def pitch_from_mic(upd_time_in_ms):
rate = 44100
s, Hz = sHz(rate)
with AudioIO() as recorder:
snd = recorder.record(rate=rate)
sndlow = lowpass(400 * Hz)(limiter(snd, cutoff=20 * Hz))
hop = int(upd_time_in_ms * 1e-3 * s)
for pitch in freq2str(dft_pitch(sndlow, size=2*hop, hop=hop) / Hz):
yield pitch
def pitch_from_mic(upd_time_in_ms):
rate = 44100
s, Hz = sHz(rate)
with AudioIO() as recorder:
snd = recorder.record(rate=rate)
sndlow = lowpass(400 * Hz)(limiter(snd, cutoff=20 * Hz))
hop = int(upd_time_in_ms * 1e-3 * s)
for pitch in freq2str(dft_pitch(sndlow, size=2 * hop, hop=hop) / Hz):
yield pitch
def pitch_from_mic(upd_time_in_ms):
rate = 44100
s, Hz = sHz(rate)
api = sys.argv[1] if sys.argv[1:] else None # Choose API via command-line
chunks.size = 1 if api == "jack" else 16
with AudioIO(api=api) as recorder:
snd = recorder.record(rate=rate)
sndlow = lowpass(400 * Hz)(limiter(snd, cutoff=20 * Hz))
hop = int(upd_time_in_ms * 1e-3 * s)
for pitch in freq2str(dft_pitch(sndlow, size=2*hop, hop=hop) / Hz):
yield pitch
def pitch_from_mic(upd_time_in_ms):
rate = 44100
s, Hz = sHz(rate)
api = sys.argv[1] if sys.argv[1:] else None # Choose API via command-line
chunks.size = 1 if api == "jack" else 16
with AudioIO(api=api) as recorder:
snd = recorder.record(rate=rate)
sndlow = lowpass(400 * Hz)(limiter(snd, cutoff=20 * Hz))
hop = int(upd_time_in_ms * 1e-3 * s)
for pitch in freq2str(dft_pitch(sndlow, size=2 * hop, hop=hop) / Hz):
yield pitch
remain -= gain
return out
#
# Audio mixture
#
tracks = 3 # besides unpitched track
dur_note = 120 * ms
dur_perc = 100 * ms
smix = Streamix()
# Pitched tracks based on a 1:2 triangular wave
table = TableLookup(line(100, -1, 1).append(line(200, 1, -1)).take(inf))
for track in xrange(tracks):
env = adsr(dur_note, a=20 * ms, d=10 * ms, s=.8, r=30 * ms) / 1.7 / tracks
smix.add(0, geometric_delay(new_note_track(env, table), 80 * ms, 2))
# Unpitched tracks
pfuncs = [unpitched_low] * 4 + [unpitched_high]
snd = chain.from_iterable(
choice(pfuncs)(dur_perc, randint(0, 1)) for unused in zeros())
smix.add(0, geometric_delay(snd * (1 - 1 / 1.7), 20 * ms, 1))
#
# Finishes (save in a wave file)
#
data = lowpass(5000 * Hz)(smix).limit(180 * s)
fname = "audiolazy_save_and_memoize_synth.wav"
save_to_16bit_wave_file(fname, data, rate)
remain -= gain
return out
#
# Audio mixture
#
tracks = 3 # besides unpitched track
dur_note = 120 * ms
dur_perc = 100 * ms
smix = Streamix()
# Pitched tracks based on a 1:2 triangular wave
table = TableLookup(line(100, -1, 1).append(line(200, 1, -1)).take(inf))
for track in xrange(tracks):
env = adsr(dur_note, a=20 * ms, d=10 * ms, s=0.8, r=30 * ms) / 1.7 / tracks
smix.add(0, geometric_delay(new_note_track(env, table), 80 * ms, 2))
# Unpitched tracks
pfuncs = [unpitched_low] * 4 + [unpitched_high]
snd = chain.from_iterable(choice(pfuncs)(dur_perc, randint(0, 1)) for unused in zeros())
smix.add(0, geometric_delay(snd * (1 - 1 / 1.7), 20 * ms, 1))
#
# Finishes (save in a wave file)
#
data = lowpass(5000 * Hz)(smix).limit(180 * s)
fname = "audiolazy_save_and_memoize_synth.wav"
save_to_16bit_wave_file(fname, data, rate)
