WO2018107670A1 - Système sonore ambiophonique multicanal et procédé de montage - Google Patents

Système sonore ambiophonique multicanal et procédé de montage Download PDF

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Publication number
WO2018107670A1
WO2018107670A1 PCT/CN2017/086175 CN2017086175W WO2018107670A1 WO 2018107670 A1 WO2018107670 A1 WO 2018107670A1 CN 2017086175 W CN2017086175 W CN 2017086175W WO 2018107670 A1 WO2018107670 A1 WO 2018107670A1
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WIPO (PCT)
Prior art keywords
receiving
transmitting
audio
electrically connected
circuit
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Application number
PCT/CN2017/086175
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English (en)
Chinese (zh)
Inventor
黄新
陈辉萍
张文彬
汪序凯
朱荆莲
彭灵
俞伟良
钟城广
肖胜男
王炳锋
黄睿
陈海裕
黄广亮
陈进银
张燕
唐志元
王岩
Original Assignee
深圳佳比泰智能照明股份有限公司
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Publication of WO2018107670A1 publication Critical patent/WO2018107670A1/fr

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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

Definitions

  • the present invention relates to the field of frequency modulation communication technologies, and in particular, to a multi-channel surround sound system and a mounting method thereof.
  • the object of the present invention is to provide a multi-channel surround sound system and a mounting method thereof, which can solve the problem that the smart signal cannot be transmitted by frequency modulation in the smart home in the prior art, and the anti-interference ability of the remote control technology is weak, the networking is inconvenient, the reliability is general, and the method cannot be passed.
  • FM solves the problem of multi-channel surround sound.
  • the present invention provides a multi-channel surround sound system including an audio transmitting device and a plurality of FM audio devices;
  • the audio transmitting device includes an FM transmitting circuit for transmitting an audio FM signal
  • Each of the FM audio devices includes a frequency modulation receiving circuit for receiving the audio frequency modulated signal and playing.
  • the FM transmission circuit includes:
  • An FM transmitting antenna for transmitting a frequency modulated signal
  • the FM transmitting chip is electrically connected to the signal amplifying circuit
  • a transmit frequency encoding switch for adjusting a transmission frequency point, electrically connected to the transmitting microprocessor
  • An audio signal socket for plugging in an audio interface electrically connected to the FM transmitting chip
  • An audio Bluetooth socket for plugging in the Bluetooth module is electrically connected to the FM transmitter chip.
  • the FM transmitting circuit further includes an FM transmitting power supply device electrically connected to the signal amplifying circuit, the FM transmitting chip, the audio Bluetooth socket, and the Transmitting a microprocessor;
  • the FM transmit power supply device includes an FM transmit power supply circuit electrically connected to the signal amplifying circuit and an FM transmit voltage stabilization circuit, and an input end of the FM transmit voltage stabilization circuit is connected to the FM transmit power supply circuit, and the frequency modulation is performed.
  • the output end of the transmitting voltage stabilizing circuit is electrically connected to the FM transmitting chip, the audio Bluetooth socket and the transmitting microprocessor.
  • the FM receiving circuit includes:
  • An FM receiving antenna for receiving a frequency modulated signal
  • the FM receiving chip is electrically connected to the FM receiving antenna
  • a receiving frequency encoding switch for adjusting a receiving frequency point, electrically connected to the receiving microprocessor
  • An amplification driving circuit electrically connected to the FM receiving chip
  • An amplifier electrically connected to the amplification driving circuit
  • a speaker is electrically connected to the amplifier.
  • the FM receiving circuit further includes an FM receiving power supply device electrically connected to the amplifier, the FM receiving chip, and the receiving microprocessor;
  • the FM receiving power supply device includes an FM receiving power supply circuit electrically connected to the amplifier, and an FM receiving voltage stabilizing circuit, wherein an input end of the FM receiving voltage stabilizing circuit is connected to the FM receiving power supply circuit, and the FM receiving and receiving is stable
  • the output end of the voltage circuit is electrically connected to the FM receiving chip and the receiving microprocessor.
  • a method of installing a multi-channel surround sound system which provides a multi-channel surround sound system as described above, including the steps of:
  • a plurality of said FM audio devices are disposed on a bottom surface and/or a top surface and/or a side surface of said space in accordance with said spatial position information.
  • the step of acquiring spatial location information of the space includes the following sub-steps:
  • the step of disposing a plurality of the FM audio devices on a bottom surface and/or a top surface of the space according to the spatial position information comprises the substeps:
  • the method further includes the steps of:
  • a plurality of openings for mounting a plurality of the FM audio devices are disposed on a top surface of the space.
  • the method further includes the steps of:
  • a plurality of fixing means for mounting a plurality of said FM audio devices are disposed on a side of said space.
  • the beneficial effects of the present invention are that by setting different frequency points to transmit audio signals by frequency modulation, not only the anti-interference ability of the remote control technology is improved, but also the reliability of the smart home communication is improved; multi-channel surround sound is realized by frequency modulation;
  • the FM transmitting circuit is applied in the smart home to improve people's life experience and enrich the smart home control function.
  • FIG. 1 is a schematic structural diagram of a multi-channel surround sound system provided by the present invention.
  • FIG. 2 is a block diagram of a frequency modulation transmitting circuit provided by the present invention.
  • FIG. 3 is a schematic structural diagram of an FM transmitting antenna, a signal amplifying circuit, and an FM transmitting and powering device according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a frequency modulation transmitting chip, a transmitting microprocessor, a transmitting frequency encoding switch, an audio signal socket, and an audio Bluetooth socket according to an embodiment of the present invention
  • FIG. 5 is a block diagram of a frequency modulation receiving circuit provided by the present invention.
  • FIG. 6 is a schematic structural diagram of a frequency modulation receiving antenna, a frequency modulation receiving chip, a receiving microprocessor, and a receiving frequency encoding switch according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of an amplifying driving circuit, an amplifier, a speaker, and an FM receiving and powering device according to an embodiment of the present invention.
  • the invention provides a multi-channel surround sound system 100 and an installation method thereof, the purpose of which is to improve the anti-interference ability of the remote control technology by setting different frequency points to transmit the audio signal by frequency modulation, and also improve the reliability of the smart home communication.
  • Multi-channel surround sound is realized by frequency modulation; the FM transmission circuit 10 is applied in a smart home to improve people's life experience and enrich the smart home control function.
  • FIG. 1 is a schematic structural diagram of a multi-channel surround sound system 100 according to the present invention.
  • the multi-channel surround sound system 100 includes an audio transmitting device 1 and a plurality of FM audio devices 2; It can be applied to a luminaire, such as a downlight, to achieve an indoor surround sound effect by installing a plurality of downlights including the FM sound unit 2 at different positions on the ceiling of the same room.
  • the audio input device of the audio transmitting device 1 has two channels: wired input and wireless input, and the wired input can be connected to the audio signal of the television, the optical disk drive or other device through the AUX interface on the transmitter; the wireless input is connected through the Bluetooth.
  • the audio signal played by the Bluetooth paired mobile phone can be transmitted out for playing by multiple receiving units, thereby realizing the interaction between the light and the music.
  • FIG. 2 is a block diagram of a frequency modulation transmitting circuit 10 according to the present invention.
  • the audio transmitting device 1 includes an FM transmitting circuit 10 for transmitting an audio frequency modulated signal.
  • the FM transmitting circuit 10 includes an FM transmitting antenna 101, a signal amplifying circuit 102, an FM transmitting chip 103, a transmitting microprocessor 104, a transmitting frequency encoding switch 105, an audio signal socket 106, and an audio Bluetooth socket 107.
  • the FM transmitting antenna 101 is used for transmitting a frequency modulated signal; the frequency range of the transmitting is 88 MHz-110 MHz.
  • the signal amplifying circuit 102 is electrically connected to the FM transmitting antenna 101;
  • FIG. 3 is a schematic structural diagram of the FM transmitting antenna 101, the signal amplifying circuit 102, and the FM transmitting and powering device 108 according to an embodiment of the present invention, and the signal is amplified.
  • the circuit 102 includes a first transistor 21, a second transistor 22 and a filter circuit 23, and further includes an inductor L10, an inductor L11, a capacitor C26, a capacitor C4, a capacitor C5, an inductor L6, a capacitor C3, a resistor R25, and a resistor R1.
  • the filter circuit 23 includes a capacitor C36, a capacitor C37, a capacitor C33, a capacitor C35, a capacitor C27, an inductor L12, and an inductor L13.
  • One end of the capacitor C37 is connected to the frequency modulation transmitting circuit 10, and the other end of the capacitor C37 is connected to one end of the capacitor C36 and the inductor.
  • the capacitor C27 is connected to the collector of the second transistor 22, one end of the inductor L11 and one end of the capacitor C26, and the other end of the inductor L11 is connected to one end of the inductor L10, the other end of the capacitor C26, one end of the capacitor C4, and the capacitor C5.
  • One end and one end of the inductor L6, the base of the second transistor 22 is connected to one end of the resistor R25 and one end of the capacitor C3, and the other end of the capacitor C3 is connected to the other end of the inductor L6 and the collector of the first transistor 21.
  • the base of the first transistor 21 is connected to one end of the capacitor C1 and one end of the resistor R1.
  • the other end of the capacitor C1 is connected to one end of the inductor L1 and the interface 1201.
  • the other end of the resistor R1 is connected to one end of the capacitor C38 and the inductor.
  • One end of L14, the other end of inductor L14 Connected to interface 1202, which is used to access a +3.6V voltage.
  • the FM transmitting chip 103 is electrically connected to the signal amplifying circuit 102.
  • FIG. 4 is an FM transmitting chip 103, a transmitting microprocessor 104, a transmitting frequency encoding switch 105, and an audio signal socket 106 according to an embodiment of the present invention.
  • the FM transmitter chip 103 is U4, and the port RFO of U4 is connected to the interface 1201.
  • the port VIO and the port VDD are both connected to one end of the capacitor C6, one end of the capacitor C7 and one end of the resistor R3, and the other end of the resistor R3 is connected to the interface 1202. Connect to +3.6V voltage.
  • the transmitting microprocessor 104 is electrically connected to the FM transmitting chip 103; the transmitting microprocessor 104 is MCU1, the port 5 and the port 6 of the MCU1 are respectively connected to the port SDA and the port SCL of the U4, and the port 1 of the MCU1 is connected to the capacitor C2 One end, one end of the capacitor C14 and one end of the resistor R4, the other end of the resistor R4 is connected to the interface 202 to access a voltage of +3.6V.
  • the transmitting frequency encoding switch 105 is configured to adjust a transmitting frequency point and is electrically connected to the transmitting microprocessor 104.
  • the transmitting frequency encoding switch 105 includes three sub-switches connected in parallel to switch the transmitting frequency of the FM transmitting antenna 101. .
  • the three sub-switches are sub-switch A, sub-switch B and sub-switch C, one end of sub-switch A, sub-switch B and sub-switch C are grounded, and the other end of sub-switch A is connected to port 3 of MCU1 through resistor R2.
  • the other end of the sub-switch B is connected to the port 4 of the MCU 2 via a resistor R19, and the other end of the sub-switch C is connected to the port 7 of the MCU 2 via a resistor R22.
  • the three sub-switches are sub-switch A, sub-switch B and sub-switch C respectively.
  • the switch is closed, the signal 1 is generated, and when the switch is turned off, the signal 0 is generated. Therefore, the three sub-switches can realize eight different signals through the switch combination.
  • F1 F2 F3 F4 F5 F6 F7 F8 A 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 0 1 0 1 0 1 0 1 0 1
  • f1 is 88 MHz
  • sub-switch A is turned off
  • sub-switch B is turned off
  • sub-switch C is closed
  • the operating frequency of the FM transmitting antenna 101 is 88 MHz of f1, and so on.
  • the audio signal socket 106 is used for plugging in an audio interface, and is electrically connected to the FM transmitting chip 103;
  • the FM transmitting circuit 10 further includes a socket driving circuit 109, one end of which is electrically connected to the FM transmitting chip 103, and the other end of which is electrically connected to the audio signal socket 106 and the audio Bluetooth socket 107, that is, a socket.
  • the driving circuit 109 is connected between the audio signal interface and the FM transmitting chip 103.
  • the socket driving circuit 109 includes a capacitor C20, a capacitor C19, a resistor R9, a resistor R11, an inductor L8, an inductor L9, a resistor R8, a resistor R10, a capacitor C17, a capacitor C18, a resistor R6, and a resistor R7.
  • the audio signal socket 106 is an AUX-IN jack, that is, an audio input interface, for receiving the effect sound processed by the external effector or serving as an additional input channel.
  • the audio signal socket 106 includes a first end 1061 and a second end 1062.
  • the first end 1061 is sequentially connected to the port ARI of U4 through a capacitor C20, a resistor R11, an inductor L8, a capacitor C17 and a resistor R6, and the resistor R10 is connected to the inductor L8 and the capacitor.
  • the second end 1062 is connected to the port ALI of U4 through the capacitor C19, the resistor R9, the inductor L9, the capacitor C18 and the resistor R7, and the resistor R8 is connected between the inductor L9 and the capacitor C18.
  • the audio Bluetooth socket 107 is used for plugging in a Bluetooth module and is electrically connected to the FM transmitting chip 103.
  • the audio Bluetooth socket 107 is BLE2, and includes a port AL-I, a port AR-I, a port GND, and a power port for accessing a +3.6V voltage.
  • the port AL-I is sequentially connected to the audio signal socket 106 through a capacitor C39 and a resistor R13.
  • the first end 1061, the port AR-I is sequentially connected to the second end 1062 of the audio signal socket 106 through a capacitor C40 and a resistor R24.
  • One ends of the resistor R23 and the resistor R26 are respectively connected to the first end 1061 and the second end 1062 of the audio signal socket 106, and the other ends of the resistor R23 and the resistor R26 are grounded.
  • the FM transmitting circuit 10 further includes an FM transmitting and powering device 108 electrically connected to the signal amplifying circuit 102, the FM transmitting chip 103, the audio Bluetooth socket 107, and the transmitting microprocessor 104;
  • the FM transmit power supply device 108 includes an FM transmit power supply circuit 1081 electrically coupled to the signal amplifying circuit 102 and an FM transmit voltage stabilization circuit 1082.
  • the input end of the FM transmit voltage stabilization circuit 1082 is coupled to the FM transmit power supply circuit. 1081.
  • the output end of the FM transmission voltage stabilization circuit 1082 is electrically connected to the FM transmission chip 103, the audio Bluetooth socket 107, and the transmitting microprocessor 104.
  • the FM transmitting circuit 10 further includes a transmitting LED lamp TX-LED for displaying a transmission state of the FM signal, and is electrically connected to the transmitting microprocessor 104.
  • the anode of the transmitting LED lamp TX-LED is connected to port 2 of the MCU 1 via a resistor R5.
  • Each of the FM audio devices 2 includes an FM receiving circuit 20 for receiving and playing the audio FM signal.
  • FIG. 5 is a block diagram of a frequency modulation receiving circuit 20 according to the present invention.
  • the FM receiving circuit 20 includes an FM receiving antenna 201, an FM receiving chip 202, a receiving microprocessor 203, a receiving frequency encoding switch 204, and amplification.
  • the FM receiving antenna 201 is configured to receive a frequency modulated signal, and the frequency modulation range thereof is received from 88 MHz to 110 MHz.
  • the FM receiving chip 202 is electrically connected to the FM receiving antenna 201.
  • FIG. 6 is an FM receiving antenna 201, an FM receiving chip 202, a receiving microprocessor 203, and a receiving frequency encoding switch 204 according to an embodiment of the present invention.
  • Schematic diagram of the structure, the FM receiving chip 202 is U2 in FIG.
  • the port FMIN is connected to one end of the capacitor C25, and the other end of the capacitor C25 is connected to one end of the capacitor C10, one end of the inductor L5, and one end of the capacitor C11, the capacitor C10
  • the other end and the other end of the inductor L5 are grounded, the other end of the capacitor C11 is connected to one end of the inductor L4, and the other end of the inductor L4 is connected to the FM receiving antenna 201.
  • the receiving microprocessor 203 is electrically connected to the FM receiving chip 202; the receiving microprocessor 203 is the MCU 2 in FIG. 2, the port 5 is connected to the port SDA of U2, and the port 6 is connected to the port SCLK of U2.
  • the receiving frequency encoding switch 204 for adjusting the receiving frequency point is electrically connected to the receiving microprocessor 203.
  • the receiving frequency encoding switch 204 includes three sub-switches connected in parallel to switch the receiving frequency of the FM receiving antenna 201. point.
  • the three sub-switches are sub-switch A, sub-switch B and sub-switch C, one end of sub-switch A, sub-switch B and sub-switch C are grounded, and the other end of sub-switch A is connected to port 3 of MCU 2 through resistor R17.
  • the other end of the sub-switch B is connected to the port 4 of the MCU 2 via a resistor R14, and the other end of the sub-switch C is connected to the port 7 of the MCU 2 via a resistor R21.
  • the sub-switch A, the sub-switch B and the sub-switch C of the receiving frequency encoding switch 204 have the same working principle as the sub-switch A, the sub-switch B and the sub-switch C of the transmitting frequency encoding switch 105, and are not described herein again.
  • the amplifier driving circuit 205 is electrically connected to the FM receiving chip 202; the amplifier 206 is electrically connected to the amplifier driving circuit 205; the amplifier 206 is a class AB amplifier 206, and the class AB amplifier 206 is dependent on the magnitude of the bias current.
  • Combination of Class A and Class B amplifiers 206 with output levels The bias of the class AB amplifier 206 is between the class A amplifier 206 and the class B amplifier 206.
  • the efficiency of class AB is much greater than that of class A amplifier 206 and slightly lower than class B amplifier 206.
  • the biasing of the class AB amplifier 206 allows the working sections of the two transistors operating in the push-pull mode to be covered by each other.
  • FIG. 7 is a schematic structural diagram of an amplifying driving circuit 205, an amplifier 206, a speaker 207, and a power supply device 7 according to an embodiment of the present invention.
  • the amplifier 206 is U3 in FIG. 3, and in the amplifying driving circuit 205, U3 Port 4 is connected to interface 2101 through resistor R36, capacitor C32, inductor L7, resistor R34 and capacitor C28, and interface 101 is connected to port ROUT of U2 via resistor R33.
  • Port 3 of U3 is connected to one end of the resistor R20, and the other end of the resistor R20 is connected to one end of the capacitor C30 and connected between the inductor L7 and the resistor R34.
  • the other end of the capacitor C30 is connected to one end of the capacitor C29 and connected to the resistor R34.
  • the interface 102 is connected to the port LOUT of U2 through a resistor R31.
  • Port 2 of U3 is connected to one end of capacitor C34, the other end of C34 is connected to one end of resistor R20 and one end of resistor R18, the other end of resistor R18 is connected to capacitor C13, and the other end of capacitor C13 is connected to inductor L7 and resistor R34. between.
  • the speaker 207 is electrically connected to the amplifier 206.
  • One end of the speaker 207 is connected to one end of the capacitor C15 and one end of the inductor L2, the other end of the speaker 207 is connected to one end of the capacitor C16 and one end of the inductor L3, the other end of the inductor L2 is connected to the port 5 of the U3, and the other end of the inductor L3 Connect to port 8 of U3.
  • the FM receiving circuit 20 further includes an FM receiving power supply device 208, electrically connected to the amplifier 206, the FM receiving chip 202 and the receiving microprocessor 203;
  • the FM receiving power supply device 208 includes an FM receiving power supply circuit 2081 electrically connected to the amplifier 206 and an FM receiving voltage stabilizing circuit 2082.
  • the input end of the FM receiving voltage stabilizing circuit 2082 is connected to the FM receiving power supply circuit 2081.
  • the output end of the FM receiving voltage stabilizing circuit 2082 is electrically connected to the FM receiving chip 202 and the receiving microprocessor 203.
  • the FM receiving circuit 20 further includes a receiving LED lamp RX-LED, and a receiving LED lamp for receiving the LED signal RX-LED for displaying the FM signal receiving state, and is electrically connected to the receiving microprocessor 203.
  • the anode of the receiving LED lamp RX-LED is connected to the port of the MCU2 through the resistor R16. 2.
  • the present invention also provides a method of installing a multi-channel surround sound system 100, implemented by a multi-channel surround sound system 100 as described above, the method comprising the steps S1-S2:
  • step S1 Obtain spatial location information of the space; the step S1 includes sub-steps S11-S13:
  • an audio generating device of the space and spatial position information of the riding device for example, the space is a living room, the audio generating device is a television in the living room, and the riding device is a sofa in the living room. Get the length and width of the living room and the location information of the TV and the sofa, or get the floor plan of the living room and the ceiling height of the living room.
  • the audio transmitting device 1 is disposed adjacent to the audio generating device to access audio information; for example, the audio transmitting device 1 is placed above the television, so that the FM transmission channel can be made good. It can also be placed according to customer needs.
  • the audio transmitting device 1 only needs to connect the output audio of the TV set; if the audio generating device is a mobile phone, the audio transmitting device 1 connects to the preset Bluetooth module through the audio Bluetooth socket 107, and then passes The Bluetooth module establishes a Bluetooth connection with the mobile phone, and transmits audio information through Bluetooth, that is, the mobile phone sends a Bluetooth signal to the Bluetooth module, and the Bluetooth module plugs into the audio Bluetooth socket 107, thereby transmitting the Bluetooth signal to the audio transmitting device 1.
  • the general living room is in the FM transmission range of the audio transmitting device 1, and thus, the position setting range of the plurality of the FM speakers 2 is any position in the living room. If the living room is too large, the audio transmitting device 1 cannot cover the entire living room. At this time, it is necessary to calculate the transmission range of the audio transmitting device 1, which is generally a circle with the position of the audio transmitting device 1 as the center and the longest distance as the radius.
  • the position setting range of the plurality of FM sounding devices 2 is the circular area.
  • the step S2 includes sub-steps S21-S22:
  • S21 Calculating a setting position of the multi-channel surround sound system 100 according to spatial position information of the riding device; that is, the multi-channel surround sound system 100 is generally configured according to a sofa of a living room, for example, the multi-channel surround
  • the FM audio device 2 of the stereo system 100 is disposed at four corners of the living room, or uniformly disposed in four directions of the left front, the right front, the left rear, and the right rear around the sofa.
  • S22 Determine whether the set position is within the location setting range, and if yes, according to The plurality of FM audio devices 2 are installed in the set position, and if not, the set positions of the multi-channel surround sound system 100 are recalculated. In general, as long as the FM transmission range of the audio transmitting device 1 can cover the entire living room, it is not necessary to recalculate the setting position of the multi-channel surround sound system 100. If the set position of the multi-channel surround sound system 100 exceeds the FM transmission range of the audio transmitting device 1, the set position of the multi-channel surround sound system 100 needs to be recalculated.
  • the installation method further includes step S3:
  • a plurality of openings for mounting a plurality of the FM audio devices 2 are disposed on a top surface of the space.
  • the FM audio device 2 is a downlight.
  • the downlight it is only necessary to open a plurality of openings for mounting a plurality of downlights in the ceiling of the living room, and the downlight can be installed in the opening position.
  • the sound function is added in the downlight, which enriches the function of the downlight, and since the downlight generally covers the entire living room, it is easy to achieve the effect of multi-channel surround sound.
  • the installation method further includes step S4:
  • a plurality of fixing devices for mounting the plurality of the FM audio devices 2 are disposed on a side surface of the space.
  • a plurality of fixing devices for mounting a plurality of the FM audio devices 2 are disposed on the wall of the living room, and the fixing device can fix the relatively heavy acoustic speakers 207, thereby saving not only the space of the living room but also each of the living rooms.
  • the sound quality of the horn 207 makes multi-channel surround sound better.
  • the one or operations may constitute computer readable instructions stored on one or a computer readable medium that, when executed by an electronic device, cause the computing device to perform the operations.
  • the order in which some or all of the operations are described should not be construed as implying that the operations must be sequential. Those skilled in the art will appreciate alternative rankings that have the benefit of this specification. Moreover, it should be understood that not all operations must be present in every embodiment provided herein.
  • the word "preferred” as used herein is intended to serve as an example, instance, or illustration. Any aspect or design described as “preferred” by the text is not necessarily to be construed as being more advantageous than other aspects or designs. Instead, the use of the word “preferred” is intended to present a concept in a specific manner.
  • the term “or” as used in this application is intended to mean an “or” or “an” That is, unless otherwise specified or clear from the context, "X employs A or B” means naturally including any one of the permutations. Ie if X Use A; X uses B; or X uses both A and B, then "X uses A or B" is satisfied in any of the foregoing examples.
  • Each functional unit in the embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

L'invention concerne un système sonore ambiophonique multicanal et son procédé de montage. Le système comprend un dispositif de transmission audio et une pluralité de dispositifs de haut-parleur modulés en fréquence. Le dispositif de transmission audio comprend un circuit d'émission modulé en fréquence utilisé pour émettre un signal modulé en fréquence audio. Chacun des dispositifs de haut-parleur modulés en fréquence comprend un circuit de réception modulé en fréquence utilisé pour recevoir et lire le signal modulé en fréquence audio. La présente invention présente les effets bénéfiques suivants : en configurant différents points de fréquence pour une transmission modulée en fréquence de signaux audio, non seulement une capacité anti-interférence d'une technologie de commande à distance est améliorée, mais également la fiabilité de communication de la maison intelligente est améliorée ; un son d'ambiance multicanal est obtenu au moyen d'une modulation de fréquence ; et en appliquant le circuit d'émission modulé en fréquence à la maison intelligente, l'expérience de vie de l'utilisateur est améliorée et les fonctions de commande de maison intelligente sont enrichies.
PCT/CN2017/086175 2016-12-12 2017-05-26 Système sonore ambiophonique multicanal et procédé de montage WO2018107670A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611142213.3A CN107872754A (zh) 2016-12-12 2016-12-12 一种多声道环绕立体声***及安装方法
CN201611142213.3 2016-12-12

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WO2018107670A1 true WO2018107670A1 (fr) 2018-06-21

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