def echo_division(sig_):
sig = sig_
m1 = sf.Magnitude(+sig)
if m1 == 0.0:
return sig
length = sf.Length(+sig)
convol = sf.ReadFile("temp/swell.wav")
sigW = convolve(+sig, convol[0])
sig = realise(sig, sigW)
c_log("Reference count:", sig.getReferenceCount())
m2 = sf.Magnitude(+sig)
sig = realise(sf.NumericVolume(sig, m1 / m2))
return sig
def excite(sig_,mix_ammount,power):
sig=sig_
m=sf.Magnitude(+sig)
sigh=sf.BesselHighPass(+sig,500,2)
mh=sf.Magnitude(+sigh)
sigh=sf.Power(sigh,power)
sigh=sf.Clean(sigh)
sigh=sf.BesselHighPass(sigh,1000,2)
nh=sf.Magnitude(+sigh)
sigh=sf.LinearVolume(sigh,mh/nh)
sig=mix(sf.LinearVolume(sigh,mix_ammount),sf.LinearVolume(sig,1.0-mix_ammount))
n=sf.Magnitude(+sig)
return realise(sf.LinearVolume(sig,m/n))
def excite(sig_, mix_ammount, power):
sig = sig_
m = sf.Magnitude(+sig)
sigh = sf.BesselHighPass(+sig, 500, 2)
mh = sf.Magnitude(+sigh)
sigh = sf.Power(sigh, power)
sigh = sf.Clean(sigh)
sigh = sf.BesselHighPass(sigh, 1000, 2)
nh = sf.Magnitude(+sigh)
sigh = sf.LinearVolume(sigh, mh / nh)
sig = mix(sf.LinearVolume(sigh, mix_ammount),
sf.LinearVolume(sig, 1.0 - mix_ammount))
n = sf.Magnitude(+sig)
return realise(sf.LinearVolume(sig, m / n))
def tremolate(sig_, rate, mag):
sig = sig_
m1 = sf.Magnitude(+sig)
if m1 == 0.0:
return sig
length = sf.Length(+sig)
ev = sf.NumericVolume(sf.MakeTriangle(sf.PhasedSineWave(length + 64, rate, random.random())), mag)
ev = sf.Cut(0, length, ev)
fv = sf.Pcnt2(+ev)
ev = sf.DirectMix(1.0, ev)
sig = sf.FrequencyModulate(sig, fv)
sig = sf.Multiply(ev, sig)
convol = sf.ReadFile("temp/swell.wav")
sigW = convolve(+sig, convol[0])
sig = mix(sig, sigW)
m2 = sf.Magnitude(+sig)
sig = realise(sf.NumericVolume(sig, m1 / m2))
return sig
