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MisterAdvent
Inspiring
March 7, 2020
Question

DBX Noise Reduction Decoding

  • March 7, 2020
  • 1 reply
  • 394 views

I'm ingesting a tape recorded with DBX noise reduction, which is (reportedly) a 2:1 compression.  I'm trying to expand it in Audition with little success. Does anyone have any "cook book" settings to use to expand DBX in Audition, short of running the signal through a DBX box during capture?

 

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1 reply

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
March 7, 2020

Most people reckon that running it through the hardware is the way to go - it's not easy to simulate in software, because it uses some strange time constant tricks which materially alter the results. Even though we know that there's 2:1 compression going on, sneaky things were done to minimise pumping, etc. I'm only aware of a single software attempt to emulate this and that's Satin - at a similar cost to picking up a DBX decoder.

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