DIGITAL SIGNATURE

A DIGITAL AUDIO PLAYBACK DEVICE CONSISTING PRIMARILY OF AN AMPLIFIER, SPEAKERS, A REMOTE CONTROLLER, AND WIRED AND WIRELESS CONNECTIONS FOR AMPLIFYING AND GENERATING AUDIO SIGNALS RECEIVED FROM THE WIRED AND WIRELESS CONNECTIONS; A VIDEO PLAYBACK DEVICE CONSISTING PRIMARILY OF A VIDEO DECODER, VIDEO SCALER, GRAPHIC PROCESSOR, AND WIRED AND WIRELESS CONNECTIONS FOR DECODING AND MAPPING VIDEO RECEIVED FROM THE WIRED AND WIRELESS CONNECTIONS TO A TARGET SCREEN