Active Noise Cancellation of surrounding noise using dedicated mic to the headset. The inverted signal from the dedicated mic will be added to the actual audio signal to suppress the noise effect for the ears.
FPGA: Spartan XC6SLX9 MicroChip 18F4550 PWM to Analogue (Resistor-capasitor) DAC
Xilinx ISE v14.2 MP lab v8.36 Matlab 2013a for Simulation
System Architecture diagram for the ANC system is
And the Software architecture is
Sample simulation result is here
and simulation code here
The project is still under development......