Latency with LLM + Sends Persist Normal?
Kind of a hard question to describe, but I’m using an Apollo twin into pro tools 2019.6 ultimate (not sure if that matters) and monitoring thru console.
For tracking guitars I’ve been wanting to use the “sends persist” function and run a delay or reverb while utilizing LLM (since I’m monitoring thru console). My buffer size I have set to 128 (anything lower and there is no noticeable difference other than higher CPU usage). With a simple delay setup on the send, I’ve noticed that I get a slight hesitation in the signal hitting the delay plugin. I’m assuming this has to do with the difference of monitoring thru console, and the audio running thru PT’s playback engine, but is there any way to reduce this at all? Mind you, this is all going thru a writing template that I’ve built which has a lot of busses and returns so I can call up whatever on the fly and when it comes time to mix, it would be an easy segue. Also, I did route my tracks that I usually track just straight to my main outs instead of running them thru any bussing, and noticed a little less latency, but it’s still not quite there. Any ideas or thoughts and reducing this? |
Re: Latency with LLM + Sends Persist Normal?
Nope. Buffer size reduction is all you can do.
You might want to run the delay in console instead. |
Latency with LLM + Sends Persist Normal?
Yes BScout is correct on both fronts
Nothing can be done besides lowering Buffer and you should utilize the console for that delay. Even in the console there is (bad) delay (latency), it’s been proven - search if your curious This is the major reason I love my HDX card ......sure it’s a one trick pony but dang that’s a nice trick |
Re: Latency with LLM + Sends Persist Normal?
Quote:
Hope this makes sense. |
Re: Latency with LLM + Sends Persist Normal?
Here's the easiest way to fix this within Pro Tools: on the aux track that has your delay plugin, find the delay compensation readout in the mix window (says "cmp" followed by number of samples, at the very bottom of the channel strip). If you right click on that, there is an option to disable delay compensation for that track. Do it.
With delay compensation enabled, Pro Tools is holding back the output of that aux track so it lines up with other non-record-enabled tracks that have incurred processing delay from inserted plugins, which you don't want in the case of cue effects on an aux. Of course, you will want to re-enable delay compensation on your aux track later on if you are going to use it in the mix. Perhaps my explanation is slightly confusing because you are using a delay effect plugin, and we're also talking about processing delay compensation... but I think you get the idea. |
Re: Latency with LLM + Sends Persist Normal?
Ok I’m going to attempt all of this and will report back.
Thank you all for the suggestions! |
Re: Latency with LLM + Sends Persist Normal?
Following up here.
So ultimately what I found was that my bussing was creating the latency. It works for mixing but not so much for tracking and using the sends persist option. Back to running all thru console! |
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