def setUp(self):
self.test_freq = 200
self.test_duration = 0.05
self.test_frame_rate = 10000
self.triangle_signal = TriangleSignal(freq=self.test_freq)
self.wave = signal_to_wave(signal=self.triangle_signal,
duration=self.test_duration,
frame_rate=self.test_frame_rate)
def rest(duration):
"""Makes a rest of the given duration.
duration: float seconds
returns: Wave
"""
signal = SilentSignal()
wave = signal_to_wave(signal, duration)
return wave
def plot(self, frame_rate=11025, periods=3):
"""Plots the signal.
The default behavior is to plot three periods.
framerate: samples per second
"""
duration = self.period * periods
wave = signal_to_wave(self, duration, start=0, frame_rate=frame_rate)
wave.plot()
def setUp(self):
test_sinus_freq = 880
test_sinus_amp = 1
test_sinus_offset = 0
test_frame_rate = 24000
test_duration = 3
self.sinus_signal = sin_signal(freq=test_sinus_freq,
amp=test_sinus_amp,
offset=test_sinus_offset)
self.sinus_wave = signal_to_wave(self.sinus_signal,
duration=test_duration,
frame_rate=test_frame_rate)
def setUp(self):
test_sinus_freq = 880
test_sinus_amp = 1
test_sinus_offset = 0
test_frame_rate = 24000
test_duration = 3
self.base_sinus_signal = sin_signal(freq=test_sinus_freq,
amp=test_sinus_amp,
offset=test_sinus_offset)
self.base_sinus_wave = signal_to_wave(self.base_sinus_signal,
duration=test_duration,
frame_rate=test_frame_rate)
self.sinus_wave = SbkWave(wave=self.base_sinus_wave)
self.stretched_wave = self.sinus_wave.stretch(2)
def setUp(self):
self.test_freq = 200
self.triangle_signal = TriangleSignal(self.test_freq)
self.triangle_wave = signal_to_wave(self.triangle_signal)
self.triangle_spectrum = wave_to_spectrum(self.triangle_wave)