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Enhance plot script.

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HiFiPhile 2023-10-10 18:25:14 +02:00
parent 2ba760a1c1
commit 20699e30dd
1 changed files with 6 additions and 1 deletions
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7
examples/device/audio_4_channel_mic/src/plot_audio_samples.py
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@ -10,7 +10,7 @@ if __name__ == '__main__':
# print(sd.query_devices()) # print(sd.query_devices())
fs = 48000 # Sample rate fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording duration = 20e-3 # Duration of recording
if platform.system() == 'Windows': if platform.system() == 'Windows':
# WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows) # WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows)
@ -25,9 +25,14 @@ if __name__ == '__main__':
sd.wait() # Wait until recording is finished sd.wait() # Wait until recording is finished
print('Done!') print('Done!')
time = np.arange(0, duration, 1 / fs) # time vector time = np.arange(0, duration, 1 / fs) # time vector
# strip starting zero
myrecording = myrecording[100:]
time = time[100:]
plt.plot(time, myrecording) plt.plot(time, myrecording)
plt.xlabel('Time [s]') plt.xlabel('Time [s]')
plt.ylabel('Amplitude') plt.ylabel('Amplitude')
plt.title('MicNode 4 Channel') plt.title('MicNode 4 Channel')
plt.legend(['CH-1', 'CH-2', 'CH-3','CH-4'])
plt.show() plt.show()