python实现录音功能（可随时停止录音）实现录音功能（可随时停止录音）
本文实例为大家分享了python实现录音功能的具体代码，供大家参考，具体内容如下
# -*- coding: utf-8 -*-
import pyaudio
import time
import threading
import wave
class Recorder():
def __init__(self, chunk=1024, channels=1, rate=64000):
self.CHUNK = chunk
self.FORMAT = pyaudio.paInt16
self.CHANNELS = channels
self.RATE = rate
self._running = True
self._frames = [] def start(self):
threading._start_new_thread(self.__recording, ())
def __recording(self):
self._running = True
self._frames = [] p = pyaudio.PyAudio()
stream = p.open(format=self.FORMAT,
channels=self.CHANNELS,
rate=self.RATE,
input=True,
frames_per_buffer=self.CHUNK)
while(self._running):
data = stream.read(self.CHUNK)
self._frames.append(data)
stream.stop_stream()
stream.close()
p.terminate()
def stop(self):
self._running = False
def save(self, filename):
p = pyaudio.PyAudio()
if not filename.endswith(".wav"):
filename = filename + ".wav"
wf = wave.open(filename, 'wb')
wf.setnchannels(self.CHANNELS)
wf.setsampwidth(p.get_sample_size(self.FORMAT))
wf.setframerate(self.RATE)
wf.writeframes(b''.join(self._frames))
wf.close()
print("Saved")
if __name__ == "__main__":
for i in range(1,4):
a = int(input('请输入相应数字开始:'))
if a == 1:
rec = Recorder()
begin = time.time()
print("Start recording")
rec.start()
b = int(input('请输入相应数字停止:'))
if b == 2:
print("Stop recording")
rec.stop()
fina = time.time()
t = fina - begin
print('录音时间为%ds'%t)
评论1