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import sounddevice as sd
import matplotlib.pyplot as plt
import numpy as np
import platform
if __name__ == '__main__':
# If you got "ValueError: No input device matching", that is because your PC name example device
# differently from tested list below. Uncomment the next line to see full list and try to pick correct one
# print(sd.query_devices())
fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording
if platform.system() == 'Windows':
# WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows)
device = 'Microphone (MicNode_4_Ch), Windows WDM-KS'
elif platform.system() == 'Darwin':
device = 'MicNode_4_Ch'
else:
device ='default'
myrecording = sd.rec(int(duration * fs), samplerate=fs, channels=4, dtype='int16', device=device)
print('Waiting...')
sd.wait() # Wait until recording is finished
print('Done!')
time = np.arange(0, duration, 1 / fs) # time vector
plt.plot(time, myrecording)
plt.xlabel('Time [s]')
plt.ylabel('Amplitude')
plt.title('MicNode 4 Channel')
plt.show()
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