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#2403499 - Today at 09:35 AM Comparitive Latency of popular VIs... and the winner is...
dire tonic Offline
1000 Post Club Member

Registered: 07/17/11
Posts: 1814
Loc: uk south

...5th place was a surprise...

As is evident, the precise starting point is always a little vague but the picture should be clear, Ivory getting into its stride at around 10ms, pianoteq at around 14-15ms. Note, this is MIDI trigger to VST processing time only but the additional components (key depression, issuing of keyboard MIDI to PC - monitor-to-ear etc) being common to all VSTis, the variation in totals should exactly reflect the varation here.

My thanks to lolatu whose sterling work in quantifying typical AP latency aroused my curiosity about the relative performance of our currently most popular libraries. Though Pianoteq falls to last place in this test it should be clear from lolatu's overall estimate of 45ms for his AP - a result which ties almost to the millisec on the identical test I carried out on the AP here - that the extra two or three millisecs are relatively trivial.....contrary to what we might have been led to believe up until quite recently.

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#2403525 - Today at 11:18 AM Re: Comparitive Latency of popular VIs... and the winner is... [Re: dire tonic]
ElmerJFudd Online   content
Full Member

Registered: 01/07/10
Posts: 297
You'll have to give some detail about your latency measuring method for the results of your test to mean anything.

Pianoteq taking time to calculate sound creation shouldn't be surprising.

Edited by ElmerJFudd (Today at 11:20 AM)

#2403531 - 51 minutes 34 seconds ago Re: Comparitive Latency of popular VIs... and the winner is... [Re: dire tonic]
emenelton Online   content
500 Post Club Member

Registered: 08/02/09
Posts: 613
That is nice to see them all like that. My take away is number 3 has clearly triggered first. After that one and two trigger at the same time.

#2403552 - 4 minutes 9 seconds ago Re: Comparitive Latency of popular VIs... and the winner is... [Re: dire tonic]
MacMacMac Offline
4000 Post Club Member

Registered: 09/24/09
Posts: 4018
Loc: North Carolina
I have to agree with Elmer. Without knowing the test conditions, it's not possible to reach a valid conclusion.

My latency measurements (Vintage D inside of Kontakt) came in at 2.3 msec. So why are yours coming in at 2x to 4x slower? I guess it's because the measurement techniques differ ... which brings me back to Elmer's point. smile

Also, my experiences and impressions with Pianoteq leave me thinking that it exhibits the lowest latency of all ... quite the opposite of your results. (I don't like the sound of Pianoteq, but the apparent low latency gives a nice feeling of connectedness ... more so than any of the many sample sets I've used.)


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