Old 10-29-2017, 08:24 AM   #1
Quiz
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Default Humanize / Randomize volume of media items

Hey guys,

think of the humanize velocity function for Midi items. I wonder whether there is a way to do the same with media items, that is changing the volume of a lot of media items randomly within a given range by the push of a button.

I do wanna do this to let my drums and percussions samples sound more natural. Until now, I do it manually, which is quite a lot of nasty work.

I do know that I easily could use a Sampler that has that function. Or use ReaSamplOmatic, (change the min Volume to -inf,) create a Midi file and humanize the midi note's velocities and kind of get what I want.

Yet, I would really like to know whether there is a way to do it on a sample basis. Like that, I still have the freedom to alter single samples in terms of envelopes, fades, effects etc., all of which is not possible after I loaded the sample into ReaSamplOmatic.

Any ideas?

Kind regards
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Old 11-24-2018, 12:07 PM   #2
5/4
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Also looking for a solution for this at the moment. there are a number of ways to do it I am aware through plugins and using automation lanes but an action similar to the groove tool extension would be ideal if anyone can point in the right direction!
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Old 01-07-2020, 11:24 AM   #3
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Quote:
Originally Posted by 5/4 View Post
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Also looking for a solution for this at the moment. there are a number of ways to do it I am aware through plugins and using automation lanes but an action similar to the groove tool extension would be ideal if anyone can point in the right direction!
Really no way?.....
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Old 01-08-2020, 06:06 AM   #4
Xenakios
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This would be fairly trivial to do as a script with ReaScript.

edit : I did a simple Lua script :

Code:
-- edit the numbers to change the decibel range to randomize to
local minvolume = -24.0
local maxvolume = 0.0

local numitems = reaper.CountSelectedMediaItems(0)
if numitems>0 then
  for i=0, numitems-1 do
    local item = reaper.GetSelectedMediaItem(0,i)
    local take = reaper.GetActiveTake(item)
    local volume = minvolume+(maxvolume-minvolume)*math.random()
    local gain = math.exp(volume*0.11512925464970228420089957273422)
    reaper.SetMediaItemTakeInfo_Value(take,"D_VOL",gain)
  end
  reaper.UpdateArrange()
end
You have to edit the beginning of the code if you want to change the randomization range.
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Last edited by Xenakios; 01-08-2020 at 06:33 AM.
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Old 06-21-2021, 11:23 AM   #5
jfog
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Default Humanize / Randomize volume of media items

Hey,
I know this is an old thread, but wanted to point surfers to additional solutions.
Check out REAPERBlog.net (and on his YouTube channel) for a great video on using LFO to create random variations in Volume, Velocity, etc.
It's a great way of randomizing any parameter.
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