Trimming volume automation of grouped tracks is acting strangely

L

LeftHandRyan

Member
Hey Folks, another "what the heck is going on" post from me :)

I have some drum tracks with some volume automation (different for each track) on them, and I'd like to trim all of them down by 4dB. They are in a group with "edit" and "mix" properties checked. Seems like it should be as simple as selecting the whole song's time range, and dragging down 4dB on any of the volume automation lines. However, I'm getting strange results. The track I grab will be reduced by 4dB, but other tracks in the group will have other values.

In my example, with the group enabled, I reduced the kick track by 4.1 dB. The snare top track was reduced by 5.8 dB, and my snare bottom track was reduced by 6 dB.

I made a quick video showing the issue. https://drive.google.com/file/d/1T3tK-C_o_G7oLAH0_elTid3ROspravgp/view?usp=drive_link

And when I do this on tracks with the same initial volume, I see the results as expected. It's almost like it's not following the decibel scale, but a linear/visual scale instead.

Seems like a bug, right?
 
S_Masoner

S_Masoner

Active Member
I am seeing the same thing in LUNA, but not in PT or Cubase.
 
J

Joe Porto

Hall of Fame Member
It's always been like this. They move relatively, not in parallel. Basically, they will all swing from the point they're at to -∞ with the same movement.
 
L

LeftHandRyan

Member
Joe Porto said:
It's always been like this. They move relatively, not in parallel. Basically, they will all swing from the point they're at to -∞ with the same movement.
Click to expand...
That doesn't make much sense to me. If I group (or select) multiple tracks, and then move the fader of one down 2 dB, what happens? They all move 2dB from where they were. I expect the same behavior when I trim automation.

I'd argue it's a bug or a very confusing (and unhelpful) implementation. If I select multiple tracks and trim automation -2dB, it's reasonable to expect them all to move 2dB from wherever they were. I am going to file a bug ;)
 
J

Joe Porto

Hall of Fame Member
LeftHandRyan said:
That doesn't make much sense to me. If I group (or select) multiple tracks, and then move the fader of one down 2 dB, what happens? They all move 2dB from where they were. I expect the same behavior when I trim automation.

I'd argue it's a bug or a very confusing (and unhelpful) implementation. If I select multiple tracks and trim automation -2dB, it's reasonable to expect them all to move 2dB from wherever they were. I am going to file a bug ;)
Click to expand...
Does it make a difference if you switch to Equal Power under Settings>Options>Editing?
 
S_Masoner

S_Masoner

Active Member
Darn, thought that would do it, but no, still same relative attenuation, seems odd, not seeing this type of action in any of my other DAWs
 
S_Masoner

S_Masoner

Active Member
Went through the bot, #789428 will reply to email with OS info.
Thanks Drew!

Linked to session in dropbox as well
 
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