Apparatus and method for upconverting content data

摘要

A signal processing apparatus includes an upconversion processing unit upconverting content data stored in a data storage unit, and an upconversion control unit determining an upconversion-target component and the upconversion processing order of components based on component attribute information such as a component type or a tag value of each component of the content data such as elementary streams.

主权项

1. An upconversion apparatus for upconverting elementary streams of content data, the upconversion apparatus comprising:
a storage which stores a plurality of video elementary streams and/or audio elementary streams of a content data, wherein the plurality of video elementary streams and/or audio elementary streams are associated with a same event identifier; an upconversion controller which determines a processing order in which the plurality of elementary streams are to be upconverted, based on attribute information of each elementary stream; a separator which separates the plurality of elementary streams of the content data stored in the storage; a decoder which decodes the separated elementary streams of the content data; a processor which upconverts each of the decoded elementary streams of the content data in accordance with the processing order determined by the upconversion controller; an encoder which encodes the upconverted elementary streams of the content data; and a multiplexer which multiplexes the encoded elementary streams of the content data, wherein image and/or sound quality of the elementary streams are improved by the upconversion, and the upconversion processing requires time longer than an actual time length of the content data, and wherein the storage stores the encoded elementary streams of the content data.