Publication detail

Reference

ISO/IEC 23001-5 ed1.0

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Title

Information technology -- MPEG systems technologies -- Part 5: Bitstream Syntax Description Language (BSDL)

Publication date

2008-02-05

Format, price
(Swiss francs)
and language

	172.-		70 pages
	172.-		533 Kb

Abstract

ISO/IEC 23001-5:2008 specifies BSDL (Bitstream Syntax Description Language), a language based on W3C XML Schema to describe the structure of a bitstream with an XML document named BS Description.

BSDL provides a normative grammar to describe in XML the high-level syntax of a bitstream; the resulting XML document is called a Bitstream Syntax Description (BS Description, BSD). This description is not meant to replace the original binary format, but acts as an additional layer, similar to metadata. In most cases, it will not describe the bitstream on a bit-per-bit basis, but rather address its high-level structure, e.g., how the bitstream is organized in layers or packets of data. Furthermore, the BS Description is itself scalable, which means it may describe the bitstream at different syntactic layers, e.g., finer or coarser levels of detail, depending on the application.

This language was initially developed in the context of Digital Item Adaptation (ISO/IEC 21000-7) as a generic tool for adapting scalable multimedia content. However, its use is not restricted to adaptation and may be relevant for any application parsing a bitstream. This is why ISO/IEC 23001-5:2008 extracts the BSDL specification from ISO/IEC 21000-7 to make it available to other contexts.

Technical Committee

JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information

ICS Codes

35.040

Character sets and information coding
*Including coding of audio, picture, multimedia and hypermedia information, IT security techniques, encryption, bar coding, electronic signatures, etc.

Work in progress

Project	Stage code	Forecast publication date
No project under development	-	-

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