EP0224754B1 - Elektroakustische Diskussionsanlage - Google Patents

Elektroakustische Diskussionsanlage Download PDF

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Publication number
EP0224754B1
EP0224754B1 EP86115481A EP86115481A EP0224754B1 EP 0224754 B1 EP0224754 B1 EP 0224754B1 EP 86115481 A EP86115481 A EP 86115481A EP 86115481 A EP86115481 A EP 86115481A EP 0224754 B1 EP0224754 B1 EP 0224754B1
Authority
EP
European Patent Office
Prior art keywords
discussion
language
selector switch
subscriber
display
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
EP86115481A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0224754A2 (de
EP0224754A3 (en
Inventor
Helmut Brähler
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.)
Braehler Ics Konferenztechnik International Congre
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
Priority to AT86115481T priority Critical patent/ATE75360T1/de
Publication of EP0224754A2 publication Critical patent/EP0224754A2/de
Publication of EP0224754A3 publication Critical patent/EP0224754A3/de
Application granted granted Critical
Publication of EP0224754B1 publication Critical patent/EP0224754B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Definitions

  • the invention relates to an electroacoustic discussion system according to the preamble of claim l.
  • Electroacoustic discussion systems facilitate the mutual acoustic communication of the participants in a discussion, conference or the like.
  • Participant devices with microphones are available to the participants, which can be switched on individually, usually controlled from the central office. The spoken word is made audible via central or decentralized loudspeakers or via headphones which are connected to the subscriber devices.
  • Further developed discussion systems also offer the user additional functions. Your participant devices not only serve as a microphone desk, they are also used for voting, evaluation, learning control and generally as a means of communication between the organization and the discussion participant, for example as a paging device. In many cases, personal identification is also essential; this is mostly achieved by a card reader built into the subscriber device.
  • the participant devices of the known discussion systems have several switches and buttons for controlling the operating state and for entering messages to the central station by the participant, as well as lights for reporting the operating states and for outputting simple messages for the participant, e.g. for signaling that the microphone is ready to record.
  • These controls and indicators must be labeled so that the participant understands them.
  • this labeling to a sufficient extent presents considerable difficulties.
  • Discussion systems are practically always used in a multilingual environment. That is why multilingualism is actually necessary.
  • Pictograms are of no help here, since they are very difficult to implement in a way that is generally understandable for the diverse and very complex functions that need to be explained.
  • no user guidance is possible at all in the known discussion systems, depending on the respective operating state.
  • the invention is based on the object of creating an electroacoustic discussion system, on the subscriber devices of which a display of operating states and usage instructions which can be understood in several languages is implemented.
  • the display texts in the various languages are stored decentrally in the respective subscriber device in a memory. This is cheaper than a conceivable continuous transmission of the display texts from the center to the subscriber devices, because in the latter case a complex transmission channel of quite high capacity between the center and the subscriber devices alone for the transmission of the display texts in the different languages should be made available.
  • the decentralized text memories can easily contain the display texts in a large number of languages, for example in twelve languages, without loading the transmission capacity between the control center and the subscriber devices.
  • Discussion systems are very often used in conjunction with simultaneous interpreting systems. Then it is possible for each discussion participant to hear the contributions of the other participants in translation. Proceeding from this, the advantage of the important further development of the invention according to claim 2 is that the display on the subscriber device always takes place automatically in the language which the subscriber has selected as the listening language.
  • the assignment of the languages to the NF channels of the interception recipients is usually only fixed for one event, be it because one wants to put the languages offered on the first channels of the interception recipients without gaps or because you generally need a different language set for a certain event than for the previous event.
  • the embodiment of the invention according to claim 3 ensures that, even when languages are assigned to the NF channels, the interception receiver always has the same agreement between the interception language and the display language.
  • the processor receives an assignment list corresponding to the respective channel assignment, on the basis of which it knows the languages applicable to the individual positions of the channel selector switch and can accordingly control the text memory.
  • the electroacoustic discussion system shown in the figures comprises a control center 1, to which a larger number of subscriber devices 2 are electrically connected via a single, common cable 3.
  • the multi-core cable 3 leads from the control center 1 to several sockets 4, which are built into the furniture, for example the armchairs 5 of the room in which the discussion system is installed. At every plug can 4, a subscriber device 2 is connected.
  • Each subscriber device 2 comprises a microphone 22 and a headphone 23 connected via a feed line, as well as further communication devices via which the subscriber can enter messages for the center and can receive them from the center.
  • These communication devices serve e.g. - In a manner not shown here - for voting and voting, for assessment, for learning control or for identifying the participants. They include message input means, which are indicated in FIG. 1 by a keyboard 26, and a single, large liquid crystal display 24 for the optical output of messages and operating states.
  • a channel selector switch 25 is also provided, by means of which the subscriber can set which of several languages offered he wants to listen to the headphones 23.
  • the center 1 comprises an electro-acoustic amplifier device 11 for amplifying the sound or microphone signals coming from the microphones 22.
  • the amplifier device II controls the headphones 23 of the subscriber devices 2 via the cable 3.
  • the control center 1 further comprises a computer 12 working according to the program, which receives 3 digitally coded data signals from the subscriber devices 2 via two wires of the cable 3 and sends digitally coded control and display signals to the subscriber devices 2 via two wires of the cable 3.
  • control center 1 comprises a power supply l3 which, in addition to the amplifier device 11 and the computer l2, feeds via the cable 3 also the electronic assemblies contained in the individual subscriber devices 2 and to be explained in more detail.
  • Central 1 is assigned a simultaneous interpreting system 7, at which translations of the speech contributions coming from the microphones 22 are spoken to special LF channels. Their signals are also amplified in the amplifier device II and fed to the subscriber devices 2 together with the original sound via the cable 3.
  • Each subscriber device 2 contains a listening receiver 30 with e.g. twelve NF channels, on which the receiver provides the original sound and translations.
  • the design of the interception receiver 30 depends on the type of sound transmission via the cable 3. In the simplest case, with unmodulated parallel transmission of all channels, it is a simple connection element.
  • the outputs of the receiver 30 are routed to an LF gate circuit 32 to which the headphones 23 are connected.
  • the LF gate circuit is controlled by a processor 3l, which is connected to the cable 3 via an interface 33 and sends data signals to the computer l2 of the control center l via these and receives the control and display signals of the computer l2.
  • the processor 3l controls the liquid crystal display 24 via a further interface 34. Via a third interface 35, it is connected to a text memory 36 in the form of an EEPROM, an operating program memory 37 in the form of an EPROM and a working memory 38 in the form of RAM. Finally, the input keyboard 26 is connected to the processor 3l via an interface 39.
  • the channel selector switch 25 directly controls the LF gate circuit 32 and, via this, also provides information about its respective position to the processor 3l.
  • the NF channel of the receiver 30 is switched through to the headphones 23 by the LF gate circuit, the numbering of which corresponds to the position of the channel selector switch, i.e. there is a fixed assignment between the respective physical LF channel and the channel selector switch position. Which language is transmitted over the respectively switched NF channel depends on the assignment of the languages to the physical NF channels controlled in the central station 1.
  • a coding switch 27 which is not accessible to the subscriber can be provided, which has the same function as the channel selector switch and can be used to permanently set the subscriber device to a specific channel and thus a specific language.
  • liquid crystal display 24 By means of the liquid crystal display 24, operating states are displayed to the subscriber, for example the readiness for recording of the microphone or the readiness for Acceptance of an identification message, as well as explanatory notes on the use of the device.
  • the display is in the form of texts, and always only in one, selectable language.
  • the display texts are stored in several, for example twelve different languages in the text memory 36. Which language is used for the display depends on the position of the channel selector switch 25, alternatively on the position of the coding switch 27. Which of the respective display texts of a language depends on the respective operating state of the discussion system and the respective subscriber device.
  • the corresponding control of the liquid crystal display 24 is done by the processor 3l via the interface 34.
  • the processor 3l takes the required display texts from the text memory 36.
  • the processor 3l knows the respective position of the channel selector switch 25 via the LF gate circuit 32. From the central station l The processor receives via the interface 33 once at the beginning of an event an assignment table from which the assignment of the languages used to the physical NF channels is evident. In accordance with this assignment table, the processor sends display texts from the text memory 36 to the liquid crystal display 24 in the same language which is transmitted via the LF channel to which the channel selector switch 25 is set. The subscriber who sets a specific listening language at the channel selection switch 25 thus receives 24 text displays in the same language on the liquid crystal display.
  • the text store in the text memory 36 can be changed by deleting the text memory 36 from the computer l2 of the control center 1 and using a new text set, e.g. in other languages than before.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Machine Translation (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Circuits Of Receivers In General (AREA)
EP86115481A 1985-12-04 1986-11-07 Elektroakustische Diskussionsanlage Expired - Lifetime EP0224754B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86115481T ATE75360T1 (de) 1985-12-04 1986-11-07 Elektroakustische diskussionsanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3542886 1985-12-04
DE3542886A DE3542886A1 (de) 1985-12-04 1985-12-04 Elektroakustische diskussionsanlage

Publications (3)

Publication Number Publication Date
EP0224754A2 EP0224754A2 (de) 1987-06-10
EP0224754A3 EP0224754A3 (en) 1989-04-26
EP0224754B1 true EP0224754B1 (de) 1992-04-22

Family

ID=6287623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115481A Expired - Lifetime EP0224754B1 (de) 1985-12-04 1986-11-07 Elektroakustische Diskussionsanlage

Country Status (3)

Country Link
EP (1) EP0224754B1 (enrdf_load_stackoverflow)
AT (1) ATE75360T1 (enrdf_load_stackoverflow)
DE (2) DE3542886A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786358B1 (fr) * 1998-11-24 2001-02-23 Audio Presta Services Appareil repartiteur et mixeur d'ecoute a plusieurs voies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484747A1 (fr) * 1980-06-11 1981-12-18 Faye Andre Procede et dispositif pour etablir des communications bidirectionnelles et/ou multidirectionnelles entre differentes personnes regroupees en differentes stations geographiquement eloignees et reliees entre elles par des lignes telephoniques
GB2151870B (en) * 1983-12-22 1986-12-31 Anugraha Hotels Limited Conference communications system
DE3412418A1 (de) * 1984-04-03 1985-10-03 Helmut Brähler Konferenztechnik, 5330 Königswinter Dolmetscheranlage
HU190967B (en) * 1984-05-11 1986-12-28 Elektroakusztikai Gyar,Hu Wire interpreter apparatus with electronic chooser of langauge

Also Published As

Publication number Publication date
EP0224754A2 (de) 1987-06-10
EP0224754A3 (en) 1989-04-26
DE3542886A1 (de) 1987-06-11
ATE75360T1 (de) 1992-05-15
DE3542886C2 (enrdf_load_stackoverflow) 1992-08-20
DE3684997D1 (de) 1992-05-27

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