Software tools to protect audio and video products recorded and stored in digital formats from unauthorized use and copying; computer software and programs for audio and video playback and recording; computer software providing for encryption and compression of software files; computer software for processing and manipulating music, audio, sound and visual data and recordings and for transmitting, receiving and playing such data and recordings over computer information and communication netwo...

Compact discs featuring encrypted data for use in controlling access to sensitive, confidential, proprietary or classified data