class Monitor(threading.Thread):
'''audio monitor thread'''
def __init__(self, device, rate, period):
threading.Thread.__init__(self)
self.pcm = PCM(PCM_PLAYBACK, PCM_NORMAL, device)
self.pcm.setformat(PCM_FORMAT_S16_LE)
self.pcm.setchannels(2)
self.pcm.setrate(rate)
self.pcm.setperiodsize(period)
self.queue = Queue.Queue(256)
self.__stop = False
def run(self):
'''run loop'''
while True:
qsize = self.queue.qsize()
if qsize == 0 and self.__stop:
break
try:
block = self.queue.get(False)
self.pcm.write(block)
except Queue.Empty:
time.sleep(0.01)
def stop(self):
'''set stop flag'''
self.__stop = True
class AudioCapture(object):
def __init__(self):
os = system()
if os == 'Windows':
self.usuario = environ['USERNAME']
else:
self.usuario = environ['USER']
try:
self.capturarAudio()
self.guardarAudio()
except Exception as e:
print e
def capturarAudio(self):
self.captura = PCM(PCM_CAPTURE)
self.captura.setchannels(1) # default 2
self.captura.setrate(44100) # default 44100
self.captura.setformat(PCM_FORMAT_S16_LE) # default PCM_FORMAT_S16_LE
self.captura.setperiodsize(1024) # default 32
def guardarAudio(self):
if not 'audio' in listdir('./'):
mkdir('audio')
tiempo = strftime("%d %b %Y_%H:%M:%S", gmtime())
miAudio = './audio/' + self.usuario + '_' + tiempo + '.wav'
audio = wave.open(miAudio, 'w')
audio.setnchannels(1)
audio.setsampwidth(2)
audio.setframerate(44100)
while True:
try:
length, data = self.captura.read()
audio.writeframes(data)
except KeyboardInterrupt:
break
#!/usr/bin/python2.7 # # Robot Standard Language # v0.1 # # Copyright(C) Joshua Davis # http://covert.codes # Open source, do what you want with it. import numpy from numpy.fft import fft, ifft from numpy.random import random_sample from alsaaudio import PCM, PCM_NONBLOCK, PCM_FORMAT_FLOAT_LE pcm = PCM() #mode = PCM_NONBLOCK) pcm.setrate(4000) pcm.setformat(PCM_FORMAT_FLOAT_LE) pcm.setchannels(1) pcm.setperiodsize(4096) def sin_wave(x, freq=100): sample = numpy.arange(100*4096, (x+1)*4096, dtype=numpy.float32) sample *= numpy.pi * 2 / 44100 sample *= freq return numpy.sin(sample) for x in xrange(1000): sample = sin_wave(x, 100) pcm.write(sample.tostring())
import numpy
from numpy.fft import fft, ifft
from numpy.random import random_sample
from alsaaudio import PCM, PCM_NONBLOCK, PCM_FORMAT_FLOAT_LE
pcm = PCM() #mode=PCM_NONBLOCK)
pcm.setrate(44100)
pcm.setformat(PCM_FORMAT_FLOAT_LE)
pcm.setchannels(1)
pcm.setperiodsize(4096)
def sine_wave(x, freq=100):
sample = numpy.arange(x * 4096, (x + 1) * 4096, dtype=numpy.float32)
sample *= numpy.pi * 2 / 44100
sample *= freq
return numpy.sin(sample)
for x in xrange(1000):
sample = sine_wave(x, 100)
pcm.write(sample.tostring())
