"AudioLazy Band Show" Python Nordeste 2014 talk proposal description

python_nordeste_show.py

# -*- coding: utf-8 -*-
# Created on Wed Jan  8 04:03:53 2014
# @author: Danilo J. S. Bellini

# Python Nordeste 2014 talk proposal description
# http://2014.pythonnordeste.org/

# Type it in IPython Shell.

# Using this as a script would need to replace lazy_band assignment to
# something like "import pylab as lazy_band"

"""
AudioLazy Band Show
"""

from audiolazy import *

contents = """

Som
Música
Voz
Pedaleira
Synth
Afinador
TempoReal
PythonPuro
DSP(DigitalSignalProcessing)!

""".split()

s, Hz = sHz(44100)
hp = highpass(400 * Hz)
lazy_band = hp.plot()

contents.pop(1).endswith("a") # Truly
lazy_band.show()

freq = str2freq("Ax3") * Hz
dur = 2 * s
snd = saw_table(freq) * line(dur)

with AudioIO(True) as player:
    player.play(hp(snd))