need to see both
    waveforms so i can line them up correctly.

    i've searched for a switch or an option, but i can not seem to find it!

    also, how can i make it easier to see the waveforms once they are overlapping?
    using crossfades, i can barely see the waveform underneath.

    thanx for the help!
    sir demon brown
    Last edited by sirdemon; 10-22-2009 at 05:07 AM.

  2. #2

    Default

    Quote Originally Posted by sirdemon View Post
    i have some audio that has been cut into sections and needs to be
    spliced back together.
    If I am correct in understanding what you are saying is it this:

    Is this what you have, for example, 3 separate Events on one Track?

    Audio Track: [ . . Audio1 . . . . ][. Audio1 . ][. . .Audio1. . . ]

    and is this what you want?

    Audio Track: [ . . . . . . . . . . . . . Audio1 . . . . . . . . . . . . . . . . . ]

    If this IS the case then delete the last 2 Events and stretch out the First Event. No need to use the waveform matching.

    Or have I got this wrong?

  3. #3

    Default

    you've got it wrong...

    here's the situation...

    i have audio from old reel to reel tapes.
    because these tapes are really old (20 years), they have deteriorated.
    in order to capture the audio at the best quality, i had to capture the audio in
    1 minute increments. stop the tape. clean the heads. and the start recording again
    from roughly the same position that i stopped.

    i've used Vegas for over 10 years and it was always easy to do this before,
    but now i can't for the life of me find the stupid settings switch or option that allows
    me to overlap/overlay audio without using a crossfade.

    in the past i used Vegas Audio as my DAW.
    i actually rarely edit video. i have moved on to Ableton for audio,
    but for this project i thought the editing functions in Vegas would
    be much easier for me to piece together 8 separate tracks of audio
    since i had done similar things in the past. maybe i need to install an
    older version of Vegas?
    Last edited by sirdemon; 10-22-2009 at 06:17 AM.

  4. #4

    Default

    Quote Originally Posted by sirdemon View Post
    you've got it wrong...
    Well, it's a start anyway.

    Quote Originally Posted by sirdemon View Post
    i've used Vegas for over 10 years and it was always easy to do this before,
    but now i can't for the life of me find the stupid settings switch or option that allows
    me to overlap/overlay audio without using a crossfade.
    So are you saying you get a small audio OFFSET fade? When I read somebody having a CROSSFADE it really means that they have slid ONE Event over another. Are you saying you have a minuscule OFFSET? Is that it? And you want to remove that? You want a clear CUT "IN" and "OUT"?

    Quote Originally Posted by sirdemon View Post
    be much easier for me to piece together 8 separate tracks of audio since i had done similar things in the past. maybe i need to install an
    older version of Vegas?
    Tracks are arranged Vertically in Vegas. So I'm guessing what you call Tracks, Vegas calls Events. This means we CAN have many Events on one Track.

    So if you are "piecing" together you are assembling all your capture Clips/Tracks as Events on a single Vegas Timeline as a single AUDIO TRACK. Yes? And you want to have a seamless "audio" connection between many Events. Yes? What do you understand a Crossfade to mean?

  5. #5

    Default

    The only method I am aware of with Graphically aligning Audio Waveforms in VEgas is to place the NEXT Event on Track 2?

    Something like this:

    Track1 -[ . . .Event1 . . . ]-------- [ . .Event 3 . .]----------------
    Track2 -----------------[ . . Event2 . . ]----------- [ . .Event4 . . ]

    This ways you get to "see" the waveforms of the Audio and then align.

    I think maybe the confusion has set in as a result of the use of the words that professionals like yourself, call audio tracks "Tracks" while in Vegas at the Timeline these same tracks are referred to Events and that these Events lay on Tracks.

    So hopefully I've offered you a way to graphically align Audio Waveforms of "Events" to marry back up.

    Now, there IS a switch in Vegas that allows one to split onto to A:B expanded track timelines. That's Expand Track Layers. But that only works for Video Tracks not Audio - AFAIA.
    Last edited by Grazie; 10-22-2009 at 07:17 AM. Reason: had to get graphic to work!!

  6. #6

    Default

    yes, i want to slide one audio EVENT over the other so that both
    EVENTS coexist at the same time with NO fades on the same Track.
    this allows me to precisely align the waveforms at the highest magnification.

    maybe my memory is failing me, but i swear i was able to do this in older versions of Vegas.

    doing it on separate Tracks is possible, but not as not as elegant.
    by having the EVENTS overlapping, one can gently slide one EVENT until
    it perfectly locks with the other.

  7. #7

    Default

    Well, I've done some further research on this - dog with a bone me! - AND have opened up Vegas Video 4 as well! And I still can't find a way to "overlap" the two waveforms and have them NOT being graphically obliterated/altered by each other. Pity . . . And you are absolutely sure that you had seen this within a Vegas product?

    I'm having to do some audio restoration for a client too and am doing part of this in SONY Sound Forge, and there we also have waveforms - of course! - and even there I can see away to align the graphics? Maybe there is. Do you think you were using Vegas Audio.

    Lastly, I just research Vegas Audio way back to 2000 and I can't find any reference.

    You don't think that you were snapping timecodes using a t/c of video that HAD audio strung to it?

    Anyways, my double TRACK and using visual is pretty good. REALLY expand the track height of each; get as close as you can; make loop selection and loop-play the section until it is audible smooth; peel back the overlap; select the Track2 Event and hit the "8" or UP button on the NumPad - will will pop UP the EVENT to TRACK1 and it will remain aligned. If you find that "snapping" is causing you problems then uncheck snapping.

    One last thought, is it possible to apply the audio equiv of timecode to audio captures? Sounds a daft idea of mine . . but .. ?

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