def play(data, rate=44100):
''' Send audio array to pygame for playback
'''
pygame.mixer.init(rate, -16, 1, 1024)
sound = pygame.sndarray.numpysnd.make_sound(encode.as_int16(data))
length = sound.get_length()
sound.play()
pygame.time.wait(int(length * 1000))
pygame.quit()
def pygame_play(data, rate=44100): ''' Send audio array to pygame for playback ''' import pygame pygame.mixer.init(rate, -16, 1, 1024) sound = pygame.sndarray.numpysnd.make_sound(encode.as_int16(data)) length = sound.get_length() sound.play() pygame.time.wait(int(length * 1000)) pygame.mixer.quit()
def save_wave(data, path, rate=44100):
''' Save audio data to wave file, currently only 16bit
'''
fp = wave.open(path, 'w')
fp.setnchannels(1)
fp.setframerate(rate)
fp.setsampwidth(2)
fp.setnframes(len(data))
data = encode.as_int16(data)
fp.writeframes(data.tostring())
fp.close()
def save_wave(data, path, rate=44100): ''' Save audio data to wave file, currently only 16bit ''' import wave fp = wave.open(path, 'w') fp.setnchannels(1) fp.setframerate(rate) fp.setsampwidth(2) fp.setnframes(len(data)) data = encode.as_int16(data) fp.writeframes(data.tostring()) fp.close()
def oss_play(data, rate=44100):
''' Send audio array to oss for playback
'''
import ossaudiodev
audio = ossaudiodev.open('/dev/audio', 'w')
formats = audio.getfmts()
if ossaudiodev.AFMT_S16_LE in formats:
# Use 16 bit if available
audio.setfmt(ossaudiodev.AFMT_S16_LE)
data = encode.as_int16(data)
elif ossaudiodev.AFMT_U8 in formats:
# Otherwise use 8 bit
audio.setfmt(ossaudiodev.AFMT_U8)
data = encode.as_uint8(data)
audio.speed(rate)
while len(data):
audio.write(data[:1024])
data = data[1024:]
audio.flush()
audio.sync()
audio.close()
def oss_play(data, rate=44100):
''' Send audio array to oss for playback
'''
import ossaudiodev
audio = ossaudiodev.open('/dev/audio','w')
formats = audio.getfmts()
if ossaudiodev.AFMT_S16_LE & formats:
# Use 16 bit if available
audio.setfmt(ossaudiodev.AFMT_S16_LE)
data = encode.as_int16(data)
elif ossaudiodev.AFMT_U8 & formats:
# Otherwise use 8 bit
audio.setfmt(ossaudiodev.AFMT_U8)
data = encode.as_uint8(data)
audio.speed(rate)
while len(data):
audio.write(data[:1024])
data = data[1024:]
audio.flush()
audio.sync()
audio.close()
