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관심표준 등록 : 표준업데이트 시 알림서비스

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    ISO/IEC 14496-20:2006

    Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF)
    • 발행일 : 2006-06-15
    • 발행기관 : ISO/IEC
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분야 ISO/IEC JTC 1/SC 29 : Coding of audio, picture, multimedia and hypermedia information
적용범위

ISO/IEC 14496-20:2006 defines a scene description format (LASeR) and an aggregation format (SAF) suitable for representing and delivering rich-media services to resource-constrained devices such as mobile phones. A rich media service is a dynamic, interactive collection of multimedia data such as audio, video, graphics, and text. Services range from movies enriched with vector graphic overlays and interactivity (possibly enhanced with closed captions) to complex multi-step services with fluid interaction and different media types at each step.

LASeR aims at fulfilling all the requirements of rich-media services at the scene description level. LASeR supports:

  • an optimized set of objects inherited from SVG to describe rich-media scenes;
  • a small set of key compatible extensions over SVG;
  • the ability to encode and transmit a LASeR stream and then reconstruct SVG content;
  • dynamic updating of the scene to achieve a reactive, smooth and continuous service;
  • simple yet efficient compression to improve delivery and parsing times, as well as storage size, one of the design goals being to allow both for a direct implementation of the SDL as documented, as well as for a decoder compliant with ISO/IEC 23001-1 to decode the LASeR bitstream;
  • an efficient interface with audio and visual streams with frame-accurate synchronization;
  • use of any font format, including the OpenType industry standard; and
  • easy conversion from other popular rich-media formats in order to leverage existing content and developer communities.
국제분류(ICS)코드 35.040.40 : 오디오, 비디오, 멀티미디어 및 하이퍼미디어 정보의 부호화
페이지수 142
Edition 1

이력정보

No. 표준번호 표준명 발행일 상태
1 ISO/IEC 14496-20:2008/COR1:2010상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Technical Corrigendum 1 2010-11-25 표준
2 ISO/IEC 14496-20:2008/Cor 1:2010상세보기 2010-11-25 표준
3 ISO/IEC 14496-20:2008/Amd 3:2010상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) — Amendment 3: Presentation and Modification of Structured Information (PMSI) 2010-05-04 표준
4 ISO/IEC 14496-20:2008/AMD3:2010상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Amendment 3: Presentation and Modification of Structured Information (PMSI) 2010-05-04 표준
5 ISO/IEC 14496-20:2008/AMD2:2010상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Amendment 2: Technology for scene adaptation 2010-02-22 표준
6 ISO/IEC 14496-20:2008/Amd 2:2010상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) — Amendment 2: Technology for scene adaptation 2010-02-22 표준
7 ISO/IEC 14496-20:2008/AMD1:2009상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Amendment 1: Extensions to support SVGT1.2 2009-04-03 표준
8 ISO/IEC 14496-20:2008/Amd 1:2009상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) — Amendment 1: Extensions to support SVGT1.2 2009-04-03 표준
9 CSA ISO/IEC 14496-20:09 (R2019)상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight application scene representation (LASeR) and simple aggregation format (SAF) (Adopted ISO/IEC 14496-20:2008, second edition, 2008-12-01) 2009-01-01 표준
10 ISO/IEC 14496-20:2008상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) 2008-11-20 표준
11 ISO/IEC 14496-20:2008상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) 2008-11-20 표준
12 ISO/IEC 14496-20:2006/Cor 2:2008상세보기 2008-04-08 구판
13 ISO/IEC 14496-20:2006/COR2:2008상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Technical Corrigendum 2 2008-04-08 구판
14 ISO/IEC 14496-20:2006/AMD1:2008상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Amendment 1: LASeR extensions 2008-03-03 구판
15 ISO/IEC 14496-20:2006/Amd 1:2008상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) — Amendment 1: LASeR extensions 2008-03-03 구판
16 ISO/IEC 14496-20:2006/Cor 1:2007상세보기 2007-01-09 구판
17 ISO/IEC 14496-20:2006/COR1:2007상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) - Technical Corrigendum 1 2007-01-09 구판
18 ISO/IEC 14496-20:2006상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) 2006-06-15 구판
19 ISO/IEC 14496-20:2006상세보기 Information technology - Coding of audio-visual objects - Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) 2006-06-15 구판
20 ISO/IEC 14496-20:2006/FDAM 2상세보기 Information technology — Coding of audio-visual objects — Part 20: Lightweight Application Scene Representation (LASeR) and Simple Aggregation Format (SAF) — Amendment 2: Extensions to support SVGT1.2 폐지

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