samplerate = 44100 # CD quality would be nice.
output = wave.open("fs-101.wav", "wb") # Write to this file.
output.setnchannels(1) # Make it mono.
output.setsampwidth(2) # Hopefully this makes it 16-bit.
output.setframerate(samplerate) # This should make it the quality specified above.
duration_in_samples = samplerate * (filter_release / 1000.0) + 1 # Work out the number of samples.
output.setnframes(duration_in_samples - 1) # Specify that number.
output.setcomptype("NONE", "not compressed") # Don't compress it.
percenter = 0
for time in range(1, duration_in_samples): # Do the magic!
if int((time / duration_in_samples) * 100) != percenter:
percenter = int((time / duration_in_samples) * 100)
print percenter, "%"
osc_1 = mod_synth.osc_sawtooth((1.0 * time * frequency) / samplerate, 1 - (time / duration_in_samples)) # Generate first wave. This should be changed to take "waveform" into account, and to use "filter_attack" and "filter_release".
osc_2 = mod_synth.osc_sawtooth((1.0 * harmonic * time * (frequency)) / samplerate, 1 - (time / duration_in_samples)) # Generate second wave. Change as above.
wavestate = (osc_1 + osc_2) / 2 # Mix the two waveforms together equally. This should be changed to take "mix" into account.
wavestate = (wavestate + 1) / 2 # Turn the range from [-1 to 1] to [0 to 1].
wavestate = int(wavestate * 65535) # Make it a 16-bit integer.
wavestate = wavestate + 32768 # Shift the whole thing
if wavestate > 65535:
wavestate = wavestate - 65536 # Still shifting
rightbyte = operator.mod(wavestate, 256)# Get the last eight bits
leftbyte = (wavestate - rightbyte) / 256# Get the first eight bits
output.writeframes(chr(rightbyte)) # Write the right half
output.writeframes(chr(leftbyte)) # Write the left half
output.close()
output.setsampwidth(2) # Hopefully this makes it 16-bit.
output.setframerate(samplerate) # This should make it the quality specified above.
duration_in_samples = samplerate * (duration_in_ms / 1000.0) + 1 # Work out the number of samples.
output.setnframes(duration_in_samples - 1) # Specify that number.
output.setcomptype("NONE", "not compressed") # Don't compress it.
def subtle_lfo(time):
time = time - math.floor(time)
return math.sin(2 * math.pi * time) * 0.01
percenter = 0
for time in range(1, duration_in_samples): # Do the magic!
if int((time / duration_in_samples) * 100) != percenter:
percenter = int((time / duration_in_samples) * 100)
print percenter
osc_1 = mod_synth.osc_sawtooth((1.0 * time * fundamental_harmonic) / samplerate, (time / duration_in_samples)) # Generate stable ramp wave
osc_2 = mod_synth.osc_sawtooth((2.0 * time * (fundamental_harmonic + subtle_lfo(time / duration_in_samples))) / samplerate, (time / duration_in_samples)) # Generate unstable ramp wave, an octave up
wavestate = (osc_1 + osc_2) / 2
wavestate = (wavestate + 1) / 2 # Turn the range from (-1 to 1) to (0 to 1).
wavestate = int(wavestate * 65535) # Make it a 16-bit integer.
wavestate = wavestate + 32768 # Shift the whole thing
if wavestate > 65535:
wavestate = wavestate - 65536 # Still shifting
rightbyte = operator.mod(wavestate, 256)# Get the last eight bits
leftbyte = (wavestate - rightbyte) / 256# Get the first eight bits
output.writeframes(chr(rightbyte)) # Write the right half
output.writeframes(chr(leftbyte)) # Write the left half
output.close()
duration_in_ms = decay_in_ms # This'll get more complex if I use an ADSR contour generator
output = wave.open("fs-1.wav", "wb") # Write to this file.
output.setnchannels(1) # Make it mono.
output.setsampwidth(2) # Hopefully this makes it 16-bit.
output.setframerate(samplerate) # This should make it the quality specified above.
duration_in_samples = samplerate * (duration_in_ms / 1000.0) + 1 # Work out the number of samples.
output.setnframes(duration_in_samples - 1) # Specify that number.
output.setcomptype("NONE", "not compressed") # Don't compress it.
percenter = 0
for time in range(1, duration_in_samples): # Do the magic!
if int((time / duration_in_samples) * 100) != percenter:
percenter = int((time / duration_in_samples) * 100)
print percenter
osc_1 = mod_synth.osc_sawtooth((1.0 * time * fundamental_harmonic) / samplerate, 1 - (time / duration_in_samples)) # Generate first wave
osc_2 = mod_synth.osc_sawtooth((1.0 * osc2_shift * time * (fundamental_harmonic)) / samplerate, 1 - (time / duration_in_samples)) # Generate second wave
wavestate = (osc_1 + osc_2) / 2 # Mix the two waveforms together equally
wavestate = (wavestate + 1) / 2 # Turn the range from [-1 to 1] to [0 to 1].
wavestate = int(wavestate * 65535) # Make it a 16-bit integer.
wavestate = wavestate + 32768 # Shift the whole thing
if wavestate > 65535:
wavestate = wavestate - 65536 # Still shifting
rightbyte = operator.mod(wavestate, 256)# Get the last eight bits
leftbyte = (wavestate - rightbyte) / 256# Get the first eight bits
output.writeframes(chr(rightbyte)) # Write the right half
output.writeframes(chr(leftbyte)) # Write the left half
output.close()
