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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 6161//| length = 8000 // 440
6262//| sine_wave = array.array("H", [0] * length)
6363//| for i in range(length):
64- //| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18 ) * (2 ** 15) + 2 ** 15)
64+ //| sine_wave[i] = int(math.sin(math.pi * 2 * i / length ) * (2 ** 15) + 2 ** 15)
6565//|
6666//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)
6767//| i2s = audiobusio.I2SOut(board.D1, board.D0, board.D9)
Original file line number Diff line number Diff line change 6161//| length = 8000 // 440
6262//| sine_wave = array.array("h", [0] * length)
6363//| for i in range(length):
64- //| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18 ) * (2 ** 15))
64+ //| sine_wave[i] = int(math.sin(math.pi * 2 * i / length ) * (2 ** 15))
6565//|
6666//| dac = audioio.AudioOut(board.SPEAKER)
6767//| sine_wave = audiocore.RawSample(sine_wave)
Original file line number Diff line number Diff line change 6161//| length = 8000 // 440
6262//| sine_wave = array.array("H", [0] * length)
6363//| for i in range(length):
64- //| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18 ) * (2 ** 15) + 2 ** 15)
64+ //| sine_wave[i] = int(math.sin(math.pi * 2 * i / length ) * (2 ** 15) + 2 ** 15)
6565//|
6666//| dac = audioio.AudioOut(board.SPEAKER)
6767//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)
Original file line number Diff line number Diff line change 6363//| length = 8000 // 440
6464//| sine_wave = array.array("H", [0] * length)
6565//| for i in range(length):
66- //| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18 ) * (2 ** 15) + 2 ** 15)
66+ //| sine_wave[i] = int(math.sin(math.pi * 2 * i / length ) * (2 ** 15) + 2 ** 15)
6767//|
6868//| dac = audiopwmio.PWMAudioOut(board.SPEAKER)
6969//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)
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