feature extraction on recorded data vs. live data.

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Jun W
Jun W 2018년 5월 8일
댓글: Walter Roberson 2018년 5월 13일
I found this tutorial on feature extration and training using recorded data. https://www.youtube.com/watch?v=VO0d6EuGpO0
What is the difference between recorded data and live data's feature extraction and training? Thanks!!!!

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Walter Roberson
Walter Roberson 2018년 5월 8일
Different routines are used to fetch the data that is used for training. Once the data is obtained, the code is the same.
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Walter Roberson
Walter Roberson 2018년 5월 13일
That device is for a consumer level mono microphone input, which would be expecting high impedance and about 0.86 volts AC peak-to-peak. Your device is 15 V DC. I do not think it can produce negative voltages, but I am not certain; I do not know enough about how those devices work and I cannot find the specification sheet for that particular device.
At the very least you would have to put it through a resistor to lower the voltage, and I would be concerned about the current capacity.
I do not know. That adapter looks very cheaply made, and I would not trust it for this purpose.

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