[英]PyAudio recording/capturing and stop/terminate in Python on Raspi
我不是Python的專家,試圖通過USB音頻設備捕獲/記錄音頻。 在命令終端上工作正常。 但是我想制作一個只錄制音頻並在需要時停止的程序。
我聽說過ab8 Pyaudio庫,該庫具有某些API可以執行此工作(例如pyaudio.PyAudio(),pyaudio.Pyaudio.open(),pyaudio.stream,pyaudio.stream.close,pyaudio.PyAudio.terminate().... 。
有人可以幫助制作一個簡單的Python錄音程序嗎? 謝謝。
我只是在命令前面添加相關注釋,如果您想清除更多的內容,請告訴我
import pyaudio, wave, sys
CHUNK = 8192
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100
RECORD_SECONDS = 10
WAVE_OUTPUT_FILENAME = 'Audio_.wav'
p = pyaudio.PyAudio()
stream = p.open(format=FORMAT,
channels = CHANNELS,
rate = RATE,
input = True,
input_device_index = 0,
frames_per_buffer = CHUNK)
print("* recording")
frames = []
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
data = stream.read(CHUNK)
frames.append(data)
print("* done recording")
stream.stop_stream() # "Stop Audio Recording
stream.close() # "Close Audio Recording
p.terminate() # "Audio System Close
wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()
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