Python Audio.plotの例

コード例 #1

@author: Ronny Andersson ([email protected])
@copyright: (c) 2015 Ronny Andersson
@license: MIT
'''

# standard library
import logging

# custom libraries
from zignal.audio import Audio, FourierSeries

if __name__ == '__main__':
    logging.basicConfig(format='%(levelname)-7s: %(module)s.%(funcName)-15s %(message)s',
                        level='DEBUG')

    dur = 0.1
    f0  = 20

    k   = Audio()
    x0  = FourierSeries(f0=f0, duration=dur, harmonics=0,  gaindb=-15)  # fundamental + 0 harmonics
    x1  = FourierSeries(f0=f0, duration=dur, harmonics=1,  gaindb=-15)  # fundamental + 1 harmonics
    x2  = FourierSeries(f0=f0, duration=dur, harmonics=2,  gaindb=-9)   # fundamental + 2 harmonics
    x3  = FourierSeries(f0=f0, duration=dur, harmonics=3,  gaindb=-9)   # ...
    x4  = FourierSeries(f0=f0, duration=dur, harmonics=4,  gaindb=-3)
    x5  = FourierSeries(f0=f0, duration=dur, harmonics=5,  gaindb=-3)
    x60 = FourierSeries(f0=f0, duration=dur, harmonics=60, gaindb=0)    # fundamental + 60 harmonics

    k.append(x0, x1, x2, x3, x4, x5, x60)
    print(k)
    k.plot(ch='all')

コード例 #2

ファイル: ex_fourier.py プロジェクト: adrian-stepien/zignal

@copyright: (c) 2015 Ronny Andersson
@license: MIT
'''

# standard library
from __future__ import print_function
import logging

# custom libraries
from zignal.audio import Audio, FourierSeries

if __name__ == '__main__':
    logging.basicConfig(format='%(levelname)-7s: %(module)s.%(funcName)-15s %(message)s',
                        level='DEBUG')
    
    dur = 0.1
    f0  = 20
    
    k   = Audio()
    x0  = FourierSeries(f0=f0, duration=dur, harmonics=0,  gaindb=-15)  # fundamental + 0 harmonics
    x1  = FourierSeries(f0=f0, duration=dur, harmonics=1,  gaindb=-15)  # fundamental + 1 harmonics
    x2  = FourierSeries(f0=f0, duration=dur, harmonics=2,  gaindb=-9)   # fundamental + 2 harmonics
    x3  = FourierSeries(f0=f0, duration=dur, harmonics=3,  gaindb=-9)   # ...
    x4  = FourierSeries(f0=f0, duration=dur, harmonics=4,  gaindb=-3)
    x5  = FourierSeries(f0=f0, duration=dur, harmonics=5,  gaindb=-3)
    x60 = FourierSeries(f0=f0, duration=dur, harmonics=60, gaindb=0)    # fundamental + 60 harmonics
    
    k.append(x0, x1, x2, x3, x4, x5, x60)
    print(k)
    k.plot(ch='all')

コード例 #3

ファイル: ex_append.py プロジェクト: ronnyandersson/zignal

@license: MIT
'''

# standard library
import logging

# custom libraries
from zignal.audio import Audio, Sinetone, Noise

if __name__ == '__main__':
    logging.basicConfig(
        format='%(levelname)-7s: %(module)s.%(funcName)-15s %(message)s',
        level='DEBUG')

    fs = 10000
    f0 = 10
    dur = 0.1

    x1 = Sinetone(f0=f0, fs=fs, duration=dur + 0.2, gaindb=0)
    xn = Noise(fs=fs, duration=dur, gaindb=-20)
    x = Audio(fs=fs)

    print(x)

    x.append(xn, x1)
    del x1, xn

    print(x)

    x.plot(ch='all')

コード例 #4

ファイル: ex_append.py プロジェクト: adrian-stepien/zignal

@license: MIT
'''

# standard library
from __future__ import print_function
import logging

# custom libraries
from zignal.audio import Audio, Sinetone, Noise

if __name__ == '__main__':
    logging.basicConfig(format='%(levelname)-7s: %(module)s.%(funcName)-15s %(message)s',
                        level='DEBUG')
    
    fs  = 10000
    f0  = 10
    dur = 0.1
    
    x1  = Sinetone(f0=f0, fs=fs, duration=dur+0.2, gaindb=0)
    xn  = Noise(fs=fs, duration=dur, gaindb=-20)
    x   = Audio(fs=fs)
    
    print(x)
    
    x.append(xn, x1)
    del x1, xn
    
    print(x)
    
    x.plot(ch='all')