Patent ID: 7289717

Claim:
An audio and/or video generation apparatus to generate audio and/or video material representative of an audio and/or visual source, said audio and/or video generation apparatus comprising a recording means for recording said audio and/or video signals representing said audio and/or video material on a recording medium, and a metadata generation processor configured to receive said audio and/or video signals, and to generate metadata automatically in response to said audio and/or video signals, wherein said metadata includes time code data representative of in and out points of one or more parts of the audio/video material, and said metadata includes a unique identification code for each of the parts of the audio and/or video material, each unique identification code uniquely identifying one of the parts of audio and/or video material, said metadata generation processor is operable to generate an identifier of the recording media on which the audio and/or video material is recorded, and to store said metadata and said identifier of the recording media in a data store for communication separately from the recording media, and said metadata generated automatically by said metadata generation processor is first metadata, and said audio and/or video generation apparatus includes an interface having a predetermined format for connecting said metadata generation data processor to a portable data processor, the portable data processor providing second metadata generated in response to user commands to said metadata generation processor, said recording means being arranged to record said second metadata with said first metadata and said audio and/or video signals on said recording media.