1. WABE Convention Hybrid
November 7th, 2011
Edmonton, Alberta FM-RDS/Internet
Radio Applications
Roy Kyrillos
Research Engineer
CRC

2. Many Platforms for Radio Listening
2

3. Delivery Platform of the Future ?
OR
Internet Broadcast
3

4. Hybrid Service Uses Both
OR
AND
Internet Broadcast
4

5. Hybrid Radio
Broadcast Audio
+
Internet Optional “enhancements”
5

6. Example: Radio Slideshow
Audio FM Transmitter
Hybrid
Receiver
FM
Production
Platform Internet
HTTP/Image
Visuals Server
6

7. Why Hybrid Radio ?
 Enhance radio experience
 Compete with “richer” platforms
 Multimedia
 Interactivity
 Audience measurement
 Advertising
 New business models
7

8. Why Hybrid with FM Radio ?
 A step towards digital radio
 Slow adoption of digital radio worldwide
 Well known technology
 Infrastructure deployed
 New momentum for FM and RDS ?
 iPod Nano 5 shows tagging
 FM in smartphones ... but just not accessible!
 NAB working on enabling FM-RDS in smartphones for public
emergency alerting
8

9. Example: Radio Slideshow
Audio FM Transmitter
Hybrid
Receiver
FM
Production
Platform Internet
HTTP/Image
Visuals Server
9

10. RadioDNS in a Sentence
Enable receivers to
automatically associate
radio stations
with their related
Internet ”enhancements”
10

11. A Standard for Hybrid Radio: RadioDNS
 Global effort
 Many players: NAB, EBU, ...
 Works with all standards
 Simple technology
 Governance:
Internet
 Like Internet domains
 Open to many applications
 RadioVIS, EPG, Tagging, Internet streaming roaming, ....
11

12. RadioDNS for FM
• Extended country code CE1
• Program identification C586
• FM frequency 95.8
12

13. RadioVIS
RadioVIS receiver access
FM-RDS radio station
to broadband content
C+Frequency
FM RDS PI+EC
radiodns.org RadioDNS = Br
DNS server oadcaster.ca
RadioVIS ?
broadcaster.ca RadioVIS = radi
ovis.crc.ca:6161
DNS server 3 Hybrid
Receiver
tion
STOMP connec
Push image (http
://...)
Push text(News,
weather, etc)
radiovis.ca:61613
RadioVIS & content server
:// ...)
Get image (http
HTTP transfer
13

14. RadioVIS Receivers
Pure Sensia
Chumby
Global Radio App
Nokia N900
14

15. CRC Recent Developments
15

16. CRC Recent Developments
Hybrid Radio on Smartphones
RadioDNS Service Platform
C+Frequency
FM RDS PI+EC
radiodns.ca RadioDNS = Br
DNS server oadcaster.ca
RadioVIS ?
radiodns.ca RadioVIS = radi
ovis.ca:61613
DNS server Hybrid
Receiver
tion
STOMP connec
Push image (http
://...)
Push text(News,
weather, etc)
radiovis.ca:61613
RadioVIS content server
://...)
Get image (http
HTTP transfer
16

17. CRC Recent Developments
Hybrid Radio on Smartphones
RadioDNS Service Platform
C+Frequency
FM RDS PI+EC
radiodns.ca RadioDNS = Br
DNS server oadcaster.ca
RadioVIS ?
radiodns.ca RadioVIS = radi
ovis.ca:61613
DNS server Hybrid
Receiver
tion
STOMP connec
Push image (http
://...)
Push text(News,
weather, etc)
radiovis.ca:61613
RadioVIS content server
://...)
Get image (http
HTTP transfer
17

18. FM TwoO Overview
 Launched in February 2011
 Pronounce: two "O", like in Web 2.0
 Samsung Galaxy S
 Demo/Testing Application
 First FM App on
Android Market
 40k downloads to date
 Test mode (RDS via Wifi)
 RT+ Decoding
 RadioDNS: RadioVIS/EPG
18

19. FM TwoO Compatibility
 Galaxy S Then:
YES
 Galaxy TAB: NO
 Nexus S: NO
 5 Galaxy S US
models: NO?
 Galaxy S 2: root
 Galaxy S Now:
ROOT
19

20. FM TwoO vs Default Samsung App
src: mmbtools.crc.ca
20

21. NAB 2011 Demo
 RadioVIS
 A RadioDNS-based application
From FM-RDS
- RT/RT+
- PS
- PI
- Audio
Hybrid Radio
From Internet
- Image
- Text
21

22. CRC FM-RDS Android Library
 Samsung Galaxy S
 Silicon Labs FM chipset
 High level API
 Control FM
 Receive PI, PS, RT
 Free of charge
 Redistribute on Android Market
 Give Credit to CRC
 Notify CRC
 Get from mmbtools.crc.ca ...
 ... Until Google provides FM API !?!?
22

23. CRC FM-RDS Android Library: Free Demo
Code
 Make an Android Radio
App in 15 minutes!
if (CRC_FMRDS_Library.radioIsSupported()) {
CRC_FMRDS_Library.openRadio(aManager);
CRC_FMRDS_Library.setBand(CRC_FMRDS_Library.BAND_87500_108000_kHz);
CRC_FMRDS_Library.setSpacing(CRC_FMRDS_Library.CHAN_SPACING_100_kHz);
CRC_FMRDS_Library.setEmphasis(CRC_FMRDS_Library.DE_TIME_CONSTANT_75);
CRC_FMRDS_Library.setChannel(currentFreq);
int i = 0;
while (i < 20){
try {
Thread.sleep(250);
} catch (InterruptedException e) {
}
CRC_FMRDS_Library.processRDS();
CRC_FMRDS_Library.syncMediaVolume(aManager);
i++;
}
String PI = Integer.toHexString(CRC_FMRDS_Library.getPI());
String PS = CRC_FMRDS_Library.getPS();
String RT = CRC_FMRDS_Library.getRT();
CRC_FMRDS_Library.closeRadio(aManager);
}
23

24. CRC Recent Developments
Hybrid Radio on Smartphones
RadioDNS Service Platform
C+Frequency
FM RDS PI+EC
radiodns.ca RadioDNS = Br
DNS server oadcaster.ca
RadioVIS ?
radiodns.ca RadioVIS = radi
ovis.ca:61613
DNS server Hybrid
Receiver
tion
STOMP connec
Push image (http
://...)
Push text(News,
weather, etc)
radiovis.ca:61613
RadioVIS content server
://...)
Get image (http
HTTP transfer
24

25. CRC RadioDNS Service Platform
radiodns.ca
 RadioDNS service hosted by CRC to provide a
flexible test platform for Canadian broadcasters
Multi-Program RadioDNS Content Server
 Multiple secured FTP accounts for content uploads
 RadioVIS, EPG content managers
 RadioVIS (STOMP), EPG server
 Virtualized server
 “cloudable”
 Group vs independent hosting
25

27. Uploading Content to the CRC RadioDNS
Platform
 Secured FTP access
 Download generic ftp client (ex.: Filezilla,
http://filezilla-project.org/)
 Login to your account with the username and password given
at the time of your registration
 Upload files for RadioDNS services in:
 /radiovis
 /radioepg
 Content updates can be automated
 Service is updated almost instantly after
content has changed
27

28. Using CRC RadioDNS
 RadioVIS service
 Images
 Images files uploaded to /radiovis
 Supports most formats: jpg, gif, png, bmp, etc
 Images are scaled and converted to a format best supported
by the RadioVIS specification
 Texts
 Text file is used to set the text transmitted inline with the
visual content
 Ex.: /radiovis/RadioVisTexts.txt
Vous écoutez CRC radio
Démo de services radioDNS
You are listening to CRC radio
RadioDNS services demo
28

29. Using CRC RadioDNS
 RadioEPG service
 Logo
 First images file found in /radioepg used as the station logo
 Supports most formats: jpg, gif, png, bmp, etc
 Station information
 Text file is used to configure the station details
 Ex.:
/radioepg/RadioEPGdata.txt
shortName=CRC
mediumName=CRC FM Radio
shortDescription=Test radio station that features advanced FM-RDS services
such as RadioDNS and RT+
keywords=rock, pop, classic
webLink=http://www.crc.gc.ca
language=en
serviceProvider=CRC Canada
29

30. Updating RadioVIS Content
30

31. Thanks
TEAM
François Lefebvre, Pascal Charest,
Jean-Michel Bouffard, Roy Kyrillos
PRESENTATIONS
www.slideshare.net/tag/crcmmb
www.youtube.com/crcmmb
PROJECTS
www.crc.ca/mmb, mmbTools.crc.ca,
openmokast.org
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