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ISO/IEC TR 21000-12:2005

Information technology -- Multimedia framework (MPEG-21) -- Part 12: Test Bed for MPEG-21 Resource Delivery

SKU: iso_041915_121080 Published by ISO/IEC Publication Year 2005 1 Edition 21 pages

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Overview

ISO/IEC TR 21000-12:2005 specifies a test bed that is designed to assist in performance assessment of MPEG-21, Scalable Video Codec (SVC) for streaming applications, and for the evaluation of resource delivery technologies over unreliable packet-switched networks. The streaming protocols used in the test bed are based on RTSP and RTP. The Network Adaptation QoS mechanism of MPEG-21 Digital Item Adaptation (DIA) is used for bandwidth-scalable streaming. A subset of MPEG-4 IPMP is also included in the test bed so that encrypted streaming and layered access functionality of a DRM system can be tested for different SVC designs.

The test bed includes a network emulator GUI that interfaces with a Linux-based network emulator, NistNet, for real-time emulation of channel characteristics of various networks. Therefore:

Various scalable codec (audio, video, scene composition) technologies can be evaluated.
Various packetization methods and file formats can be evaluated.
Various multimedia streaming rate control and error control mechanisms can be plugged into the test bed and evaluated.

In summary, the following MPEG technologies are demonstrated by the test bed:

MPEG scalable audio and video codecs;
MPEG-4 on IP;
MPEG-4 IPMP (a small subset); and
MPEG-21 DIA Network Adaptation QoS.

The architecture and the API are not tied to any particular media codecs. However, currently only the MPEG-4 FGS video and MPEG-4 BSAC audio are officially supported by the software. The support for ISO/IEC 21000-13 (MPEG-21 part 13) SVC will be included when that International Standard is ready.

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GST REG No R119441681
QST REG No R1006017360

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ISO/IEC TR 21000-12:2005

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