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Homeserver-based Broadcast Services
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Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Homeserver-based Broadcast Services
Emergence of Network Media Player - First Practical Homenetwork Device
Emergence of Network Media Player - First Practical Homenetwork Device
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Home ServerNetwork Systems toward Digital Broadcasting

содержание презентации «Home ServerNetwork Systems toward Digital Broadcasting.ppt»
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1Home Server/Network Systems toward 12Encryption. Local Decryption. PCI Bus. No
Digital Broadcasting. Keiichi Murakami Raw Data on the PCI Bus (User Accessible
FUJITSU Laboratories TA8/TC100/IEC. Bus). Storage. 12. dates.
2TC100 : Audio, video and multimedia 13MPEG-2/4 IPMP : Outline. International
equipment and systems. TC100. AGS. Standard for Intellectual Property
Advisory Group on Strategy. Advisory Group Management & Protection for MPEG Audio
on Mngmnt. AGM. GMT. TA. Project. General Visual contents Basic concept is an
Maintenance Team. Technical Area : architecture for secure coordination
corresponds to SC. (Established in 1995). framework for IPMP tools. Various CA/DRM
Chairman Secretariat. 2. dates. tools (Authentication,
3Title of each TA. TA1: Terminals for Encryption/Decryption, Watermarking, etc.)
audio, video and data services TA2: Colour can be applied Tools are managed via IPMP
measurement and management TA4: Digital Control Graph and handled as Blackbox. 13.
system interfaces and protocols TA5: Cable dates.
networks for television signals, sound 14MPEG-2/4 IPMP : Status. Not widely
signals and interactive services TA6: used in current mass market Markets in
Higher data rate storage media, data which MPEG-2/4 AV contents are widely used
structures and equipment TA7: Moderate already have its own simple CA/DRM related
data rate storage media, equipment and mechanism. DVD Digital Broadcast AV clip
systems TA8: Multimedia home server for 3G mobile phone Reasonable DRM
systems. 3. dates. implementation example required to enlarge
4TA8: Multimedia home server systems. market size and to reduce equipment cost
Established in May, 2002 Background: TC100 activities. 14. dates.
Growing Terrestrial Digital TV Broadcast 15Home Network: History. Access network:
Growing PVR (Private Video Recorder) External PSTN modem Internal PSTN modem
Homeserver-based Broadcast Service External ADSL modem/FTTH converter
Introduction Activities up to now: U Internal ADSL modem ? How about FTTH
Conceptual Model of Homeserver DF-based converter ? Cable modem: stay
removable recording format API for independently In-house network: No
removable media DRM (Newly started). 4. practical network at home until recently:
dates. -1394: replacement of RCA pin jack Very
5Homeserver-based Broadcast Services. few WLAN audio streaming Very few
Store contents in a large capacity storage modem/printer/storage sharing The
Access control at the time accessing the situation is changing. 15. dates.
stored contents, including DRM 16Emergence of Network Media Player -
Sophisticated services using Meta Data, First Practical Homenetwork Device -.
EPG, and/or uplink access channel. 5. Analog A/V Cable. Access Network. WLAN /
dates. Ethernet. Network Media Player With MPEG
6TA8’s Homeserver Conceptual Model. Decoder. 16. dates.
API. Head End. CNTRL. In-house Network IF. 17TA8 activities (1). TR 62291: API for
CNTRL. Interchangeable Storage Media Port. UDF based file systems TS 62318: Home
CNTRL. User IF. CNTRL. Functional Modules. server conceptual model P62328:
High Capacity Storage CNTRL. Contents Interchangeable volume/file structure
CNTRL. 6. dates. adaptation for broadcasting receiver
7Digital TV Services in US. Satellite: PT61925: The vocabulary of home server.
’94- DirecTV, USSB Terrestrial: ’98- top 17. dates.
four & PBS ATSC (Terrestrial) 18 video 18TA8 activities (2) Interchangeable
format including SD & HD DASE: volume/file structure adaptation for
multimedia broadcasting using XHTML, CSS, broadcasting receivers. This standard
Java Anti-piracy mechanism (FCC, ’05-) defines the volume and file structure
Broadcast flag, no encryption Private copy required for interchanging multimedia data
will not be restricted. 7. dates. of a home server/broadcasting receiver,
8Digital TV Services in Europe. which consists of an AV stream with
Satellite: ’96- Germany, France, ’98- GBR multiple associated objects. Part 1:
Terrestrial: ’98- GBR, ’99- Sweden,… DVB-S General description and architecture Part
(Satellite), DVB-T (Terrestrial) Video 2: General recording structure Part 3:
format is not provided Mainly SDTV is Broadcasting system specific recording
available today. EPG, Service information structure - ISDB. Specifications for other
(DVB-SI) Conditional access (DVB-CI) country/region are expected to be
Multimedia middleware (DVB-MHP). 8. dates. proposed. 18. dates.
9Digital TV Services in JAPAN. 1996- 19TA8 activities (3) Interchangeable
Satellite 2003- Terrestrial ISDB-S volume/file structure adaptation for
(Satellite), ISDB-T (Terrestrial) HDTV or broadcasting receivers (continued).
SDTV multi program BML Data Broadcasting program set management file. Root.
Bidirectional services via the internet TVR_ROOT. PROG_SETMGR. extended program
Contents protection by B-CAS (’04-) set management file. EXT_PS.MGR. RT_TVRS.
Encrypt contents Restrict copy up to once. TVPR010. root directory for TV recording
9. dates. format. PROG0001.PIF. TV recording format
10Roadmap for Diffusion of Terrestrial specific directory. PROG0002.PIF. TVPR020.
DTV set in JAPAN. %. Percentage of directory. PROG0001.PIF. other structure.
households owning DTV set. 100. 80. 60. PROG0002.PIF. file (including stream
40. 20. ’04 ’05 ’06 ’07 ’08 ’09 ’10 ’11. files). 19. dates.
48,000,000 households. 24,000,000 20TC100 Liaison. AES (Audio Engineering
households. 10,000,000 households. Athens Society) ITU-R/SG6M, 6Q ITU-T/SG9, 12, 16
Olympic. World Cup In Germany. Beijing JTC1/SC29 (Multimedia Coding) SMPTE
Olympic. World Cup. Stop of Analog TV. 10. (Society of Motion Picture and Television
dates. Engineers) 1394TA ISO/TC42 (Photography).
11Issues to be Solved for DTV - 20. dates.
Reasonable Copy Protection -. Heavy 21Closing Remarks. Home
restrictions in Japan No duplication: only server/network-related TC100 activities
“move” allowed Contents on a removable were introduced. PC is now leading the
media playable only on authorized players home network with network media player.
Light weight restrictions in U.S. Broadcasting services based on home server
Broadcast flag permits fair use copy. 11. will drive gateway function between
dates. in-house network and access network. DRM
12Example of Copy Protection Regulation is the key issue for A/V network
for PC in Japan. Decrypt Broadcasted Data. deployment. 21. dates.
Video Card. Tuner. Display. Local
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