stream = p.open(format=pyaudio.paInt32,
channels=num_channels,
rate=Fs,
input=False,
output=True)
input_string = wf.readframes(1) # Get first frame
while input_string != '':
# Convert string to number
input_tuple = struct.unpack('h', input_string) # One-element tuple
input_value = input_tuple[0] # Number
# Compute output value
output_value = clipping.clip32(input_value * gain) # Number
# Convert output value to binary string
output_string = struct.pack('hh', 0, output_value)
k = []
for r in output_string:
k.append(r)
print k
# Write output value to audio stream
stream.write(output_string)
# Get next frame
input_string = wf.readframes(1)
print("**** Done ****")
stream = p.open(format = pyaudio.paInt32,
channels = num_channels,
rate = Fs,
input = False,
output = True )
input_string = wf.readframes(1) # Get first frame
while input_string != '':
# Convert string to number
input_tuple = struct.unpack('h',input_string) # One-element tuple
input_value = input_tuple[0] # Number
# Compute output value
output_value = clipping.clip32(input_value * gain) # Number
# Convert output value to binary string
output_string = struct.pack('hh',0,output_value)
k=[]
for r in output_string:
k.append(r)
print k
# Write output value to audio stream
stream.write(output_string)
# Get next frame
input_string = wf.readframes(1)
print("**** Done ****")
if bitformat == 16:
# Convert string to number
input_tuple = struct.unpack('h', input_string) # One-element tuple
input_value = input_tuple[0] # Number
# Compute output value
output_value = clipping.clip16(gain * input_value) # Number
# Convert output value to binary string
output_string = struct.pack('h', output_value)
elif bitformat == 32:
input_tuple = struct.unpack('f', input_string) # One-element tuple
input_value = input_tuple[0] # Number
output_value = clipping.clip32(gain * input_value) # Number
output_string = struct.pack('f', output_value) # Convert output value to binary string
# Write output value to audio stream
stream.write(output_string)
# Get next frame
input_string = wf.readframes(1)
elif num_channels == 2:
while input_string != '':
if bitformat == 16:
# Convert string to numbers
input_tuple = struct.unpack('hh',input_string) # produces a two-element tuple
# Compute output values
output_value0 = clipping.clip16(gain * input_tuple[0])
output_value1 = clipping.clip16(gain * input_tuple[1])
if bitformat == 16:
# Convert string to number
input_tuple = struct.unpack('h', input_string) # One-element tuple
input_value = input_tuple[0] # Number
# Compute output value
output_value = clipping.clip16(gain * input_value) # Number
# Convert output value to binary string
output_string = struct.pack('h', output_value)
elif bitformat == 32:
input_tuple = struct.unpack('f', input_string) # One-element tuple
input_value = input_tuple[0] # Number
output_value = clipping.clip32(gain * input_value) # Number
output_string = struct.pack(
'f', output_value) # Convert output value to binary string
# Write output value to audio stream
stream.write(output_string)
# Get next frame
input_string = wf.readframes(1)
elif num_channels == 2:
while input_string != '':
if bitformat == 16:
# Convert string to numbers
input_tuple = struct.unpack(
'hh', input_string) # produces a two-element tuple
# Compute output values
