Table 1.
Comparison to other custom-developed EEG acquisition frameworks.
| Device | Wireless EEG [42] (Emotiv EPOC) |
Wireless EEG [43,44] (Emotiv EPOC+) |
Wireless EEG (Our Custom-Made System) |
|---|---|---|---|
| Sampling Frequency (Hz) | 128 | 256 | 1000 |
| Number of Channels | 14 | 14 | 8 |
| Concurrent Acquisition (Maximum) | 9 (N/M 1) | 13 (N/M) | 9 (20) |
| Connection Method | n:n | 1:n | 1:n |
| Basis Software | - | openFrameworks [46] | OpenViBE [47] |
| Synchronization during Experiment | Electrical spark | N/M | Frame number, synchronization module |
| Framework Structure | - | N/M | Described |
| Real-Time Processing 2 | N/M | N/M | Possible |
| Validation | N/M | Total independence [48], auditory ERP | Delay, loss rate, visual ERP |
1 Not mentioned; 2 Real-time function including signal monitoring, sending event trigger, present stimulus, etc.