def add_tone(self, sound):
"""Add a tone to the end of given Sound object instance.
Arguments:
sound -- Sound object tone should be added to
"""
for sample in self.__generate(sound):
sound.add_sample(sample)
def combine_tone(self, sound, start_position):
"""Combine the tone with a Sound object.
This method combines the tone with a given sound object instance,
starting at the given time. This can be used to add tones to a sound
without having to create an additional Sound object.
If the tone is longer than the sound, it will extend past the end
of the sound.
Arguments:
sound -- Sound object instance
start_position -- start position in seconds
"""
index = sound.convert_secs_to_samples(start_position)
for sample in self.__generate(sound):
if index < len(sound.samples):
sound.combine_sample_at_index(sample, index)
else:
sound.add_sample(sample)
index += 1