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CSA ISO/IEC 14496-20:09 (R2019)
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)- 발행일 : 2009-01-01
- 발행기관 : CSA
상세정보
| 분야 | |
|---|---|
| 적용범위 | Preface Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T). This Standard supersedes CAN/CSA-ISO/IEC 14496-20-07 (adoption of ISO/IEC 14496-20:2006). At the time of publication, ISO/IEC 14496-20:2008 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC. Scope This part of ISO/IEC 14496 defines a scene description format (LASeR) and an aggregation format (SAF) respectively suitable for representing and delivering rich-media services to resource-constrained devices such as mobile phones. 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. Technology selection criteria for LASeR included compression efficiency, but also code and memory footprint and performance. Other aims included: scalability, adaptability to the user context, extensibility of the format, ability to define small profiles, feasibility of a J2ME implementation, error resilience and safety of implementations. SAF aims at fulfilling all the requirements of rich-media services at the interface between media/scene description and existing transport protocols: ? simple aggregation of any type of stream, signalling of MPEG and non-MPEG streams, optimized packet headers for bandwidth-limited networks, easy mapping to popular streaming formats, cache management capability, and extensibility. SAF has been designed to complement LASeR for simple, interactive services, bringing ? efficient and dynamic packaging to cope with high latency networks, media interleaving, and synchronization support with a very low overhead. This part of ISO/IEC 14496 defines the usage of SAF for LASeR content; however, LASeR can be used independently from SAF. |
| 국제분류(ICS)코드 | |
| 페이지수 | 190 |
| Edition |
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 |
관련상품
- ISO/IEC 14496-1:2001/FDAM 2 - Information technology — Coding of audio-visual objects — Part 1: Systems — Amendment 2: Textual format
- ISO/IEC 14496-10:2004/FDAM 1 - Information technology — Coding of audio-visual objects — Part 10: Advanced Video Coding — Amendment 1: AVC professional extensions
- ISO/IEC 14496-12:2004/FDAM 1 - Information technology — Coding of audio-visual objects — Part 12: ISO base media file format — Amendment 1: File format extensions and guidelines
- ISO/IEC 14496-20:2006/FDAM 2 - 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
- ISO/IEC 14496-10:2008/FDAM 1 - Information technology — Coding of audio-visual objects — Part 10: Advanced Video Coding — Amendment 1: Multiview Video Coding
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