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  #1  
Old 03-28-2013, 03:38 PM
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Loudyman Loudyman is offline
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Default Some questions related to AUX tracks, ADC and recording.

Hi,

I have a doubt concerning the behaviour of ADC with AUX tracks ;

On a TDM system, with global ADC on:

1) Let's say I have several audio tracks (drums) routed to an AUX track, to create a drums bus.

If I put plugins on that AUX track, will it be compensated by ADC ?

Sorry if it's obvious, but sometimes ADC confuses me!



2) I know that using RTAS plugins on AUX tracks eats up voices, but are there any other downsides ?

I remember a thread where it was recommended to use RTAS in inserts and TDM in sends, but I don't remember all the reasons.



3) What is the usual way to record a track with an effect without printing it ?

For example, I want to record a voice without any effects, but the singer needs to hear a reverb (plugin) while recording;

How would you do the chaining in Protools ?



I didn't find the answers in the manual.....
Your help is welcome !

Thanks,
Ludo.
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Mac Pro 8 cores Intel Xeon harpertown 3Ghz (Early 2008)| ATI radeon HD 2600 XT | 16GB RAM | 750GB system drive + 3x1TB drives |
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HD3 PCIe Accel |
192 I/O |

Last edited by Loudyman; 03-28-2013 at 04:29 PM.
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Old 03-28-2013, 04:41 PM
Craig F Craig F is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

1)
mixes yes, ADC compensates correctly
tracking no, I find ADC is off

2) potently exceeding ADCs limits if the H/W Buffer is to high

3) the same way I would on a Neve or SSL,
a send from the vocal track to an Aux with a verb plug on it
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Old 03-28-2013, 05:25 PM
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Loudyman Loudyman is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

Thank you Craig,

1) Is it normal behaviour for tracking ?
I thought we had to desactivate them manually ?

I've read that ADC on tracks worked this way :

Audio Tracks REC armed = ADC Off
Audio Tracks REC off = ADC On

AUX Tracks = ADC Always On / Manually switch Off

Master Fader = No ADC

Isn't that correct ?
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Mac Pro 8 cores Intel Xeon harpertown 3Ghz (Early 2008)| ATI radeon HD 2600 XT | 16GB RAM | 750GB system drive + 3x1TB drives |
MAC OSX 10.6.8 | Protools HD 10.3.2 |
HD3 PCIe Accel |
192 I/O |
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Old 03-28-2013, 05:29 PM
Craig F Craig F is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

I thought you were talking:
Input > Aux Track > Audio Track
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Old 03-28-2013, 06:03 PM
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Loudyman Loudyman is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

Quote:
Originally Posted by Craig F View Post
I thought you were talking:
Input > Aux Track > Audio Track
No problem !

However, is it the way ADC works ? :

Audio Tracks REC armed = ADC Off
Audio Tracks REC off = ADC On

AUX Tracks = ADC Always On / Manually switch Off

Master Fader = No ADC



3) So, if I understand well, in this case: Vocal track send > Aux with a verb


While recording, the ADC on the vocal audio track will be OFF, but the ADC on the Aux track will be ON ?


If I use a RTAS reverb on this Aux, the delay will be = RTAS plug delay + buffer delay

If I use a TDM reverb on this Aux, the delay will be = TDM plug delay


No matter if ADC is ON or OFF on the Aux track, these delays will be there, right ?
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192 I/O |
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Old 03-28-2013, 06:06 PM
Craig F Craig F is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

Quote:
If I use a RTAS reverb on this Aux, the delay will be = RTAS plug delay + buffer delay
H/W buffer delay x 2 (one to get out and one to get back in)

I don't know, I don't track with ADC active
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Old 03-28-2013, 06:08 PM
WernerF WernerF is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

Quote:
Originally Posted by Craig F View Post

I don't know, I don't track with ADC active
Why not?
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Old 03-28-2013, 06:51 PM
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Loudyman Loudyman is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

OK,

To reword my first question,

I have recorded everything, and I have a classic mix with drums, guitars, vocal etc...

If I want to make a subgroup for my drums for example, so I can put a nice bus comp plugin on it ;


A) what kind of track should I use and how to route everything ? (send or direct output........Audio or Aux tracks ?)

B) If it's an Aux track, does the ADC will compensate for the nice bus comp plugin on that Aux track ?


Again, I think it's a noob question, but when one doubt !
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MAC OSX 10.6.8 | Protools HD 10.3.2 |
HD3 PCIe Accel |
192 I/O |
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Old 03-28-2013, 06:53 PM
Craig F Craig F is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

a) Aux

b) yes
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Old 03-28-2013, 06:58 PM
Craig F Craig F is offline
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Default Re: Some questions related to AUX tracks, ADC and recording.

Quote:
Originally Posted by WernerF View Post
Why not?
a) ADC eats DSP chips

b) I don't do complicated bussing or use plug-ins when I track (aside from some reverb on Aux tracks but I shave a little off of the pre-delay for that)

when we go HDX I may reconsider
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