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#51
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Re: HDN why 96k
I haven't had to do anything special. Just make sure if you go out channel #1 to come back in on channel #1. I/O channels need to be matched for it to be compensated for.
I think that was the same for TDM also though.
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#52
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Re: HDN why 96k
Yep, same.....
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#53
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Re: HDN why 96k
Hey Barry,
Quote:
SB
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#54
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Re: HDN why 96k
It is not fair to compare TDM to HDN/HDX because they are two very different architectures.
TDM has very low latency with zero plugins, but once you keep adding plugins to your tracking session, the latency goes larger as you do your rough mix. It is not uncommon to see a 48k session with abour 500 samples of TDM plugin latency, which means that plugins alone contribute to about 10ms latency. Somehow it is just fine :) I have no experience regarding HDX, I'm a HDN user myself, but I have let myself understand that HDX too has very low latency only without plugins on the mixer. Once you keep adding plugins, you are also making latency bigger because the playback buffer is then added to the equation. Someone else can crunch the numbers, I don't know what's HDX base latency. HDN on the other hand only has hardware latency and playback buffer on the table, and you can keep adding plugins if your computer is up to the task, and it doesn't affect latency. Only the selection of playback buffer, or choosing LLM which I have never used, has an effect to the latency; and only the power of CPU dictates how many plugins you can use. Simplify. HDN with a modern computer is a godsend.
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Janne What we do in life, echoes in eternity. |
#55
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Re: HDN why 96k
Quote:
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Janne What we do in life, echoes in eternity. |
#56
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Re: HDN why 96k
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For example: HDX latency with no plugins one track in REC (Buffer 1024) 0.45ms 96kHz Add AAX-DSP version of Channel strip to Record Channel and Pro Compressor to Main output - monitor Main output 0.7ms latency Add Native Reverb on an Aux. Send Record enabled channel to Aux. RTL of the Direct signal is unchanged 0.7ms The Reverb is delayed by the ~the Buffer Acts as a predelay Load session with 20 more Audio tracks and as many plugins as you can. Mix AAX-DSP and Native. RTL for the REC enabled channel is unchanged. RTL for the REC enabled channel will only change if you add plugs to that channel (and if you put a Native one there it will go up huge and now be dependent on the DAW buffer) - OR - if you add plugins to the Master (or SubMaster) that is sending the audio out.
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2017 27" iMac 3.8GHz i5, 1TB SSD Logic ProX, Studio One V4, PT current version, Apogee Ensemble TB Musician: http://www.ivanlee.net/ Design Engineer: http://www.propowerinc.com/resume.html Last edited by propower; 01-18-2017 at 10:20 AM. |
#57
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Re: HDN why 96k
That is my point exactly; you don't have all plugins as AAX-DSP so you need to assume there will be AAX-native plugins in the mixer. So what is the real (delay compensated) latency for:
x tracks for drum kit one kit fx aux one kit group aux (route all x kit tracks and kit fx aux here) out master fader (route kit group aux here) let's say you have: - some fancy plugin on master that is native and has -say- 2500 samples of processing latency - DSP channel strip on all kit tracks - some of the kit tracks have fancy native "vibe" plugins - kit fx has a native reverb - kit group has a native glue comp What's the RTL on this demo kit recording session?
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Janne What we do in life, echoes in eternity. |
#58
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Re: HDN why 96k
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Native plugins directly on Rec enabled channels or in the monitor chain (on a submaster or Master) will make the latency at least (2X the DAW buffer/ Sample Rate) - just like Native. A Native Reverb summed to the master is no problem even if a send from a REC enabled track is used. Native plugins on non-REC enabled tracks also no problem. If you want to get low latency with an HDX recording chain the Record enabled channels themselves and their submasters/masters must be populated with only AAX-DSP. There are many plugins to paint with for tracking AAX-DSP - but you may very well have to make substitution for mixing. And you also have a valid point that If you load enough of the higher latency AAX-DSP ones (40 to 70 samples is common with 3rd party) you can take a very nice 0.7ms RTL up to several ms. Still independent of DAW buffer though...
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2017 27" iMac 3.8GHz i5, 1TB SSD Logic ProX, Studio One V4, PT current version, Apogee Ensemble TB Musician: http://www.ivanlee.net/ Design Engineer: http://www.propowerinc.com/resume.html |
#59
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Re: HDN why 96k
So... what that means is HDX is inferior in tracking with plugins, compared to HDN. Native buffer being equal in both, HDX takes additional latency hit if you use AAX-DSP
Right? That's probably why HDN@96k is popular
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Janne What we do in life, echoes in eternity. |
#60
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Re: HDN why 96k
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My understanding was with HDX, that it only took a hit, "if" you introduced non-DSP plug-ins to your mix . Assuming you use nothing but DSP based plug-ins, there would be no latency due to the usage of those plug-ins. Prior to starting this thread, that is one of the things that I had heard as it relates to the reason people record it 96, was that latency was much lower recording at 96 versus 44.1.
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