def play_signal(signal: Signal,
fs: int,
start: Optional[Frames] = None,
end: Optional[Frames] = None):
start = to_frames(start if start is not None else 0)
end = to_frames(end if end is not None else signal.get_range(fs)[1])
buffer = signal.get_temporal(fs, start, end)
# Ensure that highest value is in 16-bit range
audio = buffer / np.max(np.abs(buffer)) * (2 ** 15 - 1)
# Convert to 16-bit data
audio = audio.astype(np.int16)
# Start playback
play_obj = sa.play_buffer(audio, 1, 2, fs)
# Wait for playback to finish before exiting
play_obj.wait_done()
def get_centered_sample(signal: Signal):
lower, upper = signal.get_range()
lower_frames = to_frames(lower)
upper_frames = to_frames(upper)
return np.roll(signal.get_temporal(lower_frames, upper_frames), lower_frames)
