First Public Working Draft: IMSC Hypothetical Render Model

IMSC Hypothetical Render Model

https://www.w3.org/TR/2021/WD-imsc-hrm-20211109/

Published by
 Timed Text Working Group

Abstract

This specification specifies an Hypothetical Render Model (HRM) that constrains the complexity of an IMSC Document Instance. 

The model is not intended as a specification of the processing requirements for implementations. For instance, while the model defines a glyph buffer for the purpose of limiting the number of glyphs displayed at any given point in time, it neither requires the implementation of such a buffer, nor models the sub-pixel character positioning and anti-aliased glyph rendering that can be used to produce text output.

Status of the Document

This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at https://www.w3.org/TR/.

This document was published by the Timed Text Working Group as a First Public Working Draft using the Recommendation track. 

Publication as a First Public Working Draft does not imply endorsement by W3C and its Members.

This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

This document was produced by a group operating under the W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.

This document is governed by the 2 November 2021 W3C Process Document.

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Received on Tuesday, 9 November 2021 09:52:24 UTC