Patent ID: 7519618

Claim:
A metadata generating apparatus having a processor and a hard disk device, the apparatus comprising: a private-content-information creating unit that creates content information of an individual; an information collection setting unit that collects setting information for collection of public content information from a public broadcast, the information collection setting unit including a collection period setting section in which a collection period for the collection of public content information from the public broadcast is set and a type selecting section in which a type of public content information for the collection of public content information from the public broadcast is set, the public broadcast including a news program; a public-content-information collecting unit that collects public content information for which metadata for retrieval is created from the public broadcast based on the collection period set in the collection period setting section and the type of public content information set in the type selecting section, the public-content-information collecting unit executing sound recognition processing of the news program, including a frequency analysis, a phoneme recognition, a word recognition, and a sentence recognition of the news program, to generate text data of the news program, the sound recognition processing being performed for a predetermined period at a beginning of the news program, said predetermined period corresponding to an introduction period of the news program before insertion of a commercial; a keyword extracting unit that extracts a keyword, which forms a basis of the metadata for retrieval, from the public content information, including the text data of the news program, collected by the public-content-information collecting unit; and a metadata generating unit that generates metadata with the processor and stores the metadata in the hard disk device for retrieval for a private content, which is created by the private-content-information creating unit, on the basis of the keyword extracted by the keyword extracting unit and the public content information, including the text data of the news program, collected by the public-content-information collecting unit.