Specifications
Hardware Specifications
Brain amplifier unit:
Default setup: 0.16 Hz .. 40 Hz (-3db) 120 Hz sampling (Similar as original IBVA).
0.16 Hz .. 900 Hz (-3bd) flat high quality DC coupling amplifier.
12 Hz to 900 Hz programable high cut frequency filter.
120 Hz to 1920 Hz programable sampling frequency.
0.2 µV to 200 µVp-p input range.
10 M ohm balanced input resistance with high voltage input protection.
fB = 10 Hz to 10 KHz : 0.85 μVrms
fB = 0.1 Hz to 10 Hz : 1.2 μVp-p
Current noise:
fB = 0.1 Hz to 10 Hz : 23 fAp-p
fo = 0.1 Hz to 20 KHz : 1.2 fA/*Hz
Input Bias current:
4 pA (TYP)
Bluetooth interface:
class 2 Bluetooth 1.1 specification device.
Encryption
128-bit
RF-Wireless Frequency
2400 - 2483.5 MHz for USA/Europe/Japan
2446.5 to 2483.5 MHz France
Range
Sensor cable:
three electrode sensor pad for attach forehead.
headband to hold sensor pad.
one ear clip for body ground.
1 m cable with 3 pin connector to sensor pad, era clip. 6 pin connector to brain amplifier unit.
Power source:
One 9V alkaline battery is included.
006P snap connector cable connection.
wide voltage range: 5.6 V to 16 V DC.
current: 160 mA .. 200 mA
type 180 mA. (when 120 Hz sampling)
type 200 mA. (when high frequency sampling)
operating time is depend on battery and usage condition:
9V alkaline : 1.5 .. 2.5 hours
rechargeable NiMH 7.2 V 300 mAh : 1.5 .. 1.6 hours (charge time 16 hours)
long time operation:
Dimensions:
brain amplifier unit size : 2.6 X 5.6 X 1.05 Inch, ( 6.6 X 14.2 X 2.27 cm )
travel case size : 6.1 X 6.1 X 1.55 Inch, ( 15.5 X 15.5 X 3.9 cm )
Total package weight : about 14.1 ounce, ( 400 gram )
Software Specifications
Recommended Mac system to run IBVA4 application:
Any OSX10.4.X Tiger Power PC and/or Intel Mac.
5 GB free space for HD.
50 MB RAM space.
DVD drive.
nice speed with Intel Core Duo and/or Dual G5 processor.
1.0 GHz up is ok, 1.5GHz up is better.
Max recording time and brain data file size:
max. recording time and brain data file size is depend on sampling frequency.
Max 8 hours recording when 120 Hz sampling.
Max 4 hours recording when 240 Hz sampling.
Max 2 hours recording when 480 Hz sampling.
brain data file size about 100 MB when max recording time.
Graphic display:
Rawwave, Bargraph, Waterfall and Waterfall brain switch left/right and coherence.
Interactive brain switch editing.
0 Hz to 900 Hz display, max 8192 point FFT.
Additional future:
Quartz composer IBVA4 plugin : brain VJ
Audio unit brain plugin : brain DJ
Apple script support : automation
Brain VJ notification : animation and sound control
Only once need to setup bluetooth port pairing which Mac need to recognize bluetooth device.
