Latency in Some Algorithms

Tagged: Latency in Swtiching Presets EQ Comp Lag Slow Switching

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- November 8, 2015 at 5:42 pm #113009
  
  Ytolyccuz
  Member
  
  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,
  
  Ytolyccuz
- November 11, 2015 at 10:59 am #141504
  
  workingtitle
  Participant
  
  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?
  - January 11, 2016 at 2:38 pm #142112
    
    gkellum
    Participant
    
    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.
  - January 11, 2016 at 5:55 pm #142114
    
    wedelich
    Moderator
    Eventide Staff
    
    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.
    
    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?
- January 10, 2016 at 5:49 pm #142105
  
  workingtitle
  Participant
  
  I am surprised that it does not bother anyone. Is the latency maybe so bad on my device only? Is my H9 perhaps broken?
- January 10, 2016 at 6:43 pm #142106
  
  Ytolyccuz
  Member
  
  I’m actually bothered… I was forced to compensate by adjusting my playing. Thankfully most of the patches have acceptable latency.
- February 2, 2016 at 10:49 pm #142384
  
  wedelich
  Moderator
  Eventide Staff
  
  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.
- February 3, 2016 at 2:02 am #142391
  
  brock
  Participant
  
  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.
- February 3, 2016 at 10:50 am #142396
  
  workingtitle
  Participant
  
  It’s gotten a lot better in this release.
- February 4, 2016 at 7:32 pm #142429
  
  tzvip
  Participant
  
  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.
- February 4, 2016 at 8:53 pm #142431
  
  wedelich
  Moderator
  Eventide Staff
  
  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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