EP3082278B1 - Method and device for providing information relating to fm stations, by analysing a correspondence table, and associated sound reproduction apparatus - Google Patents

Method and device for providing information relating to fm stations, by analysing a correspondence table, and associated sound reproduction apparatus Download PDF

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Publication number
EP3082278B1
EP3082278B1 EP16164015.6A EP16164015A EP3082278B1 EP 3082278 B1 EP3082278 B1 EP 3082278B1 EP 16164015 A EP16164015 A EP 16164015A EP 3082278 B1 EP3082278 B1 EP 3082278B1
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EP
European Patent Office
Prior art keywords
station
correspondence
stations
name
correspondence table
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EP16164015.6A
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German (de)
French (fr)
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EP3082278A1 (en
Inventor
Alexandre Fromion
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PSA Automobiles SA
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PSA Automobiles SA
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Publication of EP3082278A1 publication Critical patent/EP3082278A1/en
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    • 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
    • H04H60/38—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 broadcast time or space
    • H04H60/41—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 broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
    • H04H60/44—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 broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast stations
    • 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 sound reproduction apparatuses, and more specifically to providing such apparatuses with information relating to stations broadcasting audio programs on a band of very high frequencies in frequency modulation (or FM (“Frequency Modulation”) ).
  • FM Frequency Modulation
  • FM stations broadcast radio frequency modulation (FM) programs in a band of very high frequencies (or VHF), generally between about 87 MHz and about 108 MHz, and frequently called "FM band".
  • VHF very high frequencies
  • RDS Radio Data System
  • the RDS service makes it possible to transmit, by waves, for the station in question, in particular its station identifier (PI field for "Program Identifier"), dynamic information (PS field for "Program Station”), and the all of its transmission frequencies (AF field for Alternate Frequency).
  • PI field for "Program Identifier”
  • PS field for "Program Station”
  • AF field for Alternate Frequency
  • this correspondence table can be provided at any time, for example to a sound reproduction apparatus, a station name corresponding to a station identifier or a station identifier corresponding to a station name.
  • the processing means may be arranged, in the event of reception of a list of station identifiers, to determine in the correspondence table the station names which are stored in correspondence of the station identifiers of this received list, then to provide these station names determined to the user, optionally sorted alphabetically to allow easy selection of the station of his choice.
  • the invention also proposes a sound reproduction apparatus comprising a tuner adapted to receive audio programs transmitted by stations on a band of very high frequencies and at least station identifiers representative of these stations and transmitted by means of a service.
  • Radio Data System and an information providing device of the type of that presented above.
  • the invention also proposes a vehicle, possibly of automobile type, and comprising a sound reproduction apparatus of the type of that presented above.
  • the object of the invention is notably to propose a DF device intended to provide information relating to stations broadcasting audio programs on a band of very high frequencies (or VHF) and which have a Radio Data System (or RDS) service.
  • VHF very high frequencies
  • RDS Radio Data System
  • the information supply device DF is part of a motor vehicle V, such as a car. But the invention is not limited to this application. It concerns any system, device or building that can use information relating to FM stations. Thus, the invention relates to any land vehicle, maritime (or fluvial), or air, sound reproduction devices (including radios and HiFi system tuners), facilities (including those of industrial type), and buildings (public or private).
  • a single vehicle V equipped with an information supply device DF according to the invention is schematically represented in the single figure.
  • a device (information supply) DF according to the invention, comprises storage means MS and processing means MT.
  • the device DF is part of an audio reproducing apparatus AR. But this is not obligatory. It could indeed be part of other on-board electronic equipment, coupled to the audio reproducing apparatus AR, or constitute on-board electronic equipment. Therefore, the DF device can be realized in the form of software modules (or computer or "software”), or a combination of electronic circuits (or “hardware”) and software modules.
  • the sound reproducing apparatus AR is a car radio integrated in the central handset CC which comprises a display screen EA and which is installed in a central portion of the dashboard PB of the vehicle V. But this is not mandatory. It could indeed be independent of this central handset CC and possibly coupled to the latter (CC) via an onboard communication network, possibly of the multiplexed type and allowing on-board electronic equipment, which are connected to it, to exchange information. and instructions.
  • the textual information that is related to the operation of the sound reproduction apparatus AR or the FM programs that it reproduces in the vehicle V are displayed by the display screen EA of the CC central handset. But this is not obligatory. They could indeed be displayed by a screen of the sound reproducing apparatus AR, for example of the LCD type.
  • the sound reproducing apparatus AR comprises in particular a tuner T responsible for receiving (via an antenna not shown) at least the audio programs (FM) and associated RDS messages which are transmitted by waves at very high frequencies and in modulation.
  • FM audio programs
  • RDS messages which are transmitted by waves at very high frequencies and in modulation.
  • the storage means MS of the device DF are arranged to store a table of correspondence between station identifiers is j (called “Program Idendifiers” (or PI) in the terminology of the RDS standard) and station names ns j (called “Program Service names” (or PSname) in the terminology of the RDS standard).
  • These storage means MS may, for example, be in the form of a non-volatile memory, possibly of software type.
  • This look-up table comprises digital data which define station identifiers j and station names ns j and which may be provided by the audio reproduction apparatus AR.
  • This digital data can be obtained from a dedicated service, for example periodically, via a wireless communication module of the vehicle V, or transmitted by way of waves to the vehicle V by this dedicated service, for example periodically and possibly via a wireless communication network.
  • they can be downloaded to a mobile communication equipment (mobile phone or tablet) through a dedicated application, then transferred to the sound reproduction device AR.
  • they may be stored on a removable memory element (such as for example a USB key or a memory card) which is temporarily coupled by the user to the device DF.
  • the sound reproducing apparatus AR is arranged for providing the DF device with each update of the correspondence table it receives, so that its storage means MS update the correspondence table that they store to have updated digital data (is j , ns j ).
  • the processing means MT of the device DF are arranged to determine in the correspondence table (stored in the storage means MS) either a station name ns j stored in correspondence of a station identifier is j received to provide this name. of station ns j determined, or a station identifier is j stored in correspondence of a station name ns j received to provide this station identifier is j determined.
  • the device DF when the device DF is part of the sound reproducing apparatus AR, it provides at least one station name ns j or at least one station identifier is j to this sound reproducing apparatus AR, on request of the latter (AR) having at least one station identifier is j corresponding or at least one station name ns j correspondent.
  • this last request may itself result from a request or a selection made by a user by means of a man / machine interface, here embedded in the vehicle V.
  • this man / machine interface can here be part of the AR sound reproduction device or CC central handset, and it can be touch (or digital) and / or (electro) mechanical or voice.
  • the AR sound reproduction apparatus may be arranged to provide interface means man / machine digital data which define a ns j station name of a station S j in which the program is being broadcast or whose frequency has been selected by a user, for display on the EA screen.
  • the tuner T may be arranged to determine a list is representative station identifiers j s j stations which it receives programs at the time concerned.
  • the processing means MT may advantageously be arranged, when they receive a list of station identifiers is j (for example provided by the tuner T of the sound reproducing apparatus AR), to determine in the table corresponding station names ns j stored in correspondence of the identifiers of station is j of this list received, then to provide these station names ns j determined (for example to the sound reproducing apparatus AR).
  • AR sound reproduction device can be arranged to provide interface means man / machine digital data that define j ns station names of all stations sj whose programs are available at the moment considered in for display on the EA screen to a user or to allow a user to select one of these ns j station names displayed. For example, these station names ns j determined can be displayed for the user by being sorted alphabetically to allow the latter an easy selection of the station of his choice.
  • the sound reproducing apparatus AR is informed and it can, for example, provide this station name ns j to the device DF so that it determines the correspondence table is the identifier of station j which is stored in correspondence with the station name ns j provided, so that it supplies to the tuner T for a tuning into associated with this station identifier is j determined. It is recalled that the different transmission frequencies of a station s j and the station identifier is j of the latter (s j ) are known to the tuner T.
  • the sound reproducing apparatus AR may, as illustrated without limitation, advantageously comprise conversion means MC arranged to convert a user-pronounced expression into digital data and to supply the latter to the device DF so that it determines in the lookup table if they are identical to numeric data defining a station name ns j or a station identifier is j .
  • This determination can be carried out by the processing means MT.
  • a spoken phrase might be "Classic Radio" or "Listen to France Info”.
  • the device DF supplies the tuner T with the station identifier is j which is stored in correspondence of the station name ns j defined by the numeric data provided, the station name ns j which is stored in correspondence of the station identifier is j defined by the provided digital data.
  • a user can very easily select a station s j pronouncing the station name ns j which is associated with the latter s j , in order to listen to the audio program that it emits and which is broadcast by speakers of the V vehicle through T tuner, even if s j selected station does not transmit at that time his name but general information.
  • the tuner T may be arranged to provide the device DF is a list of representative j station identifiers of stations from which it receives programs at the relevant instant, so that the DF device determines the correspondence table the station names ns j which are stored in correspondence of the identifiers of station is j of this list received, then that (DF) provide it with these station names ns j determined.
  • the tuner T can have at any time a correspondence between the identifiers of stations is j stations s j he receives the programs and station names ns j of these stations s j , which avoids having each time requesting a correspondence to the DF device when a new station is selected by the user.
  • the DF device makes it possible to display the name of a station in the event of difficult reception.
  • the technical structure of the RDS broadcast makes it possible to receive and decode the field PI (Program Idendifier) in weak field while it is impossible to reconstruct the name of the station (noise).
  • the DF device makes it possible to display the name of the station, which improves the service rendered to the user.

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

Description

L'invention concerne les appareils de reproduction sonore, et plus précisément la fourniture à de tels appareils d'informations relatives à des stations diffusant des programmes audio sur une bande de très hautes fréquences en modulation de fréquence (ou FM («Frequency Modulation »)).The invention relates to sound reproduction apparatuses, and more specifically to providing such apparatuses with information relating to stations broadcasting audio programs on a band of very high frequencies in frequency modulation (or FM ("Frequency Modulation") ).

Comme le sait l'homme de l'art, certaines stations dites FM diffusent des programmes radiophoniques en modulation de fréquence (ou FM) dans une bande de très hautes fréquences (ou VHF), généralement comprise entre environ 87 MHz et environ 108 MHz, et fréquemment appelée « bande FM ».As known to those skilled in the art, some FM stations broadcast radio frequency modulation (FM) programs in a band of very high frequencies (or VHF), generally between about 87 MHz and about 108 MHz, and frequently called "FM band".

Parmi ces stations FM, certaines diffusent également des informations au moyen d'un service Radio Data System (ou RDS). Plus précisément, le service RDS permet de transmettre par voie d'ondes, pour la station considérée, notamment son identifiant de station (champ PI pour « Program Identifier »), des informations dynamiques (champ PS pour « Program Station »), et l'ensemble de ses fréquences d'émission (champ AF pour « Alternate Frequency »).Some of these FM stations also broadcast information via a Radio Data System (or RDS) service. More precisely, the RDS service makes it possible to transmit, by waves, for the station in question, in particular its station identifier (PI field for "Program Identifier"), dynamic information (PS field for "Program Station"), and the all of its transmission frequencies (AF field for Alternate Frequency).

Initialement, le champ PS était dédié au seul nom de la station, ce qui permettait l'affichage de ce dernier sur un écran. Mais aujourd'hui ce champ PS comprend presque toujours des informations définissant au moins partiellement le programme en cours de diffusion, si bien que ce sont ces informations de programme qui sont désormais affichées sur l'écran et non plus le nom de la station. Le document EP0982886 A2 décrit un dispositif destiné à fournir des informations relatives à des stations diffusant chacune un programme audio. L'invention a notamment pour but d'améliorer la situation grâce à l'utilisation d'une table de correspondance entre des identifiants de station et des noms de station. L'invention est défini par les revendications. L'invention propose un dispositif, destiné à fournir des informations relatives à des stations diffusant chacune un programme audio sur une bande de très hautes fréquences et au moins un identifiant de station au moyen d'un service Radio Data System (ou RDS), et comprenant :

  • des moyens de stockage agencés pour stocker une table de correspondance entre des identifiants de station et des noms de station, et
  • des moyens de traitement agencés pour déterminer dans cette table de correspondance soit un nom de station qui est stocké en correspondance d'un identifiant de station reçu afin de fournir ce nom de station déterminé, soit un identifiant de station qui est stocké en correspondance d'un nom de station reçu afin de fournir cet identifiant de station déterminé.
Initially, the PS field was dedicated to the only name of the station, which allowed the display of the latter on a screen. But today this PS field almost always includes information at least partially defining the program being broadcast, so that it is this program information that is now displayed on the screen and no longer the name of the station. The document EP0982886 A2 discloses a device for providing information relating to stations each broadcasting an audio program. The object of the invention is notably to improve the situation by using a correspondence table between station identifiers and station names. The invention is defined by the claims. The invention proposes a device, intended to provide information relating to stations each broadcasting an audio program on a band of very high frequencies and at least one station identifier by means of a Radio Data System (or RDS) service, and comprising:
  • storage means arranged to store a correspondence table between station identifiers and station names, and
  • processing means arranged to determine in this table of correspondence either a station name that is stored in correspondence of a received station identifier to provide that station name determined, or a station identifier that is stored in correspondence of a received station name to provide that station identifier. station determined.

Grâce à cette table de correspondance on peut fournir à chaque instant, par exemple à un appareil de reproduction sonore, un nom de station correspondant à un identifiant de station ou un identifiant de station correspondant à un nom de station.With this correspondence table can be provided at any time, for example to a sound reproduction apparatus, a station name corresponding to a station identifier or a station identifier corresponding to a station name.

Par exemple, les moyens de traitement peuvent être agencés, en cas de réception d'une liste d'identifiants de station, pour déterminer dans la table de correspondance les noms de station qui sont stockés en correspondance des identifiants de station de cette liste reçue, puis pour fournir ces noms de station déterminés à l'usager, éventuellement triés alphabétiquement afin de lui permettre une sélection aisée de la station de son choix.For example, the processing means may be arranged, in the event of reception of a list of station identifiers, to determine in the correspondence table the station names which are stored in correspondence of the station identifiers of this received list, then to provide these station names determined to the user, optionally sorted alphabetically to allow easy selection of the station of his choice.

L'invention propose également un appareil de reproduction sonore comprenant un tuner, propre à recevoir des programmes audio transmis par des stations sur une bande de très hautes fréquences et au moins des identifiants de station représentatifs de ces stations et transmis au moyen d'un service Radio Data System, et un dispositif de fourniture d'informations du type de celui présenté ci-avant.The invention also proposes a sound reproduction apparatus comprising a tuner adapted to receive audio programs transmitted by stations on a band of very high frequencies and at least station identifiers representative of these stations and transmitted by means of a service. Radio Data System, and an information providing device of the type of that presented above.

L'appareil selon l'invention peut comporter d'autres caractéristiques qui peuvent être prises séparément ou en combinaison, et notamment :

  • il peut comprendre des moyens de conversion agencés pour convertir une expression prononcée par un usager en données numériques et pour fournir ces dernières au dispositif de fourniture d'informations afin qu'il détermine dans la table de correspondance si elles sont identiques à des données numériques définissant un nom de station ou un identifiant de station, puis, dans l'affirmative, qu'il fournisse soit l'identifiant de station qui est stocké en correspondance du nom de station défini par les données numériques fournies, soit le nom de station qui est stocké en correspondance de l'identifiant de station défini par les données numériques fournies ;
  • il peut être agencé pour fournir à son dispositif de fourniture d'informations chaque mise à jour de la table de correspondance qu'il reçoit afin que les moyens de stockage mettent à jour la table de correspondance qu'ils stockent ;
  • son tuner peut être agencé pour fournir à son dispositif de fourniture d'informations une liste d'identifiants de station représentatifs de stations dont il reçoit les programmes à l'instant considéré, afin qu'il détermine dans la table de correspondance les noms de station qui sont stockés en correspondance des identifiants de station de cette liste reçue, puis qu'il lui fournisse ces noms de station déterminés ;
  • il peut être agencé pour fournir à des moyens d'interface homme/machine des données numériques qui définissent un nom de station d'une station dont le programme est en cours de diffusion ou dont la fréquence a été sélectionnée par un usager, ou qui définissent les noms de station de toutes les stations dont les programmes sont accessibles à l'instant considéré, en vue de son/leur affichage sur un écran, et, en cas de sélection par un usager d'un nom de station affiché, pour fournir ce nom de station au dispositif de fourniture d'informations afin qu'il détermine dans la table de correspondance l'identifiant de station qui est stocké en correspondance de ce nom de station fourni pour qu'il le fournisse au tuner en vue d'une syntonisation sur la fréquence associée à cet identifiant de station.
The apparatus according to the invention may comprise other characteristics that can be taken separately or in combination, and in particular:
  • it may comprise conversion means arranged to convert a user-pronounced expression into digital data and to provide the latter to the information providing device so that it determines in the correspondence table whether they are identical to numerical data defining a station name or station identifier, and, if so, whether it provides either the station identifier that is stored in correspondence of the station name defined by the provided digital data, or the station name that is stored in correspondence of the station identifier defined by the provided digital data;
  • it can be arranged to provide its information provision device each update of the correspondence table that it receives so that the storage means update the correspondence table that they store;
  • its tuner can be arranged to supply its information supply device with a list of station identifiers representing stations from which it receives the programs at the instant in question, so that it determines in the correspondence table the station names which are stored in correspondence of the station identifiers of this received list, and then provide it with these determined station names;
  • it can be arranged to provide digital / human interface means that define a station name of a station whose program is being broadcast or whose frequency has been selected by a user, or which define the station names of all stations whose programs are available at the relevant time for display on a screen and, if a user has selected a station name displayed, to provide a station name at the information providing device for determining in the correspondence table the station identifier which is stored in correspondence with the supplied station name for supplying it to the tuner for tuning purposes on the frequency associated with this station identifier.

L'invention propose également un véhicule, éventuellement de type automobile, et comprenant un appareil de reproduction sonore du type de celui présenté ci-avant.The invention also proposes a vehicle, possibly of automobile type, and comprising a sound reproduction apparatus of the type of that presented above.

D'autres caractéristiques et avantages de l'invention apparaîtront à l'examen de la description détaillée ci-après, et du dessin annexé, sur lequel l'unique figure illustre schématiquement et fonctionnellement un véhicule automobile comprenant un combiné central équipé d'un appareil de reproduction sonore comportant un dispositif de fourniture d'informations selon l'invention.Other features and advantages of the invention will appear on examining the detailed description below, and the attached drawing, in which the single figure schematically and functionally illustrates a motor vehicle comprising a central unit equipped with a device. sound reproduction device comprising an information providing device according to the invention.

L'invention a notamment pour but de proposer un dispositif DF destiné à fournir des informations relatives à des stations qui diffusent des programmes audio sur une bande de très hautes fréquences (ou VHF) et qui disposent d'un service Radio Data System (ou RDS).The object of the invention is notably to propose a DF device intended to provide information relating to stations broadcasting audio programs on a band of very high frequencies (or VHF) and which have a Radio Data System (or RDS) service.

Dans ce qui suit, on considère, à titre d'exemple non limitatif, que le dispositif de fourniture d'informations DF fait partie d'un véhicule automobile V, comme par exemple une voiture. Mais l'invention n'est pas limitée à cette application. Elle concerne en effet tout système, appareil ou bâtiment pouvant utiliser des informations relatives à des stations FM. Ainsi, l'invention concerne tout véhicule terrestre, maritime (ou fluvial), ou aérien, les appareils de reproduction sonore (et notamment les autoradios et les tuners de chaîne HiFi), les installations (y compris celles de type industriel), et les bâtiments (publics ou privés).In what follows, it is considered, by way of non-limiting example, that the information supply device DF is part of a motor vehicle V, such as a car. But the invention is not limited to this application. It concerns any system, device or building that can use information relating to FM stations. Thus, the invention relates to any land vehicle, maritime (or fluvial), or air, sound reproduction devices (including radios and HiFi system tuners), facilities (including those of industrial type), and buildings (public or private).

On a schématiquement représenté sur l'unique figure un véhicule V équipé d'un dispositif de fourniture d'informations DF selon l'invention. Comme illustré, un dispositif (de fourniture d'informations) DF, selon l'invention, comprend des moyens de stockage MS et des moyens de traitement MT.A single vehicle V equipped with an information supply device DF according to the invention is schematically represented in the single figure. As illustrated, a device (information supply) DF, according to the invention, comprises storage means MS and processing means MT.

On notera que dans l'exemple illustré non limitativement sur l'unique figure, le dispositif DF fait partie d'un appareil de reproduction sonore AR. Mais cela n'est pas obligatoire. Il pourrait en effet faire partie d'un autre équipement électronique embarqué, couplé à l'appareil de reproduction sonore AR, ou bien constituer un équipement électronique embarqué. Par conséquent, le dispositif DF peut être réalisé sous la forme de modules logiciels (ou informatiques ou encore « software »), ou bien d'une combinaison de circuits électroniques (ou « hardware ») et de modules logiciels.It will be noted that in the example shown in a nonlimiting manner in the single figure, the device DF is part of an audio reproducing apparatus AR. But this is not obligatory. It could indeed be part of other on-board electronic equipment, coupled to the audio reproducing apparatus AR, or constitute on-board electronic equipment. Therefore, the DF device can be realized in the form of software modules (or computer or "software"), or a combination of electronic circuits (or "hardware") and software modules.

Par ailleurs, dans l'exemple illustré non limitativement, l'appareil de reproduction sonore AR est un autoradio intégré dans le combiné central CC qui comprend un écran d'affichage EA et qui est installé dans une partie centrale de la planche de bord PB du véhicule V. Mais cela n'est pas obligatoire. Il pourrait en effet être indépendant de ce combiné central CC et éventuellement couplé à ce dernier (CC) via un réseau de communication embarqué, éventuellement de type multiplexé et permettant à des équipements électroniques embarqués, qui sont connectés à lui, d'échanger des informations et instructions.Furthermore, in the example shown without limitation, the sound reproducing apparatus AR is a car radio integrated in the central handset CC which comprises a display screen EA and which is installed in a central portion of the dashboard PB of the vehicle V. But this is not mandatory. It could indeed be independent of this central handset CC and possibly coupled to the latter (CC) via an onboard communication network, possibly of the multiplexed type and allowing on-board electronic equipment, which are connected to it, to exchange information. and instructions.

De plus, on considère dans ce qui suit, à titre d'exemple non limitatif, que les informations textuelles qui sont relatives au fonctionnement de l'appareil de reproduction sonore AR ou aux programmes FM qu'il reproduit dans le véhicule V sont affichées par l'écran d'affichage EA du combiné central CC. Mais cela n'est pas obligatoire. Elles pourraient en effet être affichées par un écran de l'appareil de reproduction sonore AR, par exemple de type LCD.In addition, it is considered in the following, by way of non-limiting example, that the textual information that is related to the operation of the sound reproduction apparatus AR or the FM programs that it reproduces in the vehicle V are displayed by the display screen EA of the CC central handset. But this is not obligatory. They could indeed be displayed by a screen of the sound reproducing apparatus AR, for example of the LCD type.

L'appareil de reproduction sonore AR comprend notamment un tuner T chargé de recevoir (via une antenne non représentée) au moins les programmes audio (FM) et des messages RDS associés qui sont émis par voie d'ondes à très hautes fréquences et en modulation de fréquence (FM) par des stations sj (j = 1 à J, et J variant dans le temps et dans l'espace) lorsqu'il est calé (ou syntonisé) sur leur fréquence d'émission.The sound reproducing apparatus AR comprises in particular a tuner T responsible for receiving (via an antenna not shown) at least the audio programs (FM) and associated RDS messages which are transmitted by waves at very high frequencies and in modulation. Frequency (FM) by stations s j (j = 1 to J, and J varying in time and space) when it is tuned (or tuned) to their transmit frequency.

Les moyens de stockage MS du dispositif DF sont agencés pour stocker une table de correspondance entre des identifiants de station isj (appelés « Program Idendifiers » (ou PI) dans la terminologie de la norme RDS) et des noms de station nsj (appelés « Program Service names » (ou PSname) dans la terminologie de la norme RDS). Ces moyens de stockage MS peuvent, par exemple, se présenter sous la forme d'une mémoire non volatile, éventuellement de type logiciel.The storage means MS of the device DF are arranged to store a table of correspondence between station identifiers is j (called "Program Idendifiers" (or PI) in the terminology of the RDS standard) and station names ns j (called "Program Service names" (or PSname) in the terminology of the RDS standard). These storage means MS may, for example, be in the form of a non-volatile memory, possibly of software type.

Cette table de correspondance comprend des données numériques qui définissent des identifiants de station isj et des noms de station nsj et qui peuvent être fournies par l'appareil de reproduction sonore AR. Ces données numériques peuvent être obtenues auprès d'un service dédié, par exemple périodiquement, via un module de communication sans fil du véhicule V, ou bien transmises par voie d'ondes au véhicule V par ce service dédié, par exemple périodiquement et éventuellement via un réseau de communication sans fil. En variante, elles peuvent être téléchargées sur un équipement de communication mobile (téléphone mobile ou tablette électronique) grâce à une application dédiée, puis transférées dans l'appareil de reproduction sonore AR. Dans une autre variante, elles peuvent être stockées sur un élément de mémoire amovible (comme par exemple une clé USB ou une carte mémoire) qui est temporairement couplé par l'usager au dispositif DF.This look-up table comprises digital data which define station identifiers j and station names ns j and which may be provided by the audio reproduction apparatus AR. This digital data can be obtained from a dedicated service, for example periodically, via a wireless communication module of the vehicle V, or transmitted by way of waves to the vehicle V by this dedicated service, for example periodically and possibly via a wireless communication network. Alternatively, they can be downloaded to a mobile communication equipment (mobile phone or tablet) through a dedicated application, then transferred to the sound reproduction device AR. In another variant, they may be stored on a removable memory element (such as for example a USB key or a memory card) which is temporarily coupled by the user to the device DF.

De préférence, l'appareil de reproduction sonore AR est agencé pour fournir au dispositif DF chaque mise à jour de la table de correspondance qu'il reçoit, afin que ses moyens de stockage MS mettent à jour la table de correspondance qu'ils stockent pour disposer de données numériques (isj, nsj) actualisées.Preferably, the sound reproducing apparatus AR is arranged for providing the DF device with each update of the correspondence table it receives, so that its storage means MS update the correspondence table that they store to have updated digital data (is j , ns j ).

Les moyens de traitement MT du dispositif DF sont agencés pour déterminer dans la table de correspondance (stockée dans les moyens de stockage MS) soit un nom de station nsj stocké en correspondance d'un identifiant de station isj reçu afin de fournir ce nom de station nsj déterminé, soit un identifiant de station isj stocké en correspondance d'un nom de station nsj reçu afin de fournir cet identifiant de station isj déterminé.The processing means MT of the device DF are arranged to determine in the correspondence table (stored in the storage means MS) either a station name ns j stored in correspondence of a station identifier is j received to provide this name. of station ns j determined, or a station identifier is j stored in correspondence of a station name ns j received to provide this station identifier is j determined.

On comprendra que lorsque le dispositif DF fait partie de l'appareil de reproduction sonore AR, il fournit au moins un nom de station nsj ou au moins un identifiant de station isj à cet appareil de reproduction sonore AR, sur requête de ce dernier (AR) comportant au moins un identifiant de station isj correspondant ou au moins un nom de station nsj correspondant. On notera que cette dernière requête peut elle-même résulter d'une demande ou d'une sélection effectuée par un usager au moyen d'une interface homme/machine, ici embarquée dans le véhicule V. On notera également que cette interface homme/machine peut ici faire partie de l'appareil de reproduction sonore AR ou du combiné central CC, et qu'elle peut être tactile (ou digitale) et/ou (électro)mécanique ou bien vocale.It will be understood that when the device DF is part of the sound reproducing apparatus AR, it provides at least one station name ns j or at least one station identifier is j to this sound reproducing apparatus AR, on request of the latter (AR) having at least one station identifier is j corresponding or at least one station name ns j correspondent. It will be noted that this last request may itself result from a request or a selection made by a user by means of a man / machine interface, here embedded in the vehicle V. It will also be noted that this man / machine interface can here be part of the AR sound reproduction device or CC central handset, and it can be touch (or digital) and / or (electro) mechanical or voice.

On notera également que l'appareil de reproduction sonore AR peut être agencé pour fournir aux moyens d'interface homme/machine des données numériques qui définissent un nom de station nsj d'une station sj dont le programme est en cours de diffusion ou dont la fréquence a été sélectionnée par un usager, en vue de son affichage sur l'écran EA.Note also that the AR sound reproduction apparatus may be arranged to provide interface means man / machine digital data which define a ns j station name of a station S j in which the program is being broadcast or whose frequency has been selected by a user, for display on the EA screen.

On notera également que le tuner T peut être agencé pour déterminer une liste d'identifiants de station isj représentatifs des stations sj dont il reçoit les programmes à l'instant considéré. Dans ce cas, les moyens de traitement MT peuvent être avantageusement agencés, lorsqu'ils reçoivent une liste d'identifiants de station isj (par exemple fournie par le tuner T de l'appareil de reproduction sonore AR), pour déterminer dans la table de correspondance les noms de station nsj stockés en correspondance des identifiants de station isj de cette liste reçue, puis pour fournir ces noms de station nsj déterminés (par exemple à l'appareil de reproduction sonore AR).Note also that the tuner T may be arranged to determine a list is representative station identifiers j s j stations which it receives programs at the time concerned. In this case, the processing means MT may advantageously be arranged, when they receive a list of station identifiers is j (for example provided by the tuner T of the sound reproducing apparatus AR), to determine in the table corresponding station names ns j stored in correspondence of the identifiers of station is j of this list received, then to provide these station names ns j determined (for example to the sound reproducing apparatus AR).

L'appareil de reproduction sonore AR peut alors être agencé pour fournir aux moyens d'interface homme/machine des données numériques qui définissent les noms de station nsj de toutes les stations sj dont les programmes sont accessibles à l'instant considéré, en vue de leur affichage sur l'écran EA pour informer un usager ou pour permettre à un usager de sélectionner l'un de ces noms de station nsj affichés. Par exemple, ces noms de station nsj déterminés peuvent être affichés pour l'usager en étant triés alphabétiquement afin de permettre à ce dernier une sélection aisée de la station de son choix.AR sound reproduction device can be arranged to provide interface means man / machine digital data that define j ns station names of all stations sj whose programs are available at the moment considered in for display on the EA screen to a user or to allow a user to select one of these ns j station names displayed. For example, these station names ns j determined can be displayed for the user by being sorted alphabetically to allow the latter an easy selection of the station of his choice.

Ainsi, si l'usager sélectionne un nom de station nsj qui est affiché (en étant éventuellement trié alphabétiquement), l'appareil de reproduction sonore AR en est informé et il peut, par exemple, fournir ce nom de station nsj au dispositif DF afin qu'il détermine dans la table de correspondance l'identifiant de station isj qui est stocké en correspondance de ce nom de station nsj fourni, pour qu'il le fournisse au tuner T en vue d'une syntonisation sur la fréquence associée à cet identifiant de station isj déterminé. Il est en effet rappelé que les différentes fréquences d'émission d'une station sj et l'identifiant de station isj de cette dernière (sj) sont connus du tuner T.Thus, if the user selects a station name ns j which is displayed (possibly being sorted alphabetically), the sound reproducing apparatus AR is informed and it can, for example, provide this station name ns j to the device DF so that it determines the correspondence table is the identifier of station j which is stored in correspondence with the station name ns j provided, so that it supplies to the tuner T for a tuning into associated with this station identifier is j determined. It is recalled that the different transmission frequencies of a station s j and the station identifier is j of the latter (s j ) are known to the tuner T.

On notera également que l'appareil de reproduction sonore AR peut, comme illustré non limitativement, comprendre avantageusement des moyens de conversion MC agencés pour convertir une expression prononcée par un usager en données numériques et pour fournir ces dernières au dispositif DF afin qu'il détermine dans la table de correspondance si elles sont identiques à des données numériques définissant un nom de station nsj ou un identifiant de station isj. Cette détermination peut être réalisée par les moyens de traitement MT. Par exemple, une expression prononcée peut être « Radio classique » ou « écouter France Info ». En cas d'identité entre des données numériques fournies et des données numériques stockées (et donc dans l'affirmative), le dispositif DF fournit au tuner T soit l'identifiant de station isj qui est stocké en correspondance du nom de station nsj défini par les données numériques fournies, soit le nom de station nsj qui est stocké en correspondance de l'identifiant de station isj défini par les données numériques fournies.It will also be noted that the sound reproducing apparatus AR may, as illustrated without limitation, advantageously comprise conversion means MC arranged to convert a user-pronounced expression into digital data and to supply the latter to the device DF so that it determines in the lookup table if they are identical to numeric data defining a station name ns j or a station identifier is j . This determination can be carried out by the processing means MT. For example, a spoken phrase might be "Classic Radio" or "Listen to France Info". In the case of an identity between the digital data provided and the stored digital data (and therefore if so), the device DF supplies the tuner T with the station identifier is j which is stored in correspondence of the station name ns j defined by the numeric data provided, the station name ns j which is stored in correspondence of the station identifier is j defined by the provided digital data.

Ainsi, un usager peut très facilement sélectionner une station sj en prononçant le nom de station nsj qui est associé à cette dernière sj, afin d'écouter le programme audio qu'elle émet et qui est diffusé par des haut-parleurs du véhicule V grâce au tuner T, même si la station sj sélectionnée ne transmet pas à ce moment son nom mais des informations générales.Thus, a user can very easily select a station s j pronouncing the station name ns j which is associated with the latter s j , in order to listen to the audio program that it emits and which is broadcast by speakers of the V vehicle through T tuner, even if s j selected station does not transmit at that time his name but general information.

On notera également que le tuner T peut être agencé pour fournir au dispositif DF une liste d'identifiants de station isj représentatifs de stations dont il reçoit les programmes à l'instant considéré, afin que ce dispositif DF détermine dans la table de correspondance les noms de station nsj qui sont stockés en correspondance des identifiants de station isj de cette liste reçue, puis qu'il (DF) lui fournisse ces noms de station nsj déterminés. Ainsi, le tuner T peut disposer à chaque instant d'une correspondance entre les identifiants de station isj des stations sj dont il reçoit les programmes et les noms de station nsj de ces stations sj, ce qui lui évite d'avoir à demander à chaque fois une correspondance au dispositif DF lorsqu'une nouvelle station est sélectionnée par l'usager.Note also that the tuner T may be arranged to provide the device DF is a list of representative j station identifiers of stations from which it receives programs at the relevant instant, so that the DF device determines the correspondence table the station names ns j which are stored in correspondence of the identifiers of station is j of this list received, then that (DF) provide it with these station names ns j determined. Thus, the tuner T can have at any time a correspondence between the identifiers of stations is j stations s j he receives the programs and station names ns j of these stations s j , which avoids having each time requesting a correspondence to the DF device when a new station is selected by the user.

On notera également qu'un avantage, parmi d'autres, du dispositif DF concerne l'affichage du nom d'une station en cas de réception difficile. En effet, la structure technique de l'émission RDS permet de recevoir et décoder le champ PI (Program Idendifier) en champ faible alors qu'il est impossible de reconstituer le nom de la station (bruit). Dans ce cas, le dispositif DF rend possible l'affichage du nom de la station, ce qui permet d'améliorer le service rendu à l'usager.It should also be noted that one of the advantages of the DF device is the display of the name of a station in the event of difficult reception. Indeed, the technical structure of the RDS broadcast makes it possible to receive and decode the field PI (Program Idendifier) in weak field while it is impossible to reconstruct the name of the station (noise). In this case, the DF device makes it possible to display the name of the station, which improves the service rendered to the user.

Claims (10)

  1. A device (DF) for providing information relating to stations each broadcasting an audio programme on a very high frequency band and at least one station identifier by means of a Radio Data System service, characterized in that it includes storage means (MS) arranged to store a correspondence table between station identifiers and station names, and processing means (MT) arranged to determine in said correspondence table either a stored station name in correspondence to a station identifier received by said device (DF) so as to provide this determined station name, or a stored station identifier in correspondence to a station name received by said device (DF) so as to provide this determined station identifier.
  2. The device according to claim 1, characterized in that said processing means (MT) are arranged, in the case of reception, by said device (DF) of a list of station identifiers, so as to determine in said correspondence table the stored station names in correspondence to the station identifiers of this received list, then to provide these determined station names.
  3. The device according to claim 2, characterized in that said processing means (MT) are arranged so as to provide said determined station names, sorted alphabetically.
  4. A sound reproduction apparatus (AR), including a tuner (T) able to receive audio programmes transmitted by stations on a very high frequency band and at least station identifiers representative of said stations and transmitted by means of a Radio Data System service, characterized in that it includes in addition a device (DF) for providing information according to one of the preceding claims.
  5. The apparatus according to claim 4, characterized in that it includes conversion means (MC) arranged to convert an expression pronounced by a user into digital data and to provide the latter to said device (DF) for providing information so that it determines in said correspondence table if it is identical to digital data defining a station name or a station identifier, then, if so, that it provides either the stored station identifier in correspondence to the station name defined by the provided digital data, or the stored station name in correspondence to the station identifier defined by the provided digital data.
  6. The apparatus according to one of claims 4 and 5, characterized in that it is arranged to provide to said device (DF) for providing information each update of said correspondence table that it receives, so that said storage means (MS) update said correspondence table which they store.
  7. The apparatus according to one of claims 4 to 6, characterized in that said tuner (T) is arranged to provide to said device (DF) for providing information a list of station identifiers representative of stations for which it receives the programmes at the moment concerned, so that it (DF) determines in said correspondence table the stored station names in correspondence to the station identifiers of this received list, then that it (DF) provides it with these determined station names.
  8. The apparatus according to one of claims 4 to 7, characterized in that it is arranged to provide to man/machine interface means digital data defining a station name of a station, the programme of which is in the course of being broadcast or the frequency of which has been selected by a user, or defining the station names of all the stations for which the programmes are accessible at the moment concerned, with a view to its/their display on a screen (EA), and, in the case of selection by a user of a displayed station name, to provide this station name to said device (DF) for providing information so that it determines in said correspondence table the stored station identifier in correspondence to this provided station name so that it provides it to said tuner (T) with a view to a tuning on the frequency associated with this station identifier.
  9. A vehicle (V), characterized in that it includes a sound reproduction apparatus (AR) according to one of claims 4 to 8.
  10. The vehicle according to claim 9, characterized in that it is of the automobile type.
EP16164015.6A 2015-04-10 2016-04-06 Method and device for providing information relating to fm stations, by analysing a correspondence table, and associated sound reproduction apparatus Active EP3082278B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1553097A FR3034931B1 (en) 2015-04-10 2015-04-10 METHOD AND DEVICE FOR PROVIDING INFORMATION RELATING TO FM STATIONS, ANALYSIS OF A CORRESPONDENCE TABLE, AND ASSOCIATED SOUND RESTITUTION APPARATUS

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EP3082278A1 EP3082278A1 (en) 2016-10-19
EP3082278B1 true EP3082278B1 (en) 2018-06-13

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FR3071117B1 (en) * 2017-09-14 2019-09-20 Psa Automobiles Sa METHOD FOR PROVIDING INFORMATION RELATING TO AN AUDIO PROGRAM DIFFUSED BY A RADIO STATION

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DE19838039A1 (en) * 1998-08-21 2000-02-24 Bosch Gmbh Robert Broadcast receiver for RDS data reception in vehicle has memory locations for user-defined programme identification names

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FR3034931B1 (en) 2017-03-24
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