python實現錄音功能(可隨時停止錄音)
阿新 • • 發佈:2020-10-28
本文例項為大家分享了python實現錄音功能的具體程式碼,供大家參考,具體內容如下
# -*- 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('請輸入相應數字開始:')) if a == 1: rec = Recorder() begin = time.time() print("Start recording") rec.start() b = int(input('請輸入相應數字停止:')) if b == 2: print("Stop recording") rec.stop() fina = time.time() t = fina - begin print('錄音時間為%ds'%t) rec.save("1_%d.wav"%i)
本人在嘗試語音識別領域的研究,歡迎一起探討。
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