CN110049428A - Method, playback equipment and the system played for realizing multichannel surround sound - Google Patents
Method, playback equipment and the system played for realizing multichannel surround sound Download PDFInfo
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- CN110049428A CN110049428A CN201910210742.XA CN201910210742A CN110049428A CN 110049428 A CN110049428 A CN 110049428A CN 201910210742 A CN201910210742 A CN 201910210742A CN 110049428 A CN110049428 A CN 110049428A
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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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- Acoustics & Sound (AREA)
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Abstract
The embodiment provides the method and system played for realizing multichannel surround sound, the wherein position and orientation of real-time detection user；In response to the variation of the position and orientation of user, according to the current location of detected user and direction and participating in multichannel surround sound broadcasting multiple playback equipments in each playback equipment position, redefine be suitble to the playback equipment play current channel；And each playback equipment is switched to the corresponding audio signal of current channel for playing the playback equipment and redefining.The sound channel that the technical solution of the embodiment of the present invention can be currently played according to each playback equipment of mobile automatic switchover of user, so that user is in different moments, in moved between positions, real-time, most perfect multichannel surround sound effect can be experienced.
Description
Technical field
The present invention relates to terminal device technical fields, the more particularly, to side of realization multichannel surround sound broadcasting
Method, playback equipment and system.
Background technique
Surround sound enhanced by the playback equipment of the different sound channels of different location the depth feelings of sound, telepresenc and
Spatial impression surrounds viewer spatial sound place caused by these sound sources, so that building one kind places oneself in the midst of singing-hall, film and drama
The acoustics of institute.By taking 5.1 sound channel surround sounds as an example, it usually needs 6 playback equipments come from central sound to play respectively
Road, preposition left and right sound channels, the audio signal of the left and right circular sound channel of postposition and supper bass sound channel (i.e. 0.1 sound channel).And to broadcasting
There is certain requirement in the placement position of equipment, such as the playback equipment of corresponding center channel is generally in the front of hearer, example
If the corresponding playback equipment of preposition left and right acoustic channels is generally in the left and right sides in front of hearer, the left and right circular sound channel of postposition is corresponding
Playback equipment be generally in the left and right sides at hearer rear, the corresponding terminal device of supper bass sound channel can be located at corresponding central sound
Near the playback equipment in road on the lower.
In existing surround sound play system, when user is in the circular middle position of all playback equipments and face
Towards center channel playback equipment when, most perfect surround sound effect can be experienced.But with the movement of user, often
It will appear the problems such as some channel sound effect is fuzzy, environmental sound is noisy, this directly affects user and experiences stereophone
Fruit.
Summary of the invention
Therefore, the defect for aiming to overcome that the above-mentioned prior art of the embodiment of the present invention provides one kind for realizing more
The method and system that sound channel surround sound plays, the sound that each playback equipment is played is adjusted according to the moveable self-adaption of user
Road, so that user enjoys the surround sound result of broadcast of high quality whenever and wherever possible.
Above-mentioned purpose is achieved through the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of side played for realizing multichannel surround sound is provided
Method, this method comprises: the position and orientation of real-time detection user；In response to the variation of the position and orientation of user, according to being examined
The current location of the user measured and direction and participating in multichannel surround sound broadcasting multiple playback equipments in
The position of each playback equipment redefines the current channel for being suitble to the playback equipment to play；And each playback equipment is cut
It is changed to and plays the corresponding audio signal of current channel that the playback equipment redefines.
In some embodiments of the invention, the current channel for being suitble to each playback equipment to play is redefined can include:
The best broadcasting side for each sound channel that multichannel surround sound plays is realized for the user according to the determination of user's orientation information
To；Its broadcasting is determined relative to the angle between the direction of user and the best broadcasting direction of each sound channel according to the playback equipment
The preferred value of each sound channel；And according to the corresponding preferred value of identified each sound channel, selection is suitble to the playback equipment to play
Current channel.
In some embodiments of the invention, this method, which may additionally include, exchanges respective institute really between adjacent playback equipment
The fixed corresponding preferred value of each sound channel；If the corresponding respective highest preferred value of two neighboring playback equipment is same sound channel,
The right of broadcasting of the sound channel is then obtained in two playback equipments to the playback equipment that the sound channel possesses higher preferred value, and another is broadcast
Putting equipment selection, secondly the corresponding sound channel of high preferred value plays out.
In some embodiments of the invention, this method can further include working as position based on each playback equipment and user
The distance between front position determines the broadcast sound volume of the playback equipment.
According to a second aspect of the embodiments of the present invention, additionally provide it is a kind of for realizing multichannel surround sound play
Playback equipment, including communication module, detection module, sound channel adjustment module and audio playing module.Wherein communication module is for connecing
Receive the audio that will be played；Detection module, the position and orientation for real-time detection user；Sound channel adjustment module, being used for will
The audio of broadcasting is converted into the audio signal of multiple sound channels, and the variation of the position and orientation in response to user, is broadcast according to this
The position of equipment and current location and the direction of detected user are put, determines the current sound for being suitble to the playback equipment to play
Road；Audio playing module, for playing the corresponding audio signal of identified current channel.
In some embodiments of the invention, sound channel adjustment module can determine through the following steps is suitble to the broadcasting to set
The standby current channel played: to realize that multichannel surround sound plays each according to the determination of user's orientation information for the user
The best broadcasting direction of sound channel；According to the playback equipment relative between the direction of user and the best broadcasting direction of each sound channel
Angle determine that it plays the preferred value of each sound channel；And according to the corresponding preferred value of identified each sound channel, selection is suitble to
The current channel that the playback equipment plays.
According to a third aspect of the embodiments of the present invention, additionally provide it is a kind of for realizing multichannel surround sound play
System, including multiple playback equipments according to a second aspect of the embodiments of the present invention.
According to a fourth aspect of the embodiments of the present invention, a kind of broadcasting for realizing the broadcasting of multichannel surround sound is provided
Put equipment, including communication module, sound channel adjustment module and audio playing module.Wherein communication module is for receiving the sound to be played
Frequently, the information about the position and orientation of user；The audio that sound channel adjustment module is used to play is converted into multiple sound channels
Audio signal, and for being suitble to the playback equipment according to the position of the playback equipment and the current location of user and towards determination
The current channel of broadcasting；Audio playing module is for playing the corresponding audio signal of identified current channel.
In some embodiments of the invention, sound channel adjustment module can determine through the following steps is suitble to the playback equipment
The current channel of broadcasting: each sound that multichannel surround sound plays to be realized for the user according to the determination of user's orientation information
The best broadcasting direction in road；According to the playback equipment relative between the direction of user and the best broadcasting direction of each sound channel
Angle determines that it plays the preferred value of each sound channel；And according to the corresponding preferred value of identified each sound channel, selection is suitble to should
The current channel that playback equipment plays.
In some embodiments of the invention, which may also include volume adjusting module, be configured as being based on
The distance between position and the current location of user of the playback equipment determine the broadcast sound volume of the playback equipment.
According to a fifth aspect of the embodiments of the present invention, provide it is a kind of for realizing multichannel surround sound play be
System, including controller and multiple playback equipments according to a fourth aspect of the embodiments of the present invention, wherein controller is configured as using
In the position and orientation of real-time detection user；And the variation of the position and orientation in response to user, by the current location of user
The multiple playback equipments for participating in the broadcasting of multichannel surround sound are sent to direction.
According to a sixth aspect of the embodiments of the present invention, provide it is a kind of for realizing multichannel surround sound play be
System, including controller and the multiple playback equipments that can be communicated with controller, wherein the controller is configured as: Jiang Yaobo
The audio put is converted into the audio signal of multiple sound channels；The position and orientation of real-time detection user；Based on each playback equipment
The current location of position and user and towards determining the current channel for being suitble to the playback equipment to play；And it is based upon each broadcasting
The audio signal of each sound channel is sent to corresponding playback equipment by current channel determined by equipment；Wherein, the broadcasting is set
It is standby to be configured as playing the audio signal from controller.
According to a seventh aspect of the embodiments of the present invention, a kind of computer readable storage medium is provided, meter is stored thereon with
Calculation machine program, described program are performed the method realized as described in above-described embodiment first aspect.
The technical solution of the embodiment of the present invention can include the following benefits:
According to the variation of the information such as user location detected and direction, automatically switches each playback equipment and be currently played
Sound channel so that user is in different moments, in moved between positions, can experience in real time, most perfect multichannel
Surround sound effect.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.In the accompanying drawings:
Fig. 1 shows the stream of the method according to an embodiment of the invention played for realizing multichannel surround sound
Journey schematic diagram.
Fig. 2 (a) and (b) show multichannel surround sound playing process signal according to an embodiment of the invention
Figure.
Fig. 3 shows the best broadcasting position for each sound channel that realization surround sound according to an embodiment of the invention plays
Set schematic diagram.
Fig. 4 shows the playback equipment according to an embodiment of the invention played for realizing multichannel surround sound
Structural schematic diagram.
Fig. 5 shows the knot of the system according to an embodiment of the invention played for realizing multichannel surround sound
Structure schematic diagram.
Fig. 6 shows the playback equipment according to an embodiment of the invention played for realizing multichannel surround sound
Structural schematic diagram.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, and are passed through below in conjunction with attached drawing specific real
Applying example, the present invention is described in more detail.It should be appreciated that described embodiment is a part of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not in the case where making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one or more in specific detail,
Or it can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation are to avoid fuzzy each aspect of the present invention.
Block diagram shown in the drawings is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in the drawings is merely illustrative, it is not necessary to including all content and operation/step,
It is not required to execute by described sequence.For example, some operation/steps can also decompose, and some operation/steps can close
And or part merge, therefore the sequence actually executed is possible to change according to the actual situation.
Inventor has found that being only in all playback equipments in user in existing surround-sound system surround under study for action
Middle position and when facing the playback equipment of center channel, the surround sound effect experienced is most perfect.But with user
Movement, often will appear the problems such as some channel sound effect is fuzzy, environmental sound is noisy.And this surround sound system
System is limited by connection mode, placement position between multiple playback equipment sizes and playback equipment, and user is difficult to enjoy whenever and wherever possible
By the played in stereo audio of high quality.
Fig. 1 gives the method according to an embodiment of the invention played for realizing multichannel surround sound
Flow diagram.The method comprising the steps of S1) real-time detection user position and orientation；Step S2) in response to the position of user
With the variation of direction, according to the current location of detected user and direction and is participating in multichannel surround sound and broadcasting
The position for each playback equipment in multiple playback equipments put redefines the current channel for being suitble to the playback equipment to play；
Step S3) each playback equipment is switched to the corresponding audio signal of current channel for playing the playback equipment and redefining.?
In the technical solution of the embodiment, by the variation of the information such as the position and orientation of real-time detection user, according to the movement of user
Automatically switch the sound channel that each playback equipment is currently played, so that user can enjoy the stereo effect of high quality at any time
Fruit.
Fig. 2 (a)-(b) provides multichannel surround sound playing process signal according to an embodiment of the present invention.Such as Fig. 2 (a)
Shown, the speaker of the current direction of user is center-channel speaker, is playing center channel, is broadcast respectively positioned at speaker at left and right sides of user
L channel and right channel are put, speaker plays right and left rings around sound channel at left and right sides of rear.In Fig. 2 (b), user's direction is had occurred
Change, at this time each speaker can adaptively change be each responsible for play sound channel, such as the current institute's direction of user speaker from
Original broadcasting is left to be switched to broadcasting center channel around sound channel；Correspondingly, the sound channel that remaining speaker is played all is adjusted,
The speaker for being currently located at user right is switched to broadcasting right channel from original subwoofer channel that plays；The sound being currently located on the left of user
Case is switched to broadcasting L channel from original right surround sound channel that plays；Speaker in front of user side is currently located at from originally playing left sound
Road is switched to broadcasting subwoofer channel；Two speakers for being currently located at user behind, which are also respectively switched to, plays a postposition left side around sound channel
With postposition right surround sound channel.So, no matter user towards where, the sound in front always transmits in front of user, ring
Around sound be always looped around the surrounding of user so that user's moment can experience most perfect stereo effect
Fruit.
It continues to refer to figure 1, more specifically, in the position and orientation of step S1) real-time detection user.With such as bluetooth,
The plurality of wireless networks technology of WiFi, ZigBee etc and such as intelligent sound box, smart phone, tablet computer, notebook, camera shooting
Head, player, wearable device, smartwatch etc intelligent wireless terminal device are popularized, and user may whenever and wherever possible
Touch the multiple terminal devices of networking.Therefore, can use the equipment such as smart phone, the smartwatch carried with user,
The equipment such as the camera of space installation indoors or indoor locating system carry out the position and orientation of real-time monitoring user.It can use
Existing a variety of location technologies come real-time detection user location and direction, such as GPS positioning, WiFi or radio frequency positioning, visible light
Positioning etc..Herein for obtaining user location and direction and the location technology of playback equipment position without concrete restriction.
In step S2) in response to the variation of the position and orientation of user, according to the current location of detected user and
Direction and the position for participating in each playback equipment in multiple playback equipments that multichannel surround sound plays, again
Determine the current channel for being suitble to the playback equipment to play.In one embodiment, such as intelligence in user's local environment can be used
Energy speaker, mobile phone, tablet computer, notebook etc multiple intelligent wireless terminal devices are as playback equipment, by playback equipment reality
When detect the position and orientation of user, and according to response in the variation of the position and orientation of user, redefine it is current be suitble to from
The sound channel that body plays is played to be cooperated by multiple playback equipments come dynamic construction with the surround sound of customer center
System provides surround sound result of broadcast for user whenever and wherever possible.In yet another embodiment, it can be carried using user
Smart phone is automatic to detect multiple terminal devices and its place that may act as playback equipment in user surrounding environment as controller
Position.The mobile phone that user carries can obtain the position and orientation of user by itself or indoor locating system, then root
To specify for each terminal device or divide according to the position of the current position and orientation of user and each terminal device for participating in broadcasting
With corresponding sound channel, to construct the surround sound play system with customer center, surround sound is provided for user and plays effect
Fruit.For constructing 5.1 sound channel surround sound play systems, 6 terminals in its ambient enviroment are selected by user mobile phone and are set
It is standby to be played respectively from center channel as playback equipment, preposition left and right sound channels, the left and right circular sound channel of postposition and supper bass
The audio signal of sound channel.Wherein the playback equipment immediately ahead of user is specified for playing the audio signal of center channel；
The playback equipment that may be alternatively located near the playback equipment of corresponding center channel carrys out the audio signal for supper bass sound channel
It plays；Playback equipment in front of user side can be specified for playing the audio signal of preposition left and right acoustic channels；And in use
The playback equipment at family rear can be specified for the left and right audio signal around sound channel of postposition.For convenience of description, hereafter with intelligence
Speaker is illustrated as playback equipment.
As mentioned above, in surround-sound system, good result of broadcast is reached, participates in multichannel around vertical
Multiple intelligent sound boxes that body sound plays are that there are certain requirements relative to the arrangement position of user.When the current direction for determining user
Afterwards, the best broadcasting direction for constituting each sound channel that surround sound plays can be determined.By taking Fig. 3 as an example, it is suitable for playing center
Playback equipment (being referred to as center-channel speaker) optimum orientation of sound channel is the front in user, that is, the playback equipment
Relative to user direction and user towards angle be 0 degree；The playback equipment for being suitable for playing subwoofer channel (is referred to as low
Sound box with sound) optimum orientation be generally in user towards angle be 30 degree of left or right side direction；It is suitable for playing a preposition left side
The optimum orientation of the playback equipment (being referred to as left voice box and right voice box) of right channel is generally in user towards the left and right sides
The direction that angle is 45 degree；Be suitable for play postposition it is left and right around sound channel playback equipment (be referred to as left surround speaker and
Right surround speaker) optimum orientation be generally in the direction that the left and right sides angle of user's direction is 135 degree.Usual 5.1 sound channel
The best broadcasting of 6 sound channels (i.e. center channel, left and right acoustic channels, right and left rings are around sound channel, subwoofer channel) in surround-sound system
Direction can be denoted as respectively by indicating to user's direction at the unit vector of corresponding angle
It, can be according to each after obtaining each sound channel as shown in Figure 2 according to user's orientation information and most preferably playing direction
The position of playback equipment and user location calculate the playback equipment relative to the direction of user and the best broadcasting direction of each sound channel
Between angle, so that it is determined that its preferred value for playing each sound channel, and sorted from high to low according to preferred value, estimate oneself
It is suitble to the sound channel played.In one embodiment, can directly according to playback equipment relative to user direction and each sound channel most
Preferred value is arranged in angle between good broadcasting direction, and angle is smaller, and preferred value is higher.Still by taking intelligent sound box as an example, it is assumed that 6
Line between intelligent sound box and user is expressed as a vectorThe best broadcasting direction of 6 sound channels point
It is notBy taking intelligent sound box 1 as an example, the excellent of each sound channel is played
First value can be such that
The preferred value of the broadcasting center channels of intelligent sound box 1 are as follows:
Wherein θ1CENForWithBetween angle
The preferred value of the broadcasting subwoofer channel of intelligent sound box 1 are as follows:
Wherein θ1SWForWithBetween angle
The preferred value of the broadcasting L channel of intelligent sound box 1 are as follows:
Wherein θ1FLForWithBetween angle
The preferred value of the broadcasting right channel of intelligent sound box 1 are as follows:
Wherein θ1FRForWithBetween angle
Intelligent sound box 1 plays the left preferred value around sound channel are as follows:
Wherein θ1SLForWithBetween angle
The preferred value of the broadcasting right surround sound channel of intelligent sound box 1 are as follows:
Wherein θ1SRForWithBetween angle
It after calculating, is sorted from large to small according to 6 preferred values, obtains intelligent sound box 1 and play the preferential of each sound channel
Value list, and sorted from high to low according to preferred value, switch to the corresponding sound channel of highest preferred value.Remaining 5 intelligent sound box is broadcast
The calculation method of each channel priority is put with more than similarly.
It In yet another embodiment, can be with after determining that it plays the preferred value of each sound channel for each intelligent sound box
Respective preferential value list is intercoursed between adjacent intelligent sound box, will appear following two feelings in this process
Condition:
1) each intelligent sound box be most suitable for the sound channel played be precisely it is unduplicated each other, i.e. each sound channel has and only
There is an intelligent sound box to be responsible for broadcasting.So in this case, all intelligent sound boxes have been in agreement, each intelligent sound
Case just synchronously continues to play current music simultaneously according to current new sound channel.
2) two neighboring intelligent sound box corresponds to the highest sound channel conflict of preferred value.In this case, in two intelligent sound boxes
The right of broadcasting of the sound channel is obtained to the intelligent sound box that the sound channel possesses higher preferred value.And another intelligent sound box selects its sound channel
Time high sound channel is responsible for broadcasting in preferential value list.
When the adjacent intelligent sound box of every a pair adjust mutually reach an agreement to ensure that all 6 sound channels all have just and
When an only intelligent sound box is responsible for playing, each intelligent sound box can synchronously continue simultaneously according to current new sound channel
Play current music.
It continues to refer to figure 1, is being redefined through step S2) according to the variation of user's direction and position for each playback equipment
After the sound channel for being suitble to it to play, each playback equipment is switched in step S3) and plays the current channel pair redefined
The audio signal answered.In this way, no matter user towards where, the sound in front always transmits in front of user, circular sound
It is always looped around the surrounding of user, so that user's moment can experience most perfect surround sound effect.
In yet another embodiment, can also according between the position of each playback equipment and the current location of user away from
From the broadcast sound volume for determining the playback equipment.In this way, when user is not at the circular center of each playback equipment,
The channel sound played apart from the closer playback equipment of user is automatically turned down, and those are apart from the farther away playback equipment of user
The channel sound played automatically tunes up, so that the sound effect of each sound channel be allowed to keep clear, not obscure mutually, allows user
Experience the centre for oneself being seemingly in scene forever.Still by taking intelligent sound box as an example, it is assumed that the speaker standard pronunciation of unit distance
Amount is V, and the volume adjustment factor is f (f >=1), then the typical problem adjusting range of speaker is [V, fV].In order to avoid between sound channel
Audio interferes with each other, prevent certain channel sounds because it is too large or too small and caused by stereophonic effect situation of low quality
Occur, each speaker can arrive the range information of user according to oneself, intelligently tune up or turn down the volume of itself broadcasting, such as sound
The volume of case is directly proportional at a distance from the speaker to user.Assuming that the changing coordinates of user are (xu,yu), constitute played in stereo
The coordinate of 6 speakers of system is respectively (x1,y1)、(x2,y2)、(x3,y3)、(x4,y4)、(x5,y5)、(x6,y6), this 6 sounds
Case between user at a distance from be denoted as d respectively1u、d2u,d3u、d4u、d5u、d6u, then the current volume V of 6 speakers1、V2、V3、V4、V5、
V6It is as follows for can adjusting separately:
In this way, intelligently can tune up or turn down the sound of its broadcasting according to the range information of each intelligent sound box to user
Amount, so that audio between sound channel be avoided to interfere with each other, the generation for the problems such as certain channel sound effects are fuzzy provides more for user
Perfect surround sound effect.
Fig. 4 shows the playback equipment according to an embodiment of the invention played for realizing multichannel surround sound
Structural schematic diagram.The playback equipment 400 may include communication module 401, sound channel adjustment module 402 and audio playing module
403.Wherein communication module 401, which is used to receive, passes through user mobile phone or other equipment or other positioning systems user detected
Current location and orientation information.Sound channel adjustment module 402 is used for as introduced above in association with Fig. 1, the sound that will be played
Frequency is converted into the audio signals of multiple sound channels, and according to the position of the playback equipment and the current location of user and towards determination
The current channel for being suitble to the playback equipment to play.Audio playing module 403 is for playing the corresponding sound of identified current channel
Frequency signal.In yet another embodiment, which further includes 404 (not shown) of volume adjusting module, should for basis
The distance between position and the current location of user of playback equipment determine the broadcast sound volume of the playback equipment.
In yet another embodiment, which can also be including self-learning module, same for learning, recording
Different user in front yard to music and plays the difference preference being arranged, and switches different music automatically for different users,
Experience is more easily played to realize for each user.Particularly, the smart phone with user or other such as intelligence
The wearable devices such as wrist-watch can be sent to the identity information of different user the playback equipment, or be known by camera within doors
Other user identity simultaneously informs the playback equipment, and then the playback equipment can be configured for the hobby of the user and adjust and broadcast
Favorite music is put, if user A may like the music of amount of bass releived, which can be arranged the equilibrium of each sound channel
And play classical music；User B likes rock music, which can reinforce bass contribution and play rock music.
In an embodiment of the present invention, which can be come real in the form of software, hardware or software and hardware combining
It is existing.For example, it can be realized in the form of independent intelligent sound box, can also be integrated in such as in the form of software program or chip
On the computing device of existing intelligent sound box or smart phone etc.In the technical solution of the embodiment, each playback equipment
Can user direction change when, change to distributed collaboration be each responsible for play sound channel so that no matter user court
To where, the sound in front always transmits in front of user, and circular sound is always looped around the surrounding of user；It is each simultaneously
A each playback equipment is different according to the position of user, intelligently adjusts the sound size of each sound channel broadcasting, allows each sound
The sound effect in road keeps clear, does not obscure mutually, and user is allowed to experience the centre that oneself is seemingly in scene forever, thus
Allow user's moment that can experience most perfect surround sound effect.The technical solution of the embodiment of the present invention is for intelligent family
Occupy the distributed collaboration of equipment room, the development in smart home future has important meaning, not only can be with independent play-out not in unison
Road can also detect the variation of the information such as the position and orientation of user, to currently broadcast according to the automatic switchover of these information
The sound channel put, so that user in different moments, in moved between positions, can experience real-time, most perfect more sound
Road surround sound effect.
Fig. 5 is to be shown according to the structure for the system of one embodiment of the invention played for realizing multichannel surround sound
It is intended to.As shown in figure 5, the system 500 includes controller 502 and what can wirelessly or non-wirelessly be communicated with controller multiple broadcast
.501n (being referred to as 501) of putting equipment 501a, 501b ....Although the block diagram describes component in functionally separated mode, this
The description of sample is exclusively for the purposes of illustration.Component shown in figure can arbitrarily be combined or be divided into independent software,
Firmware and/or hardware component.Moreover, no matter how such component is combined or divided, they can be in same meter
It calculates and is executed on device or multiple computing devices, plurality of computing device can be to be connected to the network by one or more.
In one embodiment, playback equipment 501 can be the playback equipment as introduced above in association with Fig. 4.Controller
502 controllers are configurable for the position and orientation of real-time detection user；And the change of the position and orientation in response to user
Change, the current location of user and direction are sent to the multiple playback equipments 501 for participating in the broadcasting of multichannel surround sound.
In yet another embodiment, the audio that controller 502 is configured as being played is converted into the audio signal of multiple sound channels；In real time
Detect the position and orientation of user；The current location of position and user based on each playback equipment and towards determination be suitble to this to broadcast
Put the current channel of device plays；And it is based upon current channel determined by each playback equipment, by the audio of each sound channel
Signal is sent to corresponding playback equipment.Controller 502 can be additionally configured to the variation of the position and orientation in response to user,
Redefine the current channel for being suitble to each playback equipment to play.Playback equipment 501 is configured as playing the sound from controller
Frequency signal can be realized by existing various speakers or playing device.
Fig. 6 shows the playback equipment according to an embodiment of the invention played for realizing multichannel surround sound
Structural schematic diagram.The playback equipment 600 may include communication module 601, detection module 602, sound channel adjustment module 603 and sound
Frequency playing module 604.Wherein communication module 601 is for receiving the audio to be played.Detection module 602 is used for real-time detection user
Position and orientation.Sound channel adjustment module 603 is used for as introduced above in association with Fig. 1, the audio conversion that will be played
At the audio signal of multiple sound channels, and the variation of the position and orientation in response to user, according to the position of the playback equipment with
And current location and the direction of detected user, determine the current channel for being suitble to the playback equipment to play.Audio plays mould
Block 604 is for playing the corresponding audio signal of identified current channel.In yet another embodiment, which goes back
Including 605 (not shown) of volume adjusting module, for according between the position of the playback equipment and the current location of user away from
From the broadcast sound volume for determining the playback equipment.
In yet another embodiment, sound channel adjustment module 603 is determined by following mode is suitble to the playback equipment to broadcast
The current channel put: 1) each sound of multichannel surround sound broadcasting according to user orientation information determination for the user is realized
The best broadcasting direction in road；2) according to the playback equipment relative between the direction of user and the best broadcasting direction of each sound channel
Angle determine that it plays the preferred value of each sound channel；3) according to the corresponding preferred value of identified each sound channel, selection is suitble to should
The current channel that playback equipment plays.
In yet another embodiment of the present invention, additionally provide it is a kind of for realizing multichannel surround sound play be
System, which includes multiple playback equipments as described in conjunction with Fig. 6, can be communicated with each other between these playback equipments, adjacent
Playback equipment between can also pass through the corresponding preferred value of each sound channel, such sound channel determined by communication module exchange respectively
The current channel that adjustment module 603 can also further coordinate to be suitble to the playback equipment to play, if such as two neighboring broadcasting set
Corresponding standby respective highest preferred value is same sound channel, then possesses higher preferred value to the sound channel in two playback equipments and broadcast
The right of broadcasting that equipment obtains the sound channel is put, and secondly the corresponding sound channel of high preferred value plays out the selection of another playback equipment.
In yet another embodiment of the present invention, a kind of computer readable storage medium is additionally provided, meter is stored thereon with
Calculation machine program or executable instruction, when the computer program or executable instruction are performed realization such as institute in previous embodiment
The technical solution stated, realization principle is similar, and details are not described herein again.In an embodiment of the present invention, computer-readable storage medium
Matter can be it is any can storing data and can by computing device read tangible medium.The reality of computer readable storage medium
Example include hard disk drive, network attached storage (NAS), read-only memory, random access memory, CD-ROM, CD-R,
CD-RW, tape and other optics or non-optical data storage device.Computer readable storage medium also may include being distributed in
Computer-readable medium in network coupled computer system, so as to store and execute computer program in a distributed manner or refer to
It enables.
For the ginseng of " each embodiment ", " some embodiments ", " one embodiment " or " embodiment " etc. in this specification
Examine reference is that the special characteristic in conjunction with described in the embodiment, structure or property are included at least one embodiment.Cause
This, phrase " in various embodiments ", " in some embodiments ", " in one embodiment " or " in embodiment " etc. exists
The appearance of each place not necessarily refers to identical embodiment in the whole instruction.In addition, special characteristic, structure or property can
To combine in any way as suitable in one or more embodiments.Therefore, in conjunction with shown in one embodiment or description
Special characteristic, structure or property can wholly or partly with the feature, structure or property of one or more other embodiments
It unlimitedly combines, as long as the combination is not non-logicality or cannot work.
The term of " comprising " and " having " and similar meaning is expressed in this specification, it is intended that covers non-exclusive packet
Contain, such as contains the process, method, system, product or equipment of a series of steps or units and be not limited to listed step
Rapid or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising for these processes, side
Other intrinsic step or units of method, product or equipment."a" or "an" is also not excluded for multiple situations.In addition, the application
Each element in attached drawing is not necessarily drawn to scale just to schematically illustrate.
Although the present invention is described through the foregoing embodiment, the present invention is not limited to described here
Embodiment, without departing from the present invention further include made various changes and variation.
Claims (11)
1. a kind of method played for realizing multichannel surround sound, comprising:
The position and orientation of real-time detection user；
In response to the variation of the position and orientation of user, according to the current location of detected user and direction and joining
The position of each playback equipment in multiple playback equipments played with multichannel surround sound, redefines and is suitble to the broadcasting
The current channel of device plays；
Each playback equipment is switched to the corresponding audio signal of current channel for playing the playback equipment and redefining.
2. according to the method described in claim 1, wherein redefining the current channel for being suitble to each playback equipment to play and including:
Most preferably broadcasting for each sound channel that multichannel surround sound plays is realized for the user according to the determination of user's orientation information
Put direction；
Determine that it is broadcast relative to the angle between the direction of user and the best broadcasting direction of each sound channel according to the playback equipment
Put the preferred value of each sound channel；
According to the corresponding preferred value of identified each sound channel, the current channel that selection is suitble to the playback equipment to play.
3. according to the method described in claim 2, further including each determined by exchange respectively between adjacent playback equipment
The corresponding preferred value of sound channel；If the corresponding respective highest preferred value of two neighboring playback equipment is same sound channel, two are broadcast
The right of broadcasting that the playback equipment for possessing higher preferred value to the sound channel in equipment obtains the sound channel is put, and another playback equipment selects
The secondly corresponding sound channel of high preferred value is selected to play out.
4. method according to any one of claim 1-3 further includes the position based on each playback equipment and user
The distance between current location determines the broadcast sound volume of the playback equipment.
5. a kind of playback equipment played for realizing multichannel surround sound, comprising:
Communication module, for receiving the audio that will be played；
Detection module, the position and orientation for real-time detection user；
Sound channel adjustment module, the audio for that will play are converted into the audio signal of multiple sound channels, and in response to user's
The variation of position and orientation is determined according to the current location and direction of the position of the playback equipment and detected user
The current channel for being suitble to the playback equipment to play；
Audio playing module, for playing the corresponding audio signal of identified current channel.
6. playback equipment according to claim 5, wherein sound channel adjustment module is suitble to this to broadcast to determine through the following steps
Put the current channel of device plays:
Most preferably broadcasting for each sound channel that multichannel surround sound plays is realized for the user according to the determination of user's orientation information
Put direction；
Determine that it is broadcast relative to the angle between the direction of user and the best broadcasting direction of each sound channel according to the playback equipment
Put the preferred value of each sound channel；
According to the corresponding preferred value of identified each sound channel, the current channel that selection is suitble to the playback equipment to play.
7. a kind of system played for realizing multichannel surround sound, including it is multiple such as broadcasting described in claim 5 or 6
Equipment.
8. a kind of playback equipment played for realizing multichannel surround sound, comprising:
Communication module, for receive the audio to be played, about user position and orientation information；
Sound channel adjustment module, the audio for that will play are converted into the audio signal of multiple sound channels, and for being broadcast according to this
The current channel put the position of equipment and the current location of user and be suitble to the playback equipment to play towards determination；
Audio playing module, for playing the corresponding audio signal of identified current channel.
9. playback equipment according to claim 8 further includes volume adjusting module, it is configured as based on the playback equipment
Position and the distance between the current location of user determine the broadcast sound volume of the playback equipment.
10. a kind of system played for realizing multichannel surround sound, including controller and multiple such as claims 8 or 9
The playback equipment, in which:
Controller is configurable for the position and orientation of real-time detection user；And the change of the position and orientation in response to user
Change, the current location of user and direction are sent to the multiple playback equipments for participating in the broadcasting of multichannel surround sound.
11. a kind of system played for realizing multichannel surround sound, can communicate including controller and with controller
Multiple playback equipments, wherein the controller is configured as:
The audio that will be played is converted into the audio signal of multiple sound channels；
The position and orientation of real-time detection user；
The current location of position and user based on each playback equipment and towards determine be suitble to the playback equipment play it is current
Sound channel；
It is based upon current channel determined by each playback equipment, the audio signal of each sound channel is sent to corresponding play and is set
It is standby；
Wherein, the playback equipment is configured as playing the audio signal from controller.
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