Patent ID: 8726160

Claim:
A content service system, comprising: a content metadata analyzer module, for receiving a first metadata corresponding to a multimedia content and generating a widget request or a service metadata according to the first metadata, wherein the content metadata analyzer module obtains the first metadata from a receiver for receiving the multimedia content, receives a second metadata from a content provider providing the multimedia content according to the first metadata, and analyzes the second metadata to generate the widget request or the service metadata, wherein the first metadata comprises a current time and a channel number; a widget information acquisition module, for obtaining a widget information of a first widget according to the widget request or the service metadata; a widget administration module, for installing and executing the first widget according to the widget information, wherein the first widget plays an extended content corresponding to the multimedia content; and a widget engine module, for providing a program and an application programming interface (API) required by the first widget, wherein the multimedia content is in a digital format, and the first metadata is directly stored in the multimedia content, and when the multimedia content is a digital TV stream, the first metadata is stored in an event information table (EIT) of the digital TV stream, when the multimedia content is an MP3 file, the first metadata is stored in an ID3 tag of the MP3 file, when the multimedia content is an MP4 file, the first metadata is stored in a moov atom or a udta atom of the MP4 file, when the multimedia content is a JPEG (Joint Photographic Experts Group) file or TIFF (Tagged Image File Format) file, the first metadata is stored in an EXIF (Exchangeable Image File Format) tag or IPTC (International Press Telecommunications Council) tag of the JPEG file or TIFF file, and when the multimedia content is a PDF (Portable Document Format) file, the first metadata is stored in a metadata stream of the PDF file.