EP0844753A2 - 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
EP0844753A2
EP0844753A2 EP97116443A EP97116443A EP0844753A2 EP 0844753 A2 EP0844753 A2 EP 0844753A2 EP 97116443 A EP97116443 A EP 97116443A EP 97116443 A EP97116443 A EP 97116443A EP 0844753 A2 EP0844753 A2 EP 0844753A2
Authority
EP
European Patent Office
Prior art keywords
program
display
microprocessor
radio
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.)
Granted
Application number
EP97116443A
Other languages
German (de)
English (en)
Other versions
EP0844753B1 (fr
EP0844753A3 (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 digital Additional information of a radio program.
  • the radio data system is a data channel with which additional and inaudible digital data be transmitted in parallel with the radio program.
  • Radio receiver with suitable RDS decoders take transmitted RDS data with them in addition to radio reception the same receiver, decrypt the RDS data and play it back.
  • information such as Traffic reports using code words transferred, whereby the location of the event and the event itself are transmitted.
  • traffic reports other RDS user data of any kind such as e.g. Event information will be transmitted.
  • the received RDS data include in addition to the RDS user data, among other things a program identification code PI, which the Sender of the RDS data, and a program service name PS, the one Name for the sender of the RDS data.
  • the program identification includes e.g. 16 bit. This consists of a country code (4-bit), an area code (4-bit) and the actual program recognition (8-bit).
  • the PI code is not for immediate display of the received program on a display, but rather intended for the RDS receiver automatic tuning to another station in the same program chain enable as soon as the reception quality of the set station deteriorates.
  • the PI code is transmitted as the first block in each group.
  • PS code program name
  • RT radio text
  • RDS home receivers can use 64 alphanumeric characters as Be displayed in plain text. For car receivers, however, is one for security reasons Text display not desired.
  • the invention is therefore based on the problem of a method and an apparatus for Perform the procedure to avoid distracting the user becomes.
  • the invention is explained in more detail below on the basis of a preferred exemplary embodiment explained:
  • the single figure shows a flow diagram of the method.
  • the user data received by a receiver are broken down into an audio signal and an RDS signal 1.
  • the RDS signal 1 is transferred to a radio data detector 2, which converts the RDS signal 1 back into a digital signal 3, which is transferred to a microprocessor 4.
  • a query takes place on the microprocessor 4 as to whether the change lock is active. If the interchangeable lock is hard-wired and cannot be switched on, this query is not necessary. If the query shows that the change lock was not transferred from the input unit to the microprocessor 4, the display element 5 is activated by the microprocessor 4 according to the prior art, ie all data 6 selected by the radio transmitter for display on the display element 5 are displayed on the display element 5 .
  • the digital signal 3 is first subjected to a further evaluation before a possible output on the display element 5.
  • the query 8 can be implemented in software by appropriate programming of the microprocessor 4 or by external hardware. If query 8 reveals that the PI code has not changed, the display on display element 5 is maintained by a command 9, ie the previously registered program name from the PS code of an RDS signal 1 is shown on display element 5 .
  • the corresponding new PS code is displayed on the display element 5 by means of a command 10.
  • the microprocessor 4 checks beforehand 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. This avoids that a randomly transmitted advertising information is displayed as a new program name when changing the PI code and remains there until the PI code is changed again. If the change lock is active, the procedure described above is preferably used for all programs which have been stored or which have been newly stored during the operating state, regardless of whether these were stored with or without a change lock.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
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 true EP0844753A2 (fr) 1998-05-27
EP0844753A3 EP0844753A3 (fr) 2004-01-14
EP0844753B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0946009A2 (fr) * 1998-03-27 1999-09-29 BECKER GmbH Récepteur RDS et méthode pour le traitement des codes PS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444630A (en) * 1987-08-12 1989-02-17 Pioneer Electronic Corp Rds receiver
EP0495136A2 (fr) * 1991-01-15 1992-07-22 Pioneer Electronic Corporation Procédé de transmission de données par radiodiffusion RDS
EP0725503A1 (fr) * 1995-02-03 1996-08-07 Robert Bosch Gmbh Méthode pour la réception et la présentation d'un programme de radiodiffusion avec des informations numériques supplémentaires et récepteur pour l'affichage d'informations numériques d'autres programmes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444630A (en) * 1987-08-12 1989-02-17 Pioneer Electronic Corp Rds receiver
EP0495136A2 (fr) * 1991-01-15 1992-07-22 Pioneer Electronic Corporation Procédé de transmission de données par radiodiffusion RDS
EP0725503A1 (fr) * 1995-02-03 1996-08-07 Robert Bosch Gmbh Méthode pour la réception et la présentation d'un programme de radiodiffusion avec des informations numériques supplémentaires et récepteur pour l'affichage d'informations numériques d'autres programmes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0946009A2 (fr) * 1998-03-27 1999-09-29 BECKER GmbH Récepteur RDS et méthode pour le traitement des codes PS
EP0946009A3 (fr) * 1998-03-27 2004-01-14 BECKER GmbH Récepteur RDS et méthode pour le traitement des codes PS

Also Published As

Publication number Publication date
EP0844753B1 (fr) 2013-04-24
EP0844753A3 (fr) 2004-01-14

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