About Filters – Speed vs Accuracy If you look at the filter graphs in your training software, compare an IIR filter, like an Elliptic, and an FIR filter.  You’ll see that the IIR filter tends to focus on producing a stable response across the whole frequency band of the filter, but the time response changes […]

Sampling Rate (samples per second) The sampling rate is the number of times each second the amplifier grabs a sample of brain activity and brings it to the software.  It shouldn’t affect the frequency (Hz) or amplitude (microvolts) at all, except that perhaps in very high frequencies a very low sampling rate might show less […]

Sync Errors in the software Sync error relates to communication between the amplifier and either its dongle or the computer. BE expects 256 bits of data each second to be coming through the dongle. When something less than that comes, BE warns you that something is interfering with the synchronization of the communication. Most commonly […]