Patented technologies are the basis of the software modules for Noise Suppression, Two-Microphone-Technology ("Beam Forming"), Echo Cancelling, Feedback Elimination, and Acoustic Shock Elimination.


Besides Algorithm Development we offer Customized Software- and Hardware Development in order to provide complete solutions to our customers.

Available Technical Information in PDF format:

- Noise Suppression (sound samples available)
- Beam Forming (sound samples available)
- Feedback Elimination (sound samples available)
- Echo Cancelling (sound samples available)
- Acoustic Shock Elimination (sound samples available)

Available data sheets of hardware products:

- NEMIC900, ultra low power DSP board for Noise Suppression and Automatic Gain Control
- CENS402, universal DSP board that operates all Ruwisch & Kollegen Software Products
- AudioAdapter410, interface board for convenient evaluation of CENS402
- ICC460, ready-to-use DSP product for In-Car-Communication (front to rear)