tablet as a multi-purpose tool for television viewer€¦ · dmp/dmc/dmr dmp stb with wi-fi ap dms...
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Tablet as a multi-purpose tool for television viewer
3 September 2019
Japan Cable Laboratories
Evolution of Cable STB in Japan
1953 1960 1989 1996 2010 2014B/W(SD)
Color TV(SD)
Muse(Analog HD)
Digital TV(SD/HD)
20132008IPTV
2016
Accelerated evolution after 2008
Smart TV
YouTube
OTTHulu
Single Platform
GoogleTV
AppleTV
Manufacturers Platform
SamsungPanasonic
acTVila
Broadcasters Platform
HbbTV HybridcastGoogle
PlayApp
Store
High
Qu
ality Vid
eo
Large Display, Less power consumption
Large LCD
OLED
UHDHD
VR/AR
• Downloadable applications• Interactive with smartphones and home network• ITU-T J.295/296 (Hybrid Cable STB)
2nd Generation STBSmart TV compatible
ImprovedUI/UX
HTML5 DAE
Home Network
DLNA
Smart TV
4K/8K
• 4K Video• 5.1ch audio• ITU-T J.297 (4K Cable STB)
4K UHDTV
1st Generation Digital STB
2
Netflix
SD
H.265HEVC
H.262MPEG2
H.264MPEG4 AVC
Smart TV services with 2nd Gen STB
HOME NETWORK
Wi-Fi
2nd Gen STB
CableOperator
Internet
BillingID Search
Recom-mend
Smartphone & Tablet
HFC (DOCSIS) or FTTH
Mobile NW(3G, 3.9G, 4G), Wi-Fi
Content Metadata
APP
Common APPs (Games, Widgets, Tools, etc)
Multiple DVR
NAS
Content to go
Cable Portal
Widget
Internet VideoInternet Radio
Target Ad.
Remote UI(2nd screen)
Service Delivery Platform (SDP)
UIInteractive content
Multi-device
HTML5, Android Applications
3
JLabs 3rd Generation STB
3rd Gen STB
4K UHDTV
Remote Viewing
on the road
MirroringPersonalized PortalEPGRemote control
Multi-device
Services for and in collaboration with tablets and smartphones
4
Tablet as a second screen
DMS (Digital Media Server): Stores video, audio and other content for delivery to other device
DMP (Digital Media Player): Plays content received fromDMC (Digital Media Controller): Requests content from DMS and assigns player to play itDMR (Digital Media Renderer): Plays content in response to command from DMC
DMS
HDD NAS
DMP
Audio
TV
DVR
LAN DMP/DMS
TV with HDD
DMP/DMC/DMR
DMP
DMSSTB with Wi-Fi AP
5
Tablet
DLNA (Digital Living Network Alliance*) enables sharing of video, audio and other content between Digital Media Server (DMS) such as STB and HDD, and Digital Media Player (DMP) such as TVs, tablets and smartphones
Using this scheme, tablet can be used as a second screen to share the same content being shown on the main television set.
* DLNA dissolved in 2017.
DLNA Layer model
6
Video server Video playerApplication
Encryption
Media formats(Encoding & bitrate)
Media Transport
Media Management & Control
Device discovery
Network Protocol
LAN/Wi-Fi LAN/Wi-FiPhysical Layer
TCP/UDP
IP(IPv4/v6)
DTCP-IP
eg: H.264 480P
HTTP
UPnP AV
UPnP
TCP/UDP
IP(IPv4/v6)
DTCP-IP
H.264 480P
HTTP
UPnP AV
UPnP
Broadcast
Video
Digital Media Server (DMS)
such as STB with HDD、HDD Recorder
Digital Media Player (DMP)
such as TV, Tablet, smartphone
Home Network
Watch video
in bedroom, etc
Remote viewing extends the second screen concept beyond the living room, by enabling Mobile Digital Media Players (M-DMP) such as smartphones and tablets outside the home, to view broadcasting content (real time and recorded) from Digital Media Servers (DMS) such as TV, STB and HDD inside the home
Channels for view include Japanese terrestrial TV channels, some satellite channels and cable channels.
*Next Generation Television & Broadcasting Promotion Forum
Tablet as a Remote Viewing tool
Home Network
M-DMP
DMS
Can view on-air and recorded cable channels using
smartphones and tablets outside the home
7
STB(DMS)
Mobile Players(M-DMP)
Keeps a list of paired M-
DMPs
Remote viewingoutside the home
Gateway(For NAT transversal)
(up to 6)
Paired*
(1) (2) (3)
● ●
How Remote Viewing works
Mobile players must be paired with a digital media server (DMS) such as STB inside the home, before it is carried outside the home. Up to six players can be paired with a DMS but only one player can use this service at a time.
Media Format(H.264)
360P(SD) or 480P(SD)
Optionally: 180P(SD)、720P(HD)、1080P(HD)
*Must be paired every three months
8
Tablet as a remote controller
9
The STB outputs including video, audio and web content are shown on the table screen
Touchscreen control
Extended DMC commands to change channels, etc
STB
Easy control of STB by use of Tablet
Touch and control
Touch on the image of STB output displayed on the tablet screen, to change channels, increase or decrease volume, enlarge part of the picture, and so on
Tabletserves as DMC(Digital Media
Controller) of DLNA
How it works
10
To send How
Video content from STB to tablet STB acts as DMS (Digital Media Server) as defined by DLNA, to send real time and recorded video
Tablel control command to STB Extended DMC command to control STB and web browser
Web and EPG content from STB to tablet
VNC: Virtual Network Computing
Cable STB
Video content from STBStandard DLNA/DMS interface
Tablet control command
Video Content
Tabletcontrol
Web content from STB
VNC Interface
Web and EPG content from STB
Command from Tablet to STB in XML
Response from STB to Tablet in XML
11
Some extended DMC commandsRoI (Region of Interest)
Enlarge part of 4K/8K content to view details
Pinch outSTB
Extended DMC
EPG
STB
Extended DMC
Pinch-out, swipe
EPG Enlarge and scroll
confidential 12
Tablet as an AI Smart Speaker
Alexa Service
Google Assistant
Convert voice to
commandRecognized command
sent to server
Server(cloud)
Determines the
subject of control
Show latest
news
Show football
game
Voice command
Request STB to play video
STB needs to install command API
Relays voice message
Table works as a smart speaker
Tablet works like a Smart Speaker
Works with Google Assistant and Amazon Alexa
Tablet serves as a gateway to STB and smart home devices
TabletSTB and
Home electronics