MPEG's Dynamic Adaptive Streaming over HTTP (DASH ...

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ISO Base media file format Live • optimized for live encoding and low latency delivery of Segments consisting of a single movie fragment of ISO file format with relatively short duration. • Each movie fragment may be requested when available using a template generated URL, so it is not normally necessary to request an MPD update prior to each Segment request. • Segments are constrained so that they may be concatenated on Segment boundaries, and decrypted without gaps or <strong>over</strong>laps in the media data, regardless of adaptive switching of Representations in an Adaptation Set. • Despite the profile is optimized for live services, the MPD@Type attribute may be set to 'static' to distribute non-live content, for example in case a live Media Presentation is terminated, but kept available as On-Demand service. 34
Profile identifier: ISO BMFF live Two base URLs Two Audio tracks One video track Closed-GOP SegmentTemplate and Timeline 35
Page 1: MPEG's Dynamic Adaptive Streaming o
Page 4 and 5: Video is dominating the Internet
Page 6 and 7: MPEG DASH ISO/IEC 23009-1 • MPEG
Page 8 and 9: DASH in a Nutshell • What: Video
Page 10 and 11: (Some) DASH Design Principles • D
Page 12 and 13: What is specified - and what is not
Page 14 and 15: Media Presentation Data Model • M
Page 17 and 18: Key feature - Common Timeline • R
Page 19 and 20: 250 Kbps 500 Kbps 1 Mbps Segment
Page 21 and 22: Example for Role and Viewpoint 2 vi
Page 23 and 24: Preferable Switch Points • Segmen
Page 25 and 26: Segments • ISO/IEC 23009 focuses
Page 27 and 28: Segment Index 27
Page 29 and 30: Segment and Subsegment Index for MP
Page 31 and 32: Full Profile Profiles • Set of re
Page 33: Profile identifier: ISO BMFF On-dem
Page 37 and 38: MPEG-2 TS simple Component Descript
Page 39 and 40: 23009-2 TEST VECTORS AND CONFORMANC
Page 41 and 42: RELATIONSHIP TO 3GPP TS26.247 DASH
Page 43 and 44: Remaining Work for 3GPP • Rel-9 A
Page 45 and 46: Typical Uses Cases • MPEG-DASH su
Page 47 and 48: DASH Promoters Group • Informal c
Page 49 and 50: HTML-5 and DASH • Continuous disc
Page 51 and 52: Some Research Challenges • Client
Page 53 and 54: Your Questions • Why is the live

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