Re: HDX vs Native
 

Janne, I'll try that when I get another chance to play around. But it doesn't change the fact that on HDX I can throw plugins around with gay abandon regardless of what they are - as long as they're DSP - and my latency doesn't increase, and the pressure on the buffer size setting doesn't increase. And I can introduce any number of subgroups etc. This session had 29 tracks in record, 8 auxes, plus the cue feeds, monitoring etc.

On this particular session it might not have been such a big deal (four trombones, four trumpets and five saxes make so much noise anyway!) but on other sessions the band really seems to appreciate getting a semi-produced sound through their cans. It makes them feel good about what they're playing so I'm always rough-mixing as I go, even as the recording progresses. I suppose everyone does this.

Re: HDX vs Native
 

It seems like to me in hdx the headphone feed sounds correct no matter the playback engine buffer or dsp plugin count. Only time I've had an issue is if a aux channel used as sub master has a bunch of dsp and native plugins. Then the cans sound delayed. But if the sub master just has a dsp limiter or such then it still works fine. I'm usually at 512 playback buffer for vocalists. Changing it to lower buffer doesn't seem to affect latency. So I usually stay at 512 for tracking. I can even punch in on a track with a mix of dsp and native plugins. If the native plugs are first in the chain. They just get disabled at record and input.

For hdx tracking it pretty much set it and forget it. As long as you use aax dsp. No worry about anything else.

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Re: HDX vs Native
 

I've used them all dont get me wrong.. but it is still a matter of math to calculate the roundtrip latency. With zero plugins the difference is in the hardware. Add first native plugin and it's about the playback hardware plus buffer. Add first DSP plugin and it's the former plus DSP latency.

Whatever track-it-as-you-mix session I have ever had, the DSP latency has always been about 350 samples or more, although trying to be conservative. That is already +7ms @48k not taking ADDA into account.

So great if you have DSP and some of your goto plugs have lower latency on hardware (lowest i've seen on TDM were 3 or 4 samples) compared to native, but the fact is if you have ONE native plugin on DSP system you will also have playback buffer latency.

Hardware + Playback + DSP = total latency.

Re: HDX vs Native
 

Sweet. Also my experience on native systems since 2002 have been similar if you set playback buffer to 256 or lower. To repeat myself, 256 playback buffer makes "headphone feeds sound correct"

Re: HDX vs Native
 

Couldn't agree more. So I never use any native plugins on tracking sessions.

Re: HDX vs Native
 

True.. either or.. BUT you should be aware of the amount of samples your DSP mixer is demanding, whether it is smaller or larger than playback buffer.

Assuming same hardware of course. And assuming any given native plugin isn't introducing insane amount of delay (which is rare, because same plugin on AAXDSP should be faster).

Re: HDX vs Native
 

Yes for tracking it still is great, with DC’d outs and zero (perceptible) Latency on the in’s. And no 3rd party software hoops to jump through, sends from the PT mixer

It’s a one trick pony but that trick is very nice.

Re: HDX vs Native
 

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Good one

Re: HDX vs Native
 

Because the 128 buffer is ON TOP of the time to pass through the native (host) processor. That time is ALWAYS there unless you are using hardware to bypass it (like HDX). You can't just count the buffer size and call that latency, it doesn't work that way. HDX RTL remains significantly lower than native solutions, and many musicians do indeed have exquisite sensitivity to latency.

Re: HDX vs Native
 

I know, some divas are even sensitive to the temp of drinking water they are being served.

Nevertheless, HDN rtl 96k@128 buffer is 3ms (don't remember who measured this but thanks anyway) which is pretty darn good. I still use my trusty old HD rig on live gigs and never ever my real life mixer has less than 350 samples of DSP latency (@48k) which means +7ms just for processing plugins. I have never had HDX of my own so don't have any numbers for it.

Latency is only noticeable when it's too much; you either can monitor or you cannot. But sure, if you have a bad day changing that drinking water to colder one may make your guitar solo shine. I understand that.