Radio Data System (RDS) - Revision history

CityK: /* External Links */ add project homepage

2011-10-11T22:54:21Z

External Links: add project homepage

← Older revision		Revision as of 22:54, 11 October 2011
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	==External Links==		==External Links==
	* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]		* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]
		+	* [http://rdsd.berlios.de/ RDS for Linux]
		+
	[[Category:Technology]]		[[Category:Technology]]
	[[Category:Radio]]		[[Category:Radio]]

CityK: /* What devices can receive RDS information? */ fixed link

2011-10-11T22:52:29Z

What devices can receive RDS information?: fixed link

← Older revision		Revision as of 22:52, 11 October 2011
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	The first requirement in order for a device to receive RDS should be self evident - it must be equipped with a [[Radio devices\|radio receiver/tuner]]. In addition, it will also require a RDS decoder.		The first requirement in order for a device to receive RDS should be self evident - it must be equipped with a [[Radio devices\|radio receiver/tuner]]. In addition, it will also require a RDS decoder.

-	For TV tuner cards which such capabilities, the most common RDS decoder chip seems to be the Philips SAA6588; which is found connected, via [[I²C]], to the card's video decoder chip. Examples of RDS capable cards include:	+	For TV tuner cards which such capabilities, the most common RDS decoder chip seems to be the Philips SAA6588; which is found connected, via [[I²C Protocol\|I²C]], to the card's video decoder chip. Examples of RDS capable cards include:
	* Terratec Cinergy 600		* Terratec Cinergy 600
	* KNC ONE TV-Station RDS		* KNC ONE TV-Station RDS

Sundtek: Adding Sundtek based FM RDS devices

2011-01-20T01:57:19Z

Adding Sundtek based FM RDS devices

← Older revision		Revision as of 01:57, 20 January 2011
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	* KNC One TV-Station DVR		* KNC One TV-Station DVR
	* TYPHOON TV TUNER CARD RDS		* TYPHOON TV TUNER CARD RDS
		+	* [[Sundtek]] MediaTV Pro (supported by the manufacturer)
		+	* [[Sundtek]] USB FM Radio (FM Transmitter/Receiver, supported by the manufacturer)

	Some USB radio dongles also have the capability to receive RDS data, such as the Silabs-based radio dongles (kernel module radio_si470x).		Some USB radio dongles also have the capability to receive RDS data, such as the Silabs-based radio dongles (kernel module radio_si470x).

CityK: add radio category

2010-04-10T19:50:40Z

add radio category

← Older revision		Revision as of 19:50, 10 April 2010
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	* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]		* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]
	[[Category:Technology]]		[[Category:Technology]]
		+	[[Category:Radio]]

Elafargue: /* User applications */ Link to rds-enabled icecast streaming example

2009-06-18T20:36:18Z

User applications: Link to rds-enabled icecast streaming example

← Older revision		Revision as of 20:36, 18 June 2009
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	* TMC applications to process traffic messages.		* TMC applications to process traffic messages.
	* Application to set the system clock according to RDS date/time.		* Application to set the system clock according to RDS date/time.
		+
		+	It is possible to embed radio text and station names into icecast streams as described on [https://www.lafargue.name/article2773.html this page].

	==External Links==		==External Links==
	* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]		* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]
	[[Category:Technology]]		[[Category:Technology]]

Elafargue: /* What devices can receive RDS information? */ Added the fact some USB dongles also receive RDS easily

2009-06-13T11:54:26Z

What devices can receive RDS information?: Added the fact some USB dongles also receive RDS easily

← Older revision		Revision as of 11:54, 13 June 2009
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	* KNC One TV-Station DVR		* KNC One TV-Station DVR
	* TYPHOON TV TUNER CARD RDS		* TYPHOON TV TUNER CARD RDS
		+
		+	Some USB radio dongles also have the capability to receive RDS data, such as the Silabs-based radio dongles (kernel module radio_si470x).

	==RDS in V4L2 standard==		==RDS in V4L2 standard==

Jimbley: Added category: Technology

2009-05-03T23:51:41Z

Added category: Technology

← Older revision		Revision as of 23:51, 3 May 2009
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	==External Links==		==External Links==
	* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]		* [http://en.wikipedia.org/wiki/Radio_Data_System Wikipedia's RDS article]
		+	[[Category:Technology]]

CityK: 13 revision(s)

2008-11-18T23:12:21Z

13 revision(s)

← Older revision

Revision as of 23:12, 18 November 2008

CityK: minor edit

2008-02-10T16:01:19Z

minor edit

← Older revision		Revision as of 16:01, 10 February 2008
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	==What devices can receive RDS information?==		==What devices can receive RDS information?==
-	The first requirement in order for a device to ~~receiving~~ RDS should be self evident - it must be equipped with a [[Radio devices\|radio receiver/tuner]]. In addition, it will also require a RDS decoder.	+	The first requirement in order for a device to receive RDS should be self evident - it must be equipped with a [[Radio devices\|radio receiver/tuner]]. In addition, it will also require a RDS decoder.

	For TV tuner cards which such capabilities, the most common RDS decoder chip seems to be the Philips SAA6588; which is found connected, via [[I²C]], to the card's video decoder chip. Examples of RDS capable cards include:		For TV tuner cards which such capabilities, the most common RDS decoder chip seems to be the Philips SAA6588; which is found connected, via [[I²C]], to the card's video decoder chip. Examples of RDS capable cards include:

CityK: a number of edits

2008-02-10T15:59:58Z

a number of edits

← Older revision		Revision as of 15:59, 10 February 2008
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-	'''RDS''' ~~is the abbreviation for Radio Data System. RDS~~ is a method of transmitting digital data along with the audio signal on FM radio. Although RDS is a European standard, it is also used in a slightly modified way in the USA, where it is called RBDS. Information on this page applies to both RDS and RBDS, and in the following discussion, the term "RDS" is used to refer to both standards.	+	'''Radio Data System (RDS)''' is a method of transmitting digital data along with the audio signal on FM radio. Although RDS is a European standard, it is also used in a slightly modified way in the USA, where it is called RBDS. Information on this page applies to both RDS and RBDS, and in the following discussion, the term "RDS" is used to refer to both standards.

	==What data is transmitted by RDS?==		==What data is transmitted by RDS?==
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	Even though analog radio may seem a bit old fashioned nowadays, RDS will certainly continue for several years, as it is relied upon by most car radio and navigation systems.		Even though analog radio may seem a bit old fashioned nowadays, RDS will certainly continue for several years, as it is relied upon by most car radio and navigation systems.

-	==~~Which cards~~ can receive RDS ?==	+	==What devices can receive RDS information?==
-		+	The first requirement in order for a device to receiving RDS should be self evident - it must be equipped with a [[Radio devices\|radio receiver/tuner]]. In addition, it will also require a RDS decoder.
-	~~A card~~ to be ~~used for RDS naturally has to have~~ a radio tuner. ~~Additionally~~, it ~~needs an~~ RDS decoder. ~~The most common chip seems to be the SAA6588 by Philips. It is connected via I2C to the video decoder chip.~~	+
-		+
-	~~Examples for RDS capable cards:~~	+

		+	For TV tuner cards which such capabilities, the most common RDS decoder chip seems to be the Philips SAA6588; which is found connected, via [[I²C]], to the card's video decoder chip. Examples of RDS capable cards include:
	* Terratec Cinergy 600		* Terratec Cinergy 600
	* KNC ONE TV-Station RDS		* KNC ONE TV-Station RDS
Line 24:		Line 22:

	==RDS in V4L2 standard==		==RDS in V4L2 standard==
-
	According to V4L2 specifications, raw data from RDS decoders is read from the radio device. Data consists of blocks where each block is 3 bytes long. All decoding has to be done in user space.		According to V4L2 specifications, raw data from RDS decoders is read from the radio device. Data consists of blocks where each block is 3 bytes long. All decoding has to be done in user space.

	==Kernel modules==		==Kernel modules==
-
	A kernel module for accessing the RDS decoder is needed. Hans J. Koch wrote a module for the SAA6588 (saa6588.ko). It's in the stable kernel since 2.6.14.		A kernel module for accessing the RDS decoder is needed. Hans J. Koch wrote a module for the SAA6588 (saa6588.ko). It's in the stable kernel since 2.6.14.

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	==RDS decoding==		==RDS decoding==
-
	RDS decoding in user space has to address the following situations:		RDS decoding in user space has to address the following situations:
-
	* There are more than one RDS capable cards in the system.		* There are more than one RDS capable cards in the system.
	* There are more than one applications that want to access an RDS source.		* There are more than one applications that want to access an RDS source.
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	==User applications==		==User applications==
-
	Within the rdsd project, a simple console tool (rdsquery) has been developed. Other possible applications could be:		Within the rdsd project, a simple console tool (rdsquery) has been developed. Other possible applications could be: