Latency in Some Algorithms

[Ytolyccuz]

Hi,

 

I love what the EQ Comp adds to my tone on some of my patches, however, I noticed that using this algorithm introduces a noticeable (and annoying) lag.

I haven’t noticed the other algorithms doing this and I hope that this is an isolated case because it gets in the way of the song.

 

Would really appreciate your help.

 

 

Regards,

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Ytolyccuz 

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[workingtitle]

The algorithm has 8.25 milliseconds latency. Thus it is not useful in real-time.

Will there be an improvement? Maybe an option to disable lookahead in the compressor?

 

[gkellum]

workingtitle wrote:

Will there be an improvement? Maybe an option to disable lookahead in the compressor?

Hey guys.  My colleague, Russ, who worked on this algorithm just had a baby and is out for paternity leave.  I'll ask him to take a look at this thread when he gets back.  

[wedelich]

gkellum wrote:

workingtitle wrote:

Will there be an improvement? Maybe an option to disable lookahead in the compressor?

Hey guys.  My colleague, Russ, who worked on this algorithm just had a baby and is out for paternity leave.  I'll ask him to take a look at this thread when he gets back.  

 

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Hi guys, 

 

I actually picked up this algorithm from another guy who no longer works at Eventide.  I was reluctant to change it b/c he had to leave so close to its release.  The compressor(s) were implemented as look-ahead compressors, I think to deal with some transient handling and/or clipping issues.  I've never liked the latency either, I can take away the look ahead delays and see if it drastically changes the sound or causes undo clipping. Even so, it might be worth the trade-off.  What do you guys think? 

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[workingtitle]

I am surprised that it does not bother anyone. Is the latency maybe so bad on my device only? Is my H9 perhaps broken?

[Ytolyccuz]

I’m actually bothered… I was forced to compensate by adjusting my playing. Thankfully most of the patches have acceptable latency.

[wedelich]

Ok, I removed the look ahead in the compressors for EQ Compressor to significantly reduce the latency.  This applies in the new SpaceTime release, H9 5.3.0[4].  Give it a try and let me know if it improves for you guys.  

[brock]

Not exactly a scientific assessment here, but the compressor is quite a bit snappier.  I didn’t try to measure latency, and the ‘combined’ compression parameters can make it difficult to compare & contrast.  But, hey … it plays well now.

[workingtitle]

It’s gotten a lot better in this release.

[tzvip]

After I did the recent update I played with the EQ-Comprossor algo and then I thought: “am I imaginning or the latency is gone?”.

So obviously you did a good job! Thank you.

[wedelich]

No Problem!  I'm liking it better myself as well.  As a bass player, I usually try to play behind the beat a smidge, but I always felt the EQ Compressor was putting me too far back, and on further inspection, it totally was, so thanks for speaking up and bring it to our attention.  

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