understanding cable technology: … 8 phase shift keying 8vsb 8 vestigial sideband abr adaptive bit...
TRANSCRIPT
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UNDERSTANDINGCABLE TECHNOLOGY:
DIGITAL VIDEO
July 17, 2013
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SCTE LIVE LEARNING
• Monthly Professional Development service
• Generally “Hot Topics” or Topics of high interest
to the industry
• Vendor Agnostic – No product promotion
• Free to SCTE members
• Live sessions are recorded
– Members-only benefit
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TODAY’S SESSION
• Approximately 50 minutes discussion
• 10 minute Q&A at the end, however..…
– Ask questions anytime throughout
the session
– Asking questions adds value and enhances
learning opportunity for you and others
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Questions?Type your question in the Type here to chat… window.
Click Send(Only presenters will see questions)
HOW TO ASK A QUESTION
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NOW LET’S GET STARTED…
UNDERSTANDING
CABLE TECHNOLOGY:
DIGITAL VIDEO
July 17, 2013
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Executive Vice President
Blonder Tongue
• Utilizes her electrical engineering background and nearly 20 years in the industry to help operators solve their technology challenges
• Leads Business Tech Group to optimize solutions for small, medium & enterprise commercial applications
• SCTE & WICT participating member
• BSEE- Purdue University & MSEE- University of Houston
Emily Nikoo
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Basic Traditional Digital Video
Transformation to Today’s System
Trends of the Future
For each Category, we’ll cover
Overview of System Elements
Content
Delivery Methods
Cable Headend
Networks
The Home or Business
AGENDA
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POLL QUESTION – INTRO VIDEO
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POLL QUESTION – TOPICS OF
INTEREST
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8PSK 8 Phase Shift Keying
8VSB 8 Vestigial Sideband
ABR Adaptive Bit Rate
AVC Advanced Video Coding
DOCSIS Data Over Cable Service Interface Specification
DSTB Digital Set-top Box
DTA Digital Terminal Adapter
DVD Digital Versatile Disc
DVR Digital Video Recorder
PVR Personal Video Recorder
HDTV High Definition Television
HEVC High Efficiency Video Coding
HFC Hybrid Fiber/Coax
HGW Home Gateway
IP Internet Protocol
MDU Multiple Dwelling Unit
MPEG ISO/IEC Moving Pictures Expert Group (-2, -4/H.264, HEVC/H.265)
mDVR Multi-TV Digital Video Recorder
MoCA Multimedia over Coax Alliance
OTA Over The Air
OTT Over the Top
PPV Pay per View
QAM Quadrature Amplitude Modulation
SaaS Software as a Service
SDV Switched Digital Video
STB Set Top Box
VOD Video On Demand
WiFi Wireless Fidelity
WARNING- ACRONYMS AHEAD
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SCTE Glossary http://www.scte.org/resources/glossary_of_terms.aspx
BT Broadband Reference Guide
ACRONYM RESOURCES
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TRADITIONAL DIGITAL VIDEO SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
STBTV(s)
ModemPC(s)
Encode
Transcode
Transrate
Multiplex
Modulate
Satellite
(QPSK, 8PSK)
Fiber/IP
Network
QAM
Broadcast
Server
Camera
DVD/Tape/
Film
Linear
VOD
DVR
OTA (8VSB)
Core/ Backbone
Regional Networks Hybrid
Fiber Coax
Regional Headends
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PROGRAMMERSBROADCASTERS/NETWORKS/STUDIOS/CHANNELS/MEDIA/ENTERTAINMENT COMPANIES
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MSO BASIC VIDEO SUBSCRIBERS
1. COMCAST 21,995,000
2. DIRECTV 20,080,000
3. DISH NETWORK CORPORATION 14,056,000
4. TIME WARNER CABLE INC 12,218,000
5. VERIZON COMMUNICATIONS INC 4,726,000
6. COX COMMUNICATIONS INC 4,540,280
7. AT&T 4,536,000
8. CHARTER COMMUNICATIONS INC 4,158,000
9. CABLEVISION SYSTEMS CORPORATION 3,197,000
10. BRIGHT HOUSE NETWORKS LLC 2,013,145
11. SUDDENLINK COMMUNICATIONS 1,211,200
12. MEDIACOM COMMUNCIATIONS CORPORATION 1,000,000
13. WIDEOPENWEST NETWORKS 702,101
14. CABLEONE INC 593,615
15. RCN CORP. 327,631
16. ATLANTIC BROADBAND GROUP LLC 247,792
17. MIDCONTINENT COMMUNICATIONS 236,250
18. ARMSTRONG CABLE SERVICES 234,573
19. SERVICE ELECTRIC CABLE TV INCORPORATED 213,058
20. METROCAST CABLEVISION 164,921
21. BLUE RIDGE COMMUNICATIONS 164,796
22. WAVEDIVISION HOLDINGS LLC 152,975
23. GENERAL COMMUNICATIONS 140,000
24. BUCKEYE CABLESYSTEM 130,954
TOP OPERATORS (BY VIDEO SUBS)
https://www.ncta.com/industry-data
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NCTA DATA
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TRADITIONAL DIGITAL VIDEO SYSTEMCABLE OPERATOR CUSTOMER
TRANSMISSION DISTRIBUTION HOME/BUS
STBTV(s)
ModemPC(s)
Encode
Transcode
Transrate
Multiplex
Modulate
Satellite
(QPSK, 8PSK)
Fiber/IP
Network
QAM
Broadcast
Server
Camera
DVD/Tape/
Film
Linear
VOD
DVR
OTA (8VSB)
HEADEND
Core/ Backbone
Regional Networks Hybrid
Fiber Coax
Regional Headends
PROGRAMMER
CONTENT
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What are the content types, and how does it get from the programmer to the end customer?
Types• Real Time Events- news, sports, awards shows, local events,
etc.
• Pre-Recorded – shows, movies, ads, etc.
Playback• Scheduled (traditional Cable TV)
• On-Demand (PPV, VOD, DVR/PVR)
• Managed (IPTV)
CONTENT TYPES
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TRADITIONAL DIGITAL VIDEO SYSTEMCABLE OPERATOR CUSTOMER
TRANSMISSION DISTRIBUTION HOME/BUS
STBTV(s)
ModemPC(s)
Analog Tier
Encode (MPEG-2)
Transcode
Transrate
Multiplex
Modulate
Satellite
(QPSK, 8PSK)
Fiber/IP
Network
QAM
Broadcast
Server
Camera
DVD/Tape/
Film
Linear
VOD
DVR
OTA (8VSB)
HEADEND
Core/ Backbone
Regional Networks Hybrid
Fiber Coax
Regional Headends
PROGRAMMER
CONTENT
Local Origination
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Encode- compresses the video to MPEG format
Transcode- converts from one format to another
Transrate- same format, but converts it to lower
data rates
Multiplex- puts all the video together
Modulate- for distribution over the cable
network
BASICS- AT THE HEADEND
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TRADITIONAL DIGITAL VIDEO SYSTEMCABLE OPERATOR CUSTOMER
TRANSMISSION
STB, DSTBTV(s)
ModemPC(s)
Analog Tier
Encode (MPEG-2)
Transcode
Transrate
Multiplex
Modulate
Satellite
(QPSK, 8PSK)
Fiber/IP
Network
NTSC
QAM
Broadcast
Server
Camera
DVD/Tape/
Film
HOME/BUS
Linear
VOD
DVR
OTA (8VSB)
HEADEND DISTRIBUTION
Core/ Backbone
Regional Networks
Regional Headends
Hybrid Fiber Coax
PROGRAMMER
CONTENT
Local Origination
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POLL QUESTION – BUZZ TOPICS
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TODAY’S SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
MPEG-4/H.264
Broadcast
Server
Camera
DVD/Tape/
Film
DTA,
Gateway/WiFi
MOCA
Multiscreen(s)
Satellite
Fiber/IP
Network
CDN
Hybrid Fiber Coax
OTA
Core/ Backbone/
RAN
Regional Access
Networks
All Digital
OTT
IP Stream
ABR
Analog
Always On
Local Origination
SDV
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OTT is delivery of video content to the home via broadband connection The operator may be aware of the contents but is not responsible for, nor able to control, the viewing abilities, copyrights, and/or other redistribution of the content. OTT in particular refers to content that arrives from a third party, such as AppleTV, NetFlix, etc.The video is delivered to an end user device, leaving the operator responsible only for transporting IP packets.Consumers can access OTT content through internet-connected devices such as:
set-top boxes, PCs, laptops, tablets, smartphones, Smart TVs and gaming consoles such as Wii, PlayStation3 & Xbox 360.
OVER-THE-TOP (OTT)
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An interconnected system of computers that
provides Web content rapidly to numerous
users by duplicating the content on multiple
servers and directing the content to users
based on proximity.
CDNs are used by a variety of providers to
deliver static or dynamic content and the
technology is especially well suited to
streaming audio, video, and IPTV
programming.
CONTENT DELIVERY NETWORKS
Source: www.whatis.techtarget.com
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TODAY’S SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
MPEG-4/H.264/AVC
Broadcast
Server
Camera
DVD/Tape/
Film
DTA, Gateway/WiFi
Multiscreen(s)
MOCA
Satellite
Fiber/IP
Network
CDN
Hybrid Fiber Coax
OTA
Core/ Backbone/
RAN
Regional Access
Networks
All Digital
OTT
IP Stream
ABR
Analog
Always On
Local Origination
SDV
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TODAY’S HOME
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TODAY’S SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
MPEG-4/H.264
Broadcast
Server
Camera
DVD/Tape/
Film
Satellite
Fiber/IP
Network
DTA, Gateway/WiFi
Multiscreen(s)
MOCA
CDN
Hybrid Fiber Coax
OTA
Core/ Backbone/
RAN
Regional Access
Networks
All Digital
OTT
IP Stream
ABR
Analog
Always On
Local Origination
SDV
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1. Internet Video
2. Smartphones, tablets, e-readers
3. Connected TVs & Re-Thinking Television
4. Cloud Storage & Sync
5. Mobile
6. Social Media
7. Internet of Everything and ubiquitous connectivity
8. More Intelligent Machines
9. Devices with Human Appeal
10. Digital Health and real time remote monitoring
11. Big Data
TECHNOLOGIES ON THE HORIZON (AND HERE)
Source: Bright House Networks
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CDNCDN
TOMORROW’S SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
HEVC/H.265
ABR/MPEG-DASH
Broadcast
Server
Camera
DVD/Tape/
Film
Gateway/WiFi
MOCA
Multiscreen(s)
Satellite
Fiber/IP
Network
CDN
Hybrid Fiber Coax
OTA
Core/ Backbone/
RAN
Regional Access
Networks
Cloud,
Cloud, &
More Cloud
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Hosted environment- hosted services in the sense of Application Service Provisioning that run client server software on a remote location.
End users access cloud-based applications through a web browser or a light-weight desktop or mobile app while the business software and user's data are stored on servers at a remote location.
CLOUD
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As long as the infrastructure is in place….
Sharing of resources
Lower Upfront CapEx
Continuous Updates
Adaptable to customer needs
Leverages resources that are outside the walls
of an entity
Speed, agility
Faster innovation, products and services
CLOUD BENEFITS
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CDNCDN
TOMORROW’S SYSTEMPROGRAMMER CABLE OPERATOR CUSTOMER
TRANSMISSION HEADEND DISTRIBUTION HOME/BUSCONTENT
HEVC/H.265
Broadcast
Server
Camera
DVD/Tape/
Film
Gateway/WiFi
MOCA, 4K
Multiscreen(s)
Satellite
Fiber/IP
Network
CDN
Hybrid Fiber Coax
OTA
Core/ Backbone/
RAN
Regional Access
Networks
OTT
IP Stream
ABR/MPEG-DASH
MPEG-2 MPEG-4/
H.264
HEVC/
H.265
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ABR Tailors stream to end device & bandwidth
Protocols: • Microsoft Smooth Streaming,
• Apple HTTP Live Streaming (HLS),
• Adobe HTTP Dynamic Streaming for Flash (HDS)
MPEG-DASH
ISO standard for the adaptive delivery of
segmented content.
Dynamic Adaptive Streaming over HTTP
Focused on interoperability and deployment
guidelines and tests
MULTI-FORMAT SCREEN ENCODING & ADAPTIVE BIT RATE STREAMING
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TV VIEWING
Q3 12 Q2 12 Q3 11% Diff Yr
to Yr
Hrs:Min
Diff Yr to
Yr
On Traditional TV 148:03 144:54 146:45 0.9% 1:18
Watching Timeshifted TV* (all TV
Homes)11:30 11:33 10:51 6.0% 0:39
Using a DVD/BluRay Device 5:17 5:13 6:18 -16.1% -1:01
Using a Game Console 6:38 6:26 6:51 -3.2% -0:13
Using the Internet on a Computer 28:58 28:29 28:33 1.5% 0:25
Watching Video on the Internet 6:59 5:51 5:06 36.9% 1:53
Mobile Subscribers Watching Video on
a Mobile Phone5:25 5:20 4:47 25.0% 1:05
Source: Nielsen
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TOMORROW’S HOME
Source: NCTA 2013
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USER INTERFACE
Improving input mechanisms:Cameras (gesture recognition, facial recognition)
Voice recognition
QWERTY remotes
Second screen navigation
Hosting user interfaces in the cloud enables:Faster development and deployment
Simplify integration of improved favorites, browsing, search, recommendations, multi-source meta-data
Everything is gets smarter more quickly!
Source: Bright House Networks
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RE-IMAGINATION OF TV
Source: Mary Meeker, Internet Trends (May 2012)
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POLLS –
TECHNOLOGY TOPICS TO LEARN NEXT
BUSINESS SEGMENT TOPICS TO LEARN NEXT
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ADDITIONAL RESOURCES
http://www.scte.org/cablebasics/
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Questions?Type your question in the Type here to chat… window.
Click Send(Only presenters will see questions)
HOW TO ASK A QUESTION
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REMINDER
• This session has been recorded
• Will be available on SCTE’s Member’s Only Site within 2-3 days
• To access previously recorded sessions
login to:
www.scte.org – with your member ID#, then scroll to the bottom of the page and select
““““SCTE Live Learning Archives”””” for a menu of previously recorded Live Learning sessions
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LIVELEARNING ARCHIVES
Free for SCTE Members
www.scte.org Under Resources/LiveLearning Archives
Topics include:
• Advanced Advertising
• Broadband Premises
• Business Services
• DOCSIS
• Emergency Alert System (EAS)
• Energy
• Ethernet
• Fiber Transport
• HFC Systems
• Home Networking
• IP
• OCAP
• PacketCable™
• Routing
• Service Management
• Standards
• Video
• VoIP
• Wireless Technology
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NEXT MONTH
Register for the next
SCTE Live Learning webinar
Service EnablementAugust 21, 2013
2:00 p.m. Eastern
www.scte.org
Under Professional Development/Live Learning
Available today at the conclusion of this presentation
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LIVELEARNING REGISTRATION
Register for the
SCTE LiveLearning Series
www.scte.org
Under Professional Development/
LiveLearning WebinarsAvailable today at the conclusion of this presentation
Third Wednesday of the monthat 2 PM Eastern