KR101410976B1 - Apparatus and method for positioning of speaker - Google Patents

Apparatus and method for positioning of speaker Download PDF

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Publication number
KR101410976B1
KR101410976B1 KR1020130063066A KR20130063066A KR101410976B1 KR 101410976 B1 KR101410976 B1 KR 101410976B1 KR 1020130063066 A KR1020130063066 A KR 1020130063066A KR 20130063066 A KR20130063066 A KR 20130063066A KR 101410976 B1 KR101410976 B1 KR 101410976B1
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South Korea
Prior art keywords
speaker
position
sound
scene
method
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KR1020130063066A
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Korean (ko)
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박승민
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한국산업은행
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/4012D or 3D arrays of transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field

Abstract

Disclosed is a method and apparatus for designating a position of a speaker for outputting a dialogue or a sound of an object such as a speaking person or a sounding object on the screen in accordance with the purpose of dialogue transfer or presence communication. The apparatus for specifying a speaker according to an embodiment of the present invention may include a scene section selection section for selecting a section including a partial scene of a whole scene of a video image, And a position setting unit for designating a position of at least one speaker to output sound among a plurality of speakers according to the set transmission mode.

Description

Field of the Invention [0001] The present invention relates to a speaker positioning method and apparatus,

[0001] The present invention relates to a method and apparatus for designating a speaker position according to the purpose of metabolism or presence sensing, and more particularly, to a speaker position designation method and apparatus using the position of a speaker for outputting a metabolism or sound of an object such as a speaking person or a sounding object And to a method and apparatus for designating it according to a purpose of delivery.

In recent years, with the improvement in living standards, home theater systems are often used to enjoy movies and music. To implement a home theater system, you need a front left and right speakers, a subwoofer, a surround back speaker, a surround left and right speaker, and a center speaker to create a surround sound with a large monitor. Among the speakers, the center speaker is positioned between the front left and right speakers to prominently move the sound and to provide a complete sound image. It is used mainly for the dialogue. It is located at the same position as the front left and right speakers, (Generally placed above or below the TV). This center speaker is the core speaker of the surround sound system.

On the other hand, in accordance with the spread of devices such as DVD and HDTV and trend of digital broadcasting, display devices are being developed from CRTs through LCDs and PDPs to OLEDs, and the size of display devices is becoming larger and larger. If the surround environment is to be installed in a living room or a room of the house according to this tendency, the arrangement of the speakers may become a problem. Especially, the center speaker is very important for surround listening because it is the only channel that contains the metabolism that makes up most of the actual movie, not the effect component.

In addition, as the number of people who want to enjoy movies with higher quality video and sound increases, the importance of more dynamic and more realistic sound is increasing day by day. Accordingly, an increasing number of people are spending money on purchasing projection, large-screen display devices, and multi-channel speaker devices.

In order to provide more lively and realistic sound, Korean Patent Laid-Open No. 2009-0100566, entitled " Display device with object-oriented stereoscopic coordinate display "has been introduced.

Korean Patent Laid-Open Publication No. 2009-0100566 discloses a speaker system in which a plurality of small speakers are arranged behind a display monitor.

However, Korean Patent Laid-Open Publication No. 2009-0100566 discloses a method in which the position of a speaker outputting a dialogue or a sound of an object such as a speaking person or a sounding object on the screen matches the position of an object on the screen , A concrete method of designating the position of the speaker for outputting the metabolism or sound of an object such as a person speaking on the screen or an object such as a sound is specified according to the purpose of transmission or transmission I do not.

For example, in a typical speaker, the information provided on the linked theater screen is made to match the position of the speaker for outputting the metabolism or the sound of the object to the object of the screen. For example, , Waves of the sea, scenes of conversation between people, and so on.

Korean Utility Model No. 2000-0013598, entitled " Audio Volume Automatic Adjustment Device According to Stereo / Mono Mode ", identifies a mono / stereo broadcast mode of an audio signal and determines a mono / The present invention discloses a method of automatically adjusting the volume each time the mono / stereo mode is changed by automatically matching the size difference, and outputs a dialogue or sound of an object such as a speaking person or a sounding object on the screen And does not describe a technique for designating the position of a speaker to be different according to the purpose.

Therefore, a technology for designating the position of the speaker according to the purpose of transmitting on the screen is urgently required.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method and apparatus for specifying the position of a speaker for outputting a metabolism or a sound of an object such as a speaking person or a sounding object on the screen in accordance with the purpose of transmission or transmission.

According to an aspect of the present invention, there is provided an apparatus for specifying a speaker location according to an ambiguity or a sense of realism, comprising: a scene segment selection unit for selecting a segment including a scene among a whole scene of a video image; A delivery mode setting unit for setting a delivery mode according to whether a scene included in the selected segment is for the purpose of metabolic transfer or presence transfer; And when the delivery mode is a metabolic delivery mode for the purpose of metabolic transfer, a position of a speaker belonging to a specific layer among a plurality of speakers is designated, and when the delivery mode is a real- And a position setting unit that specifies the position of the speaker based on the position of the object in the scene that includes the scene.

At this time, when the position setting unit is in the meta-propagation mode, the specific layer corresponds to a middle layer, and the position of at least one speaker located in the middle layer is designated, and at least one designated speaker outputs sound And the like.

At this time, the sound output from the at least one speaker located in the middle layer is a sound corresponding to the metabolism.

In this case, the position setting unit controls the speaker corresponding to the position of the in-scene object included in the selected section to output a sound in the presence transmission mode.

At this time, the sound output by the speaker corresponding to the position of the in-scene object included in the selected section may be at least one of a dialogue, a music, an ambience, a poly (Foley), and an effect sound And is characterized in that it corresponds to any one of them.

According to another aspect of the present invention, there is provided a method for specifying a speaker location according to an ambiguity or presence information delivery method, the method comprising: selecting a section including a part of a whole scene of a video image; Setting a delivery mode according to whether the scene included in the selected segment is for the purpose of metabolic transfer or presence transfer; Designating a position of a speaker belonging to a specific layer among a plurality of speakers when the delivery mode is the metabolic delivery mode; And designating the position of the speaker based on the position of the in-scene object included in the selected section when the delivery mode is the live-feeling delivery mode.

In this case, the step of designating the position of a speaker belonging to a specific layer among the plurality of speakers may be a middle layer in the case of the meta-propagation mode, and the at least one And a position of the speaker is designated, and at least one of the specified speakers outputs sound.

At this time, the sound output from the at least one speaker located in the middle layer is a sound corresponding to the metabolism.

In this case, the step of designating the position of the speaker based on the position of the object controls the speaker corresponding to the position of the object in the scene included in the selected section to output a sound in the presence sensing mode do.

In this case, the sound output from the speaker corresponding to the position of the in-scene object included in the selected section is a sound corresponding to at least one of metabolism, music, ambience, poly, and effect sound.

The plurality of loudspeakers may be arranged in a two-dimensional array on the rear surface of the screen on which the scene of the video image is displayed.

According to the present invention, there is provided a method and apparatus for designating a speaker position according to the purpose of metabolism or presence transmission, including a method of locating a speaker for outputting a metabolism or sound of an object such as a speaker or a sounding object on the screen, By designating according to the purpose, it is possible to provide the user with more realistic contents to express on the screen.

1 is a block diagram schematically showing a speaker position designation device according to an embodiment of the present invention for the purpose of metabolism or presence transmission.
2 is a view illustrating a display screen and a two-dimensional array speaker disposed behind the display screen according to an embodiment of the present invention.
FIG. 3 and FIG. 4 are views showing positions of speakers to output sound in the meta-propagation mode according to the embodiment of the present invention.
5 and 6 are views showing positions of speakers to output sounds in the real-time transmission mode according to the embodiment of the present invention.
7 is a flow chart illustrating a method for locating speakers according to an ambassadorial or real-life communication purpose according to an embodiment of the present invention.
FIG. 8 is a reference view showing a tool for designating a position of a speaker to which a method of specifying a position of a speaker according to an ambassador or a sense of reality transmission according to an embodiment of the present invention is applied.

The present invention will now be described in detail with reference to the accompanying drawings. Hereinafter, a repeated description, a known function that may obscure the gist of the present invention, and a detailed description of the configuration will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a speaker positioning method and apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing a speaker position designation device according to an embodiment of the present invention for the purpose of metabolism or presence transmission.

First, a plurality of loudspeakers applied to the speaker position designating device according to the present invention for the ambassadors or the presence of a sense of realism operate in conjunction with a display screen having holes formed therein for displaying images and allowing sound to pass therethrough. Here, the display screen corresponds to, for example, a screen such as an LCD, an OLED, a projection, and a screen.

A plurality of loudspeakers are arranged in matrix form on the X, Y axes, in total, after the display screen.

Referring to FIG. 1, a speaker position designation device according to the purpose of metabolism or presence transmission includes a scene segment selection unit 100, a transmission mode setting unit 200, and a position setting unit 300.

The scene segment selection unit 100 selects a segment including a specific scene of an image to be displayed on a display screen. Here, the subject for selecting the section may be a speaker positioning device or a person, but is not limited thereto.

The transmission mode setting unit 200 sets the transmission mode according to whether the scene of the section selected by the scene selection unit 100 is for the purpose of metabolic transfer or for the purpose of delivering the presence information. Here, the transmission mode includes a metabolic transmission mode for the purpose of metabolism transmission and a presence transmission mode for the purpose of transmitting the presence information.

In general, the transmission purpose of a scene of a section may include dialogue, music, ambience, poly (Foley), and effect sound.

The dialogue corresponds to the dialogue and narration of the actors appearing in the scene of the section.

Ambience corresponds to BGN (Back Ground Noise) or background noise, for example, airplane announcements at airports, airplane take-offs, landing sounds, It means the background sound.

A poly is a sound that expresses movement or expressions of a picture in a more natural and realistic manner, for example, a footstep of an actor, a sound of a collar, a sound of a beverage bottle, and the like.

The effect sound is partially similar to the poly but does not make the actual sound like a poly but rather a sound that is added and taken as a source. For example, an effect sound corresponds to a gunshot, a bombing sound, a bow sound, or a laser sound.

According to the embodiment of the present invention, when the user intends to transmit a voice corresponding to a dialogue, the user may transmit the voice corresponding to the dialogue, Special effect (SFX), and sound corresponding to a sound generated by a person's movement such as a footstep, a clothes sound, and the like.

The position setting unit 300 sets the position of a speaker to output a sound in accordance with the transmission mode set by the transmission mode setting unit 200.

The speaker according to the embodiment of the present invention is arranged as shown in FIG.

Referring to FIG. 2, a two-dimensional array speaker is disposed behind the display screen 10. The two-dimensional array speaker outputs a sound corresponding to an image displayed on the display screen and includes a plurality of speakers 1, 2, and 3 arranged in the horizontal and vertical directions. Each of the plurality of speakers 1, 2, and 3 includes an X coordinate corresponding to the position of the horizontal axis and a Y coordinate corresponding to the position of the vertical axis. Here, for the speaker array arranged in the X axis and the Y axis, the upper speaker array is referred to as a top layer, the lower speaker array is referred to as a bottom layer, and the speaker array between a top layer and a bottom layer is referred to as a middle layer. For example, in the speaker as shown in FIGS. 2 and 3, the upper five speaker arrays are referred to as a top layer, the lower five speaker arrays are referred to as bottom layers, and the five speaker arrays between the top layer and the bottom layer are referred to as middle layers.

Specifically, the location setting unit 300 may include a meta-propagation-based speaker position setting unit 310 and a field-of-presence-and-delivery-based speaker position setting unit 310 to set a position at which a speaker should output sound in accordance with the meta- 320).

In the case where the delivery mode is the metabolic delivery mode, the speaker-based speaker positioning unit 310 designates the positions of the speakers belonging to the middle layer (or the middle layer) among the plurality of speakers as shown in FIG. 3, Set the speaker to output sound. As shown in FIG. 4, the screen according to the embodiment of the present invention can be divided into a top layer, a middle layer, and a bottom layer, but the present invention is not limited thereto. Specifically, for the speaker array arranged in the in-screen X axis and the Y axis, the upper speaker array is referred to as a top layer, the lower speaker array is referred to as a bottom layer, and the speaker array between the top layer and the bottom layer is referred to as a middle layer. The number of speakers belonging to the top layer, the middle layer and the bottom layer may be set differently according to the setting of the user, but is not limited thereto.

FIG. 4 shows a scene in the movie "suffering beauty".

The scene shown in Fig. 4 is a dialog scene between the characters of the movie. For example, a plurality of speakers having a 16 X 9 structure are located behind the display screen 10 showing the scene as shown in FIG. In this case, the position designation unit 300 may include a speaker belonging to a MIDDLE LAYER among a plurality of speakers, for example, a speaker corresponding to a middle speaker among a plurality of speakers , 6 "), and set the selected speakers to output sound.

The speaker position setting unit 320 controls the speaker corresponding to the position of the object including the scene to output a sound, as shown in FIG. 5, when the transmission mode is the field transmission mode. Here, an object includes a behavior of a person, a collision between people, a specific object such as a car, a gun, and the like.

6 shows a scene of the movie "Avatar ".

The scene shown in Fig. 6 is a movie shooting character, that is, a shooting shooting scene between objects. For example, a plurality of speakers having a 16 X 9 structure are located behind the display screen 10 showing the scene as shown in FIG. At this time, the position specification unit 300 controls the speaker corresponding to the shooting gun position (corresponding to the opaque circle in FIG. 5) among the plurality of speakers to output a sound.

Next, a method of specifying the position of the speaker will be described in detail with reference to FIG.

7 is a flow chart illustrating a method for locating speakers according to an ambassadorial or real-life communication purpose according to an embodiment of the present invention.

First, a device (hereinafter referred to as a "speaker position designation device") for performing a method for designating a position of a speaker in accordance with an ambassador or a sense of reality transmission according to an embodiment of the present invention includes a speaker And operates in conjunction with a display screen on which holes are formed. Here, the display screen corresponds to, for example, a screen such as an LCD, an OLED, a projection, and a screen.

A plurality of loudspeakers are arranged in matrix form on the X, Y axes, in total, after the display screen.

Referring to FIG. 7, the speaker positioning apparatus selects a section including a specific scene of an image to be displayed on a display screen (S100). Here, the subject selecting section may be a selection of a speaker positioning device or a selection of a person, but is not limited thereto.

The speaker position designation device determines whether the scene of the section selected in step S100 is intended for metabolic transfer (S200).

According to the embodiment of the present invention, when the user intends to transmit a voice corresponding to a dialogue, the user may transmit the voice corresponding to the dialogue, Special effect (SFX), and sound corresponding to a sound generated by a person's movement such as a footstep, a clothes sound, and the like.

 In the case where the scene of the section selected in step S100 is for the purpose of dialogue transfer, the speaker position designation device sets the delivery mode to the metabolic delivery mode, designates the position of a speaker belonging to the middle layer among a plurality of speakers, And controls the speaker to output sound (S300).

On the other hand, in the case where the scene of the section selected in step S100 is for the purpose of delivering the presence information, the speaker position designation device sets the delivery mode to the real-time transmission mode, and the speaker corresponding to the position of the object, (S400).

Next, a tool for setting a delivery mode by selecting a section including a specific scene of an image scheduled to be displayed on the display screen by the speaker positioning apparatus will be described in detail with reference to FIG.

FIG. 8 is a reference view showing a tool for designating a position of a speaker to which a method of specifying a position of a speaker according to an ambassador or a sense of reality transmission according to an embodiment of the present invention is applied.

A method of locating a speaker according to an ambassador or a real-life transmission purpose according to an embodiment of the present invention may include selecting a specific scene from a user using a designating tool of a position of a speaker, selecting a delivery mode of a specific scene, But is not limited thereto.

8, the tool for designating the position of the speaker includes a specific scene display unit 810, a time code display unit 820, a dialogue delivery mode selection button 830, a presence transmission mode selection button 840, X 850, Y (860), Z (870), and a volume control key (880).

The user selects a specific scene of an image output through the specific scene display unit 810 and determines whether the selected scene is for the purpose of metabolism transfer or for the purpose of delivering a sense of presence. At this time, the user can know through the time code display unit 820 which part of the image the currently selected specific scene is.

Next, the user presses the metabolic delivery mode selection button 830 when a specific scene is intended for metabolic transfer. Then, the speaker position designation device specifies a position of a speaker belonging to the middle layer among a plurality of speakers, and sets a speaker belonging to the specified middle layer to output a sound. At this time, the volume control key 880 can adjust the volume of the speaker.

On the other hand, when the user intends to transmit a certain scene, the user presses the presence transmission mode selection button 840. Then, the speaker-position specifying apparatus controls the speaker corresponding to the position of the object included in the scene among the plurality of speakers to output a sound. At this time, the volume control key 880 can adjust the sound volume of the speaker.

In addition, the user may select the positions of the X-axis and Y-axis through the X 850 and Y 860 positions of the speaker to output the sound according to the determined purpose.

In addition, the user can adjust the sound emitted from the speaker to correspond to the perspective of the Z-axis (not shown) using the Z 870.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100; A scene segment selection unit 200; The transmission mode setting unit
300; Position setting unit
310; The speaker-based speaker positioning unit
320; Speaker position setting section
810; A specific scene display unit 820; Time code display unit
830; A metabolic delivery mode selection button 840; Mode selection button
850; X 860; Y
870; Z 880; Volume control keys

Claims (12)

  1. A scene segment selection unit for selecting a segment including a partial scene of the entire scene of the video image;
    A delivery mode setting unit for setting a delivery mode according to whether a scene included in the selected segment is for the purpose of metabolic transfer or presence transfer; And
    Wherein when the delivery mode is a metabolic delivery mode for the purpose of metabolic transfer, a position of a speaker belonging to a specific layer among a plurality of speakers is designated, and when the delivery mode is a real- And a position setting unit for specifying a position of the speaker based on the position of the object in the scene including the speaker.
  2. The method according to claim 1,
    The position setting unit
    In the metabolic delivery mode,
    Wherein the specific layer corresponds to a middle layer, and a position of at least one speaker located in the middle layer is specified, and at least one speaker designated to output sound is set to output sound. Speaker positioning device.
  3. The method of claim 2,
    Wherein the sound outputted by at least one speaker located in the middle layer is a sound corresponding to a metabolism.
  4. The method according to claim 1,
    The position setting unit
    In the presence sensing mode,
    And controls the speaker corresponding to the position of the in-scene object included in the selected section to output a sound.
  5. The method of claim 4,
    Wherein the sound output from the speaker corresponding to the position of the in-scene object included in the selected section is a sound corresponding to at least one of metabolism, music, Ambience, poly (Foley), and effect sound Speaker positioning device for ambassadors or purpose of delivery.
  6. The method according to claim 1,
    Wherein the plurality of loudspeakers are arranged in a two-dimensional array on a rear surface of a screen on which a scene of the video image is displayed.
  7. Selecting an interval including a part of the entire scene of the video image;
    Setting a delivery mode according to whether the scene included in the selected segment is for the purpose of metabolic transfer or presence transfer;
    Designating a position of a speaker belonging to a specific layer among a plurality of speakers when the delivery mode is the metabolic delivery mode; And
    And designating a position of a speaker based on a position of an object in the scene included in the selected section when the delivery mode is the presence / absence delivery mode.
  8. The method of claim 7,
    Wherein the step of designating a position of a speaker belonging to a specific layer among the plurality of speakers
    And the specific layer corresponds to a middle layer in the case of the meta-propagation mode, wherein a position of at least one speaker located in the middle layer is set, and at least one designated speaker outputs sound A method for locating a speaker according to the purpose of ambiguity or presence transmission.
  9. The method of claim 8,
    Wherein the sound output from at least one speaker located in the middle layer is a sound corresponding to a metabolism.
  10. The method of claim 7,
    Wherein the step of specifying the position of the speaker based on the position of the object
    And controlling the speaker to output a sound corresponding to a position of an object in the scene included in the selected section when the speaker is in the presence sensing mode.
  11. The method of claim 10,
    Wherein the sound output from the speaker corresponding to the position of the object in the scene included in the selected section is a sound corresponding to at least one of a metabolism, a music, an ambience, a poly, and an effect sound. Positioning method.
  12. The method of claim 7,
    Wherein the plurality of loudspeakers are arranged in a two-dimensional array on a rear surface of a screen on which a scene of the video image is displayed.
KR1020130063066A 2013-05-31 2013-05-31 Apparatus and method for positioning of speaker KR101410976B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050017806A (en) * 2003-08-09 2005-02-23 한국스프라이트 주식회사 Total control network speaker system
KR20090100566A (en) * 2008-03-20 2009-09-24 박승민 Display apparatus having sound effect of three dimensional coordinates corresponding to the object location in a scene
KR101060643B1 (en) 2009-06-02 2011-08-31 박승민 Permeable display device for sound output with object-based position coordinate effect
WO2013006338A2 (en) 2011-07-01 2013-01-10 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050017806A (en) * 2003-08-09 2005-02-23 한국스프라이트 주식회사 Total control network speaker system
KR20090100566A (en) * 2008-03-20 2009-09-24 박승민 Display apparatus having sound effect of three dimensional coordinates corresponding to the object location in a scene
KR101060643B1 (en) 2009-06-02 2011-08-31 박승민 Permeable display device for sound output with object-based position coordinate effect
WO2013006338A2 (en) 2011-07-01 2013-01-10 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering

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