EP3046341A1 - Adaptives system gemäss der benutzerpräsenz - Google Patents

Adaptives system gemäss der benutzerpräsenz Download PDF

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Publication number
EP3046341A1
EP3046341A1 EP16020006.9A EP16020006A EP3046341A1 EP 3046341 A1 EP3046341 A1 EP 3046341A1 EP 16020006 A EP16020006 A EP 16020006A EP 3046341 A1 EP3046341 A1 EP 3046341A1
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EP
European Patent Office
Prior art keywords
sound
audio
zone
user
val
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
EP16020006.9A
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English (en)
French (fr)
Other versions
EP3046341B1 (de
Inventor
Søren Borup Jensen
Søren BECH
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.)
Bang and Olufsen AS
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Bang and Olufsen AS
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Publication of EP3046341A1 publication Critical patent/EP3046341A1/de
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/005—Audio distribution systems for home, i.e. multi-room use
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection

Definitions

  • the present invention relates to a method and system for dynamic configuring and reconfiguring a multimedia reproduction system comprising two or more sound channels.
  • the premises of the reconfiguring based on the position of one or more listeners and the one or more sound channels in the reproduction system.
  • the configuring includes portable devices for audio/video sources and audio/video rendering equipment.
  • the feature obtained is a sound distribution into individual sound zones, with optimized sound quality as perceived by a user/listener.
  • the system includes a feature for adaption according to perceptive aspects per user and his/her position in the domain, this known as "object based rendering per user".
  • object based rendering per user This is an advanced configuration tasks for rendering of object-based audio material in domestic environments, where both the reproduction system and the listener position are dynamic.
  • the position of the rendering devices and the user(s) in a domain might be determined via precision GPS means.
  • the invention includes digital signal processing, sound transducers, filters and amplifier configurations is to be applied in multichannel sound systems, surround sound systems and traditional stereophonic system.
  • the system applied in any domain like a home, in a vehicle, in a boat, in an airplane, in an office or in any other private or public domain.
  • the individual sound channels incorporating one or more loudspeaker modules must be calibrated and adjusted individually and according to the number of persons in the car, and their position in the space e.g. their seated positions.
  • the current invention discloses a supplemental method by applying context information related to an actual media file, said context information being audio metadata and applying psycho acoustical information related to the users perceptual experience.
  • This principle may be applied in any type of room like airplanes, boats, theatres, arenas, and shopping centres and alike.
  • a first aspect of the invention is:
  • the invention discloses a multichannel sound system where different sound settings enabled via digital signal processing means controlling the individual sound channels parameters e.g. the equalization (filters), the delay, the gain (amplification).
  • the premise for the control based upon the listener position in the listening room/space.
  • control and sound setting may work in a contextual mode of operation to accommodate:
  • the invention includes:
  • the fundamental goal of the invention is to enhance the perceived sound quality seen from a listener prospective. This obtained by adjusting the gain, the delay and the equalization parameters of the individual sound channels in a multichannel sound system. This feature is regardless of the physical location of the loudspeakers transducers.
  • the invention discloses a system concept having the functional features as "Multimedia - Multi room/domain - Multi user" System Concept.
  • the video rendering is via a screen (not a TV ) and based on digital input from the internet.
  • the audio rendering is typically via active loudspeaker and wirelessly via digital networks.
  • the wireless distribution is within domains, in a zone-based concept that might include two individual sound zones in the same room.
  • a use case example is a tablet applied to browse, preview, select, and providing content:
  • the system includes a feature for adaption according to perceptive aspects per user and his/her position in the domain, this known as "object based rendering per user".
  • object based rendering per user This is an advanced configuration tasks for rendering of object-based audio material in domestic environments, where both the reproduction system and the listener position are dynamic.
  • the position of the rendering devices and the user(s) in a domain might be determined via precision GPS means.
  • the reconfiguring process validates the position of the one or more users, and the validation priorities the position of the one or more listeners:
  • the reconfiguring process includes one or more algorithms to provide the calculation of each of the values of the sound channel adjustment-variables.
  • the reconfiguring process provides a table with relations enabled for access by the digital signal processor to provide each of the values of the sound channel adjustment-variables.
  • the saved attributes and key parameters are loaded into the reconfiguring means supported by electronically means connected wirelessly or is connected wired to the audio reproduction system.
  • the reconfiguring process provides the settings of the sound parameters; gain, equalization and delay for one sound channel applied in one sound field zone related to the physical position of first group of people including one or more listeners.
  • the reconfiguring process provides the settings of the sound parameters; gain, equalization and delay for one sound channel, to be applied in one sound field zone related to the physical position of one or more other groups of people including one or more listeners.
  • a listener position is detected via standard sensor means like switches or infrared detectors or strain gauges or temperature sensitive detectors, or indoor GPS.
  • the configuring process executes automatically controlled by the audio amplifier means, including a digital signal processor, which drives the loudspeaker system.
  • the reconfiguring means are embedded into the controller of an audio reproduction system and/or distributed in one or all of the rendering devices, e.g. sound transducers, displays, and TV's.
  • the reconfiguring is controlled via a table mapping the mode of operation to adjustment parameters for each speaker in every channel or just relevant channels.
  • the adjustment parameters are e.g. but not limited to: equalization, delay and gain.
  • the table may be represented as one or more data set as most appropriate to the digital controller unit.
  • one data set may contain the relations among:
  • Another data set may contain the functional/mode related information like:
  • This table concept is a data driven control systems, and enables for easy updates of the functional behaviour of a specific system simply by loading alternative data set into the controller.
  • the invention includes a constraint solver, which comprises a table with digital data representing at least the constraints of the listener positions and equipment positions and related acoustical adjustment, attributes and corresponding variable values.
  • the constraint solver processing enables an arbitrary access mode to information with no order of sequences required.
  • the configuration domain table is organized as relations among variables in the general mathematical notation of 'Disjunctive Form':
  • AttribVariable 1.1 may be defining a listener position, AttribVariable 1.1 a speaker transducer unit, AttribVariable 1.3 a speaker system/subsystem and AttribVariable 1.n gain value for the transducer unit.
  • AttribVariable 2.n may be a reference to another table.
  • the product configuration function proceeds by finding the result of the interrogation in the set of allowed and possible combinations in one or more Configuration Constraint Tables. According to definitions made in the configuration constraint tables, the result might be:
  • the constraint solver evaluates alternative configurations.
  • the alternatives being one or more of the defined set of legal combination in the constraint table.
  • Table entries in a constraint table may combine into legal/illegal combination such that all the logical operators known from the Boolean algebra will be included as required.
  • the reconfiguring means is embedded into an audio reproduction system.
  • the system becomes the controller of the reconfiguring process that provides a reconfiguration of the system itself.
  • the invention is used to automatically adjusting an audio sound system to a maximum level of quality taking into account the position of individual listeners in dedicated zone of sound fields.
  • the invention includes sound channel configurations applied in surround sound systems and traditional stereophonic system, and to be applied in any domain like a home, in a vehicle, in an airplane in a boat, in an office or in any other public domain and alike.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
EP16020006.9A 2015-01-14 2016-01-06 Adaptives verfahren gemäss der benutzerpräsenz Active EP3046341B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201500024A DK178752B1 (en) 2015-01-14 2015-01-14 Adaptive System According to User Presence

Publications (2)

Publication Number Publication Date
EP3046341A1 true EP3046341A1 (de) 2016-07-20
EP3046341B1 EP3046341B1 (de) 2019-03-06

Family

ID=55070831

Family Applications (1)

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EP16020006.9A Active EP3046341B1 (de) 2015-01-14 2016-01-06 Adaptives verfahren gemäss der benutzerpräsenz

Country Status (2)

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EP (1) EP3046341B1 (de)
DK (1) DK178752B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9980076B1 (en) 2017-02-21 2018-05-22 At&T Intellectual Property I, L.P. Audio adjustment and profile system
WO2018167363A1 (en) * 2017-03-17 2018-09-20 Nokia Technologies Oy Preferential rendering of multi-user free-viewpoint audio for improved coverage of interest
US10735885B1 (en) 2019-10-11 2020-08-04 Bose Corporation Managing image audio sources in a virtual acoustic environment
WO2022120091A3 (en) * 2020-12-03 2022-08-25 Dolby Laboratories Licensing Corporation Progressive calculation and application of rendering configurations for dynamic applications
GB2616073A (en) * 2022-02-28 2023-08-30 Audioscenic Ltd Loudspeaker control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2161950A2 (de) * 2008-09-08 2010-03-10 Bang & Olufsen A/S Konfigurierung eines Schallfeldes
US20130294618A1 (en) * 2012-05-06 2013-11-07 Mikhail LYUBACHEV Sound reproducing intellectual system and method of control thereof
US20140079225A1 (en) * 2012-09-17 2014-03-20 Navteq, B.V. Method and apparatus for associating audio objects with content and geo-location
WO2014122550A1 (en) * 2013-02-05 2014-08-14 Koninklijke Philips N.V. An audio apparatus and method therefor

Family Cites Families (4)

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US8128342B2 (en) * 2008-10-09 2012-03-06 Manufacturing Resources International, Inc. Multidirectional multisound information system
US9277322B2 (en) * 2012-03-02 2016-03-01 Bang & Olufsen A/S System for optimizing the perceived sound quality in virtual sound zones
US9532153B2 (en) * 2012-08-29 2016-12-27 Bang & Olufsen A/S Method and a system of providing information to a user
EP2806664B1 (de) * 2013-05-24 2020-02-26 Harman Becker Automotive Systems GmbH Tonsystem zur Herstellung einer Tonzone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2161950A2 (de) * 2008-09-08 2010-03-10 Bang & Olufsen A/S Konfigurierung eines Schallfeldes
US20130294618A1 (en) * 2012-05-06 2013-11-07 Mikhail LYUBACHEV Sound reproducing intellectual system and method of control thereof
US20140079225A1 (en) * 2012-09-17 2014-03-20 Navteq, B.V. Method and apparatus for associating audio objects with content and geo-location
WO2014122550A1 (en) * 2013-02-05 2014-08-14 Koninklijke Philips N.V. An audio apparatus and method therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FÜG SIMONE ET AL: "Design, Coding and Processing of Metadata for Object-Based Interactive Audio", AES CONVENTION 137; OCTOBER 2014, AES, 60 EAST 42ND STREET, ROOM 2520 NEW YORK 10165-2520, USA, 8 October 2014 (2014-10-08), XP040639006 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9980076B1 (en) 2017-02-21 2018-05-22 At&T Intellectual Property I, L.P. Audio adjustment and profile system
US10313821B2 (en) 2017-02-21 2019-06-04 At&T Intellectual Property I, L.P. Audio adjustment and profile system
WO2018167363A1 (en) * 2017-03-17 2018-09-20 Nokia Technologies Oy Preferential rendering of multi-user free-viewpoint audio for improved coverage of interest
US10516961B2 (en) 2017-03-17 2019-12-24 Nokia Technologies Oy Preferential rendering of multi-user free-viewpoint audio for improved coverage of interest
US10735885B1 (en) 2019-10-11 2020-08-04 Bose Corporation Managing image audio sources in a virtual acoustic environment
WO2022120091A3 (en) * 2020-12-03 2022-08-25 Dolby Laboratories Licensing Corporation Progressive calculation and application of rendering configurations for dynamic applications
GB2616073A (en) * 2022-02-28 2023-08-30 Audioscenic Ltd Loudspeaker control

Also Published As

Publication number Publication date
DK201500024A1 (en) 2016-08-01
EP3046341B1 (de) 2019-03-06
DK178752B1 (en) 2017-01-02

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