Noise suppression and cancellation apparatus, namely, speaker drivers, head phones and ear pieces with ambient noise cancellation; electronic noise cancellation apparatus, namely, speaker drivers, head phones and ear pieces with ambient noise cancellation; computer software and firmware in the field of noise cancellation and sound enhancement and computer hardware; noise cancelling circuits and devices, namely, apparatus for recording, transmitting, streaming and reproducing sound and images; active noise cancelling circuits and devices, namely, apparatus for recording, transmitting, streaming and reproducing sound and images; passive noise cancelling devices, namely, apparatus for recording, transmitting, streaming and reproducing sound and images; noise cancelling headphones; noise cancelling earphones; noise cancelling wireless headsets for mobile phones; noise cancelling communications devices, namely, noise cancelling telephones and noise cancelling mobile phones; micro-electro-mechanical system ultrasonic circuits and devices in the field of noise cancellation and sound enhancement. audio signal processing circuits, devices and algorithms in the field of noise cancellation and sound enhancement