from scipy.io.wavfile import write
import scipy as sp
import pysms
audio_file = "voice.wav"
# analyse audio, also calculate the Discrete Cepstrum Envelope
frames, sms_header, snd_header = \
pysms.analyze(audio_file, env_type=pysms.SMS_ENV_FBINS, env_order=80)
# Set modification parameters
mod_params = pysms.SMS_ModifyParams()
mod_params.maxFreq = 12000 # only calculate envelope up to 12 kHz
mod_params.doSinEnv = True # apply envelope to sinusoidal component
mod_params.doTranspose = True
mod_params.transpose = 4 # 4 semi-tones up
# apply modification to each frame
for frame in frames:
pysms.sms_modify(frame, mod_params)
# Synthesis
output = pysms.synthesize(frames, sms_header)
# convert audio to int values
output /= output.max()
output = sp.asarray(output*32768, sp.int16)
# write output files
write("voice_transposed_env.wav", snd_header.iSamplingRate, output)
from scipy.io.wavfile import write
import scipy as sp
import pysms
audio_file = "voice.wav"
# analyse audio, also calculate the Discrete Cepstrum Envelope
frames, sms_header, snd_header = \
pysms.analyze(audio_file, env_type=pysms.SMS_ENV_FBINS, env_order=80)
# Set modification parameters
mod_params = pysms.SMS_ModifyParams()
mod_params.maxFreq = 12000 # only calculate envelope up to 12 kHz
mod_params.doSinEnv = True # apply envelope to sinusoidal component
mod_params.doTranspose = True
mod_params.transpose = 4 # 4 semi-tones up
# apply modification to each frame
for frame in frames:
pysms.sms_modify(frame, mod_params)
# Synthesis
output = pysms.synthesize(frames, sms_header)
# convert audio to int values
output /= output.max()
output = sp.asarray(output * 32768, sp.int16)
# write output files
write("voice_transposed_env.wav", snd_header.iSamplingRate, output)
# Copyright (c) 2010 John Glover, National University of Ireland, Maynooth
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from scipy.io.wavfile import write
import numpy as np
import pysms
# Simple synthesis by analysis using libsms
input_file = 'flute.wav'
analysis_data, sms_header, snd_header = pysms.analyze(input_file)
audio_out = pysms.synthesize(analysis_data, sms_header)
write("synth.wav", sms_header.iSamplingRate,
np.asarray(audio_out * 32768, dtype=np.int16))
# Copyright (c) 2010 John Glover, National University of Ireland, Maynooth
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from scipy.io.wavfile import write
import numpy as np
import pysms
# Simple synthesis by analysis using libsms
input_file = 'flute.wav'
analysis_data, sms_header, snd_header = pysms.analyze(input_file)
audio_out = pysms.synthesize(analysis_data, sms_header)
write("synth.wav", sms_header.iSamplingRate, np.asarray(audio_out*32768, dtype=np.int16))
for frame_number in range(num_frames):
source_frame = source_frames[frame_number]
target_frame = target_frames[frame_number]
# get the source envelope and put in the mod_params
source_frame.getSinEnv(source_env_mags)
mod_params.setSinEnv(source_env_mags)
# call modifications
sms_modify(target_frame, mod_params)
# change the output number of frames to the minimum of the two frame counts
target_frames = target_frames[0:num_frames]
target_sms_header.nFrames = num_frames
# Synthesis
morph = synthesize(target_frames, target_sms_header)
# convert audio to int values
morph *= 32767
morph *= 0.25 # soopastar sample clips so make output quieter
morph = asarray(morph, int16)
# write output files
write("modify_example_morph.wav", target_snd_header.iSamplingRate, morph)
print "wrote modify_example_morph.wav"
# ----------------------------------------------------------------------------------------
# Transpose without maintaining envelope
# Set modification parameters
mod_params = SMS_ModifyParams()
for frame_number in range(num_frames):
source_frame = source_frames[frame_number]
target_frame = target_frames[frame_number]
# get the source envelope and put in the mod_params
source_frame.getSinEnv(source_env_mags)
mod_params.setSinEnv(source_env_mags)
# call modifications
sms_modify(target_frame, mod_params)
# change the output number of frames to the minimum of the two frame counts
target_frames = target_frames[0:num_frames]
target_sms_header.nFrames = num_frames
# Synthesis
morph = synthesize(target_frames, target_sms_header)
# convert audio to int values
morph *= 32767
morph *= 0.25 # soopastar sample clips so make output quieter
morph = asarray(morph, int16)
# write output files
write("modify_example_morph.wav", target_snd_header.iSamplingRate, morph)
print "wrote modify_example_morph.wav"
# ----------------------------------------------------------------------------------------
# Transpose without maintaining envelope
# Set modification parameters
mod_params = SMS_ModifyParams()