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Ducking signal overload

June 8, 2010 | 8:04 pm

Hello all,

I’m adapting the ducking patch provided in Max compression tutorial 9 to work with two sets of prerecorded files – voice-over and field recordings – so that whenever the voice-over plays (in the ‘right input’), the field recordings (in the ‘left input’) are made quieter.

The problem I’ve encountered is that in the patch adc~ is used, and it seems to make the atodb~ object go no lower than around -54 dB, whereas with the soundfiles, whenever the voice-over goes silent, atodb~ goes to -999. This messes with the ‘abitofmath’ subpatch and creates huge numbers which could blow the speakers!

Any ideas how to fix this? Many thanks,


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