python读取wav文件并播放[pyaudio/wave]

#!/usr/bin/python

# encoding:utf-8

import pyaudio

import wave

CHUNK = 1024

# 从目录中读取语音

wf = wave.open('mic4.wav', 'rb')

# read data

data = wf.readframes(CHUNK)

# 创建播放器

p = pyaudio.PyAudio()

# 获得语音文件的各个参数

FORMAT = p.get_format_from_width(wf.getsampwidth())

CHANNELS = wf.getnchannels()

RATE = wf.getframerate()

print('FORMAT: {} \nCHANNELS: {} \nRATE: {}'.format(FORMAT, CHANNELS, RATE))

# 打开音频流， output=True表示音频输出

stream = p.open(format=FORMAT,

                channels=CHANNELS,

                rate=RATE,

                frames_per_buffer=CHUNK,

                output=True)

# play stream (3) 按照1024的块读取音频数据到音频流，并播放

while len(data) > 0:

    stream.write(data)

    data = wf.readframes(CHUNK)