Presentation of the CRC FM TwoO Android application and the CRC FM Android Library to the RBDS committee of the NRSC at their NAB 2011 April meeting.

1. NRSC Meeting
April 8, 2011
Las Vegas
FM TwoO
&
CRC FM-RDS Android Library
François Lefebvre
Project Leader, CRC

2.  CRC: 20 years expertise on Eureka DAB
 Standardization
 Field trials
 Equipment, receiver tests
 Demonstration: industry, regulator, broadcasters
 Experiment with potential role of broadcasting in
mobile domain
 Multimedia applications
 Challenge: broadcast Rx in mobile devices ?
 Democratize broadcasting technologies
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3. E2E Eureka DAB Tools
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4. CRC-mmbTools
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5. FM-RDS New Momentum
 Slow adoption of DAB
 Status quo: FM does the job
 iPod Nano 5 shows tagging
 RadioDNS shows new potential for hybrid radio
 FM in smartphones ... but just not accessible!
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6. Challenge: FM API on mobile devices
 2009-2010
App. for HTC Touch Pro
 Windows Mobile
(closed platform)
 FM-RDS chip
(no official API)
 Developed RDS decoder
(rdslib)
 Presented at NAB 2010
Copyright: HTC
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7. RDS on Android... over WiFi
 2010 (After NAB)
App. for T-Mobile G1
 Android
(open platform)
 FM-RDS chip
(no! → We used a RDS over WiFi)
 Developed FM-RDS app.
(Support for ODAs)
(Using USRP + PC)
 READY for Android phones Copyright: HTC
with FM-RDS chip.
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8. FM TwoO Overview
 Pronounce: two "O", like in Web 2.0
 Samsung Galaxy S
 Demo Application
 First FM App on
Android Market
 > 10k downloads in 6 weeks
 Test mode (RDS via Wifi)
 RT+ Decoding
 NEW: RadioDSN / RadioVIS
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9. RT+ Uses
One click!
1st ODA Application!
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10. FM TwoO vs Default Samsung App
src: mmbtools.crc.ca
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11. NAB 2011 Demo (Booth N1938)
 RadioVIS
 A RadioDNS-based application
From FM-RDS
- RT/RT+
- PS
- PI
- Audio
 Hybrid Radio From Internet
- Image
- Text
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12. FM TwoO Compatibility
 Galaxy TAB: NO
 Nexus S: NO
 5 Galaxy S US
models? NO?
 Galaxy S 2: ?
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13. 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 !?!?
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14. 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);
}
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15. Android development
 ODA Rx on G1
Rx PC
PC
USRP
Tx FM
Rx FM
G1
USRP
Tx PC
WiFi
G1
USRP
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16. Thanks
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