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simon14

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#63321 24-Jun-2010 11:40
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I recently got given a flash new phone from work (lg gw525) and it has built in radio.

This isn't exactly 3g stuff but i'm surprised that when i'm listening to radio stations, it not only tells me the name of the station but in many cases, it also tells me the artist and name of the song that's playing.

My question is, how is this data being received? It's not being recieved via the internet because i've done tests!!

Is this data actually being sent via radio? If it is (which it must be) i'm surprised... i only thought radio sent sound waves? Is there a name for this? When did they first start broadcasting this data?

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johnr
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  #344838 24-Jun-2010 11:42
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Radio station is transmitting the data you see it quite often these days on Car radios

(PS you could of hoped up form your desk at work and come and asked me)

John

BlakJak
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  #344840 24-Jun-2010 11:48
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He could've hopped, too. :-)


https://secure.wikimedia.org/wikipedia/en/wiki/Radio_Data_System




No signature to see here, move along...

 
 
 
 


davidcole
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  #344841 24-Jun-2010 11:48
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Previously known as psycik

OpenHAB: Gigabyte AMD A8 BrixOpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10
Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex


ZollyMonsta
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  #344846 24-Jun-2010 12:13
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Mm yes RDS...




 

 

Media DevOps Engineer (TV) @ Vodafone
Check out my LPFM Radio Station at www.thecheese.co.nz cool


simon14

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  #344857 24-Jun-2010 12:51
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johnr: Radio station is transmitting the data you see it quite often these days on Car radios

(PS you could of hoped up form your desk at work and come and asked me)

John


I haven't started work yet, start at 2:30 all this week :)

guyz
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  #344861 24-Jun-2010 13:01
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simon14: I recently got given a flash new phone from work (lg gw525) and it has built in radio.

This isn't exactly 3g stuff but i'm surprised that when i'm listening to radio stations, it not only tells me the name of the station but in many cases, it also tells me the artist and name of the song that's playing.

My question is, how is this data being received? It's not being recieved via the internet because i've done tests!!

Is this data actually being sent via radio? If it is (which it must be) i'm surprised... i only thought radio sent sound waves? Is there a name for this? When did they first start broadcasting this data?



It is data transmission which is interwoven with the FM radio signal.Albeit the data is quite small it is enough to give basic text display on your radio.

Its known as FM-RDS and was used and developed on the Pager transmission system.
effectively the data piggy backs on the FM signal


simon14

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  #344862 24-Jun-2010 13:05
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Thanks for the info guys, i learnt something today!

 
 
 
 


nate
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#344942 24-Jun-2010 16:33
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johnr: (PS you could of hoped up form your desk at work and come and asked me)


He couldn't find you perched somewhere in the Vodafone carpark since they gave away your desk...

johnr
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  #344943 24-Jun-2010 16:35
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nate:
johnr: (PS you could of hoped up form your desk at work and come and asked me)


He couldn't find you perched somewhere in the Vodafone carpark since they gave away your desk...


I still have my desk ------just

andrewcnz
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  #344971 24-Jun-2010 18:30
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Ya need to be in the big city to get RDS info. Most radio networks not providing that service in regional areas.

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