The new time-stretching in Kontakt 7 produces noise pops at start of sample

Rotomot · 2023-06-21T11:19:05+00:00

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The new time-stretching algorithm in Kontakt 7, which is using Zplane Elastique v3, produces loud noise pop/click at the start of sample playback.

I compared the algorithm to Reaper's Elastique 3.3.3 Pro, and there are no such noise pops in Reaper. It sounds like a bug in Kontakt 7.3.2.

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EvilDragon

I cannot confirm this over here, not without a NKI+sample which might reproduce the behavior.

Rotomot

https://community.native-instruments.com/discussion/comment/79134#Comment_79134

Please find the attached Kontakt NKI+sample.

Prop_saw_4.zip

The noise pop at start should be pretty obvious on almost any note. Try for example F2 (MIDI 53).

The problem is not specific to this particular instrument and sample. The same problem can be easily reproduced also using other samples.

EvilDragon

I used a bunch of my own samples and haven't had the pop, which is why I asked for a repro case.

Listening to your NKI, this is not what I would classify as a pop or noise, it's kind of like a minor dropout of sorts. And it doesn't seem to happen in K6 or if you set the legacy mode in Instrument Options->Voice Handling (you need to save NKI and reopen it for this to be applied).

Def seems like a regression of sorts, I'll report this internally.

Rotomot

https://community.native-instruments.com/discussion/comment/79188#Comment_79188

Thanks for reporting the problem internally to NI.

You can apply the changes in 'Legacy version' option also by temporarily changing to different source playback mode, like DFD, and then back to TM Pro.

Here is a scope comparison where the same note is played using different playback modes. The bug can be seen clearly in the middle waveform.

In the TM Pro (Legacy version Off) waveform the first 25 ms seems to be identical to the Sampler waveform.

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