How to convert dB to Hz

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quarinteen
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Joined: Mon Oct 18, 2021 4:11 pm

How to convert dB to Hz

Post by quarinteen »

What is the relationship to Hz from dB on the raw page?
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James
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Joined: Wed Jan 02, 2013 9:06 pm

Re: How to convert dB to Hz

Post by James »

The RAW EEG shows voltage from the sensor electrodes, not frequency or power (bels).

On a super basic level, this is how the math/graphs work:

RAW EEG voltages -> FFT calculation and binning -> Discrete frequency graph with powers per frequency -> Grouping of frequency powers -> Absolute Graph.
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