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import pyaudio import time import numpy audioChank = 1024 audioWidth = 2 audioRate = 44100 audioChn = 1 input_device_index = 0 p = pyaudio.PyAudio() stream = p.open( format = pyaudio.paInt16,\ channels = audioChn,\ rate = audioRate,\ input_device_index = input_device_index,\ input = True,\ frames_per_buffer = audioChank ) #for i in range( audioRate/audioChank * 60 ): while True: data = stream.read( audioChank ) a = numpy.frombuffer( data, dtype = "int16" ) #convert int print a stream.close() p.terminate()
read()ã§å¾ãããå¤ãåãæ±ãããããã®ã«ããæãnumpyã£ã¦ã®ã使ãã®ãå®çªãããã£ãããread()ã§å¾ãããå¤ã¯ããã«ä¸ãããã©ã¡ã¼ã¿ã®æ´æ°å¤ï¼ä¸ã®ã³ã¼ãã ã¨audioChank == 1024ï¼ã®æ°ã®é
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åã®æ大å¤ã®ã¿ãå¾ã¦ã¿ãã¨ãã¤ã¾ã print a ã®é¨åã print numpy.max( a ) ã¨ããã¨ã
84, 77, 74, 688, 550, 26682, 32373, 1899, 601, 217, 184, 99, 145, 65, 71, 54, 79, 65, 32, 59, 81, 53, 32582, 7460, 1261, 431, 219, 119, 122, 131, 64, 70, 80, 66, 46, 85, 81
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import pyaudio import wave import sys import time if len(sys.argv) < 2: print("Plays a wave file. \n\nUsage:%s "%sys.argv[0]) sys.exit(-1) wf = wave.open( sys.argv[1], 'rb') p = pyaudio.PyAudio() def callback( in_data, frame_count, time_info, status ): data = wf.readframes(frame_count) return (data, pyaudio.paContinue) stream = p.open( format=p.get_format_from_width(wf.getsampwidth()),\ channels = wf.getnchannels(),\ rate = wf.getframerate(),\ output=True,\ stream_callback=callback ) stream.start_stream() while( stream.is_active() ): time.sleep(0.1) stream.stop_stream() stream.close() wf.close() p.terminate()
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import pyaudio p = pyaudio.PyAudio() apiCnt = p.get_host_api_count() print("Host API Count: %d"%apiCnt) for cnt in range(apiCnt): print(p.get_host_api_info_by_index(cnt))
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Host API Count: 1
{'index': 0, 'name': u'Core Audio', 'defaultOutputDevice': 1L, 'type': 5L, 'deviceCount': 5L, 'defaultInputDevice': 0L, 'structVersion': 1L}
å ¥åããã¤ã¹ã¯ä¸ã¤ãããªãããã®ã¤ã³ããã¯ã¹ã¯0ã¨ãã¨ãããã¨ã§ããã¡ã [å·¥ä½ã¨ç«¶é¦¬] ãã»ã¼ä¸¸åãã§ãinput_device_indexã®å¤ã ã0ã«ããäºã§ãMacBook Proã®ãã¤ã¯ããã®é³ãé²é³ãããã¡ã¤ã«ãä½æããäºãåºæ¥ã¾ããã
import pyaudio import wave import time wf = wave.open('text.wav', 'w') wf.setsampwidth(2) wf.setframerate(44100) wf.setnchannels(2) p = pyaudio.PyAudio() input_device_index = 0 def callback(in_data, frame_count, time_info, status): wf.writeframes(in_data) return (None, pyaudio.paContinue) stream = p.open( format = p.get_format_from_width(wf.getsampwidth()),\ channels = wf.getnchannels(),\ rate = wf.getframerate(),\ input_device_index = input_device_index,\ input = True,\ stream_callback = callback) stream.start_stream() time.sleep(5) stream.stop_stream() stream.close() wf.close() p.terminate()
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