EP0844753B1 - Méthode et dispositif pour l' analyse de signaux numériques supplémentaires dans un programme de radiodiffusion - Google Patents

Méthode et dispositif pour l' analyse de signaux numériques supplémentaires dans un programme de radiodiffusion Download PDF

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Publication number
EP0844753B1
EP0844753B1 EP19970116443 EP97116443A EP0844753B1 EP 0844753 B1 EP0844753 B1 EP 0844753B1 EP 19970116443 EP19970116443 EP 19970116443 EP 97116443 A EP97116443 A EP 97116443A EP 0844753 B1 EP0844753 B1 EP 0844753B1
Authority
EP
European Patent Office
Prior art keywords
programme
broadcast radio
microprocessor
display
change
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19970116443
Other languages
German (de)
English (en)
Other versions
EP0844753A3 (fr
EP0844753A2 (fr
Inventor
Detlev Beyer
Helmut Dipl.-Ing. Warnecke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP0844753A2 publication Critical patent/EP0844753A2/fr
Publication of EP0844753A3 publication Critical patent/EP0844753A3/fr
Application granted granted Critical
Publication of EP0844753B1 publication Critical patent/EP0844753B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]

Definitions

  • the invention relates to a method and a device for evaluating additional digital information of a broadcast program.
  • the radio data system is a data channel with which additional and inaudible digital data is transmitted in parallel to the broadcast program.
  • Broadcast receivers with appropriate RDS decoders record RDS data transmitted in addition to broadcast reception with the same receiver, decrypt RDS data and reproduce it.
  • Over the RDS data channel information such as e.g. Traffic messages, transmitted by code words, with the location of the event and the event itself be transmitted. Instead of traffic reports, other RDS payloads of any kind such as e.g. Event notes are transmitted.
  • the received RDS data include, in addition to the RDS payload, a program identification code PI designating the transmitter of the RDS data, and a program service name PS representing the name of the transmitter of the RDS data.
  • the PI code in each group is transmitted as the first block.
  • RDS also provides further information.
  • the program name (PS code) which can consist of eight alphanumeric characters, is transmitted on the display for output.
  • PS code which can consist of eight alphanumeric characters
  • RT radio text
  • the program-accompanying information eg titles of music pieces.
  • EP-A-0 725 503 discloses a method and apparatus for evaluating RDS data of a broadcast program.
  • the invention is therefore based on the problem to provide a method and an apparatus for performing the method, in which a distraction of the user is avoided.
  • FIGURE shows a flow chart of the method.
  • the user data received by a receiver is decomposed into an audio signal and an RDS signal 1.
  • the RDS signal 1 is transmitted to a radio data detector 2, which converts the RDS signal 1 again into a digital signal 3, which is transferred to a microprocessor 4.
  • a query takes place whether the change lock is active.
  • the interlock is hardwired and not optional switchable and eliminates this query.
  • the query 8 can be implemented by software by appropriate programming of the microprocessor 4 or by external hardware. If the query 8 that the PI code has not changed, so is the display on the display element 5 is maintained by a command 9, ie the previously registered once program name from the PS code of an RDS signal 1 is shown on the display element 5 , If the query 8 shows that the PI code has changed, the corresponding new PS code is displayed on the display element 5 by means of a command 10. In this case, the microprocessor 4 previously checks whether a PS code belonging to the new PI code is stored in a memory element of the radio receiver. If this is the case, the PS code is displayed in the memory element.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (4)

  1. Procédé d'évaluation d'informations numériques complémentaires d'un programme de radiodiffusion, notamment de données RDS, caractérisé en ce qu'un verrouillage de modification est facultativement connecté de manière à ce qu'une modification du nom de service de programme PS ne puisse être acceptée pour l'affichage que lors d'une modification du code d'identification de programme PI.
  2. Procédé selon la revendication 1, caractérisé en ce que le verrouillage de modification est actif pour tous les programmes de radiodiffusion préprogrammés et programmés pendant le verrouillage de modification.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, lors d'une modification du code d'identification de programme PI, le nom du.service de programme PS provenant du signal RDS (1) n'est accepté pour l'affichage que dans le cas où aucun nom de service de programme PS correspondant au nouveau code d'identification de programme PI et ayant par ailleurs été accepté pour l'affichage, n'est stocké dans le récepteur de radiodiffusion.
  4. Dispositif destiné à évaluer des informations numériques complémentaires d'un programme de radiodiffusion, comprenant un récepteur de radiodiffusion, un microprocesseur relié au récepteur de radiodiffusion, un élément d'affichage pouvant être commandé par le microprocesseur, un élément de mémorisation relié de manière bidirectionnelle au microprocesseur et une unité d'entrée commandant le microprocesseur, caractérisé en ce qu'un verrouillage de modification peut être facultativement associé au microprocesseur (4) de manière à pouvoir y être connecté afin qu'une modification du nom de service de programme PS ne puisse être affichée sur l'élément d'affichage (5) que lors d'une modification du code d'identification de programme PI.
EP19970116443 1996-11-22 1997-09-22 Méthode et dispositif pour l' analyse de signaux numériques supplémentaires dans un programme de radiodiffusion Expired - Lifetime EP0844753B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19648377 1996-11-22
DE19648377 1996-11-22

Publications (3)

Publication Number Publication Date
EP0844753A2 EP0844753A2 (fr) 1998-05-27
EP0844753A3 EP0844753A3 (fr) 2004-01-14
EP0844753B1 true EP0844753B1 (fr) 2013-04-24

Family

ID=7812457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970116443 Expired - Lifetime EP0844753B1 (fr) 1996-11-22 1997-09-22 Méthode et dispositif pour l' analyse de signaux numériques supplémentaires dans un programme de radiodiffusion

Country Status (1)

Country Link
EP (1) EP0844753B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813678A1 (de) * 1998-03-27 1999-10-07 Becker Gmbh RDS-Empfänger und Verfahren zum Betreiben eines solchen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2536879B2 (ja) * 1987-08-12 1996-09-25 パイオニア株式会社 ラジオデ―タ受信機
EP0495136A3 (en) * 1991-01-15 1993-03-17 Pioneer Electronic Corporation Method of transmitting data in rds broadcasting
DE19503540A1 (de) * 1995-02-03 1996-09-05 Bosch Gmbh Robert Verfahren zum Empfang und zur Ausgabe eines Rundfunkprogrammes mit zugefügten digitalen Informationen und Rundfunkempfängern dazu

Also Published As

Publication number Publication date
EP0844753A3 (fr) 2004-01-14
EP0844753A2 (fr) 1998-05-27

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