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#1
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Manual Delay Comp Problem
I'm having a problem with delay compensation. I've setup an analog loop from output to input. I have determined that the recorded track is off by 72 samples. That is, the recorded track is 72 samples later than the source track.
According to what I've read, I should be able to enter a "User Offset" in track view. However, no value I can enter moves the recorded track up. If I put positive values in … 72, 144, etc and re-record, the recorded track never moves up. If I put negative values in, the recorded track ends up moving the wrong way (even later). So it looks like positive values should work, but they aren't. So how do I get the recorded tracks to align to existing ones? I have Sonar on the same machine, and it has an option for manual sample offset where if I enter +72 and perform the same test, the tracks are sample perfect. |
#2
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Re: Manual Delay Comp Problem
Quote:
Delay compensation, manual or otherwise, only moves audio forward and not back. That is to say, if you are compensating for a track being 72 samples late, Pro Tools should move all the other tracks 72 samples later, rather than the one track 72 samples sooner. Make sense?
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#3
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Re: Manual Delay Comp Problem
No, I've got it right. You are describing plugin delay comp on playback. I'm talking about input (hardware) delay compensation when recording - specifically, I need compensate by a fixed amount.
It works the same in Cubase and Sonar (and it works in those). Regardless, +72 and -72 should compensate in opposite directions and they do not. Positive numbers do nothing. Looks like a bug. I guess I can nudge all new tracks into alignment. |
#4
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Re: Manual Delay Comp Problem
<bump>
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#5
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Re: Manual Delay Comp Problem
OK, the help file says ...
Quote:
FYI, I'm using an RME HDSP-9652 (PCI) with Focusrite pre-amps connected via lightpipe. |
#6
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Re: Manual Delay Comp Problem
Is it the recorded track that is 72 samples behind the rest of the tracks?
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#7
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Re: Manual Delay Comp Problem
you will have to manually nudge it by the amount that you need to
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#8
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Re: Manual Delay Comp Problem
alt+H
But really, if ur tracking all new from scratch, it doesn't matter much because everything will still line up.. jus 72 samps from the timeline...
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#9
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Re: Manual Delay Comp Problem
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Sonar, Cubase, Nuendo all can do this without nudging. I don't see how I can be the only person having this issue. Anyone using external DA/AD would have the same problem. Either I'm looking in the wrong place or everyone with similar setups to mine is hosed. |
#10
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Re: Manual Delay Comp Problem
Use the last tab in the IO setup section to manually enter the desired amount of compensation for a loop that goes out and back. I have done this with a straight cable and found 1.35ms was spot on. Your device may have some latency so you will need to experiment to find the exact amount for the external device.
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