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Help with Syncing Audio Tracks?!

Discussion in 'Microphones (live or studio)' started by mark, Apr 11, 2001.

  1. mark

    mark Guest

    Can anyone please give me some tips and techniques for syncing up audio tracks? I'm using Nuendo, which I love very much, but I'm having one helluva hard time getting my audio tracks syncopated and tight with each other. There's gotta be some basic methodology or some tricks that I'm missing here. I know some of you have this one down... can you please help a brother out?
  2. miroslav

    miroslav Active Member

    Mar 13, 2001
    The Hudson Valley - NY State - USA
    Without knowing any specifics of how you are recording your tracks...I'll take a shot.

    A simple, but not the only solution.

    Track 1: Lay down nothing but a metronome click-click-click at the tempo of your tune.

    Track 2: While playing back the click on Track 1, record Track 2.

    Track 3: While playing back the click on Track 1, (you can also play back Track 2), record Track 3

    And so on...

    You can use the single beats of the Track 1 click waveform, as a guide for how much you want to push/pull any other individual track forward/backward, thereby synching them and/or adjusting their "feel".

    If it is supposed to fall "righ on" the downbeat...then line it up right on with the click beat.

    This should all be visible in the Nuendo editing windows. Zoom in as needed to better see the attack/peak/decay of any specific beat/note.

  3. j.hall

    j.hall Guest

    what kind of sync are you talking about

    locking to picture sync
    playing along with another track sync
    you moved something and need to get it back where it goes

    more input is required

    if you are locking to picture or any sort of time code related thing
    sync is all about the code
    the reader has to be set to all the right parameters in order to lock (of course their are exceptions)
  4. mark

    mark Guest

    Thanks for the help so far, fellas. It's greatly appreciated. It's a very simplistic situation, as I'm in the process of moving from MIDI sequencing to audio sequencing, and I'm still learning the basics.
    Here's a simple scenario:
    I drop a loop in from a CD, then drop another loop in, and I need them to be in time with each other. I know this really involves using Nuendo's Timestretching functions, and I can't get that to work either! Every time I change one parameter, all the others change, too!

    You can see why I'm in the beginner's forum!

  5. Ang1970

    Ang1970 Well-Known Member

    Sep 5, 2000
    I was going to suggest you ask in the Nuendo forum, but it looks like you beat me to it.
    Good luck. :)
  6. mark

    mark Guest

    Well, it's not necessarily a Nuendo thing, although the Timestretch function is. I'm looking for general info, like: can you look 2 waveforms, and just try to line up the peaks? Is that what people do?
    The Nuendo forum (albeit just getting started) doesn't seem to get much traffic.
  7. j.hall

    j.hall Guest

    OK here is the disclaimer
    i am pro tools based....that is where all my knowledge lies in the DAW editing

    lining up the peaks:
    well....i think that won't work to great
    ok maybe it will but you will have to be zoomed way in and it will take a long time to get this done

    i say the best way to do it, in the limited info of your situation i have, start with "loops" or samples that are at the same tempo

    maybe you already are doing that...i dunno

    if the CD's you are using have a four count
    that would rock....you can just line up the four count

    with out seeing it, hearing it, and messing with it myself, it would say.....keep trying and i sure hope this is helping rather then confusing....at this point i am not sure myself

    in Pro Tools the time compression/expanssion
    acts in a simaliar way you explained yours

    if you move the ratio a few other things move too, however the other things are just displaying the relative time you are working with

    i have not had great success time compressing or expanding music with out noticeable changes in the sounds
    ESPECIALLY expanding

    i hope that gave some insight at the least,
    maybe its all wrong for your situation,
    j.hall :p
  8. mark

    mark Guest

    Thanks, it all helps!
  9. Ang1970

    Ang1970 Well-Known Member

    Sep 5, 2000
    Ok, working with loops...

    The first thing is to get everything to loop properly at the same tempo. Do your timestretching first. Always keep a little bit extra before and after the desired looping region, this way you can adjust truncation later for "feel" purposes or if you need a crossfade.

    Once all your loops are at the same tempo, you can either line up the peaks visually, or nudge them while playing. I like to do a little of both. I'll start with visual, and then listen to see if it feels right. I've been in situations where I had to nudge by the sample to get the proper phase relationship. Ya, that's anal, but it really makes a difference in the end. (Or so I keep telling myself.)

    Like jhall, I also use PT. On Nuendo you may find different methods easier/faster. Sorry I can't get more specific for your platform.

    Hope that helps.
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