python pyaudo播放wav声音文件

# -*- coding: utf-8 -*-
"""
Created on Fri Jun 21 23:13:56 2019
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@author: Administrator
"""
import pyaudio
import wave

def play():
    chunk=1024  #2014kb
    wf=wave.open(r"output.wav",'rb')
    p=pyaudio.PyAudio()
    stream=p.open(format=p.get_format_from_width(wf.getsampwidth()),channels=wf.getnchannels(),rate=wf.getframerate(),output=True)
 
    data = wf.readframes(chunk)  # 读取数据
        
    while True:
        data=wf.readframes(chunk)
        if data=="":
            break
        stream.write(data)
    stream.stop_stream()   # 停止数据流
    stream.close()
    p.terminate()  # 关闭 PyAudio
    print('play函数结束！')
 
if __name__ == '__main__':
    audio_file='output.wav'  #指定录音文件
    play()                #播放录音文件