def step_impl(context, noise, t):
"""
:type context: behave.runner.Context
:type noise: str
:type t: str
"""
t = float(t)
f = context.samprate/context.n
nl = float(noise) # Noise level
context.noise_level = nl
sp = SelcalParams()
freqs = list(sp.selcal_tones.values())
context.sfreq = [0]*int(f*t)
# Initial pause
dur = 0.2+4.8*random()
samp = [gs.genfreq([0], dur, noise_level=nl,
samprate=context.samprate)]
s = dur
while s < t:
dur = min(t-s, 0.75+0.5*random())
freq = [choice(freqs)]
samp += [gs.genfreq(freq, dur, noise_level=nl,
samprate=context.samprate)]
# The answer for assert
i1,i2 = int(f*s), int(ceil(f*(s+dur)))
context.sfreq[i1:i2] = freq*(i2-i1)
s += dur
dur = min(t-s, 0.2+4.8*random())
samp += [gs.genfreq([0], dur, noise_level=nl,
samprate=context.samprate)]
s += dur
context.samp = chain(*samp)
def step_impl(context, variation):
"""
:type context: behave.runner.Context
:type variation: str
"""
if len(context.freq) <= 2:
d0, d1, d2, d3, d4 = context.delays[0], context.dur, 0.2, context.dur,\
context.delays[-1]
if variation == 'with':
context.freq = [(1 - var['tone'] * 2 * (random.random() - 0.5)) * f
for f in context.freq]
d0 *= random.random()
d1 += var['code_dur'] * 2 * (random.random() - 0.5)
d2 += var['pause_dur'] * 2 * (random.random() - 0.5)
d3 += var['code_dur'] * 2 * (random.random() - 0.5)
d4 *= random.random()
print(d0, d1, d2, d3, d4)
samp = gs.genfreq(context.freq[:2],
d1,
noise_level=context.noise_level,
samprate=context.samprate)
pause1 = gs.genfreq([0],
d0,
noise_level=context.noise_level,
samprate=context.samprate)
pause2 = gs.genfreq([0],
d4,
noise_level=context.noise_level,
samprate=context.samprate)
if len(context.freq) > 2:
pause = gs.genfreq([0],
d2,
noise_level=context.noise_level,
samprate=context.samprate)
samp = chain(
samp, pause,
gs.genfreq(context.freq[2:],
d3,
noise_level=context.noise_level,
samprate=context.samprate))
context.samp = chain(pause1, samp, pause2)
else:
context.samp = gs.genSELCALSample(''.join(context.letters),
noise_level=context.noise_level,
delays=context.delays,
rand=(variation == 'with'),
samprate=context.samprate)
def step_impl(context, variation):
"""
:type context: behave.runner.Context
:type variation: str
"""
if len(context.freq) <= 2:
d0, d1, d2, d3, d4 = context.delays[0], context.dur, 0.2, context.dur,\
context.delays[-1]
if variation == 'with':
context.freq = [(1-var['tone']*2*(random.random()-0.5))*f
for f in context.freq]
d0 *= random.random()
d1 += var['code_dur']*2*(random.random()-0.5)
d2 += var['pause_dur']*2*(random.random()-0.5)
d3 += var['code_dur']*2*(random.random()-0.5)
d4 *= random.random()
print(d0, d1, d2, d3, d4)
samp = gs.genfreq(context.freq[:2], d1, noise_level=context.noise_level,
samprate=context.samprate)
pause1 = gs.genfreq([0], d0, noise_level=context.noise_level,
samprate=context.samprate)
pause2 = gs.genfreq([0], d4, noise_level=context.noise_level,
samprate=context.samprate)
if len(context.freq) > 2:
pause = gs.genfreq([0], d2, noise_level=context.noise_level,
samprate=context.samprate)
samp = chain(samp, pause, gs.genfreq(context.freq[2:], d3,
noise_level=context.noise_level,
samprate=context.samprate))
context.samp = chain(pause1, samp, pause2)
else:
context.samp = gs.genSELCALSample(''.join(context.letters),
noise_level=context.noise_level,
delays = context.delays,
rand=(variation == 'with'),
samprate=context.samprate)
