def generate_memory_flush(
self,
lowest_pitch:Pitch,
highest_pitch:Pitch,
min_sounds=8,
max_sounds=12,
sound_play_time=0.2
) -> np.array:
"""
Generate series of random frequencies and random length.
:lowest_pitch: The lowest pitch
:highest_pitch: The highest pitch
:min_sounds: Minimal number of sounds in a series.
:max_sounds: Maximal number of sounds in a series.
:sound_play_time: Length of every sound in seconds.
:returns: Output signal.
"""
output = np.zeros(0)
for i in range(random.randint(min_sounds, max_sounds)):
output = np.concatenate([
output,
self.generate_frequency(
random.uniform(
lowest_pitch.get_frequency(),
highest_pitch.get_frequency()
),
sound_play_time
)
])
return output
def generate_pitch(self, pitch:Pitch, time:float) -> np.array:
"""
Generate signal of given length and pitch.
:pitch: Pitch of output sound.
:time: Length of sound in seconds.
:returns: Output signal.
"""
return self.generate_frequency(pitch.get_frequency(), time)