diff options
| author | Anthony Wang | 2022-10-03 22:26:47 -0400 |
|---|---|---|
| committer | Anthony Wang | 2022-10-03 22:26:47 -0400 |
| commit | af5e81248958bf7f57f2cb56742bef96c1942e70 (patch) | |
| tree | 1ed4753b20fd76d46ec86551a8828f68e97787ad | |
| parent | fa498f76c8d7eb44cb23670d9c4b11af36e772fb (diff) | |
Try mic program again
| -rw-r--r-- | mic.py | 46 |
1 files changed, 23 insertions, 23 deletions
@@ -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 |