NGBP ATSC 3.0 Overview

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This document provides an overview of ATSC 3.0, the next generation television broadcast standard. It explains that ATSC 3.0 is fundamentally different than previous standards and is not backwards compatible. It discusses key elements that influence the adoption of new technologies, and outlines improvements that ATSC 3.0 provides such as higher video quality, robust reception across devices, improved efficiency, and interactive capabilities. The document also summarizes how video content is statistically multiplexed and transmitted over the air using ATSC 3.0.

Technology

NGBP ATSC 3.0 - Overview
OPEN SOURCE MMT/ROUTE TOOLS | 03.06.2019
jjustman@ngbp.org

Introduction
Jason Justman
Sr. Principal Architect
SinclairDigital
jjustman@ngbp.org
Disclaimer: The views and forward-looking statements
presented in this document do not represent Sinclair Broadcast Group or OneMedia 3.0

What is ATSC 3.0?
…ATSC 3.0 is a suite of voluntary technical
Standards and Recommended Practices
that is fundamentally different from
predecessor ATSC systems and is therefore
largely incompatible with them.
Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org

That sounds scary…
Diffusion of Innovation
- Everett Rogers
….four main elements inﬂuence the spread of a new idea:
Source: Wikipedia
• the innovation itself
• communication channels
• time
• and a social system

…I’ve heard this before!
This divergence from earlier design is intended
to allow substantial improvements in
performance, functionality and efﬁciency
sufﬁcient to warrant implementation of a  
non-backwards-compatible system.
Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org

What really happens in Tech…
Source: http://linearityofexpectation.blogspot.com/2014/06/hype-curve-meet-diffusion-of-innovations.html

What’s the value proposition?
Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org
With higher capacity to deliver Ultra High-Deﬁnition
services, robust reception on a wide range of devices,
improved efﬁciency, IP transport, advanced
emergency alerting, personalization features and
interactive capability, the ATSC 3.0 Standard provides
much more capability than previous generations of
terrestrial broadcasting.

…That sounds incredibly complex
Image Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org
Conceptual Development of ATSC 3.0
started after 1.0 was released with the Grand Alliance.
Rethinking the fundamentals of RF Spectrum
Allocation and Utilization built on IP.

…I thought this was about Video?
…We’re getting there!Source:A/321 and A/322

Just one more slide…
…We’re getting there!Source:A/321 and A/322

…It’s important, I promise…
Source:A/321 and A/322

…It’s important, I promise…
Source:A/324

Statistical Multiplexing At Scale…and in IP!
Source:A/324

The Shannon Limit!
Source:A/324
The theoretical limit of how much information can
be carried over a noisy channel

SDR Forward and Return Transmission
Source:A/323

Receiver Conceptual Protocol Stack
Source:A/323
MMT:
LIVE DISTRIBUTION
(fragmentation aware)
ROUTE/DASH:
PRE-POSITIONED/NRT
OBJECT DELIVERY
(NOT fragmentation aware)

Moving from RF/Hardware to Software
Broadcast is just an HTML5 App!
ATSC A/337:
Application Signaling
ATSC A/344:
Interactive Content

libatsc3
• PCAP from in-market ATSC 3.0 forward transmissions
• SLT Acquisition
• MMT De-encapsulation and SLS
• ALC/ROUTE and DASH Re-constitution
• ISOBMFF Re-multiplexing output
• ffplay test harness video playback
Genesis: First line of code written in December 21st, 2018
Goal:To open ATSC 3.0 up to talented Software Engineers
www.ngbp.org

libatsc3 - and other supporting materials
https://github.com/jjustman/atsc-3.0-mmt-pcaps
www.ngbp.org
https://github.com/jjustman/libatsc3
https://github.com/jjustman/ffmpeg-hls-pts-discontinuity-reclock
https://github.com/jjustman/scte35

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NGBP ATSC 3.0 Overview

1. NGBP ATSC 3.0 - Overview OPEN SOURCE MMT/ROUTE TOOLS | 03.06.2019 jjustman@ngbp.org

2. Introduction Jason Justman Sr. Principal Architect SinclairDigital jjustman@ngbp.org Disclaimer: The views and forward-looking statements presented in this document do not represent Sinclair Broadcast Group or OneMedia 3.0

3. What is ATSC 3.0? …ATSC 3.0 is a suite of voluntary technical Standards and Recommended Practices that is fundamentally different from predecessor ATSC systems and is therefore largely incompatible with them. Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org

4. That sounds scary… Diffusion of Innovation - Everett Rogers ….four main elements inﬂuence the spread of a new idea: Source: Wikipedia • the innovation itself • communication channels • time • and a social system

5. …I’ve heard this before! This divergence from earlier design is intended to allow substantial improvements in performance, functionality and efﬁciency sufﬁcient to warrant implementation of a   non-backwards-compatible system. Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org

6. What really happens in Tech… Source: http://linearityofexpectation.blogspot.com/2014/06/hype-curve-meet-diffusion-of-innovations.html

7. What’s the value proposition? Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org With higher capacity to deliver Ultra High-Deﬁnition services, robust reception on a wide range of devices, improved efﬁciency, IP transport, advanced emergency alerting, personalization features and interactive capability, the ATSC 3.0 Standard provides much more capability than previous generations of terrestrial broadcasting.

8. …That sounds incredibly complex Image Source: ATSC A/300:2017 - ATSC 3.0 System - https://www.atsc.org Conceptual Development of ATSC 3.0 started after 1.0 was released with the Grand Alliance. Rethinking the fundamentals of RF Spectrum Allocation and Utilization built on IP.

9. …I thought this was about Video? …We’re getting there!Source:A/321 and A/322

10. Just one more slide… …We’re getting there!Source:A/321 and A/322

11. …It’s important, I promise… Source:A/321 and A/322

12. …It’s important, I promise… Source:A/324

13. ….yada yada yada… Source:A/324

14. Moving Video…ﬁnally! Source:A/324

15. Statistical Multiplexing At Scale…and in IP! Source:A/324

16. The Shannon Limit! Source:A/324 The theoretical limit of how much information can be carried over a noisy channel

17. SDR Forward and Return Transmission Source:A/323

18. Receiver Conceptual Protocol Stack Source:A/323 MMT: LIVE DISTRIBUTION (fragmentation aware) ROUTE/DASH: PRE-POSITIONED/NRT OBJECT DELIVERY (NOT fragmentation aware)

19. Moving from RF/Hardware to Software Broadcast is just an HTML5 App! ATSC A/337: Application Signaling ATSC A/344: Interactive Content

20. libatsc3 • PCAP from in-market ATSC 3.0 forward transmissions • SLT Acquisition • MMT De-encapsulation and SLS • ALC/ROUTE and DASH Re-constitution • ISOBMFF Re-multiplexing output • ffplay test harness video playback Genesis: First line of code written in December 21st, 2018 Goal:To open ATSC 3.0 up to talented Software Engineers www.ngbp.org

21. libatsc3 - and other supporting materials https://github.com/jjustman/atsc-3.0-mmt-pcaps www.ngbp.org https://github.com/jjustman/libatsc3 https://github.com/jjustman/ffmpeg-hls-pts-discontinuity-reclock https://github.com/jjustman/scte35

22. THANK YOU

NGBP ATSC 3.0 Overview

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