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06-15-2017, 08:10 AM
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#1
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Human being with feelings
Join Date: May 2010
Location: Norway
Posts: 7,318
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Q: Transient shaper
Hi!
Just a question regarding transient shapers:
Is
-3db attack 0db sustain; 0db master volume
equal to
0db attack; +3db sustain; -3db master volume
?
__________________
Reaper x64, win 11
Composer, text-writer, producer
Bandcamp
Last edited by G-Sun; 06-15-2017 at 09:30 AM.
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06-15-2017, 08:54 AM
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#2
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Human being with feelings
Join Date: Apr 2010
Location: Seattle
Posts: 5,635
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dB is a logarithmic measure. It takes less energy to move you from -3db to 0db than it does to move you from 0db to +3db.
I have no idea what that implies for your transient, though.
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06-15-2017, 12:39 PM
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#3
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Human being with feelings
Join Date: Dec 2012
Posts: 7,272
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Quote:
Originally Posted by jerome_oneil
dB is a logarithmic measure. It takes less energy to move you from -3db to 0db than it does to move you from 0db to +3db.
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Well, sort of, yeah, but not really. The difference between -3 and 0 is the same 3 as the difference between 0 and 3, and it still means "times 1.4" .
Theoretically x/1.4 = x/1.4 for the attack either way, and 1.4x/1.4 = x for the sustain, but...
Quote:
I have no idea what that implies for your transient, though.
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IDK for sure that there isn't something different happening in that plugin.
A null test would probably answer the question faster than a post on a forum?
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06-15-2017, 01:15 PM
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#4
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Human being with feelings
Join Date: May 2010
Location: Norway
Posts: 7,318
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Quote:
Originally Posted by ashcat_lt
A null test would probably answer the question faster than a post on a forum?
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Yes, tried it with JS Transient Controller.
Didn't null
__________________
Reaper x64, win 11
Composer, text-writer, producer
Bandcamp
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06-15-2017, 02:53 PM
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#5
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Human being with feelings
Join Date: Apr 2010
Location: Seattle
Posts: 5,635
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Quote:
Originally Posted by ashcat_lt
Well, sort of, yeah, but not really. The difference between -3 and 0 is the same 3 as the difference between 0 and 3, and it still means "times 1.4" .
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Well, yes, actually, and really. You're describing the additive nature of logarithms used to describe the energy, not the energy. That's a feature of the math, not the physics. The difference in energy between +3db and 0db is greater than the acoustic energy between 0db and -3db. That's what a logarithmic scale is.
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06-15-2017, 07:47 PM
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#6
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Human being with feelings
Join Date: Jan 2010
Location: Kalispell
Posts: 14,745
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Quote:
Originally Posted by jerome_oneil
Well, yes, actually, and really. You're describing the additive nature of logarithms used to describe the energy, not the energy. That's a feature of the math, not the physics. The difference in energy between +3db and 0db is greater than the acoustic energy between 0db and -3db. That's what a logarithmic scale is.
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Heh heh, good question Geir, and well, it would be interesting to do a little test. But I don't think it would be necessary because I think ashcat is right, and any testing would produce the same results.
However, what's going on in a FX can be totally different, which might be the reason that your test didn't null.
And yes, I think jerome is right in regards to the acoustic energy, but I'm not sure how relevant that is to this situation.
Anyway, that was a great question Geir, and I don't really have a clue what the answer would be.
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06-16-2017, 12:40 AM
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#7
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Human being with feelings
Join Date: May 2010
Location: Norway
Posts: 7,318
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Thanks!
My question was of course about transient shapers, not db ☺️
__________________
Reaper x64, win 11
Composer, text-writer, producer
Bandcamp
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