Audio-visual presentation system
AssigneeU.S. Philips Corporation
InventorsFrancis P. Carrubba, Peter J. L. A. Swillens
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Abstract
The invention relates to a system for giving an audio-visual presentation consisting of a basic part and at least a complementary part, such as a video film. The system comprises different storage media for storing the basic part and the complementary pan and merging means for merging the basic part with the complementary part into the audio-visual presentation. The complementary part is intended for enhancing the audio-visual presentation quality that can be achieved with the basic part. A provider may provide a basic part free of charge on a CD-i disc, after which the user is to pay for the complementary pan which may be transmitted to him via a telephone line from a databank.
Claims10
System for providing an audio-visual presentation comprising a basic part and at least a complementary part, the system comprising functionally distinguishable storage media for storing the basic part and the complementary part, and merging means for merging the basic part with the complementary part into the audio-visual presentation, characterized in that the complementary part is intended for enhancing the quality of the audio-visual presentation that can be achieved with the basic part and wherein the storage medium containing the basic part is located near the merging means and wherein the storage medium containing the complementary part is coupled to the merging means via a transmission line of a communications network.
Device comprising a storage medium for storing a basic part of an audio-visual representation and merging means for merging the basic part with a complementary part of the audio-visual presentation to be transmitted to the device via a communications network into a signal that represents the audio-visual presentation, characterized in that the complementary part is intended for enhancing an audio-visual presentation quality that can be achieved with the basic part.
Dependencies are inferred from the claim text.