EP2472910A1 - Beschallungsanlage mit drahtlosen mobilen Kommunikationsvorrichtungen - Google Patents

Beschallungsanlage mit drahtlosen mobilen Kommunikationsvorrichtungen Download PDF

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Publication number
EP2472910A1
EP2472910A1 EP12154519A EP12154519A EP2472910A1 EP 2472910 A1 EP2472910 A1 EP 2472910A1 EP 12154519 A EP12154519 A EP 12154519A EP 12154519 A EP12154519 A EP 12154519A EP 2472910 A1 EP2472910 A1 EP 2472910A1
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EP
European Patent Office
Prior art keywords
mobile communication
communication device
wireless
wireless mobile
public address
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
EP12154519A
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English (en)
French (fr)
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EP2472910B1 (de
Inventor
Vahid Moosavi
Sean Wilson
Scott Rose
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.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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Filing date
Publication date
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Priority to EP12154519.8A priority Critical patent/EP2472910B1/de
Publication of EP2472910A1 publication Critical patent/EP2472910A1/de
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Publication of EP2472910B1 publication Critical patent/EP2472910B1/de
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • the present disclosure relates generally to public address systems, and more particularly to a public address system using wireless mobile communication devices as microphones.
  • the audience member When an audience member wishes to speak (e.g. in order to ask a question of a presenter in a large conference room/auditorium), the audience member usual raises his/her hand in an effort to attract the attention of a moderator/master of ceremonies. Upon being recognized by the moderator/master of ceremonies, the audience member then normally has to wait for a wireless microphone to be passed to him/her by a conference assistant who must deliver the wireless microphone, either directly or hand-to-hand by several other audience members, and thereafter retrieve it in like fashion. This process is inefficient in that the moderator/master of ceremonies may accidentally overlook the audience member, and time delays are introduced while the audience member waits to receive the cordless microphone.
  • a public address system comprising at least one wireless mobile communication device; a sound system, and a back-end system having an interface for exchanging connection information and requests with the at least one wireless mobile communication device and in response sending a connection authorization message to the at least one wireless mobile communication device for enabling access to the sound system and transmission of wireless audio signals thereto for broadcast.
  • a wireless mobile communication device comprising: a microphone, a wireless microphone application for converting audio signals to wireless signals, and at least one communications subsystem for sending a request message responsive to one of either activation of a URL link or launching of the wireless microphone application, receiving a connection authorization message, and in response transmitting the wireless signals for broadcast.
  • a back-end system for use in a public address system, comprising: an antenna, a computer that includes a data interface and application software for exchanging connection information and requests with a plurality of mobile communication devices via the antenna and in response arbitrating between the requests and sending a connection authorization message to one of the wireless mobile communication devices to enable access to the public address system and receiving and converting wireless signals from the one wireless mobile communication device to audio signals, and an audio interface for transmitting the audio signals to at least one speaker.
  • a method of operating a public address system comprising receiving at least one request message for access to the public address system, processing the request message for arbitrating between the request message and any other pending request message to access the public address system, and in response sending a connection authorization message to enable access to the public address system, and receiving wireless audio signals and transmitting said audio signals to the public address system.
  • FIG. 1 is a block diagram of an illustrative public address system using wireless mobile communication devices as microphones, in accordance with the present disclosure
  • FIG. 2 is block diagram illustrating a wireless mobile communication device in accordance with the present disclosure
  • FIGS. 3 , 3A and 3B are flow diagrams illustrating a method carried out by a wireless mobile communication device and a back-end system of the public address system, in accordance with the present disclosure.
  • FIG. 4 is a block diagram of an alternative public address system using wireless mobile communication devices as microphones, in accordance with the present disclosure.
  • FIG. 1 shows an illustrative public address system 100 using wireless mobile communication devices 110, 110', 110", etc., as microphones.
  • the public address system 100 may be configured to operate in a large conference room or auditorium environment, or other public or private venue.
  • Wireless mobile communication devices 110, 110', 110" communicate with a service provider 120 via a cellular network 130 to exchange voice and data.
  • the service provider 120 communicates via the Internet 140 to exchange voice and data with at least one messaging server 150 under control of a messaging infrastructure 160, in a well known manner.
  • the public address system 100 includes a back-end system 170 which, in the illustrated embodiment, includes an interface for communicating with the messaging server 150, as described in greater detail below, and an interface connected to an antenna 180 for wireless communication with mobile communication devices 110, 110', 110" using any of a plurality of well known wireless protocols, such as Wi-Fi or BluetoothTM (BluetoothTM is a registered trademark of Bluetooth SIG, Inc.), etc..
  • Wirelessly transmitted voice signals are transmitted from back-end system 170 to a sound system 190 for amplification and broadcast over at least one loudspeaker 195.
  • Back-end system 170 preferably comprises a computer, such as a PC or server that includes application software for wireless communication with mobile communication devices 110, 110', 110", using BluetoothTM, Wi-Fi, or other suitable wireless protocol.
  • the system 170 preferably also includes an audio interface having an analog audio output to the sound system 190.
  • FIG. 2 shows a block diagram illustrating some of the components of the wireless mobile communication devices 110, 110', 110", etc.
  • wireless mobile communication device 110 includes a communication subsystem 200 for wireless two-way data and voice communication with the cellular network 130.
  • Communication subsystem 200 may include one or more receivers, transmitters, antennas, signal processors and other components associated with wireless communications.
  • the particular design of the communication subsystem 200 depends on the network in which the wireless mobile communication device 110 is intended to operate.
  • the concepts herein may be applicable to a variety of wireless mobile communication devices, such as two-way pagers, cellular telephones, etc.
  • network access is associated with a subscriber or user of the wireless mobile communication device 110 via a memory module 202, which may be a Subscriber Identity Module (SIM) card for use in a GSM network or a Universal Subscriber Identity Module (USIM) card for use in a Universal Mobile Telecommunication System (UMTS).
  • SIM Subscriber Identity Module
  • USIM Universal Subscriber Identity Module
  • UMTS Universal Mobile Telecommunication System
  • the SIM card is inserted in or connected to an interface 204 of the wireless mobile communication device 110 to operate in conjunction with a wireless network.
  • the wireless mobile communication device 110 may have an integrated identity module for use with systems such as Code Division Multiple Access (CDMA) systems.
  • CDMA Code Division Multiple Access
  • the wireless mobile communication device 110 also includes a battery interface 206 for receiving at least one rechargeable battery 208.
  • the battery 208 provides electrical power to at least some of the electrical circuitry in the wireless mobile communication device 110, and the battery interface 206 provides a mechanical and electrical connection for the battery 208.
  • the wireless mobile communication device 110 includes a microprocessor 210 which controls the overall operation of the wireless mobile communication device 110. Communication functions, including at least data and voice communications, are performed through the communication subsystem 200, as discussed above.
  • the microprocessor 210 also interacts with additional device subsystems such as a display 212, flash memory 214, a random access memory (RAM) 216, auxiliary input/output (I/O) subsystems 218, a data port such as serial port 220, keypad 222, speaker 224, microphone 226, a short-range (i.e. near field) communications subsystem 228, and any other device subsystems generally designated as 230.
  • the microprocessor may further interact with other components, which for simplicity are not shown in FIG. 2 .
  • the microprocessor 210 in addition to its operating system functions, enables execution of software applications on the wireless mobile communication device 110.
  • Software which may include operating system software or application software, may be stored in flash memory 214, RAM 216 or any other memory element.
  • application software is provided to permit the wireless mobile communication device 110 to function as a wireless microphone in the public address system 100 of FIG. 1 .
  • the wireless mobile communication device 110 may include a personal information manager (PIM) application having the ability to organize and manage data items relating to a user such as, but not limited to, instant messaging, email, calendar events, voice mails, appointments, and task items.
  • PIM personal information manager
  • a received data signal representing information such as a text message, an email message, a media file to be transferred, or Web page download will be processed by the communication subsystem 200 and input to the microprocessor 210, which will further process the signal.
  • the microprocessor 210 may generate output for display on the display 212.
  • the wireless mobile communication device110 may receive one or more signals associated with a voice communication, such as an indication of the identity of a calling party.
  • the microprocessor 210 may generate output for display on display 212 and/or the speaker 224.
  • a short-range communications subsystem 228 is provided for communication between the wireless mobile communication device 110 and different systems or devices, which need not necessarily be similar devices.
  • the short-range communications subsystem 228 may include an infrared device and associated circuits and components, or a wireless bus protocol compliant communication mechanism such as a BluetoothTM communication module to provide for communication with similarly-enabled systems and devices.
  • the short-range communications subsystem 228 may be a wireless networking communications subsystem, conforming to IEEE 802.11 standards such as one or more of 802.11b, 802.11g, or 802.11n.
  • the short-range communications subsystem 228 permits wireless communication with the public address system 100 via antenna 180 using any of the foregoing well known wireless protocols to transmit voice signals that are then sent to sound system 190 for broadcast over the loudspeaker 195.
  • the choice of wireless protocol may depend on the size of auditorium/hall/conference room in which the meeting is to take place. For example, a person of skill in the art will appreciate that phone-class BluetoothTM communications may be used for distances of about 10 meters between the wireless mobile communication devices 110, 110', 110" and the public address system 100, whereas WiFi provides a range of about 100 meters.
  • the short-range communications subsystem 228 may also communicate with an RFID/NFC (radio frequency identification/near field communication) or similar tag to identify an audience member and associate the audience member with a particular seat (or other location) in order to permit the audience member to speak or initiate questions under control of back-end system 170.
  • RFID/NFC radio frequency identification/near field communication
  • the wireless mobile communication devices 110, 110', 110" may include one or more circuit boards (not shown) that implement the components described above. This disclosure is not limited to any particular electronic component or software module or any combination thereof.
  • a master of ceremonies issues an SMS/email/calendar appointment invitation (step 300) to the wireless mobile communication devices 110, 110', 110", etc. of a plurality of invited participants.
  • the invitation includes a link (e.g. URL) to a web site that provides information on how to connect to the public address system at the designated time and place of the appointment (i.e. meeting).
  • the back-end system 170 may send a confirmation message to the wireless mobile communication device 110, 110', 110", for displaying a message via display 212 to indicate that the user's request is pending.
  • back-end system 170 transmits a connection authorization message (step 320) to the user's wireless mobile communication device 110, 110', 110" via messaging server 150 under control of messaging infrastructure 160, Internet 140 and the cellular network 130, to enable access to the public address system 100 via antenna 180.
  • the wireless mobile communication device 110, 110', 110" launches its wireless microphone application from flash memory 214, RAM 216, etc., and communicates with the public address system 100 via antenna 180 (step 330) to transmit voice signals that are then sent to sound system 190 for broadcast over the loudspeaker 195.
  • the wireless microphone application functions in a manner similar to well known hands-free applications for mobile GPS units, and can either be pre-loaded on the wireless mobile communication device 110, 110', 110", manually downloaded from service provider 120 (or other web application provider), or automatically downloaded from the back-end system 170 along with the connection data during step 320 or, according to one embodiment discussed below in connection with FIG. 4 , the wireless microphone application may be downloaded from an RFID/NFC device to the wireless mobile communication device 110, 110', 110". In one embodiment, the wireless microphone application may enforce frequency damping to avoid feedback from loudspeaker 195.
  • Wi-Fi utilizes WPA (Wi-Fi Protected Access) while BluetoothTM may include a security layer on top of the communications channel, as is well known in the art.
  • WPA Wi-Fi Protected Access
  • BluetoothTM may include a security layer on top of the communications channel, as is well known in the art.
  • an NFC-enabled device is used to program individual RFID/NFC tags 400, 400', 400", etc. with password information to enable either BluetoothTM pairing or Wi-Fi authentication to the public address system 100.
  • the wireless microphone application is also downloaded from the RFID/NFC tags 400, 400', 400", etc. to wireless mobile communication devices 110, 110', 110", etc.
  • RFID/NFC tags 400, 400', 400", etc. are integrated electronic chips and antennae. Normally, the RFID/NFC tags are passive and battery-less and are powered by an electromagnetic excitation field from the short range (near field) communications component 228 of the mobile communication device. However, active, battery-powered tags may also be utilized.
  • the wireless mobile communication device 110, 110', 110", etc. launches an application (step 305), which causes the device 110, 110', 110" to wirelessly send a request message to back-end system 170 via one of either antenna 180 or the cellular network 130, Internet 140 and messaging server 150 under control of messaging infrastructure 160 (step 310).
  • the request message is processed by the back-end system 170 (step 315), either automatically or under control of the MC, to arbitrate between the user request and any other pending user requests to access the public address system 100 via their wireless mobile communication devices 110, 110', 110",etc.
  • back-end system 170 sends a connection authorization message (step 320) to the user's wireless mobile communication device 110, 110', 110" to enable access to the public address system 100 via antenna 180.
  • the wireless mobile communication device 110, 110', 110" launches its wireless microphone application from flash memory 214, RAM 216, etc., and communicates with the public address system 100 via antenna 180 (step 330) to transmit voice signals that are then sent to sound system 190 for broadcast over the loudspeaker 195, as discussed above in connection with the embodiment of FIG. 1 .
  • a public address system comprising:
  • connection authorization message (step 320) from back-end system 170 to the user's wireless mobile communication device 110, 110', 110" is described in the embodiments of FIGS. 1 and 4 as occurring via messaging server 150 under control of messaging infrastructure 160, Internet 140 and the cellular network 130, it is contemplated that the connection authorization message can be transmitted from back-end system 170 to the user's wireless mobile communication device 110, 110', 110" via antenna 180. All such changes are believed to be within the scope of this disclosure in its broadest aspects and as set forth in the following claims.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
EP12154519.8A 2009-02-26 2009-02-26 Beschallungsanlage mit drahtlosen mobilen kommunikationsvorrichtungen Active EP2472910B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12154519.8A EP2472910B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahtlosen mobilen kommunikationsvorrichtungen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12154519.8A EP2472910B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahtlosen mobilen kommunikationsvorrichtungen
EP09153832.2A EP2224753B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahlosen Mobilkommunikationseinrichtungen

Related Parent Applications (3)

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EP09153832.2 Division 2009-02-26
EP09153832.2A Division EP2224753B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahlosen Mobilkommunikationseinrichtungen
EP09153832.2A Division-Into EP2224753B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahlosen Mobilkommunikationseinrichtungen

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EP2472910A1 true EP2472910A1 (de) 2012-07-04
EP2472910B1 EP2472910B1 (de) 2020-11-11

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EP12154519.8A Active EP2472910B1 (de) 2009-02-26 2009-02-26 Beschallungsanlage mit drahtlosen mobilen kommunikationsvorrichtungen

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2750407A1 (de) * 2012-12-27 2014-07-02 GN Resound A/S Hörgerät, welches Kommunikationsverbindungen mit Hilfe von Nahfeldkommunikations-Tags aufbaut, mit Energieverwaltung und zugehörigem Verfahren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201203307D0 (en) * 2012-02-27 2012-04-11 Pearson Steven Remvox
EP3017577A1 (de) * 2013-07-01 2016-05-11 Giesecke & Devrient GmbH Medienverteilungssystem und medienverteilungsverfahren
US9392386B2 (en) 2014-03-14 2016-07-12 Qualcomm Incorporated Audio signal adjustment for mobile phone based public addressing system

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US5860023A (en) * 1996-07-01 1999-01-12 Sun Microsystems, Inc. Device for getting sophisticated data and voice information from audience
DE10124337A1 (de) * 2001-05-18 2002-11-21 Deutsche Telekom Ag Konferenzanlage
WO2007003683A1 (en) * 2005-06-30 2007-01-11 Nokia Corporation System for conference call and corresponding devices, method and program products
WO2008074350A1 (en) * 2006-12-20 2008-06-26 Phonak Ag Wireless communication system
EP2026275A1 (de) * 2007-07-27 2009-02-18 Hewlett-Packard Development Company, L.P. Verfahren zur Reaktion auf eine Medieneinheit mittels mobiler Vorrichtung

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US8880047B2 (en) * 2005-08-03 2014-11-04 Jeffrey C. Konicek Realtime, location-based cell phone enhancements, uses, and applications
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Publication number Priority date Publication date Assignee Title
US5860023A (en) * 1996-07-01 1999-01-12 Sun Microsystems, Inc. Device for getting sophisticated data and voice information from audience
DE10124337A1 (de) * 2001-05-18 2002-11-21 Deutsche Telekom Ag Konferenzanlage
WO2007003683A1 (en) * 2005-06-30 2007-01-11 Nokia Corporation System for conference call and corresponding devices, method and program products
WO2008074350A1 (en) * 2006-12-20 2008-06-26 Phonak Ag Wireless communication system
EP2026275A1 (de) * 2007-07-27 2009-02-18 Hewlett-Packard Development Company, L.P. Verfahren zur Reaktion auf eine Medieneinheit mittels mobiler Vorrichtung

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Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2750407A1 (de) * 2012-12-27 2014-07-02 GN Resound A/S Hörgerät, welches Kommunikationsverbindungen mit Hilfe von Nahfeldkommunikations-Tags aufbaut, mit Energieverwaltung und zugehörigem Verfahren

Also Published As

Publication number Publication date
CA2690661A1 (en) 2010-08-26
EP2472910B1 (de) 2020-11-11
CA2690661C (en) 2014-07-29
EP2224753B1 (de) 2018-04-11
EP2224753A1 (de) 2010-09-01

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