EP1494501B1 - Dispositif constitué d'un microphone sans fils et d'un récepteur - Google Patents

Dispositif constitué d'un microphone sans fils et d'un récepteur Download PDF

Info

Publication number
EP1494501B1
EP1494501B1 EP04015421A EP04015421A EP1494501B1 EP 1494501 B1 EP1494501 B1 EP 1494501B1 EP 04015421 A EP04015421 A EP 04015421A EP 04015421 A EP04015421 A EP 04015421A EP 1494501 B1 EP1494501 B1 EP 1494501B1
Authority
EP
European Patent Office
Prior art keywords
audio signal
receiver
signal
arrangement
switched
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
EP04015421A
Other languages
German (de)
English (en)
Other versions
EP1494501A2 (fr
EP1494501A3 (fr
Inventor
Gottfried Düren-Fisgus
Jürgen KONRAD
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.)
WISYCOM SRL
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1494501A2 publication Critical patent/EP1494501A2/fr
Publication of EP1494501A3 publication Critical patent/EP1494501A3/fr
Application granted granted Critical
Publication of EP1494501B1 publication Critical patent/EP1494501B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Definitions

  • the invention relates to an arrangement consisting of a wireless microphone and a receiver.
  • the receiver has a low-frequency output which, on the one hand, while transmitting the wireless microphone, transmits the transmission sound (program sound) and, on the other hand, while the wireless microphone is not on-air, allows consultation with the director.
  • the EP 0 806 758 A1 discloses a wireless companion device.
  • This includes a device housing for transmitting accompanying sound and text to at least one television receiver and a radio receiver in a wireless manner.
  • the housing is housed in the housing of a microphone and includes a program memory for storing a program and data; a microprocessor for controlling the entire device in accordance with the program and the data read from the program memory; an image memory for storing image data and text data; an LCD display for displaying selection and reservation conditions of a song; a sound memory for storing accompanying sound data; a sound source circuit for processing the accompanying sound data corresponding to a desired song, and read out from the sound memory to produce an accompanying sound signal; a video processor for converting image and text data corresponding to the desired song and read out of the image memory into a television signal; and transmission means comprising at least first transmission means for mixing the television signal output from the video processor and a voice signal provided by a microphone so as to transmit a mixed signal to the television receiver wirelessly and
  • the microphone contains a telecontrol function in the form of a switching or Aufschalt issued
  • the receiver includes an electrical switch and the switch performs an adjustable signal assignment of the transmitted audio signal on the receiver integrated low-frequency outputs, as well as the switching signal for further use Provides, such. B. for remote control of devices and the low-frequency outputs with the switching or Aufschaltfunktion alternately, can be switched parallel, active and inactive.
  • a low-frequency output is dedicated to the program tone or transmit sound, while the other low-frequency outputs are intended for directional consultation.
  • the switching or Aufschaltfunktion is controlled by a button, switch or an electrical accessory.
  • buttons of the digital intercoms can be assigned to different speech destinations, so that a targeted communication between different people can also take place in parallel. In urban situations, several people can be addressed simultaneously or groups of people can be grouped or grouped together.
  • the microphone signals are thus fed into the intercom independent of the controller so that they can be permanently monitored at the corresponding positions, such as the director or the editor of the program.
  • communication must be available to all. With large transmissions, therefore, 4 or more signals from microphones are present at a station.
  • the disadvantage of this persistence circuit is the fact that the ambient noise is continuously transmitted via the microphones. If one thinks of football matches or ice hockey broadcasts with a large audience, one can certainly understand that the "soundscape" on the headsets of the stations will be annoying in the long run. Even more problematic is when commands become incomprehensible because they are superimposed by a cheering crowd of fans. So far, there was no switching function, with which one could realize the connection of the microphones temporarily. On-demand communication creates peace of mind and ensures that no one has to turn down the volume of the microphone signals on the stations so that other commands do not go down in the noise of the microphone signals.
  • the manufacturer of wireless products is internationally known and specializes in practical HF technology.
  • a pushbutton has been integrated, which triggers a changeover or activation in the receiver.
  • the receiver unit is equipped with 2 audio outputs, which are switched alternately depending on the button press.
  • the first output provides the signal at idle and we are connected to the input of the audio mixer.
  • the second output is connected only at the push of a button and can be connected directly to the intercom. If the reporter wants to talk to the intercom, he presses the button and the audio signal is switched from output 1 to output 2.
  • the first output is mute for the duration of the key press.
  • the second (intercom) output is muted and the signal is again on the first output on the mixer.
  • the disturbing background noises are only transmitted for the duration of the call and are no longer permanently due to the switchover. In this way it is ensured that no commands are sent by mistake over the transmission line because the microphone was already open for the next moderation.
  • the threshold value of the intercom is permanently undershot by the muted second receiver output. Only the switched on audio, triggered by pressing the button on the transmitter, exceeds the threshold and the signaling is activated. If the actors had to be recognized by the voice because of the lack of signalisation, the button will now flash showing who has spoken and which key can be answered.
  • the switching function opens even more applications.
  • the communication between executives and field offices for, for example, news or election programs is usually realized via 4-wire voice connections.
  • Currently telephone hybrids, GSM interfaces or ISDN codecs are used.
  • an additional N-1 line is usually set up.
  • the local OB truck switches the signal to a receiver and via an ear plug, the actors can listen in and are accessible from the flow director via the N-1.
  • a reporter wants to get in touch with the running director, he can talk about the transmission line via his handheld microphone.
  • the fader must be open, the transmission line is already available, the line to be turned on to the direction and be heard there.
  • the local technician can address the director over the 4-wire and pass the desired message.
  • the switched output of the receiver can now be summed up with the 4-wire.
  • the reporter can thus communicate independently of the transmission line at the touch of a button with the directional control.
  • the return path from the sequence control is already available in the form of the N-1.
  • a switching device in the receiving unit is remotely controlled by a wireless microphone via a button.
  • the switching means switches the transmitted audio signal in such a way that the main output of the receiver is muted during the duration of the key press on the remote control and instead the audio signal is output via the now active, switched output.
  • the actual audio transmission from the hand-held transmitter to the receiver station does not change during the switching operations.
  • As a trigger for switching by pressing a button on the transmitter is the interruption of a digital signature, which is permanently transmitted from the handheld microphone to the receiving station.
  • the missing signature triggers an electrical diversion of the already demodulated audio signal in the receiver to the already mentioned switched output.
  • the transmission of the switching signal requires no additional bandwidth. In the following, reference is made to the main output with state 1 and to the "switching output" with state 2.
  • variable switching of the transmitted audio signal serves the different reuse of the signal in certain situations of an application (production, transmission, transmission).
  • the transmitted audio signal is used in the way it corresponds to the previous use of wireless microphone systems.
  • the signal can be used for advanced applications that allow only temporary signal injection, such as communication.
  • the signal is provided via two independent outputs that are mutually muted.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Selective Calling Equipment (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (6)

  1. Dispositif comportant un microphone sans fil et un récepteur, dans lequel le microphone sans fil présente les caractéristiques suivantes :
    - un dispositif de commutation ou d'entrée pour générer un signal de commutation ; et
    - un émetteur pour transmettre un signal audio et le signal de commutation ;
    dans lequel le récepteur présente les caractéristiques suivantes :
    - un commutateur électrique ; et
    - des sorties intégrées de signal audio, à partir desquelles une sortie de signal audio pour le son d'un programme ou d'une transmission est déterminée, et à partir desquelles au moins une autre sortie de signal audio est prévue pour une intercommunication avec la régie ; et
    dans lequel le commutateur électrique est réalisé de sorte que
    (a) les sorties intégrées de signal audio peuvent être commutées de façon active et inactive selon le signal de commutation et le signal audio peut être transmis par l'intermédiaire d'une sortie de signal audio intégrée commutée de façon active, et
    (b) le signal de commutation peut être utilisé pour la commande à distance d'autres appareils.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de commutation ou d'entrée est réalisé sous la forme d'une touche, en particulier un bouton-poussoir, sous la forme d'un commutateur ou sous la forme d'un appareil électrique supplémentaire.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le commutateur électrique est réalisé de sorte que les sorties intégrées du signal audio peuvent être commutées de façon alternative selon la pression sur la touche et peuvent en particulier être rendues muettes, être connectées et être commutées.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'une des sorties intégrées de signal audio est reliée à un système de communication/Intercom.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'émetteur du microphone sans fil est réalisé de sorte qu'il transmet en permanence le signal audio.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le signal de commutation est réalisé sous la forme d'une interruption d'une signature numérique, qui est transmise sinon en permanence depuis l'émetteur du microphone sans fil vers le récepteur, dans lequel le signal audio reçu peut être démodulé par le récepteur.
EP04015421A 2003-06-30 2004-06-30 Dispositif constitué d'un microphone sans fils et d'un récepteur Expired - Lifetime EP1494501B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20310083U 2003-06-30
DE20310083U DE20310083U1 (de) 2003-06-30 2003-06-30 Anordnung, bestehend aus einem drahtlosen Mikrofon und einem Empfänger

Publications (3)

Publication Number Publication Date
EP1494501A2 EP1494501A2 (fr) 2005-01-05
EP1494501A3 EP1494501A3 (fr) 2005-08-10
EP1494501B1 true EP1494501B1 (fr) 2007-06-27

Family

ID=29594764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015421A Expired - Lifetime EP1494501B1 (fr) 2003-06-30 2004-06-30 Dispositif constitué d'un microphone sans fils et d'un récepteur

Country Status (4)

Country Link
EP (1) EP1494501B1 (fr)
AT (1) ATE366037T1 (fr)
DE (2) DE20310083U1 (fr)
ES (1) ES2289397T3 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0806758A1 (fr) * 1996-05-09 1997-11-12 Marusho Co. Ltd. Dispositif d'accompagnement sans fil
JP4222695B2 (ja) * 1999-09-03 2009-02-12 パナソニック株式会社 デジタルワイヤレスマイクシステム

Also Published As

Publication number Publication date
EP1494501A2 (fr) 2005-01-05
EP1494501A3 (fr) 2005-08-10
DE502004004174D1 (de) 2007-08-09
ES2289397T3 (es) 2008-02-01
DE20310083U1 (de) 2003-11-20
ATE366037T1 (de) 2007-07-15

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