CN203167230U - Furred ceiling type acoustic equipment based on wave beam control - Google Patents
Furred ceiling type acoustic equipment based on wave beam control Download PDFInfo
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- CN203167230U CN203167230U CN 201320150983 CN201320150983U CN203167230U CN 203167230 U CN203167230 U CN 203167230U CN 201320150983 CN201320150983 CN 201320150983 CN 201320150983 U CN201320150983 U CN 201320150983U CN 203167230 U CN203167230 U CN 203167230U
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Abstract
The utility model relates to a piece of furred ceiling type acoustic equipment based on wave beam control. The furred ceiling type acoustic equipment based on wave beam control comprises an audio frequency product having a first end connected with a controller in an interactive way and a second end connected with a wireless module in a wireless interaction way; and the controller connected with the first end of the audio frequency product in an interactive way. When instruction information is sent out by the audio frequency product, the controller finishes the pairing of a sounding module and the audio frequency product. The controller can be further used for receiving or generating desired information of users. The furred ceiling type acoustic equipment further comprises the sounding module. The sounding module comprises the wireless module connected with the second end of the audio frequency product in an interactive way; a wave beam control module electrically connected with the controller and the wireless module; a power amplification module having an input end connected with the output end of the wave beam control module and an output end electrically connected with a loudspeaker array; and the loudspeaker array having a plurality of loudspeaker units. Each loudspeaker unit is used for achieving electro-acoustic conversion.
Description
Technical field
The utility model relates to a kind of acoustics, particularly a kind of ceiling mounting type acoustics based on wave beam control.
Background technology
Fast development along with very lagre scale integrated circuit (VLSIC) and battery electric power storage technology, the application of portable consumer class audio product---palmtop PC, smart mobile phone, digital camera, electronic book reader, individual audio video player etc. is increasingly extensive, is daily the providing a great convenience property of work life of people.These audio products all have wave points such as NFC, bluetooth, Wi-Fi usually, can be flexibly and fast set up the wireless connections line data exchange of going forward side by side with other audio products that have same wave point.Based on these wireless interface technologies, the wireless acoustics product based on bluetooth or Wi-Fi has also appearred in the market, and these acoustic products all are the external accessory use as smart mobile phone usually, reset for smart mobile phone provides external sound field.These wireless acoustics products are equipped with the binary channels boombox usually, can obtain the stereophonic reproduction effect, only be suitable for building under the spacious environment the individual sound field of the zonule coverage of using for the individual, because the output of two sound channels is only arranged, can't obtain higher level surrounding sound effect.Because the restriction of sound field diffusion, these wireless acoustics products only are fit to the individual audiovisual applications in household or outdoor spacious place, and are not suitable for being generalized to public place---and restaurant, bar, market, airport, railway station, parking lot, hospital, library, bank etc. carry out individual secret audiovisual applications.
Build the personalized sound field of secret in public, when the individual appreciates audio visual work, also do not hinder other people audiovisual, this application scenarios relates to the local sound field control problem of loudspeaker array, and this problem is the key issue that many scholars pay close attention to for a long time and endeavour to solve always.At present, the most representational two research institutions---(the Institute of Sound and Vibration Research of sound and vibration research institute of Britain University of Southampton in the world, ISVR) and Korea Advanced Institute of Science and Technology (Korea Advanced Institute of Science and Technology, KAIST) all carry out for a long time research widely at this problem, and obtained a series of achievement in research.S. J. professor Elliott of ISVR research institute has studied the sound focusing effect of linear loudspeaker array, and has tested the focusing performance under the simple beam situation, has obtained comparatively satisfied effect under phonetic sound playback situation.The Y. of KAIST research institute-H. professor Kim also is devoted to the control subject study of personalized sound field always, by light and shade compared with control algorithm, the array sound field is controlled in regional area.The achievement in research of these local sound fields controls is for the realization of virtual surround sound field provides theory support.
Existing wireless acoustics product all uses less loudspeaker channel, does not consider that the set of speakers battle array carries out the playback application of virtual surround sound field.In public place, these products providing sound field to reset for the individual when can to around other people audiovisual cause interference, produce sound pollution to a certain degree.Existing local sound field control algolithm all concentrates on the local sound field control work of single array and simple beam, does not also carry out the application study of many arrays and multi-beam.
At existing wireless acoustics in existing defective aspect the individual sound field rebuilding of privacy, simultaneously in conjunction with the progress of local sound field control algolithm and the application demand of public place privacy sound field rebuilding, therefore need to seek a kind of wireless furred ceiling sound equipment with multi-beam systematic function, cover for the intersection that a plurality of acoustic beams are provided in the regional area based on wave beam control function, have 3D around the individual sound field of sound effect thereby build, also do not disturb simultaneously outside the overlay area other people work life.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of ceiling mounting type acoustics based on wave beam control, and it can be built has 3D around the individual sound field of sound effect, does not also disturb outside the overlay area other people work life simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of ceiling mounting type acoustics based on wave beam control, described ceiling mounting type acoustics comprises:
One audio product, it has first end that is connected with the controller interaction and second end that is connected with wireless module phase wireless interaction;
Controller, it is connected with the first end interaction of audio product, and after audio product sent command information, controller was finished the pairing of sounding module and audio product, and described controller also can receive or generate user's expectation information;
The sounding module, it comprises:
Wireless module, it is connected with the second end interaction of described audio product, is used for receiving the wireless data that is sent by described audio product; And
Beam steering module is electrically connected mutually with described controller and described wireless module, and it is used for power amplifier module is regulated;
Power amplifier module, its input is connected with the output of described beam steering module, and the output of described power amplifier module is electrically connected mutually with described loudspeaker array, drives each loudspeaker unit in the described loudspeaker array;
Loudspeaker array, it comprises a plurality of loudspeaker units, each loudspeaker unit is used for realizing the electroacoustic conversion.
User's expectation information comprises hearer's number, hearer position and channel number.
Preferably, described audio product is a kind of in palmtop PC, smart mobile phone, digital camera, electronic book reader, audio player, the video player.
Preferably, described controller comprises input unit, responding device and microprocessor, described input unit is used for input matched order, hearer's number and channel number, described responding device is used for the whether success response of order of prompting user input, and described microprocessor is used for replying the instruction of user's input.
Preferably, described wireless module is bluetooth module.
Preferably, described wireless module is the wifi module.
Preferably, described beam steering module comprises memory, data buffer and signal processor, described memory is used for division type and the corresponding control parameter of respectively dividing the sub-loudspeaker array under the type of the described loudspeaker array of storage, described signal processor is used for carrying out wave beam control, and described data buffer is used for the various data that the described signal processor of buffer memory is called in from memory.
Preferably, described loudspeaker array comprises bass unit, middle pitch unit, voice unit.
Preferably, described loudspeaker array comprises bass unit, middle pitch unit, voice unit and supper bass unit.
Preferably, described supper bass unit is arranged on the central authorities of described microphone array.
The utility model adopts above technical scheme, has following advantage compared to existing technology:
1, can be flexibly easily with existing portable consumer class audio product---palmtop PC, smart mobile phone, digital camera, electronic book reader, individual audio/video player etc. carry out wireless connections, and provide high-quality low voice speaking putting for these audio products;
2, can be by the radiation beam of control array, sound field is covered in user's specified region, and the decay array is in other regional acoustic radiations, diffusion and the pollution of sound field have effectively been reduced, be fit to be applied to the individual secret sound field rebuilding of public situation, avoided other staff's acoustic jamming has on every side also been improved the acoustic radiation efficiency of array to the appointed area;
3, can produce a plurality of beam of sounds, and form the intersection region of a plurality of wave beams in specified location in user, thereby provide multichannel around sound effect, increased telepresenc, Sensurround and the feeling of immersion of music and films and television programs, improved the level of quality of playback sound field;
4, install by furred ceiling, both the holding chamber interior trim was elegant in appearance, had also saved the taking of space, flooring, be suitable for simultaneously compatible all be equipped with the audio product of bluetooths or Wi-Fi, practical.
Description of drawings
Fig. 1 is the schematic diagram of ceiling mounting type acoustics of the present utility model;
Fig. 2 is the signal processing flow figure of ceiling mounting type acoustics of the present utility model;
Fig. 3 is the composition structured flowchart of controller of the present utility model;
Fig. 4 is the composition structured flowchart of beam steering module of the present utility model;
Fig. 5 be beam steering module of the present utility model under single channel wave beam generation situation, its array partition schematic diagram;
Fig. 6 be beam steering module of the present utility model under single channel wave beam generation situation, its beam intersects situation schematic diagram;
Fig. 7 be beam steering module of the present utility model under two passage wave beam generation situations, its array partition schematic diagram;
Fig. 8 be beam steering module of the present utility model under two passage wave beam generation situations, its beam intersects situation schematic diagram;
Fig. 9 be beam steering module of the present utility model under five-way road wave beam generation situation, its array partition schematic diagram;
Figure 10 be beam steering module of the present utility model under five-way road wave beam generation situation, its beam intersects situation schematic diagram;
Figure 11 be beam steering module of the present utility model under seven passage wave beam generation situations, its array partition schematic diagram;
Figure 12 be beam steering module of the present utility model under seven passage wave beam generation situations, its beam intersects situation schematic diagram;
Figure 13 is the reconstruction schematic diagram of a customization sound field of the present utility model;
Figure 14 is that the loudspeaker array of the beam steering module of a customization sound field of the present utility model is divided schematic diagram;
Figure 15 is the multi-beam intersection region schematic diagram of beam steering module at the seat one of a customization sound field of the present utility model;
Figure 16 is the multi-beam intersection region schematic diagram of beam steering module at the seat two of a customization sound field of the present utility model.
Wherein: 1, smart mobile phone;
2, controller; 21, touch-screen; 22, button; 23, state indicating module; 24, auditory tone cues module; 25, microprocessor;
3, sounding module; 31, wireless module; 32, beam steering module; 321, memory; 322, data buffer; 323, signal processor; 33, power amplifier module; 34, loudspeaker array; 340, loudspeaker unit; 341, sub-loudspeaker array;
4, ceiling;
5, beam coverage area.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail; thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that the protection range of the utility model controller is made more explicit defining.
Embodiment
Shown in accompanying drawing 1, a kind of ceiling mounting type acoustics based on wave beam control, sounding module 3 hangs and is arranged on ceiling 4 belows, and sounding module 3 comprises wireless module 31, beam steering module 32, power amplifier module 33 and loudspeaker array 34.Scope shown in the dotted line is this based on the beam coverage area 5 of the ceiling mounting type acoustics of wave beam control in the accompanying drawing 1, and controller 2 and hearer all are in this beam coverage area 5.
Shown in accompanying drawing 2, a kind of ceiling mounting type acoustics based on wave beam control comprises:
One smart mobile phone 1, it has first end that is connected with controller 2 interactions and second end that is connected with wireless module 31 phase wireless interaction;
Controller 2, it is connected with the first end interaction of smart mobile phone 1, and after smart mobile phone 1 sent command information, controller 2 was finished the pairing of sounding module 3 and smart mobile phone 1, and described controller 2 also can receive or generate user's expectation information;
Its operation principle is as follows: the smart mobile phone 1 that has Bluetooth function can be set up wireless connections by the Bluetooth pairing mode of account number cipher with ceiling mounting type sound equipment 3 paper spares, connects by bluetooth the sound source file to be played in the smart mobile phone 1 is real-time transmitted to ceiling mounting type sound equipment 3 to realize the low voice speaking operation of putting; Controller 2 is for providing the Bluetooth pairing service between smart mobile phone 1 and the ceiling mounting type audio amplifier 3, the information such as hearer's number, hearer position, channel number of importing for the user simultaneously provide inputting interface, after treating that the user finishes the typing of sound field information and confirm to submit to, controller 2 is uploaded the information of the sound field that the user customizes in beam steering module 32; Wireless module 31 receives wireless data and the instruction of being sent by smart mobile phone 1, also provides response message to smart mobile phone 1 simultaneously; The sound field information that beam steering module 32 customizes according to the user, call in the required control parameter of each loudspeaker unit 340 of the loudspeaker array 34 that is complementary with this sound field information, and this control parameter of down loading updating, thereby generate the beam pattern that is complementary with customization sound field demand.
Shown in accompanying drawing 3, described controller 2 comprises input unit, responding device and microprocessor 25, input unit is touch-screen 21, button 22, responding device is that state indicating module 23, auditory tone cues module 24 reach, described touch-screen 21, button 22 are used for input matched order, hearer's number, hearer position and channel number, described state indicating module 23, auditory tone cues module 24 is used for the whether success response of order of prompting user input, and described microprocessor 25 is used for replying the instruction of user's input.
Controller 2 provides pairing for the wireless connections between portable audio product such as smart mobile phone and the ceiling mounting type sound equipment 3, and the implementation of pairing can be two kinds: manually pairing and pairing automatically.Manually pairing is by starting the pairing function of audio product, and search sounding module arranges user name and password, finishes pairing work and successfully set up wireless network to connect.Automatically pairing is applicable to and has NFC(Near Field Communication) audio product of function, can finish the pairing function automatically based on the NFC communication pattern by carrying out closely near with controller 2 or touching.
Shown in accompanying drawing 4, described beam steering module 32 comprises memory 321, data buffer 322 and signal processor 323, described memory 321 is used for division type and the corresponding control parameter of respectively dividing the sub-loudspeaker array under the type of the described loudspeaker array 34 of storage, described signal processor 323 is used for carrying out the wave beam control of each sub-loudspeaker array, and described data buffer 322 is used for the various data that the described signal processor 323 of buffer memory is called in from memory 321.
Shown in accompanying drawing 5, accompanying drawing 6, under simple beam output situation, beam steering module 32 only selects the part loudspeaker unit 340 in the loudspeaker array 34 to form a sub-loudspeaker array.Produce single wave beam by this single sub-loudspeaker array, form single pass sound field rebuilding.
Shown in accompanying drawing 7, accompanying drawing 8, under dualbeam output situation, beam steering module 32 can select the part loudspeaker unit 340 in the loudspeaker array 34 to form two sub-loudspeaker arrays.Produce two wave beams by these two sub-loudspeaker arrays, form the sound field rebuilding of stereophone in the intersection region of two wave beams.
Shown in accompanying drawing 9, accompanying drawing 10, under five wave beam output situations, beam steering module 32 can select the loudspeaker unit 340 of loudspeaker array 34 to form five sub-loudspeaker arrays respectively, and loudspeaker array 34 is divided into five sub-loudspeaker arrays.Produce five wave beams by these five sub-loudspeaker arrays, have 5.1 sound field rebuildings around sound effect in the formation of the intersection region of five wave beams.
Shown in accompanying drawing 11, accompanying drawing 12, under seven wave beam output situations, beam steering module 32 can select the loudspeaker unit 340 of loudspeaker array 34 to form seven sub-loudspeaker arrays respectively, and loudspeaker array 34 is divided into seven sub-loudspeaker arrays.Produce seven wave beams by these seven sub-loudspeaker arrays, have 7.1 sound field rebuildings around sound effect in the formation of the intersection region of seven wave beams.
Under the situation that hearer's number increases, the quantity of the loudspeaker unit 340 of sounding module also needs corresponding increase, beam steering module 32 also can be carried out more complicated sub-loudspeaker array to loudspeaker array 34 and be divided, thereby could form more beam intersects zone, satisfy more hearers' audiovisual demand.
Shown in accompanying drawing 13, the information of customization sound field is: hearer's number be about 2, two hearers to sitting, the channel number of expectation is 5.
To shown in the accompanying drawing 16, signal processor 323 is divided into ten sub-loudspeaker arrays with loudspeaker array 34 with reference to accompanying drawing 14, corresponding to seat 1 five sub-loudspeaker arrays is arranged, and corresponding to seat 2 five sub-loudspeaker arrays is arranged.Corresponding to five sub-loudspeaker arrays at seat one, the wave beam control parameter according to these five sub-loudspeaker arrays produces corresponding five wave beams, and one place produces the intersection region to these five wave beams at the seat, forms the surrounding sound effect of five sound channels.Equally, also two places produce the beam intersects zone at the seat corresponding to five sub-loudspeaker arrays at seat two, also form the surrounding sound effect of five sound channels.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; it is a kind of preferred embodiment; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to spiritual essence of the present utility model change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (9)
1. ceiling mounting type acoustics based on wave beam control is characterized in that described ceiling mounting type acoustics comprises:
One audio product, it has first end that is connected with the controller interaction and second end that is connected with wireless module phase wireless interaction;
Controller, it is connected with the first end interaction of audio product, and after audio product sent command information, controller was finished the pairing of sounding module and audio product, and described controller also can receive or generate user's expectation information;
The sounding module, it comprises:
Loudspeaker array, it comprises a plurality of loudspeaker units, each loudspeaker unit is used for realizing the electroacoustic conversion; And
Wireless module, it is connected with the second end interaction of described audio product, is used for receiving the wireless data that is sent by described audio product;
Beam steering module, be electrically connected mutually with described controller and described wireless module, it is handled with the user's who receives by controller expectation information the wireless data that receives by described wireless module, generate the beam pattern that the expectation information with the user is complementary, and according to beam pattern power amplifier module is regulated;
Power amplifier module, its input is connected with the output of described beam steering module, and the output of described power amplifier module is electrically connected mutually with described loudspeaker array, drives each loudspeaker unit in the described loudspeaker array under the control of beam steering module.
2. the ceiling mounting type acoustics based on wave beam control according to claim 1 is characterized in that: described audio product is a kind of in palmtop PC, smart mobile phone, digital camera, electronic book reader, audio player, the video player.
3. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described controller comprises input unit, responding device and microprocessor, described input unit is used for input matched order, hearer's number and channel number, described responding device is used for the whether success response of order of prompting user input, and described microprocessor is used for replying the instruction of user's input.
4. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described wireless module is bluetooth module.
5. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described wireless module is the wifi module.
6. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described beam steering module comprises memory, data buffer and signal processor, described memory is used for division type and the corresponding control parameter of respectively dividing the sub-loudspeaker array under the type of the described loudspeaker array of storage, described signal processor is used for the adaptive user's input information of search, upgrades the control parameter of each sub-loudspeaker array, carries out wave beam control, and described data buffer is used for the various data that the described signal processor of buffer memory is called in from memory.
7. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described loudspeaker array comprises bass unit, middle pitch unit, voice unit.
8. the ceiling mounting type acoustics based on wave beam control according to claim 1, it is characterized in that: described loudspeaker array comprises bass unit, middle pitch unit, voice unit and supper bass unit.
9. the ceiling mounting type acoustics based on wave beam control according to claim 8, it is characterized in that: described supper bass unit is arranged on the central authorities of described loudspeaker array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150983 CN203167230U (en) | 2013-03-29 | 2013-03-29 | Furred ceiling type acoustic equipment based on wave beam control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150983 CN203167230U (en) | 2013-03-29 | 2013-03-29 | Furred ceiling type acoustic equipment based on wave beam control |
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| Publication Number | Publication Date |
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| CN203167230U true CN203167230U (en) | 2013-08-28 |
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| CN 201320150983 Expired - Lifetime CN203167230U (en) | 2013-03-29 | 2013-03-29 | Furred ceiling type acoustic equipment based on wave beam control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200492A (en) * | 2013-03-29 | 2013-07-10 | 苏州上声电子有限公司 | Ceiling type acoustic device based on beam control |
| CN104185116A (en) * | 2014-08-15 | 2014-12-03 | 南京琅声声学科技有限公司 | Automatic acoustic radiation mode determining method |
-
2013
- 2013-03-29 CN CN 201320150983 patent/CN203167230U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200492A (en) * | 2013-03-29 | 2013-07-10 | 苏州上声电子有限公司 | Ceiling type acoustic device based on beam control |
| WO2014153938A1 (en) * | 2013-03-29 | 2014-10-02 | 苏州上声电子有限公司 | Ceiling type acoustic apparatus based on beam control |
| CN104185116A (en) * | 2014-08-15 | 2014-12-03 | 南京琅声声学科技有限公司 | Automatic acoustic radiation mode determining method |
| CN104185116B (en) * | 2014-08-15 | 2018-01-09 | 南京琅声声学科技有限公司 | A kind of method for automatically determining acoustically radiating emission mode |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215133 yuan and Technology Park, Suzhou, Jiangsu Province, Chuang Chuang No. 333 Patentee after: SUZHOU SONAVOX ELECTRONICS Co.,Ltd. Address before: 215133 yuan and Technology Park, Suzhou, Jiangsu Province, Chuang Chuang No. 333 Patentee before: SUZHOU SONAVOX ELECTRONICS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
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| CX01 | Expiry of patent term |