BrickLimit true 2 2 if (<BrickLimitON> == 1) then kthresh = <treshold> ksmooth = <smooth> ; this is needed as an i-time variable so will have to be cast as an i variable and a reinitialisation forced kthresh = ampdbfs(kthresh) ; convert threshold to an amplitude value if changed(ksmooth)==1 then ; if Smoothing slider is moved... reinit REINIT ; ... force a reinitialisation endif REINIT: ; reinitialise from here krmsL rms ain1, 1/i(ksmooth) ; scan both channels krmsR rms ain2, 1/i(ksmooth) ; ... rireturn ; return to performance pass from reinitialisation pass (if applicable) krms max krmsL,krmsR ; but only used the highest rms kdelay = <delay> if kdelay>0 then ; if Delay value is anything above zero ... ain1d vdelay ain1, kdelay*1000, 200 ; delay audio signals before limiting ain2d vdelay ain2, kdelay*1000, 200 endif if krms>kthresh then ; if current RMS is above threshold; i.e. limiting required kfctr = kthresh/krms ; derive less than '1' factor required to attenuate audio signal to limiting value afctr interp kfctr ; smooth changes (and interpolate from k to a) aout1 = ain1d * afctr ; apply scaling factor aout2 = ain2d * afctr else aout1 = ain1d ; pass audio signals unchanged aout2 = ain2d ; ... endif kgain = <gain> ; make up gain control kgain = ampdb(kgain) ; derive gain value as an amplitude factor aout1 *= kgain ; make up gain aout2 *= kgain else aout1 = ain1 aout2 = ain2 endif DESCRIPTION: BrickLimit is a simple 'brick-wall' limiter, developped in Cabbage by Iain McCurdy (2016). A small delay is used; this acts as a look-ahead feature. This is an implementation as a blue effect, and some values are slightly adapted for use within blue. CONTROLLERS: ON/OFF - bypass Threshold - dB threshold below above which signals will be aggressively limited Smoothing - response of the amplitude follower. Higher values result in a slower, but possibly smoother, response Delay - delay applied to the input sound before it is limited (the tracked signal is always undelayed) This can be useful for compensating for a limiter than is not responding fast enough to sudden dynamic transients Gain - Make up gain. Useful for compensating for gain loss. --- version 1.02, July 2020 - added BSB information comments version 1.01, May 2020 - added comments on controllers version 1.0, April 2020 - initial version by Menno Knevel. Original code largely developped in Cabbage by Iain McCurdy (2016) 5 5 DOT true 0 0 Group 0x00000033 0x000000ff 0xffffffff true 20 20 10 10 ReverbSC 0x4d8080ff 0x000000ff 0xffffffff false 170 30 130 80 gain System Regular 12.0 treshold 10 10 dB threshold below above which signals will be aggressively limited true -60.0 1.0 1 -21.0 60 true true gain 160 10 Make up gain. Useful for compensating for gain loss. true -48.0 48.0 1 0.0 60 true true 60 80 treshold System Regular 12.0 smooth 60 10 response of the amplitude follower. Higher values result in a slower, but possibly smoother, response true 0.0 1.0 0.65 45 true false smooth true System Regular 12.0 delay 110 10 delay applied to the input sound before it is limited (the tracked signal is always undelayed). This can be useful for compensating for a limiter than is not responding fast enough to sudden dynamic transients true 0.0 0.2 0.132 45 true false delay true System Regular 12.0 BrickLimitON 0 0 bypass true true true