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1. About SMIL Boston

Aaron Cohen (, Intel
Thierry Michel (, W3C

Table of contents

1.1 Introduction

This document specifies the "Boston" version of the Synchronized Multimedia Integration Language (SMIL, pronounced "smile"). SMIL Boston has the following two design goals:

SMIL Boston is defined as a set of markup modules, which define the semantics and an XML syntax for certain areas of SMIL functionality. All modules have an associated Document Object Model (DOM).

SMIL Boston deprecates a small amount of SMIL 1.0 syntax in favor of more DOM friendly syntax. Most notable is the change from hyphenated attribute names to mixed case (camel case) attribute names, e.g., clipBegin is introduced in favor of clip-begin. The SMIL Boston modules do not require support for these SMIL 1.0 attributes so that integration applications are not burdened with them. SMIL document players, those applications that support playback of "application/smil" documents (or however we denote SMIL documents vs. integration documents) must support the deprecated SMIL 1.0 attribute names as well as the new SMIL Boston names.

This specification is structured as a set of sections, defining module:

This specification also defines three profiles that are built using the above SMIL modules:

Finally, this specification defines a number of baseline media formats to be widely supported by SMIL players:

1.2 Acknowledgements

This document has been prepared by the Synchronized Multimedia Working Group (SYMM-WG) of the World Wide Web Consortium. The WG includes the following individuals:

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