def test_audiostream():
from audiostream import get_output
from audiostream.sources.wave import SineSource
stream = get_output(channels=2, rate=22050, buffersize=128)
source = SineSource(stream, 220)
source.start()
sleep(.5)
source.stop()
def build(self):
self.stream = get_output(channels=CHANNELS, buffersize=BUFSIZE, rate=22050)
self.slider = Slider(min=110, max=880, value=440)
self.slider.bind(value=self.update_freq)
self.source = SineSource(self.stream, 440)
self.source.start()
return self.slider
def build(self):
self.stream = get_output(channels=CHANNELS,
buffersize=BUFSIZE,
rate=22050)
self.slider = Slider(min=110, max=880, value=440)
self.slider.bind(value=self.update_freq)
self.source = SineSource(self.stream, 440)
self.source.start()
return self.slider
def _do_setup(self, *l):
if platform == 'android':
self.root.padding = [0, 0, 0, dp(25)]
self.stream = get_output(channels=1, rate=8000)
self.sample = AudioSample()
self.stream.add_sample(self.sample)
self.sample.play()
self.dec_queue = Queue.Queue()
self.start_rec()
self.decodingThread = threading.Thread(target=decode_sound,
args=(self, global_rec_queue,
self.dec_queue))
self.decodingThread.start()
np.set_printoptions(threshold=np.inf)
def build(self):
logo_pd = Image(source='pd.png',
allow_stretch=True,)
logo_kivy = Image(source='kivy.png',
allow_stretch=True,)
label = Label(text="kivy+pd://bloopy.pd",
font_size=30)
self.widget = StackLayout()
self.widget.add_widget(logo_pd)
self.widget.add_widget(label)
self.widget.add_widget(logo_kivy)
self.stream = get_output(channels=CHANNELS, buffersize=BUFSIZE, rate=SAMPLERATE)
self.source = PatchSource(self.stream, 'bloopy.pd')
self.source.start()
return self.widget
def build(self):
root = GridLayout(padding=20, spacing=10, cols=4)
self.stream = get_output(channels=2, buffersize=1024)
self.gens = {}
for x in range(20):
sample = AudioSample(partial(self.audio_callback, x))
self.stream.add_sample(sample)
btn = Button(text='Sample %d' % x)
btn.bind(state=partial(self.update_state, x))
slider = Slider(min=110, max=880, value=440)
slider.bind(value=partial(self.update_freq, x))
root.add_widget(btn)
root.add_widget(slider)
# generators
gen_left = sine_wave()
gen_right = sine_wave(frequency=220.0)
self.gens[x] = [sample, gen_left, gen_right, None, None]
return root
def build(self):
root = GridLayout(padding=20, spacing=10, cols=4)
self.stream = get_output(channels=2, buffersize=1024)
self.gens = {}
for x in xrange(20):
sample = AudioSample(partial(self.audio_callback, x))
self.stream.add_sample(sample)
btn = Button(text='Sample %d' % x)
btn.bind(state=partial(self.update_state, x))
slider = Slider(min=110, max=880, value=440)
slider.bind(value=partial(self.update_freq, x))
root.add_widget(btn)
root.add_widget(slider)
# generators
gen_left = sine_wave()
gen_right = sine_wave(frequency=220.0)
self.gens[x] = [sample, gen_left, gen_right, None, None]
return root
def build(self):
logo_pd = Image(
source='pd.png',
allow_stretch=True,
)
logo_kivy = Image(
source='kivy.png',
allow_stretch=True,
)
label = Label(text="kivy+pd://bloopy.pd", font_size=30)
self.widget = StackLayout()
self.widget.add_widget(logo_pd)
self.widget.add_widget(label)
self.widget.add_widget(logo_kivy)
self.stream = get_output(channels=CHANNELS,
buffersize=BUFSIZE,
rate=SAMPLERATE)
self.source = PatchSource(self.stream, 'bloopy.pd')
self.source.start()
return self.widget
super().__init__(stream, *args, **kwargs)
self.chunksize = kwargs.get('chunksize', 64)
self.data = data
self.cursor = 0
def get_bytes(self):
chunk = self.data[self.cursor:self.cursor+self.chunksize]
self.cursor += self.chunksize
if not isinstance(chunk, np.ndarray):
chunk = np.array(chunk)
assert len(chunk.shape) == 1 and chunk.dtype == np.dtype('float32')
# Convert to 16 bit format.
return (chunk * 2**15).astype('int16').tobytes()
# For example purposes, load first 30 seconds only.
# Data must be mono.
data, sr = librosa.core.load(sys.argv[1], mono=True, sr=None, duration=30)
stream = get_output(channels=1, rate=sr, buffersize=1024)
source = MonoAmplitudeSource(stream, data)
source.start()
# Wait until playback has finished.
while source.cursor < len(data):
sleep(.5)
source.stop()
def __init__(self, **kargs):
self.stream = get_output(channels=1, buffersize=1024, rate=8000)
self.sample = AudioSample()
self.stream.add_sample(self.sample)
super(Button_Speak, self).__init__(**kargs)
from kivy.core.audio import SoundLoader
from audiostream import get_output
sound = SoundLoader.load('sounds/kit1/clap.wav')
if sound:
print("Sound found at %s" % sound.source)
print("Sound is %.3f seconds" % sound.length)
sound.play()
#stream = get_output(channels=1, rate=44100, buffersize=1024)
stream = get_output(channels=1, rate=22050, buffersize=512)
print(type(stream))
def initSine(self):
self.str = get_output(channels=2, rate=22050, buffersize=128)
self.sin = SineSource(self.str, self.freq[1])
from time import sleep
from audiostream import get_output
from audiostream.sources.wave import SineSource
# get a output stream where we can play samples
stream = get_output(channels=2, rate=22050, buffersize=1024)
# create one wave sin() at 440Hz, attach it to our speaker, and play
sinsource = SineSource(stream, 440)
sinsource.start()
# you can change the frequency of the source during the playtime
for x in xrange(10):
sinsource.frequency = 440 + x
sleep(.5)
# ok we are done, stop everything.
sinsource.stop()
def __init__(self):
# Connect to output speaker
self.output_stream = get_output(channels=self.NBR_CHANNELS, rate=self.FRAME_RATE, buffersize=self.BUFFER_SIZE, encoding=16)
# Assign the stream to an audio source generator to consume a wav file
self.ASG = AudioSourceGenerator(self.output_stream)
self.ASG.start() # thread started once !
from time import sleep
from audiostream import get_output
from audiostream.sources.wave import SineSource
# get a output stream where we can play samples
stream = get_output(channels=2, rate=22050, buffersize=128)
# create one wave sin() at 220Hz, attach it to our speaker, and play
sinsource = SineSource(stream, 220)
sinsource.start()
# you can change the frequency of the source during the playtime
for x in xrange(20):
sinsource.frequency = 220 + x * 20
sleep(.1)
# ok we are done, stop everything.
sinsource.stop()
def __init__(self, **kargs):
self.stream = get_output(channels=1, buffersize=1024, rate=8000)
self.sample = AudioSample()
self.stream.add_sample(self.sample)
super(Button_Speak, self).__init__(**kargs)