Andrea Electronics Corporation (Andrea) is engaged in designing, developing and manufacturing microphone technologies and products for improving speech-based applications software and communications. The Company operates in three segments: Andrea Anti-Noise Products, Patent Monetization, and Andrea DSP Microphone and Audio Software Products. Andrea Anti-Noise Products include noise cancellation and active noise cancellation computer headset products and related computer peripheral products. Patent Monetization includes Monetization Revenues. Andrea Digital Signal Processing (DSP) Microphone and Audio Software Products primarily include products based on the use of some, or all, of the technologies: Andrea Digital Super Directional Array microphone technology (DSDA), Andrea Direction Finding and Tracking Array microphone technology (DFTA), Andrea PureAudio noise filtering technology and Andrea EchoStop, an acoustic echo cancellation technology.