hybrid radio everywhere for everyone€¦ · hybrid radio everywhere for everyone hradio.eu current...
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HYBRID RADIO EVERYWHERE FOR EVERYONE
HRADIO.EU
Current status
Lausanne, 31th March 2019
Alexander Erk (IRT)
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H2020 EU Project HRADIO
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• 8 Partners all over Europe
• Goal is to develop new Hybrid Radio scenarios for mobile, car and domestic use-cases
• Development of radio service access APIs for Android, iOS and Web
• Development of an overlay network for metadata and usage data distribution
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HRADIO: Time-Shift
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local TimeShift
cross device TimeShift
© HRADIO Consortium 2018
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HRADIO: Personalisation
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Profile & Context my program
© HRADIO Consortium 2018
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HRADIO: Interactivity & Visualisation
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Lyrics
Logos
Images
user feedbackWeb
enrich
enrich
© HRADIO Consortium 2018
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HRADIO technical work
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Client libraries
DAB-Multiplex (DAB/IP)
FIC-Packets MSC-Packets
Native C++ IRT DAB Libraries
OMRI Application (Android, iOS and JavaScript)
JNI Layer for Android
Swift/C++ Layer for iOS
WEBAssembly/emscripten with
JS/MSE
OMRI API
● Open Mobile Radio Interface
● Java based API for radio centric applications
● Implementations:○ Android : Ready ○ iOS: In work○ HTML/JS: 1st prototype
player is ready to test
● Technology agnostic
● High- and low-level access to radio data
● OMRI - ETSI TS 103632 V1.1.1
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Why not use DAB+ as format for IP radio?
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● DAB multiplexes contain all important audio and data services (not only MP3/AAC Audio)
● Completely self contained stream
● DynamicLabel+ is attached to the audio data (PAD) and perfectly in sync. esp. for the Item.running and Item.toggle information
● Slideshow is usually also attached to the audio data (PAD) and also perfectly in sync.
● Announcements/Warning/Traffic signalisation “in Band” with standardized means.
● Each single service is taken from the existing DAB+ multiplex of the broadcaster.
● Service following (DAB <-> IP) gets much more easier (no Audio processing/correlation)
● Application developers use DAB+ only
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DAB+ EDI Splitter
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Traditional DAB+ Mux
DAB+ EDI Splitter
EDI
EDI
Single Service EDIs
EDI
EDI
EDIClients only
see DAB+ services
BAND III OFDM Modulation
Standard CDN
delivery
HTTP/HTTPS
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HRADIO Android and WEB sample apps
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https://edistream.irt.de
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HRADIO technical work
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Metadata platform
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● Metadata importer for RadioDNS, DL+, ICY-Tag, WorldDAB-SPI, Radioplayer
● REST APIs for applications for service list, detailed search and personalisation queries
● Completely Docker based deployment.
● Next goals: Developing towards a federated system.
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Federation of metadata platforms
© HRADIO Consortium 2018
1 32
Query has two parts:
1. Genre, Geo information
2. Detailed query
(1) is used to discover best node
matches in the global node list
Local Search Node Index
1 Genre=Rock, Region=Bavaria
2 Genre=Pop, Region=NRW
3 Genre=Rock, Region=Bavaria
Query „Genre=Rock, Region=Bavaria“
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Privacy preserving usage data collection
• Noise will be added to the usage data at client side.
• Broadcasters get the right answer but not single personal information
• HRADIO uses the RAPPOR (Randomized Aggregatable Privacy-Preserving Ordinal
Response) algorithm from Google.
personal data (before) personal data (after) all data (before) all data (after)
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Next steps:
Pilot phase 2
© HRADIO Consortium 2018
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HRADIO Overview (pilot phase 2)
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Phase 3
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Car Client
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Recommendations:● Currently only for
services
TimeShift:● Time or ● content based
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Mobile Client
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Summary
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TF-OMRI
• The HRADIO client libraries work fine, covering Android and JavaScriptthe iOS versions are under development.
• DAB over IP is a way to bring “real” radio services over IP (radio is morethan just the MP3 audio).
• The metadata platform is in a good shape and interesting things will come (federation and privacy preserving usage data collection)
• Upcoming pilot phase will show integrated clients for mobile and car.
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This project received funding from the European Union’s Horizon2020 research and innovation programme under grant agreement no. 761813
FIND OUT MORE: WWW.HRADIO.EUGET IN TOUCH: [email protected]
FOLLOW ON TWITTER: @HRADIOPROJECT
THANK YOU FOR LISTENING