CN102325290A - Sound box with omnibearing sound field - Google Patents

Sound box with omnibearing sound field Download PDF

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Publication number
CN102325290A
CN102325290A CN201110275600A CN201110275600A CN102325290A CN 102325290 A CN102325290 A CN 102325290A CN 201110275600 A CN201110275600 A CN 201110275600A CN 201110275600 A CN201110275600 A CN 201110275600A CN 102325290 A CN102325290 A CN 102325290A
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sound equipment
sound
amplification module
module
channel
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CN201110275600A
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CN102325290B (en
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于豪
林盖科
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Konka Group Co Ltd
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Konka Group Co Ltd
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Abstract

The invention discloses a sound box with an omnibearing sound field. A left surround speaker and a right surround speaker are arranged at the rear side of a sound box body; a left channel speaker and a right channel speaker are respectively arranged at two sides of the sound box body; a central speaker is arranged at the front side of the sound box body; an overhead speaker is arranged on the top of the sound box body; and a mega bass speaker is also arranged on the sound box body. According to the invention, the sound box creates a vivid, stereo and omnibearing sound field by reflecting the sound output by the left surround speaker and the right surround speaker at the rear side of the sound box body to a listening area of a user through the wall surfaces, reflecting sound signals by using a ceiling through the overhead speaker and sending the sound signals to the listening area of the user. Besides, a wireless receiving module is also used for receiving the audio signals without too many wires, and the sound box is simple for putting and easy for fitting in a home environment so that the user can enjoy the high-quality acoustic sound field in a very large range.

Description

A kind of sound equipment of comprehensive sound field
Technical field
The present invention relates to sound system, particularly a kind of sound equipment of comprehensive sound field.
Background technology
Along with the development of panel TV towards ultra-thin direction, the effect of television internal loud speaker can't reach HiFi (High-Fidelity, high-fidelity) high tone quality high sound pressure level level, because the restriction of factors such as its thickness, structural strength, size, voice directions.Many television manufacturers have been attempted loud speaker and display screen are separated, and pursuing better tonequality, and the external sound system is exactly a best solution.
Existing external sound system has horizontal hanging type, places formula vertically, and the wire transmission audio signal is arranged, single-piece is arranged, and multi-piece type is also arranged.But the sound field that these sound systems can cover is limited in scope, and because the directivity of loudspeaker restriction of sounding makes its sound field that restores can not reappear the sound field effect of the three-dimensional space of being recorded in the original program source.Such as: in program, the sound that transmits in the air from the top, existing sound system can't correctly reduce.And also there is pendulum position trouble in existing sound system, cabling is loaded down with trivial details, big, shortcomings such as materials used is many, feature of environmental protection difference take up space.
In view of this, be necessary to provide a kind of sound equipment of comprehensive sound field.
Summary of the invention
In view of the weak point of above-mentioned prior art, the object of the present invention is to provide a kind of sound equipment of comprehensive sound field, can't be to solve existing sound system with the problem of the correct reduction of 3 D stereo sound field.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of sound equipment of comprehensive sound field; Comprise the sound equipment body; Wherein, in said sound equipment body, be provided with MCU central processing unit, DSP digital audio processing module, L channel audio frequency amplification module, right audio channel amplification module, a left side around audio frequency amplification module, right around audio frequency amplification module, center channels audio frequency amplification module, supper bass channel audio amplification module and overhead channel audio amplification module; Said MCU central processing unit is connected with DSP digital audio processing module; Said DSP digital audio processing module is connected around audio frequency amplification module, center channels audio frequency amplification module, supper bass channel audio amplification module and overhead channel audio amplification module around audio frequency amplification module, the right side with L channel audio frequency amplification module, right audio channel amplification module, a left side respectively, wherein:
The rear side of said sound equipment body is provided with left circulating loudspeaker and right circulating loudspeaker; Be respectively arranged with left channel loudspeaker and right channel loudspeaker in the both sides of sound equipment body; The front of sound equipment body is provided with center loudspeaker; The end face of said sound equipment body is provided with the overhead loud speaker, also is provided with the mega bass loud speaker on the said sound equipment body;
Said left circulating loudspeaker is connected around the audio frequency amplification module with a left side; Right circulating loudspeaker is connected around the audio frequency amplification module with right; Said left channel loudspeaker is connected with L channel audio frequency amplification module, and right channel loudspeaker is connected with the right audio channel amplification module, and center loudspeaker is connected with center channels audio frequency amplification module; The overhead loud speaker is connected with overhead channel audio amplification module, and the mega bass loud speaker is connected with supper bass channel audio amplification module.
The sound equipment of described comprehensive sound field; Wherein, Also comprise wireless receiving module; Said wireless receiving module is connected with DSP digital audio processing module with the MCU central processing unit respectively, is used to receive the wireless signal of the voice data of signal source emission, and this wireless signal decoding is reduced into audio signal transmission gives DPS digital audio processing module.
The sound equipment of described comprehensive sound field, wherein, said sound equipment body is five side column shapes.
The sound equipment of described comprehensive sound field, wherein, said mega bass loud speaker is positioned at the bottom of sound equipment body.
The sound equipment of described comprehensive sound field, wherein, said sound equipment body is hexagon cylindricality or arc cylindricality.
The sound equipment of described comprehensive sound field, wherein, what also comprise the basic function that is used for the Long-distance Control sound equipment shakes the control module, and the said control module of shaking is connected with the MCU central processing unit.
Compared to prior art; The sound equipment of comprehensive sound field provided by the invention comprises that MCU central processing unit, DSP digital audio processing module, L channel audio frequency amplification module, right audio channel amplification module, a left side are around audio frequency amplification module, right around audio frequency amplification module, center channels audio frequency amplification module, supper bass channel audio amplification module and overhead channel audio amplification module; And the diverse location at the sound equipment body is provided with left circulating loudspeaker, right circulating loudspeaker, left channel loudspeaker, right channel loudspeaker, center loudspeaker, overhead loud speaker and mega bass loud speaker; Make the left circulating loudspeaker of side, back and the sound of right circulating loudspeaker output; Reflex to the zone of listening at user place through metope; And utilize ceiling that voice signal is reflected the zone of listening to of getting off to deliver to the user through the overhead loud speaker, build a kind of sound field true to nature, three-dimensional, omnibearing.
Sound system provided by the invention has also adopted wireless receiving module to accept audio signal, need not too much cabling and puts simply, incorporates easily in the domestic environment, makes the user can obtain high-quality tonequality sound field within a large range and enjoys.
Description of drawings
The structural representation of the sound equipment of the comprehensive sound field that Fig. 1 provides for the embodiment of the invention.
The circuit theory diagrams of the sound equipment of the comprehensive sound field that Fig. 2 provides for the embodiment of the invention.
The sound equipment body of the sound equipment of the comprehensive sound field that Fig. 3 provides for the embodiment of the invention is the structural representation of hexagon cylindricality.
The sound equipment body of the sound equipment of the comprehensive sound field that Fig. 4 provides for the embodiment of the invention is the structural representation of arc column.
Embodiment
The sound equipment of the comprehensive sound field that the embodiment of the invention provides is the complete sound system of a cover; Comprise circuit part and acoustics part; It has adopted the vertical tower design of single-piece, 360 degree comprehensive sounding, the especially designs of overhead sound channel, can the original 3 D stereo sound field of perfect reduction.And because sound equipment adopts the vertical design of single-piece, the audio signal that sends from program source through wireless receiving so use conveniently, does not receive the restriction of pendulum position, makes the user can obtain high-quality tonequality sound field within a large range and enjoys.
For making the object of the invention, technical scheme and effect clearer, clear and definite, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1 and Fig. 2; The sound equipment of the comprehensive sound field that the embodiment of the invention provides comprises sound equipment body 10, is provided with MCU central processing unit 11, DSP digital audio processing module 21, L channel audio frequency amplification module 31, right audio channel amplification module 41, a left side in the said sound equipment body 10 around audio frequency amplification module 51, right around audio frequency amplification module 61, center channels audio frequency amplification module 71, supper bass channel audio amplification module 81 and overhead channel audio amplification module 91.Said MCU central processing unit 11 is connected with DSP digital audio processing module 21 through iic bus, and said DSP digital audio processing module 21 is connected around audio frequency amplification module 61, center channels audio frequency amplification module 71, supper bass channel audio amplification module 81 and overhead channel audio amplification module 91 around audio frequency amplification module 51, the right side with L channel audio frequency amplification module 31, right audio channel amplification module 41, a left side respectively.
Wherein, said MCU central processing unit 11 is used to realize the basic function of sound equipment, such as: the work of commander's complete machine various piece, analyze the various voice datas of computing, make corresponding instruction measure etc. according to user's control command.Said DSP digital audio processing module 21 is used to handle the various characteristics of digital audio and video signals, for example: functions such as frequency response and amplitude curve, phase place and frequency response curve, HPF high-pass filtering, LPF LPF, BPF bandpass filtering, volume control.Each channel audio amplification module is used for the audio signal after handling through DSP digital audio processing module 21 is carried out power amplification, is amplified to enough amplitudes and promotes the loud speaker sounding.
In the embodiment of the invention; The rear side of said sound equipment body 10 is provided with left circulating loudspeaker 52 and right circulating loudspeaker 62; Be respectively arranged with left channel loudspeaker 32 and right channel loudspeaker 42 in the both sides of sound equipment body 10; The front of sound equipment body 10 is provided with center loudspeaker 72, and the end face of said sound equipment body 10 is provided with overhead loud speaker 92, also is provided with mega bass loud speaker 82 on the said sound equipment body 10.
Said left circulating loudspeaker 52 is connected around audio frequency amplification module 51 with a left side; Right circulating loudspeaker 62 is connected around audio frequency amplification module 61 with right; Said left channel loudspeaker 32 is connected with L channel audio frequency amplification module 31; Right channel loudspeaker 42 is connected with right audio channel amplification module 41; Center loudspeaker 72 is connected with center channels audio frequency amplification module 71, and overhead loud speaker 92 is connected with overhead channel audio amplification module 91, and mega bass loud speaker 82 is connected with supper bass channel audio amplification module 81.
In a further embodiment; The sound equipment of said comprehensive sound field also comprises wireless receiving module 101; Said wireless receiving module 101 is connected with MCU central processing unit 11 through iic bus, and passes through the IIS bus and be connected with DSP digital audio processing module 21, is used to receive the wireless signal of the voice data that signal source launches; And the decoding of this wireless signal is reduced into audio signal, be transferred to DSP digital audio processing module 21 with the IIS digital form.
The sound equipment of comprehensive sound field provided by the invention passes through the digital audio and video signals that decoding processing obtains the IIS form through the wireless signal that wireless receiving module 101 will receive the emission of signal source end; Sending to DSP digital audio processing module 21 afterwards handles; Obtain the audio signal of multichannel through audio frequency sound field algorithm; Afterwards this signal is sent to respectively in each corresponding channel audio amplification module and carry out power amplification, the audio-signal-driven loud speaker sounding after the amplification.It is thus clear that; Functions such as wireless receiving, signal operation, processing, decoding, amplification have been contained in the present invention; Utilized the left and right circulating loudspeaker that is arranged on sound equipment body 10 rear sides to reflect the zone of listening to of delivering to the user place through metope; Especially utilize ceiling that voice signal is reflected the zone of listening to of getting off to deliver to the user through overhead loud speaker 92, build a kind of sound field true to nature, three-dimensional, omnibearing, and put simple, need not too much cabling, as easy as rolling off a log incorporating in the domestic environment.
In the specific implementation, said sound equipment body 10 is five side column shapes, and is as shown in Figure 1, and the base of sound equipment body 10 is positive five side columns bigger slightly than sound equipment body 10, makes whole sound equipment have tower unique profile.And; The front of sound equipment body 10 is the face at place, regular pentagon base; Present embodiment is installed in center loudspeaker 72 central authorities of this face; Left channel loudspeaker 32 and right channel loudspeaker 42 are installed in the central authorities with positive adjacent two sides of sound equipment body 10 respectively, left circulating loudspeaker 52 and right circulating loudspeaker 62 are installed in the central authorities of two sides of sound equipment body 10 rear sides respectively, overhead loud speaker 92 is installed in the end face central authorities of sound equipment body 10; Through sound equipment body unique appearance structure; Thereby can make full use of the locus of sound equipment and home environment, particularly utilize the locus of overhead loud speaker 92, left and right circulating loudspeaker 62 to restore the 3 D stereo sound field, bring the high tone quality sound field to enjoy to the user.
Wherein, the position of said mega bass loud speaker 82 on sound equipment body 10 can be provided with arbitrarily, and present embodiment is installed in the bottom of sound equipment body 10 with mega bass loud speaker 82, makes loud speaker all to be housed on each face of sound equipment body.And the sound equipment of described comprehensive sound field also comprises the power module (not shown), and being used for provides correspondent voltage and electric current to each module that need supply power of complete machine.
Certainly in other embodiments, said sound equipment body 10 is hexagon cylindricality (as shown in Figure 3) or arc cylindricality.Wherein, the back side that arc column can be the sound equipment body is the arc column of circular arc, and as shown in Figure 4, the front and back that also can be the sound equipment body all is the arc column of circular arc.When the sound equipment body was the hexagon post, left and right circulating loudspeaker 52,62 was installed in respectively on two sides adjacent with the sound equipment body back side, and left and right sound channels loud speaker 32,42 is installed on two the positive adjacent sides with the sound equipment body, and is as shown in Figure 3.When the sound equipment body was arc column, said left and right circulating loudspeaker 52,62 was installed on the side of sound equipment body, and left and right sound channels loud speaker 32,42 and center loudspeaker 72 are installed on the front of sound equipment body, and be as shown in Figure 4.
Operate for the ease of the user; The sound equipment of said comprehensive sound field also comprises the key-press module 103 that shakes control module 102 and the basic function that is used to control sound equipment of the basic function that is used for the Long-distance Control sound equipment, and the said control module 102 of shaking all is connected with MCU central processing unit 11 with key-press module 103.
In order further to strengthen user's experience, also be provided with the display module that is used for the displaying sound play content on the said sound equipment body 10, said display module is connected with MCU central processing unit 11.
In sum; The present invention has utilized the left circulating loudspeaker of sound equipment body rear side and the sound of right circulating loudspeaker output; Reflex to the zone of listening at user place through metope; And utilize ceiling that voice signal is reflected the zone of listening to of getting off to deliver to the user through the overhead loud speaker, build a kind of sound field true to nature, three-dimensional, omnibearing.But also adopted wireless receiving module to accept audio signal, and need not too much cabling, and put simply, incorporate easily in the domestic environment, make the user can obtain high-quality tonequality sound field within a large range and enjoy.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.

Claims (8)

1. the sound equipment of a comprehensive sound field; Comprise the sound equipment body; It is characterized in that, in said sound equipment body, be provided with MCU central processing unit, DSP digital audio processing module, L channel audio frequency amplification module, right audio channel amplification module, a left side around audio frequency amplification module, right around audio frequency amplification module, center channels audio frequency amplification module, supper bass channel audio amplification module and overhead channel audio amplification module; Said MCU central processing unit is connected with DSP digital audio processing module; Said DSP digital audio processing module is connected around audio frequency amplification module, center channels audio frequency amplification module, supper bass channel audio amplification module and overhead channel audio amplification module around audio frequency amplification module, the right side with L channel audio frequency amplification module, right audio channel amplification module, a left side respectively, wherein:
The rear side of said sound equipment body is provided with left circulating loudspeaker and right circulating loudspeaker; Be respectively arranged with left channel loudspeaker and right channel loudspeaker in the both sides of sound equipment body; The front of sound equipment body is provided with center loudspeaker; The end face of said sound equipment body is provided with the overhead loud speaker, also is provided with the mega bass loud speaker on the said sound equipment body;
Said left circulating loudspeaker is connected around the audio frequency amplification module with a left side; Right circulating loudspeaker is connected around the audio frequency amplification module with right; Said left channel loudspeaker is connected with L channel audio frequency amplification module, and right channel loudspeaker is connected with the right audio channel amplification module, and center loudspeaker is connected with center channels audio frequency amplification module; The overhead loud speaker is connected with overhead channel audio amplification module, and the mega bass loud speaker is connected with supper bass channel audio amplification module.
2. the sound equipment of comprehensive sound field according to claim 1; It is characterized in that; Also comprise wireless receiving module; Said wireless receiving module is connected with DSP digital audio processing module with the MCU central processing unit respectively, is used to receive the wireless signal of the voice data of signal source emission, and this wireless signal decoding is reduced into audio signal transmission gives DPS digital audio processing module.
3. the sound equipment of comprehensive sound field according to claim 1 is characterized in that, said sound equipment body is five side column shapes.
4. the sound equipment of comprehensive sound field according to claim 3 is characterized in that, said mega bass loud speaker is positioned at the bottom of sound equipment body.
5. the sound equipment of comprehensive sound field according to claim 1 is characterized in that, said sound equipment body is hexagon cylindricality or arc cylindricality.
6. the sound equipment of comprehensive sound field according to claim 1 is characterized in that, what also comprise the basic function that is used for the Long-distance Control sound equipment shakes the control module, and the said control module of shaking is connected with the MCU central processing unit.
7. the sound equipment of comprehensive sound field according to claim 1 is characterized in that, also comprises the key-press module of the basic function that is used to control sound equipment, and said key-press module is connected with the MCU central processing unit.
8. the sound equipment of comprehensive sound field according to claim 1 is characterized in that, also is provided with the display module that is used for the displaying sound play content on the said sound equipment body, and said display module is connected with the MCU central processing unit.
CN201110275600.5A 2011-09-16 2011-09-16 Sound box with omnibearing sound field Active CN102325290B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105230043A (en) * 2013-05-22 2016-01-06 雅马哈株式会社 Speaker unit
CN106060726A (en) * 2016-06-07 2016-10-26 微鲸科技有限公司 Panoramic loudspeaking system and panoramic loudspeaking method
CN106792289A (en) * 2016-12-12 2017-05-31 深圳市艾特铭客科技有限公司 Sound equipment
CN107613437A (en) * 2017-09-14 2018-01-19 河北绿影电子科技有限公司 A kind of annular speaker
CN107731139A (en) * 2017-11-14 2018-02-23 苏州数艺网络科技有限公司 Entertaining bus platform Digital Media label apparatus based on AR augmented realities
CN108235191A (en) * 2018-01-02 2018-06-29 联想(北京)有限公司 A kind of output device and its control method
CN108632716A (en) * 2017-03-22 2018-10-09 雅马哈株式会社 Acoustic processing device
CN111615027A (en) * 2020-06-04 2020-09-01 惠州市酷迈尔科技有限公司 High-fidelity 5.1 sound track wireless sound system
CN112188364A (en) * 2019-07-04 2021-01-05 祐鼎科技股份有限公司 One-to-many wireless loudspeaker sound box device
WO2022056950A1 (en) * 2020-09-17 2022-03-24 瑞声声学科技(深圳)有限公司 Audio output device and sound-producing apparatus
CN114650495A (en) * 2021-04-08 2022-06-21 长城汽车股份有限公司 Sound control method and device, sound and vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6625289B1 (en) * 1995-11-29 2003-09-23 Triple W Trading B.V. Stereo loudspeaker system
JP2005064975A (en) * 2003-08-15 2005-03-10 Niro1.Com Inc Speaker system
US20080187155A1 (en) * 2007-02-01 2008-08-07 Jason Hou Surround sound system in a tower enclosure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6625289B1 (en) * 1995-11-29 2003-09-23 Triple W Trading B.V. Stereo loudspeaker system
JP2005064975A (en) * 2003-08-15 2005-03-10 Niro1.Com Inc Speaker system
US20080187155A1 (en) * 2007-02-01 2008-08-07 Jason Hou Surround sound system in a tower enclosure

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105230043B (en) * 2013-05-22 2018-06-15 雅马哈株式会社 Speaker unit
CN105230043A (en) * 2013-05-22 2016-01-06 雅马哈株式会社 Speaker unit
CN106060726A (en) * 2016-06-07 2016-10-26 微鲸科技有限公司 Panoramic loudspeaking system and panoramic loudspeaking method
CN106792289A (en) * 2016-12-12 2017-05-31 深圳市艾特铭客科技有限公司 Sound equipment
CN108632716A (en) * 2017-03-22 2018-10-09 雅马哈株式会社 Acoustic processing device
CN107613437A (en) * 2017-09-14 2018-01-19 河北绿影电子科技有限公司 A kind of annular speaker
CN107731139A (en) * 2017-11-14 2018-02-23 苏州数艺网络科技有限公司 Entertaining bus platform Digital Media label apparatus based on AR augmented realities
CN108235191A (en) * 2018-01-02 2018-06-29 联想(北京)有限公司 A kind of output device and its control method
CN108235191B (en) * 2018-01-02 2020-08-25 联想(北京)有限公司 Output device and control method thereof
CN112188364A (en) * 2019-07-04 2021-01-05 祐鼎科技股份有限公司 One-to-many wireless loudspeaker sound box device
CN111615027A (en) * 2020-06-04 2020-09-01 惠州市酷迈尔科技有限公司 High-fidelity 5.1 sound track wireless sound system
WO2022056950A1 (en) * 2020-09-17 2022-03-24 瑞声声学科技(深圳)有限公司 Audio output device and sound-producing apparatus
CN114650495A (en) * 2021-04-08 2022-06-21 长城汽车股份有限公司 Sound control method and device, sound and vehicle

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