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Method for syntactically analyzing a bit stream using a schema and a method of generating a bit stream based thereon
Method for syntactically analyzing a bit stream using a schema and a method of generating a bit stream based thereon
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机译:使用模式对比特流进行语法分析的方法以及基于该模式生成比特流的方法
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摘要
A method and apparatus for transforming a description of an encoded bit stream is described. The encoded bit stream comprises data packets and the description is written in a markup language such as BSDL. A group of one or more data packets is described in the description by an element, the element having at least one attribute containing a transformation tag. The description is scanned to check for a transformation tag in accordance with a predetermined condition and an adapted description is generated. The transformation of multimedia files is described to provide for content scalability. The adaptation approach works as follows: instead of directly adapting the bit stream, the description of the bit stream is modified, by use of so-called style sheets. Therefore, from the modified description a binary form file can be generated.
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