def write_to_wav(self, name="wavegen-voice.wav", length=1, location="."):
"""Write the voice to a .wav file
name: str
The name of the file to be written
location: path
Where the file should be written to. Default is current working dir.
"""
ext = ".wav"
if name[: -len(ext)] != ext:
name = str(name) + ".wav"
# Generate a finite list of samples from our points generator
no_of_samples = length * self.sample_rate
self.samples = []
for tick in range(no_of_samples):
self.samples.append(self.points().next())
self.normalise()
channels = ((self.samples,) for i in range(self.channels))
computed_samples = wb.compute_samples(channels, no_of_samples)
wb.write_wavefile(
name,
samples=computed_samples,
nframes=no_of_samples,
nchannels=self.channels,
sampwidth=2,
framerate=self.sample_rate,
)
def startPlaying(self, frequency=440.0, amplitude=0.5, framerate=48000, duration=60, bufsize=1024):
if self.isWindows:
while True:
try:
import winsound
winsound.Beep(int(frequency), duration * 1000)
except AttributeError:
pass
if self.play == False:
break
else:
# create stream
channels = ((wb.sine_wave(frequency, amplitude=amplitude, framerate=framerate),),)
nframes = framerate * duration
while self.play:
try:
samples = wb.compute_samples(channels, nframes)
self.audioStream = MyStream(self.audioDev.open(format=self.audioDev.get_format_from_width(2), channels=1, rate=framerate, output=True))
wb.write_wavefile(self.audioStream, samples, nframes=nframes, sampwidth=2, framerate=framerate, bufsize=bufsize)
except AttributeError:
pass
else:
self.audioStream.stopIt()
self.audioDev.terminate()
return
def sonify_image(self):
self.messageLabel.configure(text="")
if self.targetImage is None:
self.messageLabel.configure(text="Must load an image first.")
return
if self.targetImage.mode != 'RGB':
self.messageLabel.configure(text='Not RGB. %s is invalid.' %
self.targetImage.mode)
return
self.messageLabel.configure(text="Converting ...")
self.myParent.update_idletasks()
imYCbCr = self.targetImage.convert(
"YCbCr") # Convert the image to YCbCr
phi, rad, lum = sonify.phi_from_YCbCr(imYCbCr)
amps = sonify.get_amplitudes(phi, figure=self.powerFigure)
self.powerFigureCanvas.show()
channels = ((sonify.super_sine_wave(freqs=sonify.TONES,
amps=amps,
framerate=self.rate), ), )
self.samples = wavebender.compute_samples(channels,
nsamples=self.rate *
self.time)
try:
wavebender.write_wavefile('./temp.wav',
samples=self.samples,
nframes=self.rate * self.time,
nchannels=1,
framerate=self.rate)
self.snd.read('./temp.wav')
self.messageLabel.configure(text="Sonification complete.")
except:
self.messageLabel.configure(text="Errors in temp write.")
def write(fpath, waves, duration):
# fpath : path to write file to
# waves : waves
write_wavefile(fpath,
samples=_samples(waves, duration),
nchannels=2,
sampwidth=2,
framerate=_framerate,
bufsize=2048)
return
def write_wave(self):
self.messageLabel.configure(text="")
if self.samples is None:
self.messageLabel.configure(text="Must sonify image first.")
return
filename = self.writeEntry.get()
if filename is None:
self.messageLabel.configure(text="Enter a filename to write.")
return
self.messageLabel.configure(text="Writing ...")
self.myParent.update_idletasks()
try:
wavebender.write_wavefile(filename, samples=self.samples, nframes=self.rate*self.time,
nchannels=1, framerate=self.rate)
self.messageLabel.configure(text="Successfully written to %s" % filename)
except:
self.messageLabel.configure(text="Write failed. Try another image or output filename.")
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-r', '--rate', help="Sample rate in Hz", default=8000, type=int)
parser.add_argument('-t', '--time', help="Duration of the wave in seconds.", default=4, type=int)
parser.add_argument('-v', '--verbose', help="Print information to screen. Dont use if piping stdout to aplay!", action='store_true')
parser.add_argument('-p', '--plot', help="Plot the power spectruem", action='store_true')
parser.add_argument('-o', '--outfile', help="The .wav file to generate. Type '-' for stdout.", default=None, type=str)
parser.add_argument('infile', help="The image file to read in. Type '-' to use test.jpg")
args = parser.parse_args()
if args.outfile == None:
outfile = sys.stdout
else:
outfile = args.outfile
# Open image file and read in the image.
imOrig = Image.open(args.infile)
if imOrig.mode != 'RGB':
raise Exception('Not RGB. %s is invalid.' % imOrig.mode)
imR, imG, imB = imOrig.split() # Split into three images (one for each band).
imYCbCr = imOrig.convert("YCbCr") # Convert the image to YCbCr
imY, imCb, imCr = imYCbCr.split() # Split into three images (one for each band).
if args.verbose:
print_statistics(imOrig)
print_statistics(imR)
print_statistics(imG)
print_statistics(imB)
print_statistics(imYCbCr)
print_statistics(imY)
print_statistics(imCb)
print_statistics(imCr)
if args.plot:
imY.show()
imCb.show()
imCr.show()
plot_histogram(imY)
plot_histogram(imCb)
plot_histogram(imCr)
phi, rad, lum = phi_from_YCbCr(imYCbCr)
amps = get_amplitudes(phi, showPlot=args.plot)
channels = ((super_sine_wave(freqs=TONES, amps=amps, framerate=args.rate),),)
samples = wavebender.compute_samples(channels, nsamples=args.rate*args.time)
wavebender.write_wavefile(outfile, samples=samples, nframes=(args.rate*args.time), nchannels=1, framerate=args.rate)
def startPlaying(self,
frequency=440.0,
amplitude=0.5,
framerate=48000,
duration=60,
bufsize=1024):
if self.isWindows:
while True:
try:
import winsound
winsound.Beep(int(frequency), duration * 1000)
except AttributeError:
pass
if self.play == False:
break
else:
# create stream
channels = ((wb.sine_wave(frequency,
amplitude=amplitude,
framerate=framerate), ), )
nframes = framerate * duration
while self.play:
try:
samples = wb.compute_samples(channels, nframes)
self.audioStream = MyStream(
self.audioDev.open(
format=self.audioDev.get_format_from_width(2),
channels=1,
rate=framerate,
output=True))
wb.write_wavefile(self.audioStream,
samples,
nframes=nframes,
sampwidth=2,
framerate=framerate,
bufsize=bufsize)
except AttributeError:
pass
else:
self.audioStream.stopIt()
self.audioDev.terminate()
return
def write_wave(self):
"""Pull the output path from the write field
and save the sound wave to this file."""
self.messageLabel.configure(text="")
if self.channels is None:
self.messageLabel.configure(text="Must sonify image first.")
return
filename = self.writeEntry.get()
if filename is None:
self.messageLabel.configure(text="Enter a filename to write.")
return
self.messageLabel.configure(text="Writing ...")
self.myParent.update_idletasks()
try:
thisSamples = wavebender.compute_samples(self.channels, nsamples=self.rate*self.time)
wavebender.write_wavefile(filename, samples=thisSamples, nframes=self.rate*self.time,
nchannels=1, framerate=self.rate)
self.messageLabel.configure(text="Successfully written to %s" % filename)
except:
self.messageLabel.configure(text="Write failed. Try another image or output filename.")
def write_wave(self):
self.messageLabel.configure(text="")
if self.samples is None:
self.messageLabel.configure(text="Must sonify image first.")
return
filename = self.writeEntry.get()
if filename is None:
self.messageLabel.configure(text="Enter a filename to write.")
return
self.messageLabel.configure(text="Writing ...")
self.myParent.update_idletasks()
try:
wavebender.write_wavefile(filename,
samples=self.samples,
nframes=self.rate * self.time,
nchannels=1,
framerate=self.rate)
self.messageLabel.configure(text="Successfully written to %s" %
filename)
except:
self.messageLabel.configure(
text="Write failed. Try another image or output filename.")
def sonify_image(self):
self.messageLabel.configure(text="")
if self.targetImage is None:
self.messageLabel.configure(text="Must load an image first.")
return
if self.targetImage.mode != 'RGB':
self.messageLabel.configure(text='Not RGB. %s is invalid.' % self.targetImage.mode)
return
self.messageLabel.configure(text="Converting ...")
self.myParent.update_idletasks()
imYCbCr = self.targetImage.convert("YCbCr") # Convert the image to YCbCr
phi, rad, lum = sonify.phi_from_YCbCr(imYCbCr)
amps = sonify.get_amplitudes(phi, figure=self.powerFigure)
self.powerFigureCanvas.show()
channels = ((sonify.super_sine_wave(freqs=sonify.TONES, amps=amps, framerate=self.rate),),)
self.samples = wavebender.compute_samples(channels, nsamples=self.rate*self.time)
try:
wavebender.write_wavefile('./temp.wav', samples=self.samples, nframes=self.rate*self.time,
nchannels=1, framerate=self.rate)
self.snd.read('./temp.wav')
self.messageLabel.configure(text="Sonification complete.")
except:
self.messageLabel.configure(text="Errors in temp write.")
def create_wavefile(notes1,notes2, fileTime, wavefile, frameRate = 44100):
'''Generates a wavefile given notes for channels 1 and 2'''
# Build each channel
channel1 = (notes1[:])
channel2 = (notes2[:])
channels = (channel1,channel2)
print "Channels constructed"
print "Channels constructed"
# Create a set of samples from these channels
samples = compute_samples(channels, nsamples = fileTime*frameRate)
print "Samples made: writing to wavefile ",wavefile
print "This can take a while, please be patient!"
# Writes the output to the .wav file
write_wavefile(wavefile, samples)
print "File ",wavefile, " written"
b = exp(
linear(sin(linear(x, a=.1 * 2 * math.pi, b=-10 * math.pi / 2)),
a=.5,
b=.5), .5)
return a * b
# args = [2, .5, .5]
channels = ((super_sine_wave(frequency=100.0, amplitude=custom), ),
(super_sine_wave(frequency=140.0, amplitude=custom), ))
duration = 25
samples = compute_samples(channels, duration * 44100)
write_wavefile('100-140 pulse original equation.wav', samples)
# freqs = [20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140]
#
# oscs = [1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0]
# for freq in freqs:
# for osc in oscs:
# amp = [math.sin, osc * 2 * math.pi, -math.pi/2, .5, .5]
# channels = ((sine_wave(frequency = freq, amplitude=amp),),
# (sine_wave(frequency = freq, amplitude=amp),))
# samples = compute_samples(channels, duration * 44100)
# write_wavefile('/Users/kaandonbekci/dev/pervasivetech/Room/audiotory/audio/test/abi{}Hz_{}osc.wav'.format(freq, osc),samples)
# print('finished {}Hz and {}osc.'.format(freq, osc))
# sine = [math.sin, 2 * 2 * math.pi, -math.pi/2, .5, .5, 1]
#
def generate_audio_src_stereo(filename, date):
audio=audio_src(date)
channels = ((audio_src(date), ), (audio_src(date), ) )
samples = compute_samples(channels, None, )
write_wavefile(filename, samples, None, 2, framerate=44100)
#!/usr/bin/env python
import wavebender
from math import cos
import sys
f =open ("test.wav", 'wb');
square_wave = wavebender.square_wave(440.0, amplitude=0.1)
channels = ((square_wave,),)
duration = 2
samples = wavebender.compute_samples(channels, 44100 * duration * 1)
wavebender.write_wavefile(f, samples, 44100 * duration * 1, nchannels=1)
# Written 25/6/14 by dh4gan
# This script tests the wavebender package
# Found at https://github.com/zacharydenton/wavebender
# This is my hack of the binaural.py example file
from wavebender import sine_wave, compute_samples, write_wavefile
channels = ((sine_wave(170.0, amplitude=0.1),),
(sine_wave(178.0, amplitude=0.1),))
samples = compute_samples(channels)
write_wavefile("test.wav", samples)
def _samples_write(self, samples, duration):
#wavebender.write_wavefile(f, samples, 44100 * duration * 1, nchannels=1)
wavebender.write_wavefile(self._wavefile_h, samples,
self.sample_rate * duration * 1,
nchannels=self.nchannels)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-r',
'--rate',
help="Sample rate in Hz",
default=8000,
type=int)
parser.add_argument('-t',
'--time',
help="Duration of the wave in seconds.",
default=4,
type=int)
parser.add_argument(
'-v',
'--verbose',
help="Print information to screen. Dont use if piping stdout to aplay!",
action='store_true')
parser.add_argument('-p',
'--plot',
help="Plot the power spectruem",
action='store_true')
parser.add_argument('-o',
'--outfile',
help="The .wav file to generate. Type '-' for stdout.",
default=None,
type=str)
parser.add_argument(
'infile', help="The image file to read in. Type '-' to use test.jpg")
args = parser.parse_args()
if args.outfile == None:
outfile = sys.stdout
else:
outfile = args.outfile
# Open image file and read in the image.
imOrig = Image.open(args.infile)
if imOrig.mode != 'RGB':
raise Exception('Not RGB. %s is invalid.' % imOrig.mode)
imR, imG, imB = imOrig.split(
) # Split into three images (one for each band).
imYCbCr = imOrig.convert("YCbCr") # Convert the image to YCbCr
imY, imCb, imCr = imYCbCr.split(
) # Split into three images (one for each band).
if args.verbose:
print_statistics(imOrig)
print_statistics(imR)
print_statistics(imG)
print_statistics(imB)
print_statistics(imYCbCr)
print_statistics(imY)
print_statistics(imCb)
print_statistics(imCr)
if args.plot:
imY.show()
imCb.show()
imCr.show()
plot_histogram(imY)
plot_histogram(imCb)
plot_histogram(imCr)
phi, rad, lum = phi_from_YCbCr(imYCbCr)
amps = get_amplitudes(phi, showPlot=args.plot)
channels = ((super_sine_wave(freqs=TONES, amps=amps,
framerate=args.rate), ), )
samples = wavebender.compute_samples(channels,
nsamples=args.rate * args.time)
wavebender.write_wavefile(outfile,
samples=samples,
nframes=(args.rate * args.time),
nchannels=1,
framerate=args.rate)
notes = {
"a_flat" : a_flat_5 ,
"g" : g_5 ,
"f_sharp" : f_sharp_5 ,
"f" : f5 ,
"e" : e5 ,
"e_flat" : e_flat_5 ,
"d" : d5 ,
"c_sharp" : c_sharp_5 ,
"c" : c5 ,
"b" : b4 ,
"b_flat" : b_flat_4 ,
"a" : a_4 ,
}
rate=44100
time=5.0
amplitude=0.3
samplewidth=2 # bytes
for freq in notes:
channels = ((damped_wave(notes[freq], rate, amplitude),),)
# convert the channel functions into waveforms
samples = compute_samples(channels, rate * time)
# write the samples to a file
write_wavefile(freq + ".wav", samples, rate * time, len(channels), samplewidth, rate)