CN107872754A - A kind of multichannel surround-sound system and installation method - Google Patents
A kind of multichannel surround-sound system and installation method Download PDFInfo
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- CN107872754A CN107872754A CN201611142213.3A CN201611142213A CN107872754A CN 107872754 A CN107872754 A CN 107872754A CN 201611142213 A CN201611142213 A CN 201611142213A CN 107872754 A CN107872754 A CN 107872754A
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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
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Abstract
The invention discloses a kind of multichannel surround-sound system and its installation method, the system includes audio emitting device and multiple frequency modulation PA-systems；The audio emitting device includes being used for the modulating emission circuit for launching audio FM；Each frequency modulation PA-system includes being used for the FM reception circuit for receiving the audio FM and playing.The beneficial effects of the practice of the present invention is, by setting different frequent points to be not only increased the antijamming capability of telecontrol engineering with FM transmission audio signal, also improved the reliability that smart home communicates；Multichannel surround sound is realized by frequency modulation；Modulating emission circuit is applied in smart home, improves the adventure in daily life of people, enriches Intelligent housing function.
Description
Technical field
The present invention relates to frequency-modulated communication techniques field, more particularly to a kind of multichannel surround-sound system and installation side
Method.
Background technology
With the popularization of music light source technology, increasing music light source gets their way into people's lives.Pass through at present
The technology of Intelligent household remote control music light source is more ripe, but this telecontrol engineering antijamming capability is weak, networking inconvenience, reliably
Property is general.And in the prior art, it is difficult to realize the networking function between multiple music light sources, more realized not over frequency modulation more
The technical scheme of sound channel surround sound.
The content of the invention
It is an object of the invention to provide a kind of multichannel surround-sound system and installation method, solves in the prior art
Audio signal can not be sent by frequency modulation in smart home and telecontrol engineering antijamming capability is weak, networking is inconvenient, and reliability is general
And the problem of multichannel surround sound can not be realized by frequency modulation.
Technical scheme is realized as follows：
On the one hand, the present invention provides a kind of multichannel surround-sound system, including audio emitting device and multiple tune
Frequency PA-system；
The audio emitting device includes being used for the modulating emission circuit for launching audio FM；
Each frequency modulation PA-system includes being used for the FM reception circuit for receiving the audio FM and playing.
In multichannel surround-sound system of the present invention, the modulating emission circuit includes：
For launching the FM transmission antenna of FM signal；
Signal amplification circuit, it is electrically connected at the FM transmission antenna；
FM transmission chip, it is electrically connected at the signal amplification circuit；
Launch microprocessor, be electrically connected at the FM transmission chip；
For adjusting the tranmitting frequency code switch of launching frequency, the transmitting microprocessor is electrically connected at；
For the audio signal socket of grafting COBBAIF, the FM transmission chip is electrically connected at；
For the audio Bluetooth socket of grafting bluetooth module, the FM transmission chip is electrically connected at.
In multichannel surround-sound system of the present invention, the modulating emission circuit also includes FM transmission and supplied
Electric installation, it is electrically connected at the signal amplification circuit, the FM transmission chip, the audio Bluetooth socket and the transmitting
Microprocessor；
The FM transmission electric supply installation includes the FM transmission power supply circuit for being electrically connected at the signal amplification circuit
And FM transmission mu balanced circuit, the input of the FM transmission mu balanced circuit are connected to the FM transmission power supply circuit,
The output end of the FM transmission mu balanced circuit is electrically connected at the FM transmission chip, the audio Bluetooth socket and described
Launch microprocessor.
In multichannel surround-sound system of the present invention, the FM reception circuit includes：
For receiving the FM reception antenna of FM signal；
FM reception chip, it is electrically connected at the FM reception antenna；
Microprocessor is received, is electrically connected at the FM reception chip；
The receives frequency code switch of frequency is received for adjusting, is electrically connected at the reception microprocessor；
Amplification driving circuit, it is electrically connected at the FM reception chip；
Amplifier, it is electrically connected at the amplification driving circuit；
Loudspeaker, it is electrically connected at the amplifier.
In multichannel surround-sound system of the present invention, the FM reception circuit also includes FM reception and supplied
Electric installation, it is electrically connected at the amplifier, the FM reception chip and the reception microprocessor；
The FM reception electric supply installation includes the FM reception power supply circuit and tune for being electrically connected at the amplifier
Frequency receives mu balanced circuit, and the input of the FM reception mu balanced circuit is connected to the FM reception power supply circuit, the tune
The output end that frequency receives mu balanced circuit is electrically connected at the FM reception chip and the reception microprocessor.
On the other hand, there is provided a kind of installation method of multichannel surround-sound system, there is provided as described above a kind of more
Sound channel surround-sound system, including step：
Obtain the spatial positional information in space；
Multiple frequency modulation PA-systems are arranged on to the bottom surface and/or top in the space according to the spatial positional information
Face and/or side.
In installation method of the present invention, it is described obtain space spatial positional information the step of include following sub-step
Suddenly：
Obtain the audio occurrence of equipment in space and the spatial positional information of Riding Accommodation；
The audio occurrence of equipment is arranged to access audio-frequency information by the audio emitting device is neighbouring；
The position that position according to the audio emitting device calculates multiple frequency modulation PA-systems sets scope.
It is described to fill multiple frequency modulation sound equipments according to the spatial positional information in installation method of the present invention
The step of putting the bottom surface for being arranged on the space and/or top surface includes sub-step：
Spatial positional information according to the Riding Accommodation calculates the set location of the multichannel surround-sound system；
Within the scope of judging whether the set location is set in the position, if so, then according to the set location
Multiple frequency modulation PA-systems are installed, if it is not, then recalculating the set location of the multichannel surround-sound system.
In installation method of the present invention, in addition to step：
Top surface in the space opens up multiple perforates for being used to install multiple frequency modulation PA-systems.
In installation method of the present invention, in addition to step：
Multiple fixing devices for being used to install multiple frequency modulation PA-systems are provided with the side in the space.
Therefore, the invention has the advantages that by setting different frequent points to be not only increased with FM transmission audio signal
The antijamming capability of telecontrol engineering, also improve the reliability of smart home communication；Realize multichannel around solid by frequency modulation
Sound；Modulating emission circuit is applied in smart home, improves the adventure in daily life of people, enriches Intelligent housing function.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of structural representation of multichannel surround-sound system provided by the invention；
Fig. 2 is a kind of module frame chart of modulating emission circuit provided by the invention；
Fig. 3 is FM transmission antenna, signal amplification circuit and the FM transmission electric supply installation that one embodiment of the invention provides
Structural representation；
Fig. 4 be one embodiment of the invention provide FM transmission chip, transmitting microprocessor, tranmitting frequency code switch,
The structural representation of audio signal socket and audio Bluetooth socket；
Fig. 5 is a kind of module frame chart of FM reception circuit provided by the invention；
Fig. 6 is FM reception antenna, FM reception chip, reception microprocessor and the reception that one embodiment of the invention provides
The structural representation of frequency coding switch；
Fig. 7 is amplification driving circuit, amplifier, loudspeaker and the FM reception electric supply installation that one embodiment of the invention provides
Structural representation.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, it is detailed to compare accompanying drawing below
Illustrate the embodiment of the present invention.It should be appreciated that following explanation is only being specifically described for the embodiment of the present invention, should not be with this
Limit the scope of the invention.
The present invention provides a kind of multichannel surround-sound system 100 and installation method, it is intended that by setting not
With frequency with FM transmission audio signal, the antijamming capability of telecontrol engineering is not only increased, also improves smart home communication
Reliability；Multichannel surround sound is realized by frequency modulation；Modulating emission circuit 10 is applied in smart home, improves people
Adventure in daily life, enrich Intelligent housing function.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of multichannel surround-sound system 100 provided by the invention, and this is more
Sound channel surround-sound system 100 includes audio emitting device 1 and multiple frequency modulation PA-systems 2；The frequency modulation PA-system 2 can
To apply in light fixture, such as Down lamp, by the way that multiple Down lamps including the frequency modulation PA-system 2 will be installed in same indoor day
The diverse location of card, realize the effect of indoor surround sound.And the audio input of audio emitting device 1 has 2 tunnels：Wired input and
It is wirelessly input to, wired input, can be by the audio signal of television set, CD-ROM device or other equipment by the AUX interfaces on transmitter
Access；It is wirelessly input to by bluetooth connection mode, the audio signal that the mobile phone of Bluetooth pairing plays can be launched, confession is multiple
Receiving unit playback, so as to realize the interaction of light and music.It may be mounted at the indoor place nearer from audio, such as television set
Side, by setting audio emitting device 1, the sound of television set is sent to multiple frequency modulation sound equipments by the audio emitting device 1
Device 2, multiple frequency modulation PA-systems 2 can simultaneously sounding.
Referring to Fig. 2, Fig. 2 is a kind of module frame chart of modulating emission circuit 10 provided by the invention, the audio emission dress
Putting 1 includes being used for the modulating emission circuit 10 for launching audio FM；
The modulating emission circuit 10 include FM transmission antenna 101, signal amplification circuit 102, FM transmission chip 103,
Launch microprocessor 104, tranmitting frequency code switch 105, audio signal socket 106 and audio Bluetooth socket 107.
FM transmission antenna 101 is used to launch FM signal；Its tuning range launched is 88MHz-110MHz.
Signal amplification circuit 102 is electrically connected at the FM transmission antenna 101；Fig. 3 is participated in, Fig. 3 is real for the present invention one
Apply the structural representation of FM transmission antenna 101, signal amplification circuit 102 and FM transmission electric supply installation 108 that example provides, letter
Number amplifying circuit 102 includes the first triode 21, the second triode 22 and filter circuit 23, in addition to inductance L10, inductance L11,
Electric capacity C26, electric capacity C4, electric capacity C5, inductance L6, electric capacity C3, resistance R25, resistance R1, electric capacity C38, inductance L14 and inductance L1.
One end of filter circuit 23 is electrically connected at the colelctor electrode of second triode 22, and the other end is electrically connected at institute
State FM transmission antenna 101.The filter circuit 23 includes electric capacity C36, electric capacity C37, electric capacity C33, electric capacity C35, electric capacity C27, electricity
Feel L12 and inductance L13, electric capacity C37 one end is connected to modulating emission circuit 10, and the electric capacity C37 other end is connected to electric capacity C36
One end and inductance L13 one end, the inductance L13 other end is connected to inductance L12 one end, and electric capacity C35 is connected to inductance L12
Between inductance L13, the inductance L12 other end is connected to C27 one end, electric capacity C33 be connected to inductance L12 in electric capacity C12 it
Between.
Electric capacity C27 is connected to one end of the colelctor electrode of the second triode 22, inductance L11 one end and electric capacity C26, inductance
The L11 other end be connected to inductance L10 one end, the electric capacity C26 other end, electric capacity C4 one end, electric capacity C5 one end and
Inductance L6 one end, the ground level of the second triode 22 are connected to resistance R25 one end and electric capacity C3 one end, and electric capacity C3's is another
End is connected to the inductance L6 other end and the colelctor electrode of the first triode 21, the ground level of the first triode 21 are connected to electric capacity C1's
One end and resistance R1 one end, the electric capacity C1 other end are connected to inductance L1 one end and interface 1201, the resistance R1 other end
Electric capacity C38 one end and inductance L14 one end are connected to, the inductance L14 other end is connected to interface 1202, and interface 1202 is used for
Access+3.6V voltages.
FM transmission chip 103 is electrically connected at the signal amplification circuit 102；It is real for the present invention one referring to Fig. 4, Fig. 4
FM transmission chip 103, transmitting microprocessor 104, tranmitting frequency code switch 105, the audio signal socket 106 of example offer are provided
And the structural representation of audio Bluetooth socket 107.FM transmission chip 103 is U4, and U4 port RFO is connected to interface 1201,
Its port VIO and port VDD is connected to one end of electric capacity C6 one end, electric capacity C7 one end and resistance R3, and resistance R3's is another
One end is connected to interface 1202 with access+3.6V voltages.
Transmitting microprocessor 104 is electrically connected at the FM transmission chip 103；Transmitting microprocessor 104 is MCU1,
Port SDA and port SCL, MCU1 that MCU1 port 5 and port 6 is respectively connecting to U4 port 1 are connected to the one of electric capacity C2
The one end at end, electric capacity C14 one end and resistance R4, the resistance R4 other end are connected to interface 202 with access+3.6V voltages.
Tranmitting frequency code switch 105 is used to adjust launching frequency, is electrically connected at the transmitting microprocessor 104；Hair
Radio frequency rate code switch 105 includes three sub switchs parallel with one another, to switch the transmitting of the FM transmission antenna 101 frequency
Point.These three sub switchs are respectively sub switch A, sub switch B and sub switch C, sub switch A, sub switch B and sub switch C one end
It is grounded, the sub switch A other end is connected to MCU1 port 3 by resistance R2, and the sub switch B other end passes through resistance R19
MCU2 port 4 is connected to, the sub switch C other end is connected to MCU2 port 7 by resistance R22.Referring to Fig. 3, three sons
Switch is respectively sub switch A, sub switch B and sub switch C, produces signal 1 during switch closure, signal 0, therefore three are produced during disconnection
Individual sub switch can realize eight kinds of different signals, such as following table by switch combination：
| f1 | f2 | f3 | f4 | f5 | f6 | f7 | f8 | |
| A | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| B | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
| C | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |
By the various combination of three sub switchs, 8 kinds of different frequencies are can correspond to.
For example, f1 is 88MHz, when sub switch A disconnections, sub switch B disconnections, when sub switch C is closed, FM transmission antenna
101 working frequency points are f1 88MHz, by that analogy.
Audio signal socket 106 is used for grafting COBBAIF, is electrically connected at the FM transmission chip 103；Preferably,
The modulating emission circuit 10 also includes socket drive circuit 109, and its one end is electrically connected at the FM transmission chip 103, separately
One end is electrically connected at the audio signal socket 106 and the audio Bluetooth socket 107, i.e. socket drive circuit 109 connects
It is connected between audio signal interface and FM transmission chip 103.Socket drive circuit 109 includes electric capacity C20, electric capacity C19, resistance
R9, resistance R11, inductance L8, inductance L9, resistance R8, resistance R10, electric capacity C17, electric capacity C18, resistance R6 and resistance R7.Audio is believed
Number socket 106 is AUX-IN sockets, i.e. audio input interface, for receiving the effect audio communication gone out handled by external effect device, or
Act as extra input sound channel.Audio signal socket 106 includes the end 1062 of first end 1061 and second, and first end 1061 is successively
U4 port ARI is connected to by electric capacity C20, resistance R11, inductance L8, electric capacity C17 and resistance R6, resistance R10 is connected to inductance
Between L8 and electric capacity C17；Second end 1062 passes sequentially through electric capacity C19, resistance R9, inductance L9, electric capacity C18 and resistance R7 and is connected to
U4 port ALI, resistance R8 are connected between inductance L9 and electric capacity C18.
Audio Bluetooth socket 107 is used for grafting bluetooth module, is electrically connected at the FM transmission chip 103.Audio is blue
Eye cutting seat 107 is BLE2, including port AL-I, port AR-I, port GND and the power port for accessing+3.6V voltages, end
Mouth AL-I passes sequentially through the first end 1061 that electric capacity C39 and resistance R13 is connected to audio signal socket 106, and port AR-I is successively
The second end 1062 of audio signal socket 106 is connected to by electric capacity C40 and resistance R24.Resistance R23 and resistance R26 one end
It is respectively connecting to another termination at the end 1062 of first end 1061 and second of audio signal socket 106, resistance R23 and resistance R26
Ground.
Preferably, the modulating emission circuit 10 also includes FM transmission electric supply installation 108, is electrically connected at the signal and puts
Big circuit 102, the FM transmission chip 103, the audio Bluetooth socket 107 and the transmitting microprocessor 104；The tune
Take place frequently penetrate electric supply installation 108 include be electrically connected at the signal amplification circuit 102 FM transmission power supply circuit 1081 and
FM transmission mu balanced circuit 1082, the input of the FM transmission mu balanced circuit 1082 are connected to the FM transmission power supply electricity
Road 1081, the output end of the FM transmission mu balanced circuit 1082 are electrically connected at the FM transmission chip 103, the audio
Bluetooth socket 107 and the transmitting microprocessor 104.
Preferably, the modulating emission circuit 10 also includes being used for the transmitting LED TX- for showing FM signal emission state
LED, it is electrically connected at the transmitting microprocessor 104.Transmitting LED TX-LED positive pole is connected to MCU1's by resistance R5
Port 2.
Each frequency modulation PA-system 2 includes being used for the FM reception circuit for receiving the audio FM and playing
20。
Referring to Fig. 5, Fig. 5 is a kind of module frame chart of FM reception circuit 20 provided by the invention, the FM reception circuit
20 include FM reception antenna 201, FM reception chip 202, receive microprocessor 203, receives frequency code switch 204, put
Big drive circuit 205, amplifier 206 and loudspeaker 207.
FM reception antenna 201 is used to receive FM signal, and its tuning range received is 88MHz-110MHz.
FM reception chip 202 is electrically connected at the FM reception antenna 201；It is real for the present invention one referring to Fig. 6, Fig. 6
FM reception antenna 201, FM reception chip 202, reception microprocessor 203 and the receives frequency code switch of example offer are provided
204 structural representation, FM reception chip 202 are the U2 in Fig. 2, and its port FMIN is connected to electric capacity C25 one end, electric capacity
The C25 other end is connected to one end of electric capacity C10 one end, inductance L5 one end and electric capacity C11, the electric capacity C10 other end
And inductance L5 other end ground connection, the electric capacity C11 other end are connected to inductance L4 one end, the inductance L4 other end is connected to tune
Frequency reception antenna 201.
Receive microprocessor 203 and be electrically connected at the FM reception chip 202；It is in Fig. 2 to receive microprocessor 203
MCU2, its port 5 are connected to U2 port SDA, and port 6 is connected to U2 port SCLK.
The receives frequency code switch 204 of frequency is received for adjusting, is electrically connected at the reception microprocessor 203；
Receives frequency code switch 204 includes three sub switchs parallel with one another, to switch the reception of the FM reception antenna 201 frequency
Point.These three sub switchs are respectively sub switch A, sub switch B and sub switch C, sub switch A, sub switch B and sub switch C one end
It is grounded, the sub switch A other end is connected to MCU2 port 3 by resistance R17, and the sub switch B other end passes through resistance R14
MCU2 port 4 is connected to, the sub switch C other end is connected to MCU2 port 7 by resistance R21.Receives frequency coding is opened
Close 204 sub switch A, sub switch B and sub switch C and sub switch A, sub switch B and the sub switch of tranmitting frequency code switch 105
C operation principles are identical, will not be repeated here.
Amplification driving circuit 205 is electrically connected at the FM reception chip 202；Amplifier 206 is electrically connected at described
Amplification driving circuit 205；The amplifier 206 is class ab ammplifier 206, and class ab ammplifier 206 is to rely on bias current
The combination device of the A classes and class-b amplifier 206 of size and output level, the biasing of class ab ammplifier 206 is between class-a amplifier
Between 206 and class-b amplifier 206.The efficiency far of AB classes is more than class-a amplifier 206 and slightly below class-b amplifier 206.AB classes
The biasing of amplifier 206 can cover the operation interval mutual for two transistors for working in symmetrical operation mode.While by
Do not disturb FM to receive frequency range in class ab ammplifier 206, be highly suitable for this equipment.Implement referring to Fig. 7, Fig. 7 for the present invention one
The structural representation of amplification driving circuit 205, amplifier 206, loudspeaker 207 and electric supply installation 7 that example provides, amplifier 206 are
U3 in Fig. 3, in amplification driving circuit 205, U3 port 4 passes sequentially through resistance R36, electric capacity C32, inductance L7, resistance R34
And electric capacity C28 is connected to interface 2101, interface 101 is connected to U2 port ROUT by resistance R33.U3 port 3 is connected to
Resistance R20 one end, the resistance R20 other end are connected to electric capacity C30 one end and are connected between inductance L7 and resistance R34,
The electric capacity C30 other end is connected to electric capacity C29 one end and is connected between resistance R34 and electric capacity C28, and electric capacity C29's is another
End is connected to interface 2102, and such as Fig. 2, interface 102 is connected to U2 port LOUT by resistance R31.U3 port 2 is connected to electricity
Hold C34 one end, the C34 other end is connected to resistance R20 one end and resistance R18 one end, resistance R18 other end connection
To electric capacity C13, the electric capacity C13 other end is connected between inductance L7 and resistance R34.
Loudspeaker 207 are electrically connected at the amplifier 206.One end of loudspeaker 207 is connected to electric capacity C15 one end and inductance
L2 one end, the other end of loudspeaker 207 are connected to electric capacity C16 one end and inductance L3 one end, inductance L2 other end connection
To U3 port 5, the inductance L3 other end is connected to U3 port 8.
Preferably, the FM reception circuit 20 also includes FM reception electric supply installation 208, is electrically connected at the amplification
Device 206, the FM reception chip 202 and the reception microprocessor 203；
The FM reception electric supply installation 208 includes the FM reception power supply circuit for being electrically connected at the amplifier 206
2081 and FM reception mu balanced circuit 2082, the input of the FM reception mu balanced circuit 2082 be connected to the frequency modulation and connect
Power supply circuit 2081 is received, the output end of the FM reception mu balanced circuit 2082 is electrically connected at the FM reception chip 202
And the reception microprocessor 203.
Preferably, the FM reception circuit 20 also includes receiving LED RX-LED, receives LED RX-LED and is used to show
The reception LED of FM signal reception state, it is electrically connected at the reception microprocessor 203.Receive LED RX-LED just
Pole is connected to MCU2 port 2 by resistance R16.
The present invention also provides a kind of installation method of multichannel surround-sound system 100, by as described above a kind of
Multichannel surround-sound system 100 realizes that the installation method includes step S1-S2：
S1, the spatial positional information for obtaining space；The step S1 includes sub-step S11-S13：
S11, the audio occurrence of equipment for obtaining space and Riding Accommodation spatial positional information；For example, space is parlor, sound
The generating apparatus that takes place frequently is the television set in parlor, and Riding Accommodation is the sofa in parlor.Obtain the length, width and height and TV in the parlor
The positional information of machine and sofa, or obtain the plane drawing in the parlor and the heights of ceilings in parlor etc..
S12, the audio occurrence of equipment is arranged to access audio-frequency information by the audio emitting device 1 is neighbouring；For example,
Audio emitting device 1 is positioned over above television set, so as to make FM transmission channel good.It can also need to put according to client
Put, 1 need of audio emitting device by connection come on TV machine output audio；If audio occurrence of equipment is mobile phone, audio
Emitter 1 connects default bluetooth module by audio Bluetooth socket 107, then establishes bluetooth by bluetooth module and the mobile phone
Connection, by blue tooth transmission audio frequency information, i.e. mobile phone sends Bluetooth signal and is transferred to bluetooth module, and bluetooth module grafting audio is blue
Eye cutting seat 107, so that the Bluetooth signal transmission is to audio emitting device 1.
The position that S13, the position according to the audio emitting device 1 calculate multiple frequency modulation PA-systems 2 sets model
Enclose.In general parlor all in the FM transmission of audio emitting device 1 in the range of, in this way, multiple frequency modulation PA-systems 2
It is any position in the parlor that position, which sets scope,.If parlor causes audio emitting device 1 not cover because of too big
Whole living room, now need to calculate the transmitting boundary of audio emitting device 1, generally using the position of audio emitting device 1 as circle
The heart, the most long distance of transmitting are the circle of radius, and it is the circle that the position of multiple frequency modulation PA-systems 2, which sets scope,
Domain.
S2, according to the spatial positional information by multiple frequency modulation PA-systems 2 be arranged on the space bottom surface and/
Or top surface and/or side.The step S2 includes sub-step S21-S22：
S21, the spatial positional information according to the Riding Accommodation calculate setting for the multichannel surround-sound system 100
Seated position；That is sofa of the multichannel surround-sound system 100 typically according to parlor is as installation warrants, for example, more sound
The frequency modulation PA-system 2 of road surround-sound system 100 is arranged on four corners in parlor, or is evenly provided on sofa week
Enclose it is left front, right before, it is left back, right after four direction.
S22, the set location is judged whether within the scope of the setting of the position, if so, then according to the setting
Multiple frequency modulation PA-systems 2 are installed in position, if it is not, then recalculating setting for the multichannel surround-sound system 100
Seated position.Usually, as long as the FM transmission scope of audio emitting device 1 can cover whole living room, then need not recalculate
The set location of the multichannel surround-sound system 100.If the set location of the multichannel surround-sound system 100
Beyond the FM transmission scope of audio emitting device 1, setting for the multichannel surround-sound system 100 need to be just recalculated
Seated position.
Preferably, the installation method also includes step S3：
S3, the top surface in the space open up multiple perforates for being used to install multiple frequency modulation PA-systems 2.For example,
Frequency modulation PA-system 2 is Down lamp, multiple perforates for being used to install multiple Down lamps now need to be only opened up in the furred ceiling in parlor, this
Down lamp is arranged on the position of opening.In this way, not only make use of the illumination functions of Down lamp, sound equipment work(has also been added in Down lamp
Can, the function of Down lamp is enriched, and because Down lamp generally covers whole living room, easily reach multichannel surround sound
Effect.
Preferably, the installation method also includes step S4：
S4, multiple fixing devices for being used to install multiple frequency modulation PA-systems 2 are provided with the side in the space.
For example, setting multiple fixing devices for being used to install multiple frequency modulation PA-systems 2 on the wall in parlor, fixing device can
With the Music centre loudspeaker 207 that fixation is heavier, in this way, not only having saved the space in parlor, it is ensured that each Music centre loudspeaker
207 tonequality, make the better of multichannel surround sound.
There is provided herein the various operations of embodiment.In one embodiment, described one or operation may be constructed one
The computer-readable instruction stored on individual or computer-readable medium, it will be so that computing device be held when being performed by electronic equipment
The row operation.Describing the orders of some or all of operations, to should not be construed as to imply that these operations necessarily order dependent
's.It will be appreciated by those skilled in the art that the alternative sequence of the benefit with this specification.Furthermore, it is to be understood that it is not institute
There is operation to exist in each embodiment provided in this article.
Moreover, word " preferable " used herein means serving as example, example or illustration.Feng Wen is described as " preferably
" any aspect or design be not necessarily to be construed as than other aspect or design it is more favourable.On the contrary, the use purport of word " preferable "
Concept is being proposed in a concrete fashion.Term "or" as used in this application is intended to mean the "or" included and non-excluded
"or".I.e., unless otherwise or clear from the context, " X means that nature includes any one of arrangement using A or B ".
That is, if X uses A；X uses B；Or X uses A and B both, then " X is met using A or B " in foregoing any example.
Moreover, although having shown and described the disclosure relative to one or implementation, but people in the art
Member is based on the reading to the specification and drawings and understands it will be appreciated that equivalent variations and modification.The disclosure includes all such
Modifications and variations, and be limited only by the scope of the following claims.In particular, to by said modules (such as element, resource
Deng) various functions that perform, the term for describing such component is intended to correspond to the specified function (example for performing the component
As it is functionally of equal value) random component (unless otherwise instructed), in structure with perform shown in this article
The open structure of function in disclosed exemplary implementations is not equivalent.In addition, the although special characteristic of the disclosure phase
Be disclosed for the only one in some implementations, but this feature can with such as can be for given or application-specific
It is it is expected one or other combinations of features with other favourable implementations.Moreover, with regard to term " comprising ", " having ", " contain
Have " or its deformation be used in embodiment or claim for, such term be intended to with term " include " phase
As mode include.
Each functional unit in the embodiment of the present invention can be integrated in a processing module or unit list
Solely be physically present, can also two or more units be integrated in a module.Above-mentioned integrated module can both use
The form of hardware is realized, can also be realized in the form of software function module.If the integrated module is with software function
The form of module is realized and is used as independent production marketing or is situated between in use, a computer-readable storage can also be stored in
In matter.Storage medium mentioned above can be read-only storage, disk or CD etc..Above-mentioned each device or system, can be with
Perform the method in correlation method embodiment.
In summary, although the present invention is disclosed above with preferred embodiment, above preferred embodiment simultaneously is not used to limit
The system present invention, one of ordinary skill in the art, without departing from the spirit and scope of the present invention, it can make various changes and profit
Decorations, therefore protection scope of the present invention is defined by the scope that claim defines.
Claims (10)
1. a kind of multichannel surround-sound system, it is characterised in that filled including audio emitting device and multiple frequency modulation sound equipments
Put；
The audio emitting device includes being used for the modulating emission circuit for launching audio FM；
Each frequency modulation PA-system includes being used for the FM reception circuit for receiving the audio FM and playing.
2. multichannel surround-sound system according to claim 1, it is characterised in that the modulating emission circuit bag
Include：
For launching the FM transmission antenna of FM signal；
Signal amplification circuit, it is electrically connected at the FM transmission antenna；
FM transmission chip, it is electrically connected at the signal amplification circuit；
Launch microprocessor, be electrically connected at the FM transmission chip；
For adjusting the tranmitting frequency code switch of launching frequency, the transmitting microprocessor is electrically connected at；
For the audio signal socket of grafting COBBAIF, the FM transmission chip is electrically connected at；
For the audio Bluetooth socket of grafting bluetooth module, the FM transmission chip is electrically connected at.
3. multichannel surround-sound system according to claim 2, it is characterised in that the modulating emission circuit also wraps
FM transmission electric supply installation is included, the signal amplification circuit, the FM transmission chip, the audio bluetooth is electrically connected at and inserts
Seat and the transmitting microprocessor；
The FM transmission electric supply installation include be electrically connected at the signal amplification circuit FM transmission power supply circuit and
FM transmission mu balanced circuit, the input of the FM transmission mu balanced circuit is connected to the FM transmission power supply circuit, described
The output end of FM transmission mu balanced circuit is electrically connected at the FM transmission chip, the audio Bluetooth socket and the transmitting
Microprocessor.
4. multichannel surround-sound system according to claim 1, it is characterised in that the FM reception circuit bag
Include：
For receiving the FM reception antenna of FM signal；
FM reception chip, it is electrically connected at the FM reception antenna；
Microprocessor is received, is electrically connected at the FM reception chip；
The receives frequency code switch of frequency is received for adjusting, is electrically connected at the reception microprocessor；
Amplification driving circuit, it is electrically connected at the FM reception chip；
Amplifier, it is electrically connected at the amplification driving circuit；
Loudspeaker, it is electrically connected at the amplifier.
5. multichannel surround-sound system according to claim 4, it is characterised in that the FM reception circuit also wraps
FM reception electric supply installation is included, is electrically connected at the amplifier, the FM reception chip and the reception microprocessor；
The FM reception electric supply installation includes the FM reception power supply circuit for being electrically connected at the amplifier and frequency modulation connects
Mu balanced circuit is received, the input of the FM reception mu balanced circuit is connected to the FM reception power supply circuit, and the frequency modulation connects
The output end for receiving mu balanced circuit is electrically connected at the FM reception chip and the reception microprocessor.
6. a kind of installation method of multichannel surround-sound system, there is provided one kind as described in claim any one of 1-5 is more
Sound channel surround-sound system, it is characterised in that including step：
Obtain the spatial positional information in space；
Multiple frequency modulation PA-systems are arranged on to bottom surface and/or the top surface in the space according to the spatial positional information
And/or side.
7. installation method according to claim 6, it is characterised in that it is described obtain space spatial positional information the step of
Including following sub-step：
Obtain the audio occurrence of equipment in space and the spatial positional information of Riding Accommodation；
The audio occurrence of equipment is arranged to access audio-frequency information by the audio emitting device is neighbouring；
The position that position according to the audio emitting device calculates multiple frequency modulation PA-systems sets scope.
8. installation method according to claim 7, it is characterised in that it is described according to the spatial positional information by multiple institutes
Stating the step of frequency modulation PA-system is arranged on bottom surface and/or the top surface in the space includes sub-step：
Spatial positional information according to the Riding Accommodation calculates the set location of the multichannel surround-sound system；
Within the scope of judging whether the set location is set in the position, if so, then being installed according to the set location
Multiple frequency modulation PA-systems, if it is not, then recalculating the set location of the multichannel surround-sound system.
9. installation method according to claim 6, it is characterised in that also including step：
Top surface in the space opens up multiple perforates for being used to install multiple frequency modulation PA-systems.
10. installation method according to claim 6, it is characterised in that also including step：
Multiple fixing devices for being used to install multiple frequency modulation PA-systems are provided with the side in the space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142213.3A CN107872754A (en) | 2016-12-12 | 2016-12-12 | A kind of multichannel surround-sound system and installation method |
| PCT/CN2017/086175 WO2018107670A1 (en) | 2016-12-12 | 2017-05-26 | Multichannel surround sound system and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142213.3A CN107872754A (en) | 2016-12-12 | 2016-12-12 | A kind of multichannel surround-sound system and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107872754A true CN107872754A (en) | 2018-04-03 |
Family
ID=61761963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611142213.3A Pending CN107872754A (en) | 2016-12-12 | 2016-12-12 | A kind of multichannel surround-sound system and installation method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107872754A (en) |
| WO (1) | WO2018107670A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135222Y (en) * | 1991-02-27 | 1993-06-02 | 叶宁宁 | Frequency-modulation stereo transmitter and radio active voice box |
| CN2580694Y (en) * | 2002-11-15 | 2003-10-15 | 罗沙那 | Wireless connection device for acoustic equipment |
| CN1627648A (en) * | 2003-12-12 | 2005-06-15 | 信邦电子股份有限公司 | Wireless music player |
| CN201130933Y (en) * | 2007-11-27 | 2008-10-08 | 蔡南星 | Wireless acoustic enclosure |
| JP2011010183A (en) * | 2009-06-29 | 2011-01-13 | Yamaha Corp | Music reproduction system, mobile terminal device and music reproduction program |
| CN203872353U (en) * | 2014-02-12 | 2014-10-08 | 深圳市日上光电股份有限公司 | Wireless sound device control system |
| CN104871558A (en) * | 2012-11-28 | 2015-08-26 | 高通股份有限公司 | Image generation for collaborative sound systems |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10110422A1 (en) * | 2001-03-05 | 2002-09-19 | Harman Becker Automotive Sys | Method for controlling a multi-channel sound reproduction system and multi-channel sound reproduction system |
| CN102572670A (en) * | 2010-12-27 | 2012-07-11 | 北京华旗随身数码股份有限公司 | One-to-many wireless frequency modulation (FM) loudspeaker box system |
| CN203691612U (en) * | 2013-12-03 | 2014-07-02 | 吴大军 | Cluster type multifunctional audio communication system |
| CN205320264U (en) * | 2015-12-30 | 2016-06-15 | 欧普照明股份有限公司 | Bluetooth sound system |
-
2016
- 2016-12-12 CN CN201611142213.3A patent/CN107872754A/en active Pending
-
2017
- 2017-05-26 WO PCT/CN2017/086175 patent/WO2018107670A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135222Y (en) * | 1991-02-27 | 1993-06-02 | 叶宁宁 | Frequency-modulation stereo transmitter and radio active voice box |
| CN2580694Y (en) * | 2002-11-15 | 2003-10-15 | 罗沙那 | Wireless connection device for acoustic equipment |
| CN1627648A (en) * | 2003-12-12 | 2005-06-15 | 信邦电子股份有限公司 | Wireless music player |
| CN201130933Y (en) * | 2007-11-27 | 2008-10-08 | 蔡南星 | Wireless acoustic enclosure |
| JP2011010183A (en) * | 2009-06-29 | 2011-01-13 | Yamaha Corp | Music reproduction system, mobile terminal device and music reproduction program |
| CN104871558A (en) * | 2012-11-28 | 2015-08-26 | 高通股份有限公司 | Image generation for collaborative sound systems |
| CN203872353U (en) * | 2014-02-12 | 2014-10-08 | 深圳市日上光电股份有限公司 | Wireless sound device control system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018107670A1 (en) | 2018-06-21 |
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