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See also:
rampdown
Plots
audspecgram
semiaudplot
Filters
gammatone
filterbank
Auditory scales
audtofreq
freqtoaud
audspace
audspacebw
erbtofreq
freqtoerb
erbspace
erbspacebw
Properties of the auditory system
audfiltbw
headphonefilter
middleearfilter
Model stages
envextract
adaptloop
adaptloop_init
adaptloop_run
General signal processing
rms
rampup
rampdown
infamplitudeclip
RAMPUP - Rising ramp function
Program code:
function outsig=rampup(siglen) outsig=sin((0:siglen-1)/siglen*pi/2).';