CN108124222B - Ad-hoc network Bluetooth sound system - Google Patents
Ad-hoc network Bluetooth sound system Download PDFInfo
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- CN108124222B CN108124222B CN201711418456.XA CN201711418456A CN108124222B CN 108124222 B CN108124222 B CN 108124222B CN 201711418456 A CN201711418456 A CN 201711418456A CN 108124222 B CN108124222 B CN 108124222B
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- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000006870 function Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims abstract description 4
- 230000005236 sound signal Effects 0.000 claims description 12
- 230000003213 activating effect Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000006386 memory function Effects 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The invention provides an ad hoc network Bluetooth sound system, wherein a distributed sound is composed of distributed sound nodes, the distributed sound nodes are in a distributed network structure through Bluetooth ad hoc and realize the synchronization of sound playing of adjacent distributed sound nodes through point-to-point or point-to-multipoint communication; each distributed sound node is controlled by a central controller and receives radio or broadcast in response to the instruction of the central controller; the distributed sound node is powered on by default, namely, the distributed sound node operates in the Bluetooth mode, and if the distributed sound node is separated from the Bluetooth mode in the operation process, the distributed sound node can be automatically switched back to the Bluetooth mode as long as Bluetooth communication is initiated at any time. Each distributed sound node can work independently, various audio input and strong audio processing functions based on DSP are supported, the Bluetooth module is constructed by using the AC4603 chip, the size of the distributed sound nodes is reduced, and the portability of the distributed sound nodes is enhanced.
Description
Technical Field
The invention relates to the field of sound equipment or sound boxes, in particular to an ad hoc network Bluetooth sound system.
Background
Under the general condition, movies or large-scale concerts need to be held in auditoriums or gymnasiums, but these places cover a large area, and are high to sound quality requirement, and the sound design of single mode is difficult to satisfy its needs to the effect that sound volume balance is difficult to realize at whole auditoriums or gymnasiums to the sound of single mode has seriously influenced user experience.
Disclosure of Invention
In order to solve the technical problem, the invention provides an ad hoc network bluetooth sound system.
The invention is realized by the following technical scheme:
an ad-hoc network Bluetooth sound system is characterized in that distributed sound is composed of distributed sound nodes, the distributed sound nodes are in a distributed network structure through Bluetooth ad-hoc, and sound playing synchronization of adjacent distributed sound nodes is realized through point-to-point or point-to-multipoint communication;
each distributed sound node is controlled by a central controller and receives radio or broadcast in response to the instruction of the central controller;
the distributed sound node is powered on by default, namely, the distributed sound node operates in the Bluetooth mode, and if the distributed sound node is separated from the Bluetooth mode in the operation process, the distributed sound node can be automatically switched back to the Bluetooth mode as long as Bluetooth communication is initiated at any time.
Further, the distributed sound node uses a bluetooth module to realize a bluetooth function, and the bluetooth module is constructed by using an AC4603 chip.
Further, the bluetooth module includes:
the initialization unit is used for initializing after power is on and constructing a main program after initialization, and the main program is used for maintaining the Bluetooth function of the distributed sound node;
and the monitoring unit is used for monitoring external Bluetooth communication and responding to the Bluetooth communication request to activate the Bluetooth function.
Further, the distributed sound node further includes:
a microphone unit for receiving a sound signal;
the electronic tuning unit is used for carrying out preprocessing on the received sound signals;
the DSP data processing unit is used for processing the output result of the electronic tuning unit or the sound signal received by the microphone unit;
a speaker for playing a sound signal;
the first communication unit is used for communicating with other distributed sound nodes in an ad hoc network mode;
a second communication unit for communicating with the central controller;
a controller for coordinating the operations of the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit,
the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit are all in communication connection with the controller.
Further, the bluetooth module further includes:
the external audio supporting unit is used for activating an external audio mode on the premise that the distributed sound node is accessed to external audio, so that the distributed sound node directly uses the external audio as audio input and transmits the audio input to the DSP data processing unit;
and the USB supporting unit is used for activating a USB mode on the premise that the distributed sound node is connected with the USB interface, so that the distributed sound node directly uses data transmitted by the USB as audio input and transmits the audio input to the DSP data processing unit.
Further, the external audio support unit includes:
the radio receiving support unit is used for supporting external audio from a radio station, supports an automatic channel searching mode, a manual channel searching mode and a semi-automatic channel searching mode, and has a breakpoint memory function;
a line input support unit for supporting external audio from the line input.
Further, the central controller includes:
the intensity signal control unit is used for controlling the intensity of the played sound of the distributed sound equipment nodes;
the instruction classification control unit is used for responding to an instruction sent by a user and sending a broadcasting, receiving and/or filtering instruction to the target distributed sound node;
and the timing control unit is used for responding to the instruction sent by the user and sending a timing closing and/or timing opening instruction to the target distributed sound node.
Further, the central controller further comprises:
and the central control management unit is used for recording the current running state of each distributed sound node.
The invention has the beneficial effects that:
the invention provides an ad hoc network Bluetooth sound system, which has the following beneficial effects:
(1) distributed sound nodes can be distributed at each position of an auditorium or a gymnasium, and sound networks which are communicated with each other in an ad hoc network mode are realized through reasonable layout, so that the sound can be calibrated at the working moment, the audio synchronization is facilitated, and the problem that the volume generated by a single sound in the prior art is uneven is solved.
(2) Each distributed sound node can work independently, various audio input functions and strong audio processing functions based on the DSP are supported, the Bluetooth module is constructed by using the AC4603 chip, the size of the distributed sound nodes is reduced, and the portability of the distributed sound nodes is enhanced.
Drawings
Fig. 1 is a schematic diagram of an ad hoc network bluetooth sound system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a Bluetooth module provided in an embodiment of the present invention;
fig. 3 is a block diagram of a distributed audio node according to an embodiment of the present invention;
fig. 4 is a block diagram of a central controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
In an ad hoc network bluetooth sound system according to an embodiment of the present invention, as shown in fig. 1, a distributed sound is formed by distributed sound nodes, the distributed sound nodes are in a distributed network structure through bluetooth ad hoc, and synchronization of sound playing of adjacent distributed sound nodes is realized through point-to-point or point-to-multipoint communication;
each distributed sound node is controlled by a central controller and receives radio or broadcast in response to the instruction of the central controller;
the distributed sound node is powered on by default, namely, the distributed sound node operates in the Bluetooth mode, and if the distributed sound node is separated from the Bluetooth mode in the operation process, the distributed sound node can be automatically switched back to the Bluetooth mode as long as Bluetooth communication is initiated at any time.
Specifically, the number of the distributed sound nodes is 16-32, the distributed sound nodes and the arrangement direction are arranged according to the specific conditions of the size, the shape and the like of the arrangement place, and experiments show that the embodiment of the invention obtains better technical effects under the condition that the number of the distributed sound nodes is 16-32.
Further, the distributed sound node uses a bluetooth module to realize a bluetooth function, and the bluetooth module is constructed by using an AC4603 chip.
As shown in fig. 2, the bluetooth module includes:
the initialization unit is used for initializing after power is on and constructing a main program after initialization, and the main program is used for maintaining the Bluetooth function of the distributed sound node;
and the monitoring unit is used for monitoring external Bluetooth communication and responding to the Bluetooth communication request to activate the Bluetooth function.
Further, as shown in fig. 3, the distributed sound node further includes:
a microphone unit for receiving a sound signal;
the electronic tuning unit is used for carrying out preprocessing on the received sound signals;
the DSP data processing unit is used for processing the output result of the electronic tuning unit or the sound signal received by the microphone unit;
a speaker for playing a sound signal;
the first communication unit is used for communicating with other distributed sound nodes in an ad hoc network mode;
a second communication unit for communicating with the central controller;
a controller for coordinating the operations of the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit,
the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit are all in communication connection with the controller.
Further, the bluetooth module further includes:
the external audio supporting unit is used for activating an external audio mode on the premise that the distributed sound node is accessed to external audio, so that the distributed sound node directly uses the external audio as audio input and transmits the audio input to the DSP data processing unit;
and the USB supporting unit is used for activating a USB mode on the premise that the distributed sound node is connected with the USB interface, so that the distributed sound node directly uses data transmitted by the USB as audio input and transmits the audio input to the DSP data processing unit.
Specifically, the external audio support unit includes:
the radio receiving support unit is used for supporting external audio from a radio station, supports an automatic channel searching mode, a manual channel searching mode and a semi-automatic channel searching mode, and has a breakpoint memory function;
a line input support unit for supporting external audio from the line input.
Further, as shown in fig. 4, the central controller includes:
the intensity signal control unit is used for controlling the intensity of the played sound of the distributed sound equipment nodes;
the instruction classification control unit is used for responding to an instruction sent by a user and sending a broadcasting, receiving and/or filtering instruction to the target distributed sound node;
and the timing control unit is used for responding to the instruction sent by the user and sending a timing closing and/or timing opening instruction to the target distributed sound node.
Further, the central controller further comprises:
and the central control management unit is used for recording the current running state of each distributed sound node.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that although embodiments described herein include some features included in other embodiments, not other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
The present invention may also be embodied as apparatus or system programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps or the like not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several systems, several of these systems may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering and these words may be interpreted as names.
Claims (8)
1. The utility model provides an from network deployment bluetooth sound system which characterized in that:
the ad hoc network Bluetooth sound system is composed of distributed sound nodes, the distributed sound nodes are in a distributed network structure through Bluetooth ad hoc and realize the synchronization of sound playing of adjacent distributed sound nodes through point-to-point or point-to-multipoint communication;
each distributed sound node is controlled by a central controller and receives radio or broadcast in response to the instruction of the central controller;
the distributed sound node is powered on by default, namely, the distributed sound node operates in the Bluetooth mode, and if the distributed sound node is separated from the Bluetooth mode in the operation process, the distributed sound node can be automatically switched back to the Bluetooth mode as long as Bluetooth communication is initiated at any time.
2. The ad-hoc network bluetooth sound system of claim 1, wherein:
the distributed sound node realizes a Bluetooth function by using a Bluetooth module, and the Bluetooth module is constructed by using an AC4603 chip.
3. The ad-hoc network bluetooth sound system of claim 2, wherein:
the bluetooth module includes:
the initialization unit is used for initializing after power is on and constructing a main program after initialization, and the main program is used for maintaining the Bluetooth function of the distributed sound node;
and the monitoring unit is used for monitoring external Bluetooth communication and responding to the Bluetooth communication request to activate the Bluetooth function.
4. An ad hoc network bluetooth sound system according to claim 3, wherein:
the distributed sound node further comprises:
a microphone unit for receiving a sound signal;
the electronic tuning unit is used for carrying out preprocessing on the received sound signals;
the DSP data processing unit is used for processing the output result of the electronic tuning unit or the sound signal received by the microphone unit;
a speaker for playing a sound signal;
the first communication unit is used for communicating with other distributed sound nodes in an ad hoc network mode;
a second communication unit for communicating with the central controller;
a controller for coordinating the operations of the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit,
the microphone unit, the electronic tuning unit, the DSP data processing unit, the loudspeaker, the first communication unit and the second communication unit are all in communication connection with the controller.
5. The ad-hoc network bluetooth sound system of claim 4, wherein:
the bluetooth module further includes:
the external audio supporting unit is used for activating an external audio mode on the premise that the distributed sound node is accessed to external audio, so that the distributed sound node directly uses the external audio as audio input and transmits the audio input to the DSP data processing unit;
and the USB supporting unit is used for activating a USB mode on the premise that the distributed sound node is connected with the USB interface, so that the distributed sound node directly uses data transmitted by the USB as audio input and transmits the audio input to the DSP data processing unit.
6. The ad-hoc network bluetooth sound system of claim 5, wherein:
the external audio support unit includes:
the radio receiving support unit is used for supporting external audio from a radio station, supports an automatic channel searching mode, a manual channel searching mode and a semi-automatic channel searching mode, and has a breakpoint memory function;
a line input support unit for supporting external audio from the line input.
7. The ad-hoc network bluetooth sound system of claim 1, wherein:
the central controller includes:
the intensity signal control unit is used for controlling the intensity of the played sound of the distributed sound equipment nodes;
the instruction classification control unit is used for responding to an instruction sent by a user and sending a broadcasting, receiving and/or filtering instruction to the target distributed sound node;
and the timing control unit is used for responding to the instruction sent by the user and sending a timing closing and/or timing opening instruction to the target distributed sound node.
8. The ad-hoc network bluetooth sound system of claim 4, wherein:
the central controller further comprises:
and the central control management unit is used for recording the current running state of each distributed sound node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711418456.XA CN108124222B (en) | 2017-12-25 | 2017-12-25 | Ad-hoc network Bluetooth sound system |
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| CN201711418456.XA CN108124222B (en) | 2017-12-25 | 2017-12-25 | Ad-hoc network Bluetooth sound system |
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| CN108124222A CN108124222A (en) | 2018-06-05 |
| CN108124222B true CN108124222B (en) | 2020-02-28 |
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| CN110166899A (en) * | 2019-06-06 | 2019-08-23 | 惠州市璧玉音响有限公司 | A kind of 5.1 sound channel wireless sound system of high-fidelity |
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| CN104637505A (en) * | 2014-12-31 | 2015-05-20 | 小米科技有限责任公司 | Audio playing method and device |
| CN105007201A (en) * | 2015-05-27 | 2015-10-28 | 广东欧珀移动通信有限公司 | Method for accessing network, wireless sound box and system |
| CN106331960A (en) * | 2016-08-19 | 2017-01-11 | 广州番禺巨大汽车音响设备有限公司 | Multi-room-based sound control method and system |
| CN106454449A (en) * | 2016-10-25 | 2017-02-22 | 深圳芯智汇科技有限公司 | Master sound box, slave sound box and method for controlling synchronous playing of audio by router |
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- 2017-12-25 CN CN201711418456.XA patent/CN108124222B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135704A (en) * | 2014-07-11 | 2014-11-05 | 黄天旭 | Sound box networking method and sound box network |
| CN104637505A (en) * | 2014-12-31 | 2015-05-20 | 小米科技有限责任公司 | Audio playing method and device |
| CN105007201A (en) * | 2015-05-27 | 2015-10-28 | 广东欧珀移动通信有限公司 | Method for accessing network, wireless sound box and system |
| CN106331960A (en) * | 2016-08-19 | 2017-01-11 | 广州番禺巨大汽车音响设备有限公司 | Multi-room-based sound control method and system |
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Effective date of registration: 20240104 Address after: Room 302, No. 9 Huancun Street, Dongguan Village, Xinya Street, Huadu District, Guangzhou City, Guangdong Province, 510800 Patentee after: Guangzhou Aihua Electrical Technology Co.,Ltd. Address before: Building 2-8, A3, No.10 Furong Xinhua Road, Shiling Town, Huadu District, Guangzhou City, Guangdong Province, 510000 (can be used as a factory building) Patentee before: GUANGZHOU JULIAN ELECTRONICS Co.,Ltd. |
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