EP4144928A1 - Salle audio 3d mobile et immersive - Google Patents

Salle audio 3d mobile et immersive Download PDF

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Publication number
EP4144928A1
EP4144928A1 EP22152765.8A EP22152765A EP4144928A1 EP 4144928 A1 EP4144928 A1 EP 4144928A1 EP 22152765 A EP22152765 A EP 22152765A EP 4144928 A1 EP4144928 A1 EP 4144928A1
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EP
European Patent Office
Prior art keywords
modules
wall
module
immersive
mobile
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.)
Withdrawn
Application number
EP22152765.8A
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German (de)
English (en)
Inventor
Friedrich Blutner
Andreas Wetzlinger
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.)
Synotec Psychoinformatik GmbH
Original Assignee
Synotec Psychoinformatik GmbH
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 Synotec Psychoinformatik GmbH filed Critical Synotec Psychoinformatik GmbH
Publication of EP4144928A1 publication Critical patent/EP4144928A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8218—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only soundproof enclosures

Definitions

  • Mobile, immersive 3D audio room as an additional installation in rooms as a room-in-room solution or outside of buildings through assembled wall-like modules.
  • a folding wall or folding door with a plurality of panels arranged next to one another and articulation devices arranged in the butt joints between adjacent panels, the articulation devices having a holding device and also a joint-covering strip made of thermoplastic material, and furthermore the panels have a coating in the form of a film laminated on possess thermoplastic material and a strip of the coating coating is also arranged on the surface of the joint-covering strip or the joint strips facing away from the holding devices or the holding flanges.
  • the joint devices consist of a cross-section essentially TT-shaped plastic profile section with two retaining flanges and a continuous joint strip connecting the retaining flanges as a joint-covering strip.
  • This folding wall or folding door has no technical devices such as sound generators. However, the articulation device offers good sound isolation without acoustic leaks.
  • an acoustic panel an acoustic partition and a soundproof cabin are described, in which the acoustic panel consists of a surrounding support frame made of hollow chamber profile sections. On the outside, fiber foam panels are applied to both sides, which form a cavity in which a sound-absorbing filling material is inserted.
  • the panel can be connected to a wall and/or ceiling of a building.
  • the acoustic panel can have an electrical and/or optical connection box.
  • At least one of the fiber foam panels can be designed as a loudspeaker membrane and/or as part of a sound transducer unit. At least two walls can be connected to one another via one or more acoustic panels arranged on the ceiling.
  • the DE 10 2012 219 221 A1 includes a solution for a soundproofing module, in particular as a soundproof cabin for telephoning.
  • a wall element is provided which, together with a ceiling element, encloses a partially open interior space, one or more wall elements being equipped as sound absorbers and preferably the wall elements being arranged essentially in a circle around the interior space when viewed from above.
  • EP 3 073 761 A1 (57) describes a loudspeaker arrangement with a housing and a first sound generator, the first sound generator being held in a fastening wall and this fastening wall delimiting an airtight space with a front wall of the housing on a sound-generating side of the first sound generator and at a distance from it, and at least part of the front wall forming a vibrating diaphragm of the loudspeaker and this part of the front wall being rigidly connected to the rest of the loudspeaker housing. It is used in sound furniture.
  • EP 2 243 136 B1 describes a multimedia playback system with 3D audio based on individual HRTFs measured in real time using headphone microphones. It is a three-dimensional audio signal processing apparatus using a head-related transfer function (HRTF), comprising: an audio decoder for decoding audio data to recover original audio signals; and a three-dimensional audio generator for generating three-dimensional signals corresponding to the audio signals retrieved using the HRTF modeled in accordance with physical characteristics of a user, referred to as "customized HRTF", the three-dimensional audio generator comprising; an HRTF delivery unit for receiving the customized HRTF, the customized HRTF being input by the user into the three-dimensional audio signal processing device; and a three-dimensional audio signal processing unit for generating three-dimensional audio signals corresponding to the recovered audio signals based on the individualized HRTF provided by the HRTF providing unit.
  • the customized HRTF is modeled in accordance with the size and shape of the user's head and the shape of the ears.
  • an apparatus comprising: means for performing panning on loudspeaker channels on the basis of coordinates of a first geometry of loudspeakers in order to generate virtual loudspeaker channels; and means for transforming, with a first transformation based on a spherical wave model, the virtual speaker channels to produce a hierarchical set of elements describing a sound field.
  • the speaker channels are associated with a first spatial geometry and the different speaker channels are associated with a second spatial geometry that differs from the first spatial geometry.
  • EP 2 896 221 B1 describes an apparatus and method for providing improved guided downmix capabilities for 3D audio.
  • the system according to the invention has the following features, an encoder for encoding three or more unprocessed audio channels in order to obtain three or more encoded audio channels, and for encoding additional information about the three or more unprocessed audio channels in order to obtain additional information, and a device for receiving the three or more encoded audio channels as three or more audio input channels, for receiving the side information and for generating two or more audio output channels from the three or more audio input channels depending on the side information.
  • the object of the invention is to create a spatial installation of preferably wall-like modules that enables an immersive 3D audio impression, set up quickly and easily by unfolding or predetermined juxtaposition to form a dimensionally stable, defined geometry and again by folding or removing of the individual modules can be removed.
  • the application should not be limited to use in the leisure sector. Future uses also arise in work rooms, trade fairs, hospitals, schools, universities, retirement and nursing homes and theatres.
  • the solution according to the invention enables ideal conditions to be met through a holistic approach and defined design of the building and room acoustics and to create oases of well-being through suitable electro-acoustic measures, and this also in a mobile variant, the z. B. is transportable by car.
  • the solution according to the invention creates mobile 3D audio rooms with reproducible geometry as novel acoustic rooms as sound or sound oases .
  • a 3D audio space according to the invention is to be understood as a closed or partially open space.
  • the 3D audio space according to the invention as an acoustic space (sound oasis) should be mobile, can be set up several times and therefore also be light, so that it can be easily transported when folded and set up again reproduced in a defined geometry.
  • the construction should be able to be accomplished by anyone without specific knowledge, which is why they are completely wired and thus also offer defined electrical conditions.
  • Design principles are proposed for the folding of smaller and larger wall elements or wall-like modules to form a defined acoustic space shielded by the wall-like modules, including these surface-stabilized wall-like modules and folding them into a block for storage and transport.
  • Transportable in a block by folding Use as an acoustic space made of surface-stabilized wall-like modules with reproducible acoustic, mechanical and electrical conditions through defined equipment with loudspeakers and cabling. Control/sound system via cable and/or W-LAN solution.
  • the individual wall-like modules have a height of 1.40 m to 3 m, preferably a height of 2.15 m or 2.20 m and a width of 0.55 m to 1.10 m, preferably 0.8 m.
  • loudspeakers are arranged in a lower level and an upper level.
  • the lower level is 40% to 45%, preferably 42%, of the height of the modules and the upper level is 82% to 87%, preferably 84%.
  • the loudspeakers are installed in the modules in such a way that they are flush with the wall surface of the modules and are not recognizable as such.
  • an Atmos 7.1.2 system consisting of 11 modules and three immaterial modules, which, after the finished construction, has a 14-corner base with a diameter of 2.20 m to 8.80 m, preferably 4.40 m forms.
  • the center is arranged in a module on the lower level.
  • a module is connected to the right and left, which contains the Front Presence right in the upper level in the right module and the Front Right in the lower level and the Front Presence left in the left module in the upper level and the Front Presence in the lower level containing the front links.
  • a module without loudspeakers is connected to the right and left. This is followed by a module on the right and left, surround right in the lower level on the right and surround left on the left, also in the lower level.
  • a completely neutral module follows on the right and left, i.e. without loudspeakers. This is followed by a module on the right with the surround back on the right in the lower level and a module on the left with the surround back on the left in the lower level.
  • This basic 14-corner consists of 11 modules and three immaterial modules. The immaterial modules can also be replaced by a door. Due to the side design of the modules, by beveling the sides of the modules, which is based on the desired N-corner shape, the desired geometry can be reproduced again and again when the modules are set up to form an N-corner if the side walls of the modules are in contact. With a 6-corner, the angle of the bevel is larger than with a 14-corner.
  • N 2 W calculate.
  • N is the number of modules. This angle W must be observed exactly on the right and left of the side surfaces of the modules when setting up the 3D audio room, so that the side surfaces of the modules lie flush against one another and thus do not form any acoustic leaks.
  • the 3D sound reproduction is guaranteed in the mobile rooms to be formed by the wall-like modules without repetitive measurements and a reproducible sound absorption and sound insulation is ensured.
  • the basis for this is that the components space, actuators and installation are measured, defined and brought together in a reproducible manner. New sound oases are created.
  • the cable solutions ensure defined electrical paths, such as position and depth in the wall panel as well as to each other, lengths, loops between the panels, in order to avoid negative effects on the sound according to the conduction theory for cables.
  • the basic goal and thus the results are repeatable (reproducible) 3D sound experiences.
  • the necessary wall thickness of the elements ranges between 40 mm and 120 mm, but is determined on the one hand by the speaker height and on the other hand by the material configuration of the wall elements and the respective acoustic properties.
  • Important basic goals of the invention are lightness (washable, virus-proof), easy recycling and achieving fire protection class B1 according to DIN 4102/EN 13501-1.
  • edge protection ensures the stability of the wall-like modules and is intended to automatically compensate for any unevenness of up to 5 mm in a soundproof manner.
  • the wall-like modules have an elastic layer and/or resilient elements in a tongue and groove system on the lower end faces. Expediently, using a purpose-fulfilling carpet laid on the floor, the modules can stand stably and firmly on the floor and thus acoustic leaks can be avoided.
  • the wall-like modules can also be additionally supported by an external and/or internal statically load-bearing structure.
  • the wall-like modules are advantageously inclined on the upper end faces towards the interior of the 3D audio space or have corresponding attachments which are inclined towards the interior of the 3D audio space and/or the 3D audio space is connected to the top by an attached or suspended textile or solid ceiling limited. This reduces the sound radiated upwards.
  • the electrical power supply and data transmission required is preferably realized by means of cable loops and/or cable ties from module to module in a flat-type design.
  • it can also be implemented for the transmission of the power supply and data transmission from module to module by means of plug connections integrated into the modules and/or by means of contacts integrated into the modules and attracted by magnetic force.
  • the wall-like modules can be used to implement a recording/playback conference system (live streaming) be integrated acoustic actuator-sensor units for recording and playback. Thanks to the stable geometry of this N-corner solution, anti-noise (active noise cancellation) can be generated and used by actuator-sensor units, especially outdoors. This can be used in particular to dampen the depths of the ANC.
  • a recording/playback conference system live streaming
  • anti-noise active noise cancellation
  • the wall-like modules In order to create an immersive 3D audio room using the wall-like modules according to the invention, it is advisable that dynamically controlled light generators, monitors, beamers, ventilation systems, heating systems, cooling systems are arranged or integrated on the wall-like modules or in the 3D audio room.
  • the surface of the wall-like modules has a colored design, is structured, designed to emit heat and/or cold in terms of haptics.
  • the wall elements are held together by means of hinges or door hinges with hinge lower part and hinge upper part.
  • the individual modules can be connected or separated by hanging or unhooking.
  • the hinges When arranged on the inside of the wall-like modules, the hinges will also take on the edge protection function and are designed in such a way that, with N-corner installation, soundproofing is achieved at the inner joints of the wall-like modules through the plane-parallel adjacent surfaces between two modules.
  • the folding into a block requires that hinges are positioned alternately (inside, outside) lengthways on the wall-like modules.
  • the folding walls are held in the corresponding N-corner shape with a magnet mechanism on the inner elements of the wall-like modules.
  • the magnet mechanism should also keep the wall-like modules in the folded state in the block at the same time.
  • the wall-like modules can advantageously be arranged inside or outside of buildings along an existing wall and/or fastened to it.
  • the folding wall system can be set up as a combination for 3D audio recording and 3D audio playback.
  • a specially shaped absorber wall made of two wall-like modules is connected back to back to form a panel unit.
  • One module is equipped with boundary layer microphones and the other module is equipped with speaker units.
  • the microphones and speakers always act towards the outside of the disk unit.
  • These panel units are advantageously connected to one another by means of door hinges.
  • the immersive 3D audio room 1 consists of several planar and plate-shaped, wall-like modules 2. It is also conceivable that the 3D audio room 1 consists of a single curved module 10, as in figure 4 shown, exists. However, this embodiment will not be considered further in the further course, since this can hardly be carried out in a transportable manner.
  • the wall-like modules 2 can be rigid or elastic and, in one variant, curved at least about a vertical axis. These individual wall-like modules 2 can be concave, convex or at an angle to one another and can be connected or connectable to one another.
  • a 3D audio space 1 is therefore to be understood as an open or closed space with a precisely defined geometry, the walls of which consist of modules 2, with or without a ceiling 17.
  • not all wall-like modules 2 have integrated, excitable electromechanical components 3, the bodies - and emit airborne noise. There are also neutral modules 2 without electromechanical components 3.
  • the individual wall-like modules 2 have sound-absorbing and/or sound-insulating properties.
  • the wall-like modules 2 are positively or non-positively connected to a stable, free-standing or with additional, existing wall surfaces 4. These modules 2 can form a closed space 1 or a space 1 open on one side or N-corner 1 or are put together accordingly.
  • the individual wall-like modules 2 all have the same width and are at an N-corner 1 angled at the same angle on the side faces.
  • a width of 0.8 m, a height of 2.15 m or 2.20 m and a thickness of 40 mm for a single-layer design for the modules 2 has proven advantageous.
  • the wall-like modules 2 can be folded together and connected to one another by means of hinges 5 or by means of textile straps 6 .
  • hinges 5 When using door hinges 5 with an upper hinge part and a lower hinge part with a pivot pin, the modules 2 or the panel units 25 can be hung in or out in a similar way to doors.
  • the upper part of the hinge and the lower part of the hinge are advantageously screwed into an anchoring element 26 with their threaded pin parallel to the wall surface in a plate unit 25 between the two modules 2 as a double module 25, shown in FIG figure 37 .
  • the modules 2 are held together only by means of magnets 7 or the modules 2 can be connected to one another by forming a groove 8 and tongue 9 .
  • an identifier is necessary to guarantee the correct order of the modules.
  • a tongue and groove connection can also be designed in such a way that the tongue 9 as the coupling element 9 consists of an elastic material.
  • the module 2 used here is advantageously a multi-layer module 2.2, in figure 34 a three-layer module 2.2. If an elastic coupling element 9 is used, the material can be bent as desired and variable geometries can thus be produced. Due to the advantageous dimensions given above for the width and height and the collapsible solution using the hinges 5, door hinges 5 or textile straps 6 and due to the low weight, these modules 2 can be easily transported as a block, even in a car.
  • connection between the individual modules 2 is carried out so securely that there are no acoustic leaks.
  • This also applies to the bottom area or to the lower end faces of the modules 2.
  • an elastic layer 11 and/or resilient elements 12 in a tongue and groove system can be used on these end faces.
  • the elastic layer 11 also compensates for small bumps in the floor 13 .
  • the same effects are also achieved with carpeting 14 .
  • the modules 2 are advantageously beveled on the right and left of the side surfaces. Due to the chamfering of the sides of the modules 2, which is based on the desired N-corner shape, the desired geometry can be reproduced again and again when the modules are set up to form an N-corner 1 if the side walls of the modules rest against one another. At the same time, acoustic leaks are avoided because the adjacent surfaces are plane-parallel and soundproof.
  • the angle of the bevel is larger than with a 14-corner.
  • the angle of the bevel is the angle between the bevel and the right angle between the wall face and the side face.
  • the upper end faces 15 can be inclined towards the interior of the 3D audio space 1 or towards the Modules 2 can be attached corresponding attachments 16. It is also conceivable that the 3D audio space 1 is delimited at the top by an attached or suspended, textile or solid ceiling 17 .
  • the wall-like modules 2 can be additionally supported by an external and/or internal statically load-bearing structure 18 and thus increase the stability of the modules 2 assembled into a 3D space 1 .
  • This can be done in the bottom area of the modules 2, but can also be done in addition by appropriate load-bearing structures 18 in the upper front area of the modules 2, with two opposite modules 2 advantageously being connected to one another.
  • the wall-like modules 2 are advantageously made of lightweight materials such as foamed materials such.
  • B. Styrofoam which may have an inner skeleton to increase stability, or they consist of structural materials such as corrugated cardboard with honeycomb structures. These materials have a low density and are therefore particularly suitable for use in transportable solutions.
  • Multi-layer modules 2.2 can also be realized with these materials. Associated with this is also the possibility that the surfaces of the modules 2 have colored designs, are structured, heat-emitting and/or cold-emitting in terms of haptics.
  • a very small thickness of the modules 2 is possible through the use of the aforementioned materials.
  • loudspeakers 3 When larger loudspeakers 3 are used in the wall-like modules 2, they can protrude on the backs of the modules 2, since the loudspeakers 3 on the fronts end within the front of the modules 2.
  • recesses are therefore arranged in the opposite module wall on the wall surface rears of the adjacent other modules 2 at the points of protruding loudspeaker rears.
  • modules 2 consist of a wooden frame 23, similar to a picture frame. These frames 23 are covered with textile fabric on the front and back. To accommodate the speaker 3 and other electro-mechanical and electronic components 3 z. B. wooden slats arranged as an auxiliary frame 24. The front of the speakers 3 is directly behind the textile covering of the modules 2 and is therefore not visible.
  • modules 2 can be arranged along a wall 4 or to be attached to such a wall 4 .
  • several open N corners 1 can also be joined side by side to form a system complex.
  • the modules 2 can, for example, form a base 14-corner with eleven modules 2 and three immaterial modules 2.1 with a Dolby Atmos playback in format 7.1.2, as in figure 23 and 24 shown, are compiled, the format 7.1.2 means that seven speakers 3 in the lower speaker level 3.1 and a woofer and two speakers 3 in the upper speaker level 3.2 on the modules 2 are distributed.
  • the individual wall-like modules 2 preferably have a height of 2.15 m or 2.20 m and a width of 0.8 m.
  • speakers 3 are arranged in a lower speaker level 3.1 and an upper speaker level 3.2, as in FIG figure 26 shown.
  • the lower loudspeaker level 3.1 is 40% to 45%, preferably 42%, of the height of the modules 2 and the upper loudspeaker level 3.2 is 82% to 87%, preferably 84%, of the height of the modules 2.
  • the following is an example an Atmos 7.1.2 system consisting of eleven modules 2 and three immaterial modules 2.1 is described, which forms a 14-corner base with a diameter of approx. 4.40 m after the finished structure.
  • the center C is arranged in the lower loudspeaker level 3.1.
  • a module 2 connects to the right and left, which in the right module 2 in the upper loudspeaker level 3.2 is the front presence right FPR and in the lower loudspeaker level 3.1 contains the front right FR and in the left module 2 in the upper loudspeaker level 3.2 the front presence links FPL and in the lower loudspeaker level 3.1 contains the front left FL.
  • a module 2 without loudspeaker 3 connects to the right and left respectively. This is followed by a module 2 on the right and left, on the right in the lower loudspeaker level 3.1 surround right SR and on the left, also in the lower loudspeaker level 3.1, the surround left SL. Now a completely neutral module 2 follows on the right and left, i.e. without loudspeaker 3.
  • This basis 14-corner consists of eleven modules 2 and three immaterial modules 2.1.
  • module 2 For the supply of the electromechanical and electronic components 3 integrated in the modules 2 with the required electric power and the necessary data transmission takes place from module 2 to module 2 preferably by means of cable loops 19 or cable ties 19, preferably in a flat ribbon design and/or by means of integrated in the modules 2 Plug connections 20 and/or by means of contacts 21 integrated into the modules 2 and attracted by magnetic force.
  • the folding wall system with the modules 2 can be set up as a combination for 3D audio recording and 3D audio playback (monitoring device). They show the principle Figure 35 and 36 .
  • a specially shaped absorber wall consisting of several panel units 25 is shown here during the folding of the last two panel units 25, one panel unit 25 consisting of two modules 2 back to back.
  • the plate units 25 are equipped with boundary layer microphones on one side and with loudspeaker units on the other side, which end flush with the absorber walls.
  • the width of the disk unit 25 is here advantageous at 80 cm and the thickness at 80 mm.
  • the disk units 25 as in Figure 35 and 36 shown, can accommodate both high-quality loudspeakers 3 (60-65 mm height) and boundary layer microphones.
  • the Figures 35 and 36 illustrate the possibility of converting configuration "A” directly into configuration "B” according to the "folding wall principle". The phases of the absorber walls thus guarantee a reproducible alignment, for example as a 9-corner.
  • the 9-corner version enables Dolby Atmos playback and recording in the formats 9.1.2, 9.1.4, 9.1.6 and 9.1.8 as well as all underlying formats with a 7, 5 or 3 base.
  • actuator-sensor units for recording and playback are integrated into the wall-like modules.
  • actuator-sensor units for active noise cancellation can be used and integrated in a favorable manner, in particular for the damping of the depths ANC.
  • the outer layer can have several microphones/sensors on the inside and the inner layer radiates anti-noise towards the outer layer with several loudspeakers 3/actuators.
  • microphone-actuator arrays By configuring microphone-actuator arrays, a multi-layer ANC array could then be constructed with multi-layer structures, which completely suppresses background noise, especially in the low frequencies.
  • Light generators, monitors, beamers, ventilation systems, heating systems, cooling systems can be arranged on the wall-like modules 2 or in the 3D audio room 1 .

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
EP22152765.8A 2021-09-01 2022-01-21 Salle audio 3d mobile et immersive Withdrawn EP4144928A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021122597.3A DE102021122597A1 (de) 2021-09-01 2021-09-01 Mobiler, immersiver 3D-Audioraum

Publications (1)

Publication Number Publication Date
EP4144928A1 true EP4144928A1 (fr) 2023-03-08

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EP22152765.8A Withdrawn EP4144928A1 (fr) 2021-09-01 2022-01-21 Salle audio 3d mobile et immersive

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EP (1) EP4144928A1 (fr)
DE (1) DE102021122597A1 (fr)

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EP3073761A1 (fr) 2015-03-27 2016-09-28 Matthias Hommel Haut-parleur
EP2896221B1 (fr) 2012-09-12 2016-11-02 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé destinés à fournir des capacités de mélange avec abaissement guidées améliorées pour de l'audio 3d
EP2243136B1 (fr) 2007-12-18 2017-11-15 Electronics and Telecommunications Research Institute 3D Audio Mediaplayer basé sur la mesure en temps réel de fonctions de transfert de tête (HRTF) individuelles via les micros du casque d' écoute.
EP2873254B1 (fr) 2012-07-16 2017-11-29 Qualcomm Incorporated Compensation de position de haut-parleur à codage audio 3d hiérarchique
DE102017131473A1 (de) * 2017-09-19 2019-03-21 SWAP (Sachsen) GmbH Verbundwerkstoffe Aktives Verbundplattensystem und Verfahren zur Erzielung aktiver Verbundplattensysteme unter Nutzung elektroakustischer Wandler
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US5562469A (en) * 1990-01-18 1996-10-08 Herman Miller Inc. Electrified wall panel system
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