def shift_octaves_and_play(self, audio_quantum, octaves):
import numpy as np
from pypitch import PyPitch
ad = audio_quantum.render()
new_data = PyPitch.shiftPitchOctaves(ad.data, octaves)
self.stream.write(new_data.astype(np.int16).tostring())
def shift_octaves_and_play(self, audio_quantum, octaves):
import numpy as np
from pypitch import PyPitch
ad = audio_quantum.render()
new_data = PyPitch.shiftPitchOctaves(ad.data, octaves)
self.stream.write(new_data.astype(np.int16).tostring())
def shift_octaves_and_play(self, audio_quantum, octaves):
"""
Takes an echonest.remix.audio.AudioQuantum and a number of octaves to shift by.
It first shifts the AudioQuantum's semitones by the specified input using pypitch
and then writes the modified data to the stream.
"""
import numpy as np
from pypitch import PyPitch
ad = audio_quantum.render() # gets AudioData object for AudioQuantum
new_data = PyPitch.shiftPitchOctaves(
ad.data, octaves) # shifts octaves using pypitch
self.stream.write(new_data.astype(
np.int16).tostring()) # writes data to stream
def main(input, semitones):
track = audio.LocalAudioFile(input)
collect = []
for section in track.analysis.sections:
section_data = section.render().data
new_data = PyPitch.shiftPitchSemiTones(section_data, semitones)
ts = audio.AudioData(ndarray=new_data,
shape=new_data.shape,
sampleRate=track.sampleRate,
numChannels=new_data.shape[1])
collect.append(ts)
out = audio.assemble(collect, numChannels=2)
out.encode(
input.split('.')[0] + '_' + ('d' if semitones < 0 else 'u') +
str(abs(semitones)) + '.mp3')
def shift_and_play(self, audio_quantum, ratio, semitones): ad = audio_quantum.render() new_data = PyPitch.shiftPitchSemiTones(dirac.timeScale(ad.data, ratio), semitones) self.stream.write(new_data.astype(np.int16).tostring())
def shift_semitones_and_play(self, audio_quantum, semitones): ad = audio_quantum.render() new_data = PyPitch.shiftPitchSemiTones(ad.data, semitones) self.stream.write(new_data.astype(np.int16).tostring())