Adrian
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Tips for using auto latency compensation - 2005/06/25 21:58
The Wormhole2 auto latency compensation feature is its most complicated part and that's why I want to give you some tips about how to use it here.
Auto latency compensation works by sending a pulse through a completed insert loop. Then wh2 measures the time duration in samples until the pulse comes back.
That way the whole latency of the connection and all the "inserted" plugins is measured at once.
Of course WH2 can't know where the latency is coming from, so you have to take some stuff into consideration.
If there's a reverb in the chain, it might have a predelay, which WH2 would measure as added latency. If you have a chorus in the chain, latency will vary because a chorus is basically a modulated delay. The solution to this problem is to feed a tiny bit of the dry signal through all the plugins.
A delay in the chain might not work as this does weird things to the pulse being sent through.
It seems now that WH2 (2.0) sometimes has problems with the measurement if the buffer settings are low (in WH). It's recommended to use buffer sizes of about 4000 to use the auto latency feature. That way the pulse will be sent through a bit later, when the connection is more stable.
If you have any signs of an unstable connection (small amounts of dropout,...) don't even try to use the auto latency feature as the measurement will certainly fall.
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