Patent ID: 7020888
Filing Date: 2006-03-28
Classification: H04N

Abstract:
1. A method for producing a broadcast stream that contains various stream types of audio content, video content, and metadata content comprising: creating a framework definition that identifies said various stream types in said audio content, said video content and said metadata content associated with a broadcast and attributes of said various stream types including the format of said various stream types; comparing an audio format of said audio content with an audio transmission format and converting said audio content to said audio transmission format if said audio format and said audio transmission format differ; comparing a video format of said video content with a video transmission format and converting said video content to said video transmission format if said video format and said video transmission format differ; comparing a metadata format of said metadata content with a metadata transmission format and converting said metadata content to said metadata transmission format if said metadata format and said metadata transmission format differ; creating a menu describing said audio content, said video content, and said metadata content; combining said audio content, said video content, and said metadata content into a broadcast stream for transmission to a plurality of receivers that are capable of checking said various stream types to determine which streams of said various stream types may be used by said receivers; transmitting said menu to a plurality of receivers that are capable of checking said stream type to determine which streams may be used by said receivers; and transmitting said broadcast stream.