use OSC from air Mac Air Line Out to connect IBVA hardware ch 1 and ch 2 input.

100K / 30 ohm attenuator. Mac Air Max Line Output is 747 p-p mV.

from IBVA hardware M type 8 mm Jack stereo connector connect one side to Mac Pro Line left input to show signal in the Sound window. Max line input is 343 p-p mV.

3000 / 200 attenuator and filter, 2 .. 100 Hz 0dB, 1 .. 200 -3dB, 300 Hz -6dB

other side connect to iPhone mic input. 

3000 / 30 attenuator and filter, 2 .. 300 Hz 0dB, 1 .. 400 -3dB, 600 Hz -6dB

shows Brain wave window directory IBVA hardware Bluetooth connection.

change input V to IBVA hardware ( input V to brain wave input connector ) by Air Mac sound volume control.

IBVA : 2..300 Hz -0dB, 1..320Hz -3dB

Mac Air + IBVA : 5..300 Hz -0dB, 3..320Hz -3dB, 2Hz -6dB

Mac Air + Mac Pro : 30..17KHz -0dB, 10..19KHz -3dB, 5..20KHz -6dB, 3Hz -12dB

Mac Air + IBVA + Mac Pro : 30..300 Hz -0dB, 10..800 -3dB, 5..2000 -6dB, 3Hz -12dB

Mac Air + IBVA + iPhone MIC : 100..200 -0dB, 50..400 -3dB, 20..600 -6dB, 10 Hz -12dB

Not yet test for iPhone Stereo Line input.

A:

set 20 to 300 Hz 10000 m sec auto loop scan Sine wave.

IBVA set 960 Hz sampling 128 Point FFT.

Sound Window setup is 44100 Hz sampling 4096 Point FFT.

B:

set 1 to 60 Hz 10000 m sec auto loop scan Sine wave.

IBVA set 960 Hz sampling 1024 Point FFT.

Sound Window setup 44100 Hz sampling 32768 Point FFT.