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NTEegIndexChannel

The class of the data channel of the EEG signal indices. The channel determines the rhythms by the EEG signal: alpha, beta, delta, theta. It inherits from the base channel class NTBaseChannel. Notification of new data in the channel is carried out only when the device is connected and the signal is being picked up.

Description

NTEegIndexChannel

Constructor. Channel creation.

Creates a data channel of EEG signal indices.

Parameters:

t3

Description: EEG signal data channel from the overlay area T3

Data type: NTBaseChannel

t4

Description: EEG signal data channel from the overlay area T4

Data type: NTBaseChannel

o1

Description: EEG signal data channel from the overlay area O1

Data type: NTBaseChannel

o2

Description: EEG signal data channel from the overlay area O2

Data type: NTBaseChannel

Return value:

Description: index channel

Data type: NTEegIndexChannel

readData

Function. Channel data request.

Method that returns the requested amount of data.

Parameters:

offset

Description: Offset from the start of the data

Data type: UInt

length

Description: Required number of signal samples.

Data type: UInt

Return value:

Description: array of requested reports

Data type: [NTIndexValues].

setDelayWithSeconds

Function. Setting the width of the index calculation window.

Increase the width of the index calculation window by the specified value in seconds. The default is 2 sec.

Parameters:

delay_seconds

Description: window width

Data type: Double

setWeightCoefficientsWithAlpha

Function. Setting Index Weights.

Sets the proportions of calculations for each of the rhythms. It can take values ​​from 0 to 1.

Parameters:

alpha

Description: alpha index weight

Data type: double

beta

Description: beta index weight

Data type: double

delta

Description: delta index weight

Data type: double

theta

Description: delta index weight

Data type: double

mode

Field. Index calculation mode

Field. Index calculation mode.

Data type. NTEegIndexMode

basePowerLeft

Field. Left side signal strength

Current signal strength on the left side.

Data type. Double

basePowerRight

Field. Right side signal strength

Current signal strength on the right side.

Data type. Double