python_0">python监听环境内是否有声音
首先使用pyaudio打开麦克风，并开始录音。然后使用一个while循环来不断读取麦克风录取的音频数据，然后使用numpy来分析音频数据是否有声音。当检测到有声音时，会打印"有声音"并退出循环。最后关闭录音流和释放资源。
python">
import pyaudio
import numpy as npCHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100audio = pyaudio.PyAudio()stream = audio.open(format=FORMAT, channels=CHANNELS,rate=RATE, input=True,frames_per_buffer=CHUNK)print("Listening...")while True:data = np.frombuffer(stream.read(CHUNK), dtype=np.int16)if np.max(data) > 1000: # 判断是否有声音print("有声音")breakstream.stop_stream()
stream.close()
audio.terminate()
