def write_wav(data, filename, framerate, amplitude, length):
wavfile = wave.open(filename,'w')
nchannels = 1
sampwidth = 2
framerate = framerate
nframes = length
comptype = "NONE"
compname = "not compressed"
wavfile.setparams((nchannels,
sampwidth,
framerate,
nframes,
comptype,
compname))
frames = []
for s in data:
mul = int(s * amplitude)
print("I am here")
print(mul)
frames.append(struct.pack('h', mul))
frames = ''.join(frames)
wavfile.writeframes(frames)
wavfile.close()
print("%s written" %(filename))
def save_file(filename):
wavfile = wave.open(filename, "w")
# wav parameters
# Number of channels
nchannels = 1
# Sample width in bytes
sampwidth = 2
# Number of frames or samples
nframes = len(data)
comptype = "NONE"
compname = "not compressed"
wavfile.setparams(
(nchannels, sampwidth, samples, nframes, comptype, compname))
for sample in data:
"""
struct - Takes the data from my "data" list and packs it as binary data or else
the file is not readable by an audio player.
h - Means 16 bit number
32767.0 - The floating point numbers are not represented right and will not work
when writing to the wave file. Convert the floating point numbers to fixed point
to get full scale audio.
"""
wavfile.writeframes(struct.pack('h', int(sample * 32767.0)))
wavfile.close()
return
def load(self, originalname):
# Load + convert audio
print("Loading sound file <{}>...".format(originalname))
name = originalname.split(".")[0]
ext = originalname.split(".")[-1].lower()
audiofile = originalname
if ext == MP3:
newfilename = name + ".wav"
old = AudioSegment.from_mp3(audiofile)
old.export(newfilename, format=WAV)
self.filename = newfilename
elif ext == PCM:
print "This is a PCM file!"
pcmfile = open(audiofile, 'rb')
pcmdata = pcmfile.read()
pcmfile.close()
wavfile = wave.open(name + '.wav', 'wb')
wavfile.setparams((1, 2, 44100, 16, 'NONE', 'NONE'))
wavfile.writeframes(pcmdata)
wavfile.close()
self.filename = name + ".wav"
else:
self.filename = audiofile
def write_wav(data, filename, framerate, amplitude):
wavfile = wave.open(filename,'w')
nchannels = 1
sampwidth = 2
framerate = framerate
nframes = len(data)
comptype = "NONE"
compname = "not compressed"
wavfile.setparams((nchannels,
sampwidth,
framerate,
nframes,
comptype,
compname))
frames = []
for s in data:
mul = int(s * amplitude)
frames.append(struct.pack('h', mul))
frames = ''.join(frames)
wavfile.writeframes(frames)
wavfile.close()
print("%s written" %(filename))