Try mic program again

Changes

1 changed files (+23/-23)

• mic.py
  • @@ -6,35 +6,35 @@ audio = pyaudio.PyAudio()
    stream = audio.open( format = pyaudio.paInt16, channels = 1, - rate=88200, + rate=200000, input=True ) # https://stackoverflow.com/questions/45908268/how-to-know-the-frequency-of-audio-from-microphone - # https://stackoverflow.com/questions/3694918/how-to-extract-frequency-associated-with-fft-values-in-pytho - curfreq = 0 - stop = False - + # https://stackoverflow.com/questions/3694918/how-to-extract-frequency-associated-with-fft-values-in-python + playingfreq = 0 + lastfreq = 0 while True: - chunk = stream.read(4096) + chunk = stream.read(10000) w = np.fft.fft(list(chunk))[10:200] - f = np.fft.fftfreq(8192) + f = np.fft.fftfreq(20000) i = 10+np.argmax(np.abs(w)) mag = abs(w[i-10]) - freq = abs(2 * f[i] * 88200) + freq = abs(2 * f[i] * 200000) - if mag > 100000 and curfreq == 0: - # Detected mic input - # Start new freq - stop = False - curfreq = freq - print('Starting', curfreq) - get('http://10.242.6.228:5000/startfreq/' + str(curfreq)) - elif mag <= 100000 or abs(curfreq-freq) > 20: - if stop and curfreq != 0: - print('Stopping', curfreq) - get('http://10.242.6.228:5000/stopfreq/' + str(curfreq)) - curfreq = 0 - else: - # Stop next round - stop = True + if mag <= 200000: + freq = 0 + + print(freq) + + if playingfreq != 0 and abs(freq-playingfreq) > 20 and abs(lastfreq-playingfreq) > 20: + # Stop playing + print('Stopping', playingfreq) + get('http://10.242.6.228:5000/stopfreq/' + str(playingfreq)) + playingfreq = 0 + if freq != 0 and playingfreq == 0 and abs(freq-lastfreq) <= 20: + # Nothing playing and freq matches last freq + print('Starting', freq) + get('http://10.242.6.228:5000/startfreq/' + str(freq)) + playingfreq = freq + lastfreq = freq