Computer hardware and software systems for management, switching, routing, and control of audio, video, and mutlimedia signals and contents

Apparatus for receiving, recording, transmitting, reproducing, storing, encrypting, decrypting sound or images, namely, digital data sending and receiving apparatus, set-top boxes for receiving multimedia content; multimedia players; television sets; players and recorders of high-definition optical disks, digital optical disks and compact disks; MP3 and MP4 players; multimedia tablet computers, mobile telephones, digital multimedia servers; computer servers, computers; modems, telecommunicati...