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#1
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Metering Classic vs Sample Peak
Does it matter what Metering I have it set to? I have read that some people use Sample Peak while recording cause it helps them from not getting the signal to hot. I always have recorded with the Classic setting and my level has been somewhere between -10 and max is -12. If it goes over that I gain reduce it
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Macbook Pro Mac OS 10.10.3 Mbox 2, Pro Tools 11 |
#2
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Re: Metering Classic vs Sample Peak
Does anyone know about this?
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Macbook Pro Mac OS 10.10.3 Mbox 2, Pro Tools 11 |
#3
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Re: Metering Classic vs Sample Peak
I'm not sure I follow the question or why you are asking if things are working Ok now? The differences between the two types you are looking at are just ballistics/decay times.
The meter behavior is briefly described in the Pro Tools 11 Reference Guide. Just play with them and see what you prefer. If you are not clipping and the signal is some reasonable level (like it is) you don't have a problem. And just don't worry about trying to chase up your levels any higher than now. By "gain reduce" I hope you mean turn down the preamp gain, not use clip gain? |
#4
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Re: Metering Classic vs Sample Peak
BTW besides just flipping between meter types to see, you can put one meter type on a standard audio track and the other on a master fader, just track with or playback that single track with no signal change at all into the output bus and compare the behavior of the meters side by side.
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#5
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Re: Metering Classic vs Sample Peak
I mean using a trim plugin to reduce the input in prefader metering option
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Macbook Pro Mac OS 10.10.3 Mbox 2, Pro Tools 11 |
#6
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Re: Metering Classic vs Sample Peak
NO! That is what preamp gain is for. Your need to stop your input converter from clipping. And be far enough below 0dBFS that the transients don't clip. If your converter is already clipped the signal, then it's damaged/gone forever, you can't magically recover those missing digital bits by trimming it with a plugin.... and you don't really need to pay ultra close attention to any levels after that, e.g. when mixing because everything infernally now processed or mixed at 32 and 64 bits floating point, so lots of headroom. You only need to obsess again about levels when you output to a DAC or file (although a 32-bit float output again means you are not likely to clip).
Last edited by Darryl Ramm; 03-14-2015 at 11:21 PM. |
#7
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Re: Metering Classic vs Sample Peak
What he said.
First consider that a 24bit fixed-point wav file has 144dB theoretical dynamics. Then take a close look at your converter specifications. If it says it has 124dB dynamics (that would be a good one), then you lose nothing if your levels PEAK at 124-144=-20dBFS which would be a nice headroom for occasional transients higher than the meter ballistics can show you. Yellow is the new red.
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Janne What we do in life, echoes in eternity. |
#8
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Re: Metering Classic vs Sample Peak
You need to understand both sides of the story, analog and digital.
Digital side is easy. As I already said, take a look at your AD converter spec and do the math. Having a 124dB dynamics means you don't gain anything if your peaks are higher than -20dBFS. Record higher than that and you are amplifying noise and sacrificing transient headroom. This is pure math, nobody can disagree. Analog side, though, is more tricky. You need to know how to output a perfect analog signal to the AD converter. But that is not the discussion here. Just that whatever you feed to the converter determines the signal-to-noise ratio and therefore the amount of noise you're converting.
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Janne What we do in life, echoes in eternity. |
#9
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Metering Classic vs Sample Peak
(there is no such thing as perfect analog signal. meaning as good as it gets)
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Janne What we do in life, echoes in eternity. |
#10
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Re: Metering Classic vs Sample Peak
Yes. Just turn up the damn monitoring volume (you have a knob for it, right?) instead of trying to kill the AD converters. Transients are lost very easily.
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Janne What we do in life, echoes in eternity. |
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