CN206274680U - A kind of sound equipment - Google Patents

Abstract

The utility model provides a kind of sound equipment, including head unit, left and right sound channels loudspeaker and left and right circulating loudspeaker, the left and right acoustic channels loudspeaker and left and right circulating loudspeaker are installed on the head unit, the left and right acoustic channels loudspeaker is installed on the middle part of head unit, and the left and right circulating loudspeaker is respectively arranged in the both sides of left and right acoustic channels loudspeaker.After using above-mentioned technical proposal, on the one hand, the left and right acoustic channels loudspeaker and left and right circulating loudspeaker make sound equipment be integrated on head unit.On the other hand, the left and right acoustic channels sound that left and right acoustic channels loudspeaker is produced directly can be passed in human ear, make one to experience stereo；The right and left rings that the left and right circulating loudspeaker is produced reach human ear around sound by being later than left and right acoustic channels sound after glass, wall reflection, produce strong stereo-circulation effect.So as to realize that sound equipment can produce strong stereo-circulation effect, but it is compact it is practical, be convenient for carrying, applicability is wide.

Description

A kind of sound equipment

Technical field

The utility model is related to sound technique field, and in particular to a kind of sound equipment.

Background technology

After people enter mobile Internet society, the digital multimedia amusement epoch are stepped into immediately, the form of music media is rich Rich various, and gradually possess mobile and immanent characteristic, the sound effects content quality that it is supported also more and more higher causes people Seek highly compatible, be convenient for carrying, high-quality stereo set.

The existing high-quality sound equipment that can produce stereo-circulation sound is usually to apply in home theater or in movie theatre, such as 5.1 sound channels, it puts left speaker by putting multiple loudspeakers, left front in movie theatre, and front is put in putting and raised one's voice Right speaker is put in device, right front, and surround sound loudspeaker is put on left side and right side, and subwoofer is put at screen rear, point L channel, center channels, R channel, right and left rings Yong Yu not played around sound channel and subwoofer, so as to produce stereo-circulation effect. But this sound system is more complicated, cumbersome, and expensive, be not suitable for general domestic. applications, it is impossible to meet most of The requirement of people.

Utility model content

In view of this, the utility model provides a kind of can producing stereo-circulation effect and convenient and practical, applicability Extensively, moderate sound equipment.

The utility model is achieved in that a kind of sound equipment, including head unit, left channel loudspeaker, R channel are raised one's voice Device, left circulating loudspeaker and right surround loudspeaker, the left channel loudspeaker, right channel loudspeaker, left circulating loudspeaker with And right surround loudspeaker is installed on the head unit, the left channel loudspeaker is installed on head unit with right channel loudspeaker Middle part, the left circulating loudspeaker and right surround loudspeaker are respectively arranged in the two of left channel loudspeaker and right channel loudspeaker Side.

Wherein, the included angle A between the left channel loudspeaker and right channel loudspeaker is 30-150 degree, and left the surrounding is raised Included angle B between sound device and right surround loudspeaker is 190-300 degree.

Wherein, the left circulating loudspeaker and the angle E of horizontal plane are 5-60 degree, the right surround loudspeaker and horizontal plane Angle F be 5-60 degree.

Wherein, the included angle A between the left channel loudspeaker and right channel loudspeaker is 90 degree, the left circulating loudspeaker It it is 210 degree with the included angle B between right surround loudspeaker, the left circulating loudspeaker is 15 degree, the right side with the angle E of horizontal plane Circulating loudspeaker is 15 degree with the angle F of horizontal plane.

Wherein, the head unit is cylindrical structure.

Wherein, also including control unit, described control unit controls left cincture audio signals to believe relative to left audio High-frequency signal time delay 20-80ms outputs in number, described control unit controls right surround audio signal relative to right audio channel High-frequency signal time delay 20-80ms outputs in signal.

Wherein, the high-frequency signal in the left channel audio signal prolongs relative to the high-frequency signal in right channel audio signal When or in advance 5-30ms output, the left cincture audio signals are relative to the time delay of right surround audio signal or 5-30ms is defeated in advance Go out.

Wherein, also including bass output unit, the head unit is arranged on the bass output unit.

Wherein, the bass output unit includes sound equipment cavity, loudspeaker, the waveguide pipe for propagating sound and diffusion sound Diffuser, the head unit is installed on sound equipment cavity, the loudspeaker in sound equipment cavity, the sound equipment cavity bottom Portion seals, and the waveguide pipe is installed in sound equipment cavity and is located at loudspeaker top, and the diffuser is located at waveguide pipe top.

Wherein, also including wireless connection unit.

After using above-mentioned technical proposal, on the one hand, the left channel loudspeaker, left circulating loudspeaker, right surround are raised one's voice On head unit, sound equipment is integrated for device and right channel loudspeaker, makes acoustic structure simple, compact, convenient real With not taking up space.On the other hand, the left channel loudspeaker is installed on the middle part of head unit with right channel loudspeaker, its generation L channel sound and right channel sound directly can be passed in human ear, make one to experience stereo；It is described left circular Loudspeaker is respectively arranged in the both sides of left channel loudspeaker and right channel loudspeaker, the left ring produced by it with right surround loudspeaker Human ear is reached by being later than L channel sound and right channel sound after glass, wall reflection around sound and right surround sound, is produced Strong stereo-circulation effect.So as to realize that sound equipment can produce strong stereo-circulation effect, but it is compact it is practical, conveniently take Band, applicability is wide.

Brief description of the drawings

A kind of schematic perspective view of sound equipment that Fig. 1 is provided by the utility model preferred embodiment.

A kind of top view of sound equipment that Fig. 2 is provided by the utility model preferred embodiment.

A kind of another schematic perspective view of sound equipment that Fig. 3 is provided by the utility model preferred embodiment.

A kind of internal structure schematic perspective view of sound equipment that Fig. 4 is provided by the utility model preferred embodiment.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain The utility model, is not used to limit the utility model.

It should be pointed out that sound channel (Sound Channel) refers to sound being gathered in different spatial in recording or broadcasting Or the separate audio signal of playback, so corresponding when source of sound quantity when channel number i.e. sound recording or playback Number of loudspeakers.L channel is the sound output of the audibility range generation of the simulation left ear of the mankind in electronic equipment, and R channel is electricity The sound output that the audibility range of mankind's auris dextra is produced is simulated in sub- equipment.It is stereo, refer to just, with relief sound, to stand Body sound includes direct sound wave, reflected sound and reverberation sound, and direct sound wave refers to the sound for being propagate directly to audience or so ear.Reflected sound is Refer to from chamber internal surface after first, reach audience's sound in the ears, about more late than direct sound wave more than ten to a few tens of milliseconds.Reverberation sound Refer to sound in the hall by after each boundary face and barrier repeatedly random reflection, formed it is unrestrained it is directionless, diffuse whole The lingering sound that curls upwards in individual space.Surround sound, is exactly that the direction of each sound source in original signal can be reproduced in playback, appreciator is had one Plant the sensation surrounded by the sound from different directions.

Refer to Fig. 1-4, the utility model provides a kind of sound equipment 100, including head unit 20, left channel loudspeaker 21, Right channel loudspeaker 22, left circulating loudspeaker 24 and right surround loudspeaker 25, the left channel loudspeaker 21, R channel are raised one's voice Device 22, left circulating loudspeaker 24 and right surround loudspeaker 25, it is installed on the head unit 20, the left channel loudspeaker 21 With the middle part that right channel loudspeaker 22 is installed on head unit 20, the left circulating loudspeaker 24 distinguishes with right surround loudspeaker 25 It is installed on the both sides of left channel loudspeaker 21 and right channel loudspeaker 22.

In the present embodiment, the head unit 20 is a hollow cylinder with the end, as tubbiness.The head unit Left channel loudspeaker installation portion is sequentially provided with 20 inwall sustained heights（Not shown in figure）, left circulating loudspeaker installation portion（Figure Not shown in）, right surround loudspeaker installation portion（Not shown in figure）And right channel loudspeaker installation portion（Not shown in figure）, institute State left channel loudspeaker 21, left circulating loudspeaker 24, right surround loudspeaker 25 and right channel loudspeaker 22 and be separately mounted to a left side Channel loudspeaker installation portion, left circulating loudspeaker installation portion, right surround loudspeaker installation portion and right channel loudspeaker installation portion On, and the left channel loudspeaker 21, left circulating loudspeaker 24, right surround loudspeaker 25 and right channel loudspeaker 22 are respective Vibrating diaphragm is each external respectively, respective correspondence left channel loudspeaker installation portion, left circulating loudspeaker on the outer wall of head unit 20 4 sound dispersion portions 27 are provided with the position of installation portion, right surround loudspeaker installation portion and right channel loudspeaker installation portion, should 4 sound dispersion portions 27 are corresponding in turn in left channel loudspeaker 21, left circulating loudspeaker 24, right surround loudspeaker 25 and right sound Road loudspeaker 22.4 sound dispersion portions 27 are 4 regions of the scattered sound hole of dense distribution on the outer wall of head unit 20.With Left channel loudspeaker 21 and right channel loudspeaker 22 are preceding in face of the side of people, and the left channel loudspeaker 21, left surrounding are raised one's voice Device 24 is located at left side, and the right surround loudspeaker 25, right channel loudspeaker 22 are located at right side.And the left channel loudspeaker 21, Left circulating loudspeaker 24 is symmetrical with right surround loudspeaker 25, right channel loudspeaker 22, i.e., on head unit 20, L channel Loudspeaker 21 is corresponding with the position of right channel loudspeaker 22, and left circulating loudspeaker 24 is relative with the position of right surround loudspeaker 25 Should, and line and left circulating loudspeaker 24 between the center of the left channel loudspeaker 21 and the center of right channel loudspeaker 22 Center and the center of right surround loudspeaker 25 between line it is parallel.

When sound equipment 100 works, left channel loudspeaker 21 and right channel loudspeaker 22 are faced spectators by adjustment head unit 20 Or audience, left circulating loudspeaker 24 tilts backwards with right surround loudspeaker 25.So left channel loudspeaker 21 and R channel are raised one's voice The left channel audio signal and right channel audio signal that device 22 is broadcasted are conveyed directly to audience or spectators, so that people experience With the stereo of spatial impression.Left circulating loudspeaker 24 and right surround loudspeaker 25 because tilting backwards, left circulating loudspeaker 24 The left cincture audio signals and right surround audio signal broadcasted with right surround loudspeaker 25 are by incoming after glass or wall reflection Human ear, is slightly later than left channel audio signal and right channel audio signal reaches human ear, so that people hear the three-dimensional ring of broadness Around sound.

After using above-mentioned technical proposal, on the one hand, the left channel loudspeaker 21, left circulating loudspeaker 24, right surround On head unit 20, sound equipment 100 is integrated, and makes the structure of sound equipment 100 for loudspeaker 25 and right channel loudspeaker 22 Simply, it is compact, convenient and practical not take up space.On the other hand, the left channel loudspeaker 21 is installed on right channel loudspeaker 22 The middle part of head unit 20, its L channel sound for producing and right channel sound directly can be passed in human ear, and making one can be with Experience stereo；The left circulating loudspeaker 24 is respectively arranged in left channel loudspeaker 21 with right sound with right surround loudspeaker 25 The both sides of road loudspeaker 22, the left side produced by it is around sound and right surround sound by being later than left sound after glass, wall reflection Road sound and right channel sound reach human ear, produce strong stereo-circulation effect.So as to realize that sound equipment 100 can be produced strongly Stereo-circulation effect, and it is compact it is practical, be convenient for carrying, applicability is wide.

Fig. 1-4 are referred to, the included angle A between the left channel loudspeaker 21 and right channel loudspeaker 22 is 30-150 degree, Included angle B between the left circulating loudspeaker 24 and right surround loudspeaker 25 is 190-300 degree.

In the present embodiment, axis is the vertical center line vertical with diaphragm of loudspeaker center.When sound equipment 100 works, The left and right acoustic channels loudspeaker of sound equipment 100（21、22）Face people, the horizontal positioned of sound equipment 100, it can be seen that the left side Included angle A between channel loudspeaker 21 and right channel loudspeaker 22 is the axis of left channel loudspeaker 21 and R channel is raised one's voice Angle between the axis of device 22, and included angle A is 90 degree；Between the left circulating loudspeaker 24 and right surround loudspeaker 25 Included angle B is the axis of left circulating loudspeaker 24 in the projection of the bottom of head unit 20 and the axis of right surround loudspeaker 25 Angle between the projection of the bottom of head unit 20, and the included angle B is 210 degree.

When sound equipment 100 works, head unit 20 is adjusted, make left and right acoustic channels loudspeaker（21、22）It is left positioned at the front of audience Each both sides incline 45 degree to channel loudspeaker 21 to the left and right with right channel loudspeaker 22.Now, because the left circulating loudspeaker Included angle B between 24 and right surround loudspeaker 25 is 210 degree, so, can from Fig. 2 the left circulating loudspeaker 24 of apparent to Rear-inclined, inclined angle C is 15 degree, and right surround loudspeaker 25 is also tilted backwards, and inclined angle D is 15 degree.So, left and right Circulating loudspeaker（24、25）The right and left rings for playing out will not be directly entered around sound it is pleasant, can by after glass, wall reflection late Enter human ear in left and right acoustic channels sound.

After above-mentioned technical proposal, left and right acoustic channels loudspeaker（21、22）The left and right acoustic channels sound of broadcasting is passed into sector Broadcast, the people in left side hear L channel sound can slightly before, more than the sound of R channel, the people on right side hears the sound of R channel Can slightly before, more than the sound of L channel so that the people in different azimuth can hear the sound with space multistory sense； Left and right circulating loudspeaker（24、25）The right and left rings for playing out will not be directly entered around sound it is pleasant, can be by glass, wall reflection Left and right acoustic channels sound is later than afterwards into human ear so that people can hear the circular sound with space multistory sense.

It should be pointed out that the included angle A in the present embodiment between left channel loudspeaker 21 and right channel loudspeaker 22 is set to 90 Degree, is best angle.Measured by repetition test, when the angle between left channel loudspeaker 21 and right channel loudspeaker 22 is 90 When spending, left channel loudspeaker 21 is best with the result of broadcast that right channel loudspeaker 22 is obtained.

It should be pointed out that the included angle B described in the present embodiment between left circulating loudspeaker 24 and right surround loudspeaker 25 is set to 210 degree, be best angle.Measured by testing repeatedly, the angle between left circulating loudspeaker 24 and right surround loudspeaker 25 For 210 degree when, left circulating loudspeaker 24 is optimal with the reflecting effect that right surround loudspeaker 25 is obtained.

Fig. 1-4 are referred to, the left circulating loudspeaker 24 is 5-60 degree with the angle E of horizontal plane, and the right surround is raised one's voice Device 25 is 5-60 degree with the angle F of horizontal plane.

In the present embodiment, the left circulating loudspeaker 24 is arranged on the inwall of head unit 20 with right surround loudspeaker 25 On, as seen from Figure 4, the left circulating loudspeaker 24 is the axis of left circulating loudspeaker 24 with the angle E of horizontal plane With the axis of left circulating loudspeaker 24 the bottom of head unit 20 projection（Line 2）Between angle, be equal to loudspeaker 24 Vibrating diaphragm and the angle between the vertical line of the bottom of head unit 20, and angle E be 15 degree, i.e. loudspeaker 24 it is upward Incline 15 degree；Similarly, the right surround loudspeaker 25 is the axis and the right side of right surround loudspeaker 25 with the angle F of horizontal plane The axis of circulating loudspeaker 25 in the angle of the projection of the bottom of head unit 20, be equal to the vibrating diaphragm of loudspeaker 25 with perpendicular to Angle between the vertical line of the bottom of head unit 20, and the angle is 15 degree, i.e., loudspeaker 25 is inclined upwardly 15 degree.

That is, the horizontal positioned of head unit 20, left circulating loudspeaker 24 backward and is inclined upwardly 15 degree, right surround loudspeaker 25 Equally backward and it is inclined upwardly 15 degree.

After above-mentioned technical proposal, when sound equipment 100 works, left circulating loudspeaker 24 is played with right surround loudspeaker 25 The left cincture audio signals for going out and right surround audio signal except can after glass or wall reflection incoming human ear, may be used also By incoming human ear after ceiling reflection, to allow the circular signal faster more accurately incoming human ear, make surrounding effect more Plus substantially, so that the applicability and practicality of sound equipment 100 are wider.

Need especially, it is emphasized that the technique effect of the technical program mainly has：

1st, sound equipment 100 uses integral structure, collection left channel loudspeaker 21, right channel loudspeaker 22, left circulating loudspeaker 24 and right surround loudspeaker 25 with all over the body, it is easy to carry, do not take up space, it is adaptable to which several scenes are used.

2nd, each both sides incline 45 degree to left channel loudspeaker 21 to the left and right with right channel loudspeaker 22 so that left and right acoustic channels are raised Sound device（21、22）The left and right acoustic channels sound of broadcasting is propagated into sector, the people in left side hear L channel sound can slightly before, be more than The sound of R channel, the people on right side hear R channel sound can slightly before, more than the sound of L channel so that in not Tongfang The people of position can hear the sound with space multistory sense.Simultaneously as left circulating loudspeaker 24 backward and is inclined upwardly 15 Degree, right surround loudspeaker 25 equally backward and is inclined upwardly 15 degree.So that left and right circulating loudspeaker（24、25）The right and left rings of broadcasting Upwardly propagated backward around sound, by be later than after wall, glass, ceiling reflection left and right acoustic channels sound reach human ear so that Allow that people hears the circular sound with space multistory sense.Only need to a sound equipment 100 and can be achieved with many sound equipments to reach The effect for arriving.

It should be pointed out that left circulating loudspeaker 24 described in the present embodiment is 15 degree, the right surround with the angle E of horizontal plane Loudspeaker 25 is 15 degree with the angle F of horizontal plane, is best angle.Measured by testing repeatedly, when left circulating loudspeaker 24 with The angle E of horizontal plane is 15 degree, when the angle F of right surround loudspeaker 25 and horizontal plane is 15 degree, left circulating loudspeaker 24 and the right side The reflecting effect that circulating loudspeaker 25 is obtained is optimal.

Refer to Fig. 1-4, the left and right circulating loudspeaker（24、25）It is all directional loudspeaker.

In the present embodiment, the left and right circulating loudspeaker（24、25）It is customization high directivity high-frequency loudspeaker, refers to Tropism loudspeaker is a kind of New-type loudspeaker that voice signal can be oriented transmitting, and the customization high directivity high-frequency is raised Sound utensil has following outstanding advantages：1. super directive property.Can be to assigned direction with very narrow beam transmission voice signal, position Directly can be received with ear in the people in wave beam, the people in other locus does not receive this voice signal；2. send out Penetrate distance far, the voice signal launched can be made to propagate larger distance；3. flat structure, small volume is lightweight.

After adopting the above technical scheme, when sound equipment works indoors, the left and right circulating loudspeaker（24、25）By high frequency To wall or plate of blooming, we can hear the clear reflected sound from wall or ceiling to rate audio projection, so as to realize true Real strong 3D surrounding effects, it is only necessary to which a sound equipment 100 just realizes the effect that be can be only achieved in many sound equipments.

Fig. 1-4 are referred to, the head unit 20 is cylindrical structure.

In the present embodiment, the head unit 20 is a hollow cylinder, and the left channel loudspeaker 21, R channel is raised Sound device 22, left circulating loudspeaker 24 and right surround loudspeaker 25 are arranged in head unit.

After above-mentioned technical proposal, the profile of sound equipment 100 is cylindrical structure, is easy to put, and is occupied little space.This Outward, head unit 20 is cylindrical structure, is easy to its internal each loudspeaker to be put into circumference.

It is worth especially set out, head unit 20 can also be other structures, such as rectangular structure, or polygon prism knot Structure.

Fig. 1-4 are referred to, sound equipment 100 also includes control unit（Not shown in figure）, described control unit control is left to be surround Audio signal is relative to 20-80 milliseconds of high-frequency signal time delay in left channel audio signal（ms）Output, described control unit control Right surround audio signal processed is relative to 20-80 milliseconds of high-frequency signal time delay in right channel audio signal（ms）Output.

In the present embodiment, sound equipment 100 also includes being amplified for the weak audio electric signal to control unit input Power amplifier unit（Not shown in figure）, the left channel audio signal of the power amplifier unit output, right channel audio signal, a left side surround Audio signal and right surround audio signal connect left channel loudspeaker 21, right channel loudspeaker 22, left circulating loudspeaker 24 respectively And right surround loudspeaker 25.The audio signal that audio signal source is input into is separated into left audio letter by described control unit Number, right channel audio signal, left cincture audio signals and right surround audio signal, and these signals are done with corresponding treatment, So that left cincture audio signals are exported relative to the high-frequency signal time delay 20-80ms in left channel audio signal, and cause right ring Around audio signal relative to the high-frequency signal time delay 20-80ms outputs in right channel audio signal, and both time delays when personal attendant The output of audio signal and be continually changing.Then the audio signal after treatment is conveyed to power amplifier unit, power amplifier by control unit The weak audio electric signal that be input into for control unit by unit is amplified, and the left channel audio signal after amplification is conveyed into a left side Right channel audio signal after amplification is simultaneously conveyed to right channel loudspeaker 22 and surround the left side after amplification by channel loudspeaker 21 Signal is conveyed to left circulating loudspeaker 24 and the right surround signal after amplification is conveyed into right surround loudspeaker 25, and L channel is raised Sound device 21, right channel loudspeaker 22, left circulating loudspeaker 24 and right surround loudspeaker 25 are by left channel audio signal, R channel Audio signal, left cincture audio signals and right surround audio signal are broadcasted simultaneously, i.e., we can be heard with stereo-circulation The sound of effect.

After above-mentioned technical proposal, when sound equipment 100 works, because left cincture audio signals are later than left audio letter HFS in number is broadcasted, and the HFS that right surround audio signal is later than in right channel audio signal is broadcasted so that left and right The HFS that HFS in surround sound is later than in left and right sound channels sound respectively reaches human ear, so as to produce the solid of broadness Around sound.Common music is finally set to show the circular miraculous effects of 3D.

It is worth especially set out, in the present embodiment, control unit controls left cincture audio signals relative to L channel High-frequency signal time delay 20-80ms outputs, control right surround audio signal in audio signal is relative in right channel audio signal High-frequency signal time delay 20-80ms outputs be that the duration of a kind of dynamic change, i.e. its time delay is with the output of audio signal It is continually changing between 20-80ms.

It is worth especially set out, control unit can also control left cincture audio signals relative to left channel audio signal In high-frequency signal time delay output, control right surround audio signal it is defeated relative to high-frequency signal time delay in right channel audio signal Go out, but its delay duration is certain certain value between 20-80ms, i.e. and the duration of time delay will not change with time and change.Simply Such technique effect is not as in the present embodiment.

Fig. 1-4 are referred to, the high-frequency signal in the left channel audio signal is relative to the height in right channel audio signal Frequency signal lag or in advance 5-30ms outputs, the left cincture audio signals are relative to the time delay of right surround audio signal or in advance 5-30ms is exported.

In the present embodiment, the audio signal that audio signal source is input into is separated into left audio letter by described control unit Number, right channel audio signal, left cincture audio signals and right surround audio signal, and these signals are done with corresponding treatment, So that high-frequency signal in left channel audio signal relative to the high-frequency signal time delay 5-30ms outputs in right channel audio signal, So that left cincture audio signals are exported relative to right surround audio signal time delay 5-30ms, and both time delays duration with audio The output of signal and be continually changing；Simultaneously so that left cincture audio signals are relative to the high-frequency signal in left channel audio signal Time delay 20-80ms is exported, and causes right surround audio signal relative to the high-frequency signal time delay 20- in right channel audio signal 80ms is exported, and the duration of both time delays is continually changing with the output of audio signal.Then control unit is by after treatment Audio signal is conveyed to power amplifier unit, and the weak audio electric signal that be input into for control unit by power amplifier unit is amplified, and will put Left channel audio signal after big is conveyed to left channel loudspeaker 21 and right channel audio signal after amplification is conveyed into R channel A left side after amplification is simultaneously conveyed to the left circulating loudspeaker 24 and right surround signal after amplification is defeated by loudspeaker 22 around signal Right surround loudspeaker 25 is given, left channel loudspeaker 21, right channel loudspeaker 22, left circulating loudspeaker 24 and right surround are raised one's voice Device 25 broadcasts left channel audio signal, right channel audio signal, left cincture audio signals and right surround audio signal simultaneously, I.e. we can hear the sound with stereo-circulation effect.

After above-mentioned technical proposal, when sound equipment 100 works, due to the HFS in left channel audio signal a little later HFS in right channel audio signal is broadcasted, and left cincture audio signals are broadcasted later than right surround audio signal so that The HFS that HFS in L channel sound is later than in right channel sound reaches human ear so that height of the left side in sound The HFS that frequency is partly later than in right surround sound reaches human ear, so as to make one to obtain broad space multistory sense.Again simultaneously The HFS being later than due to left cincture audio signals in left channel audio signal is broadcasted, and right surround audio signal is later than R channel HFS in audio signal is broadcasted so that the HFS in left and right surround sound is later than the height in left and right sound channels sound respectively Frequency part reaches human ear, so as to make one both to obtain the stereo space sense of broadness, have can experience by music ring around sensation.Finally Common music is set to show the circular miraculous effects of 3D.

It is worth especially set out, in the present embodiment, the high-frequency signal in left channel audio signal is relative to R channel High-frequency signal time delay 5-30ms outputs and left cincture audio signals in audio signal is relative to right surround audio signal time delay 5- 30ms outputs are all a kind of dynamic changes, and the duration of this both time delay can be continuous between 5-30ms with the output of audio signal Change.

It is worth especially set out, the high-frequency signal in left channel audio signal is relative to the height in right channel audio signal Frequency signal lag 5-30ms is exported, but time delay when a length of 5-30ms between the duration of certain certain value, i.e. time delay will not anaplasia at any time Change and change.Simply such technique effect is not as in the present embodiment.

It is worth especially set out, left cincture audio signals are exported relative to the time delay of right surround audio signal, but its time delay Certain certain value between Shi Changwei 5-30ms, the i.e. duration of time delay will not change with time and change.Simply such technology is imitated Fruit is not as in the present embodiment.

It should be pointed out that the high-frequency signal in left channel audio signal can be believed relative to the high frequency in right channel audio signal Number time delay 5-30ms output, the high-frequency signal in left channel audio signal can also be relative to the high frequency in right channel audio signal Signal shifts to an earlier date 5-30ms outputs.In the present embodiment, using the high-frequency signal in left channel audio signal relative to R channel sound The design of the high-frequency signal time delay 5-30ms outputs in frequency signal.

It should be pointed out that the left cincture audio signals can be exported relative to right surround audio signal time delay 5-30ms, it is left Cincture audio signals can also shift to an earlier date 5-30ms and export relative to right surround audio signal.In the present embodiment, it is surround using a left side Audio signal is relative to the design that right surround audio signal time delay 5-30ms is exported.

It should be pointed out that the high-frequency signal in the left channel audio signal is believed relative to the high frequency in right channel audio signal Number time delay or in advance 5-30ms outputs, are that described control unit controls left audio again on the basis of original audio signal What the high-frequency signal in signal was exported relative to the high-frequency signal time delay in right channel audio signal or in advance 5-30ms.So as to shape Into the stereo of broadness.

It should be pointed out that the left cincture audio signals are exported relative to right surround audio signal time delay 5-30ms, it is in original Described control unit controls left cincture audio signals relative to right surround audio signal time delay again on the basis of having audio signal 5-30ms is exported.So as to obtain the stereo of broadness.

Need especially, it is emphasized that the technique effect of the technical program mainly has：

1st, the left channel loudspeaker 21, left circulating loudspeaker 24, right surround loudspeaker 25, right channel loudspeaker 22 are located at On head unit 20 so that sound equipment 100 is integrated so that the simple structure of sound equipment 100, it is compact, convenient and practical not Take up space.

2nd, the HFS in control unit control left channel audio signal is relative to the high frequency in right channel audio signal Time delay 5-30ms in part is exported；Control unit controls left cincture audio signals defeated relative to right surround audio signal time delay 5-30ms Go out；Control unit control left cincture audio signals relative to the high-frequency signal time delay 20-80ms outputs in left channel audio signal, And control right surround audio signal is relative to the high-frequency signal time delay 20-80ms outputs in right channel audio signal, so that " time changes Take distance ", each loudspeaker is at a distance put the same 3D stereo-circulation music for producing stereovision, spatial impression extremely strong, from And realization only needs to the effect that a sound equipment 100 is just realized being can be only achieved in many sound equipments.

3rd, each both sides incline 45 degree to the left channel loudspeaker 21 to the left and right with right channel loudspeaker 22, and a left side surround and raises one's voice Device 24 backward and is inclined upwardly 15 degree, and right surround loudspeaker 25 equally backward and is inclined upwardly 15 degree, the putting angle of each loudspeaker Degree controls the output time delay of each audio signal to cooperate with control unit so that the reflected sound evening of left and right cincture audio signals The time of human ear is reached in left and right sound channels audio signal, common music is showed the circular miraculous effects of 3D.

Fig. 1-4 are referred to, sound equipment 100 also includes bass output unit 10, and it is defeated that the head unit 20 is arranged on the bass Go out on unit 10.

In the present embodiment, the bass output unit 10 is subwoofer.10 output 20- of general bass output unit The low-frequency sound of 200HZ, the head unit 20 is arranged on bass output unit 10.When sound equipment 100 works, control unit will Receive audio signal be separated into low frequency signal, left channel audio signal, right channel audio signal, left cincture audio signals and Right surround audio signal etc., and to the low frequency signal, left channel audio signal, right channel audio signal, left cincture audio signals And right surround audio signal does corresponding treatment, the HFS in left channel audio signal is set to believe relative to right audio channel HFS time delay 5-30ms outputs in number；Make left cincture audio signals defeated relative to right surround audio signal time delay 5-30ms Go out；Make left cincture audio signals relative to the high-frequency signal time delay 20-80ms outputs in left channel audio signal and make right surround Audio signal is exported relative to the high-frequency signal time delay 20-80ms in right channel audio signal.Then after control unit will be processed Audio signal be conveyed to power amplifier unit, the weak audio electric signal that be input into for control unit by power amplifier unit is amplified, and will Low frequency signal after amplification is conveyed to bass output unit 10, is raised while left channel audio signal after amplification is conveyed into L channel Sound device 21, while by right channel audio signal after amplification be conveyed to right channel loudspeaker 22, while will amplify rear left around audio frequency Signal is conveyed to left circulating loudspeaker 24, while being conveyed to right surround loudspeaker 25 by rear right cincture audio signals are amplified.Finally, Bass output unit 10 plays the low frequency signal after amplifying, and left channel loudspeaker 21 plays out the left audio letter after amplifying Number, while right channel loudspeaker 22 play out amplify after right channel audio signal, left circulating loudspeaker 24 play out amplification after Left cincture audio signals and right surround loudspeaker 25 play out amplify after right surround audio signal, so we just hear The 3D music of great shock effect.

After above-mentioned technical proposal, when sound equipment 100 works, left channel loudspeaker 21, right channel loudspeaker 22, Zuo Huan Left channel audio signal, right channel audio signal, a left side are played out respectively around sound around loudspeaker 24 and right surround loudspeaker 25 Frequency signal and right surround audio signal, so as to produce the extremely strong stereo-circulation sound of stereovision, spatial impression；Bass output unit 10 Output（It is super）Low frequency signal, has impact, has the subwoofer of impulsive force.So as to sound equipment 100 can play out it is multi-level and Stereovision is extremely strong, very agile, have impulsive force, have impact, vital stereo-circulation music, gives U.S. Enjoyment.

Refer to Fig. 1-4, the guided wave that the bass output unit 10 includes sound equipment cavity 11, loudspeaker 12, propagates sound The diffuser 14 of pipe 13 and diffusion sound, the head unit 20 is installed on sound equipment cavity 11, and the loudspeaker 12 is located at In sound equipment cavity 11, the sealed bottom of sound equipment cavity 11, the waveguide pipe 13 puts in sound equipment cavity 11 and is located at loudspeaker 12 tops, the diffuser 14 is located at the top of waveguide pipe 13.The diffuser 14 is cone-shaped diffuser.

In the present embodiment, the loudspeaker 12 be woofer, the sound equipment cavity 11 by cavity seat 111, it is ultra-thin Cavity body 112 and cavity lid 113 constitute, the cavity body 112 is a hollow cylinder, cavity seat 111 and cavity Lid 113 is disc-shape, and the cavity seat 111 is arranged on the lower end of cavity body 112, and the cavity lid 113 is arranged on cavity The upper end of body 112,111 centre positions of cavity seat are provided with an elongated pillar 121, and the loudspeaker 12 is installed in the branch On post 121, the waveguide pipe 13 is a hollow pipe shape, and the diffuser 14 is cone-shaped diffuser.On the cavity lid 113 It is provided with waveguide pipe installation portion（Not shown in figure）, waveguide pipe installation portion is located at the surface of loudspeaker 12, the upper end of waveguide pipe 13 On waveguide pipe installation portion, the lower end of the waveguide pipe 13 is put in cavity body 112, and the lower nozzle of waveguide pipe 13 is hanging In the surface of loudspeaker 12, the front anti-phase acoustic wave of loudspeaker 12 can outwards discharge mega bass by waveguide pipe 13.It is described Diffuser installation portion 141 is additionally provided with cavity lid 113, the diffuser installation portion 141 is 4 columns, and the diffuser is installed Portion 141 is located at the surface of waveguide pipe 13, and the diffuser 14 is arranged on diffuser installation portion 141, the diffuser 14 Lower end is located at the center of the upper orifice of waveguide pipe 13, and the lower end of diffuser 14 is somewhat visited into and is suspended in pipe in waveguide pipe 13 In mouthful.The head unit 20 is arranged on cavity lid 113.

After adopting the above technical scheme, when sound equipment 100 works, control unit will receive audio signal and isolate low frequency letter Number, and corresponding treatment is done to the low frequency signal, then the low frequency signal after treatment is conveyed to power amplifier unit, work(by control unit Put unit to be amplified the faint low-frequency electrical signal that control unit is input into, and the low frequency signal after amplification is conveyed to loudspeaker 12, loudspeaker 12 plays the low frequency signal, sends murmur, and the vibrating diaphragm up-down vibration of loudspeaker 12 causes loudspeaker 12 attached Near-space gas up-down vibration, due to the sealed bottom of sound equipment cavity 11, the neighbouring air up-down vibration of loudspeaker 12 causes under loudspeaker 12 Air produces propulsive thrust in side space, forces air in the underlying space of loudspeaker 12 to do up-down vibration with the vibrating diaphragm of loudspeaker 12, So as to increased the efficiency of loudspeaker 12, enhance the intensity of bass so that bass is more flexible, have impulsive force, have shock It is power, overcast, simple and honest.

Loudspeaker 12 produce bass, by the lower space of sound equipment cavity 10 supercharging, enhancing after by waveguide pipe 13 to The enhanced front anti-phase acoustic wave of loudspeaker is released to diffuser 14 by outer release, waveguide pipe 13 by its internal pipeline, it is to avoid Bass is disturbed, and diffuser 14 spreads the sound wave to surrounding.Sound equipment cavity 10 can strengthen the bass of the broadcasting of loudspeaker 12, make It is more flexible, have impulsive force, have impact, and the bass interference-free is transferred to diffuser 14, diffuser by waveguide pipe 13 14 by the enhanced bass to surrounding spread, so we can just hear it is clean, flexible, have impulsive force, have impact High-quality bass.

Fig. 1-4 are referred to, the sound equipment cavity 10 is made up of stainless steel material.In the present embodiment, the cavity seat 111st, cavity body 112 and cavity lid 113 are made by stainless steel material, and this is caused in the intensity of sound equipment 100 far above market On the stereo set that is made of other materials, and good airproof performance can strengthen bass.

It is worth especially set out, sound equipment cavity 10 can also be made up of other materials, such as wood materials, such as mould Material.

Fig. 1-4 are referred to, the loudspeaker 12 is located at the 2/3 of the height of sound equipment cavity 11.

In the present embodiment, the height of the pillar 121 approximately accounts for the 2/3 of the height of cavity body 112 so that the loudspeaker 12 are located at the 2/3 of the height of sound equipment cavity 11.

After adopting the above technical scheme, woofer 12 is located at the 2/3 of the height of bass cavity 11 causes bass cavity 11 pairs of enhancings of bass, pressurized effects are optimal.

Especially set out, it is optimum position that the loudspeaker 12 is located at the 2/3 of the height of sound equipment cavity 11, now to low The enhancing effect of sound is optimal, but it is also possible to by loudspeaker 12 in the interior regulation of optimum position upper and lower 20% or so.

Fig. 1-4 are referred to, the waveguide pipe 13 is set to bell mouth shape near one end of loudspeaker 12.

In the present embodiment, the lower nozzle of waveguide pipe 13 is hanging under the surface of loudspeaker 12, the waveguide pipe 13 The mouth of pipe is set to bell mouth shape.

After adopting the above technical scheme, the lower nozzle of waveguide pipe 13 is set to bell mouth shape has more preferable poly- audio really, Preferably, more fully bass can be so sent at diffuser 14 from loudspeaker 12, can additionally strengthen bass Acoustic pressure, reduce noise.

Be worth especially set out, the height of sound equipment cavity 11, the length of waveguide pipe 13, the lower nozzle of waveguide pipe 13 with raise one's voice The distance of device 12 is interactional.When the reduced height of sound equipment cavity 11, the length of waveguide pipe 13, the lower nozzle of waveguide pipe 13 Corresponding can also be reduced with the distance of loudspeaker 12.

Fig. 1-4 are referred to, sound equipment 100 also includes the wireless connection unit with audio signal source wireless connection（Do not show in figure Go out）.The wireless connection unit includes bluetooth module and/or WIFI modules and/or Zigbee modules.

In the present embodiment, the wireless connection unit includes bluetooth module and WIFI modules, and sound equipment 100 can pass through Bluetooth or WIFI are connected with audio frequency apparatus.It is single that the audio signal of audio signal source output sends control to by bluetooth or WIFI Unit.

After adopting the above technical scheme, sound equipment 100 can be connected by way of wireless connection with audio frequency apparatus, so as to carry The use scope of sound equipment 100 high, makes it have more the market competitiveness.

Fig. 1-4 are referred to, sound equipment 100 also includes power supply unit（Not shown in figure）.

In the present embodiment, said supply unit is the battery of built-in recyclable charging.Said supply unit is that bass is defeated Go out unit 10, left channel loudspeaker 21, left circulating loudspeaker 24 single with right surround loudspeaker 25, right channel loudspeaker 22, control Unit, power amplifier unit and wireless connection unit are powered.

After adopting the above technical scheme, sound equipment 100 carries the use scope that power supply unit improves sound equipment 100, make sound equipment 100 use more convenient, practicality, it is had more the market competitiveness.

Fig. 1-4 are referred to, head unit 20 also includes a dust cover（Not shown in figure）, the dust cover is sheathed on sound equipment On body 20.

After adopting the above technical scheme, dust cover can protect left channel loudspeaker 21, left circulating loudspeaker 24, right surround Loudspeaker 25 and right channel loudspeaker 22, prevent dust or other debris from entering left channel loudspeaker 21, left circulating loudspeaker 24th, in right surround loudspeaker 25 and right channel loudspeaker 22, the service life of sound equipment 100 is extended.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is all at this Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. all should be included in the utility model Within the scope of protection.

Claims (10)

1. a kind of sound equipment, it is characterised in that：Including head unit, control unit, the main sound for exporting main sound channel audio signal Road output unit and the circular output unit for exporting cincture audio signals, the main sound channel output unit and around defeated Go out unit to be installed in head unit, described control unit controls cincture audio signals relative to the height in main sound channel audio signal Frequency signal lag 20-80ms is exported.

2. a kind of sound equipment as claimed in claim 1, it is characterised in that：The main sound channel output unit includes left channel loudspeaker And right channel loudspeaker, the high-frequency signal in the left channel audio signal is relative to the high frequency letter in right channel audio signal Number time delay or in advance 5-30ms outputs.

3. a kind of sound equipment as claimed in claim 2, it is characterised in that：The circular output unit include left circulating loudspeaker and Right surround loudspeaker, the left cincture audio signals are relative to the time delay of right surround audio signal or 5-30ms outputs, institute in advance Left cincture audio signals are stated relative to the high-frequency signal time delay 20-80ms outputs in left channel audio signal, the right surround sound Frequency signal is exported relative to the high-frequency signal time delay 20-80ms in right channel audio signal.

4. a kind of sound equipment as claimed in claim 3, it is characterised in that：The left channel loudspeaker is installed with right channel loudspeaker In the middle part of head unit, the left circulating loudspeaker is respectively arranged in left channel loudspeaker and R channel with right surround loudspeaker The both sides of loudspeaker.

5. a kind of sound equipment as claimed in claim 4, it is characterised in that：Between the left channel loudspeaker and right channel loudspeaker Included angle A be 30-150 degree, included angle B between the left circulating loudspeaker and right surround loudspeaker is 190-300 degree.

6. a kind of sound equipment as claimed in claim 5, it is characterised in that：The left circulating loudspeaker is with the angle E of horizontal plane 5-60 degree, the right surround loudspeaker is 5-60 degree with the angle F of horizontal plane.

7. a kind of sound equipment as described in claim 4,5 or 6, it is characterised in that：The left channel loudspeaker is raised one's voice with R channel Included angle A between device is 90 degree, and the included angle B between the left circulating loudspeaker and right surround loudspeaker is 210 degree, the left ring It it is 15 degree around the angle E of loudspeaker and horizontal plane, the right surround loudspeaker is 15 degree with the angle F of horizontal plane.

8. a kind of sound equipment as claimed in claim 7, it is characterised in that：Also include bass output unit, the head unit peace On the bass output unit.

9. a kind of sound equipment as claimed in claim 8, it is characterised in that：The bass output unit includes sound equipment cavity, raises one's voice The diffuser of device, the waveguide pipe for propagating sound and diffusion sound, the head unit is installed on sound equipment cavity, described to raise one's voice In sound equipment cavity, the sound equipment cavity bottom sealing, the waveguide pipe is installed in sound equipment cavity and is located at loudspeaker device Top, the diffuser is located at waveguide pipe top.

10. a kind of sound equipment as claimed in claim 7, it is characterised in that：Also include wireless connection unit.