CN206743473U - A kind of sound equipment - Google Patents
A kind of sound equipment Download PDFInfo
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- CN206743473U CN206743473U CN201621359136.2U CN201621359136U CN206743473U CN 206743473 U CN206743473 U CN 206743473U CN 201621359136 U CN201621359136 U CN 201621359136U CN 206743473 U CN206743473 U CN 206743473U
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Abstract
The utility model provides a kind of sound equipment, a kind of sound equipment, including head unit, control unit, the main sound channel output unit for exporting main sound channel audio signal and the circular output unit for exporting cincture audio signals, the main sound channel output unit and circular output unit are installed in head unit, and described control unit controls cincture audio signals relative to the high-frequency signal delay 20 80ms outputs in main sound channel audio signal.After above-mentioned technical proposal, when sound equipment 100 works, the cincture audio signals that sound equipment 100 exports are delayed relative to the high-frequency signal in main sound channel audio signal and exported, so that cincture audio signals are always more late than HFS in main sound channel audio signal to reach human ear, make one to produce it is a kind of by music ring around space multistory sense.
Description
Technical field
It 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, and the form of music media is rich
It is rich various, and gradually possess mobile and immanent characteristic, its sound effects content quality supported also more and more higher, cause people
Seek highly compatible, be convenient for carrying, the stereo set of high quality.
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 in 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, control unit, for exporting main sound channel
The main sound channel output unit of audio signal and the circular output unit for exporting cincture audio signals, the main sound channel output
Unit and circular output unit are installed in head unit, and described control unit controls cincture audio signals relative to main sound channel
High-frequency signal delay 20-80ms outputs in audio signal.
Wherein, the main sound channel output unit includes left channel loudspeaker and right channel loudspeaker, the L channel sound
High-frequency signal in frequency signal is relative to the high-frequency signal delay or 5-30ms outputs in advance in right channel audio signal.
Wherein, the circular output unit includes left circulating loudspeaker and right surround loudspeaker, the left around audio frequency letter
Number relative to right surround audio signal be delayed or in advance 5-30ms export, the left cincture audio signals are relative to L channel sound
High-frequency signal delay 20-80ms outputs in frequency signal, the right surround audio signal is relative in right channel audio signal
High-frequency signal delay 20-80ms outputs.
Wherein, the left channel loudspeaker is installed on the middle part of head unit with right channel loudspeaker, and left surround is raised
Sound device is respectively arranged in the both sides of left channel loudspeaker and right channel loudspeaker with right surround loudspeaker.
Wherein, the included angle A between the left channel loudspeaker and right channel loudspeaker is 30-150 degree, and left surround is raised
Included angle B between sound device and right surround loudspeaker is 190-300 degree.
Wherein, the angle E of the left circulating loudspeaker and horizontal plane is 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
Included angle B between right surround loudspeaker is 210 degree, and the angle E of the left circulating loudspeaker and horizontal plane is 15 degree, the right side
The angle F of circulating loudspeaker and horizontal plane is 15 degree.
Wherein, in addition to bass output unit, the head unit are 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, and the loudspeaker is in sound equipment cavity, the audio amplifier cavity bottom
Portion is sealed, and the waveguide pipe is installed in sound equipment cavity and above loudspeaker, and the diffuser is above waveguide pipe.
Wherein, in addition to wireless connection unit.
After above-mentioned technical proposal, on the one hand, the left channel loudspeaker 21, left circulating loudspeaker 24, right surround
Loudspeaker 25 and right channel loudspeaker 22 make sound equipment 100 be integrated, so that sound equipment in head unit 26
100 simple in construction, compact, convenient and practical do not take up space.On the other hand, left and right acoustic channels loudspeaker（21、22）The left and right sound of broadcasting
Road sound is propagated into sector, the people in left side hear L channel sound can slightly before, listen more than the sound of R channel, the people on right side
To R channel sound can slightly before, more than the sound of L channel so that the people in different azimuth can hear with sky
Between relief sound, and the HFS in left channel audio signal prolongs relative to the HFS in right channel audio signal
When 5-30ms output, left cincture audio signals relative to right surround audio signal delay 5-30ms output, can greatly reinforce this
Space multistory sense；Left and right circulating loudspeaker（24、25）The right and left rings played out will not be directly entered pleasant around sound, can pass through glass
Left and right acoustic channels sound is later than after glass, wall reflection into human ear so that people can hear surrounding with space multistory sense
Sound, and left cincture audio signals are relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal, right surround audio
Signal can make this surrounding effect more notable relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal.
Brief description of the drawings
A kind of schematic perspective view for sound equipment that Fig. 1 is provided by the utility model preferred embodiment.
A kind of top view for sound equipment that Fig. 2 is provided by the utility model preferred embodiment.
A kind of another schematic perspective view for sound equipment that Fig. 3 is provided by the utility model preferred embodiment.
A kind of internal structure schematic perspective view for sound equipment that Fig. 4 is provided by the utility model preferred embodiment.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
It should be pointed out that sound channel (Sound Channel) refers to that sound gathers in recording or broadcasting in different spatial
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 that sound output caused by the audibility range of the left ear of the mankind is simulated in electronic equipment, and R channel is electricity
Sound output caused by the audibility range of mankind's auris dextra is simulated in sub- equipment.It is stereo, just refer to that there is relief sound, 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, the sound of arrival audience 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 after each boundary face and barrier repeatedly random reflection, formed it is unrestrained it is directionless, diffuse it is whole
The lingering sound that curls upwards in individual space.Surround sound, it is exactly that the direction of each sound source in original signal can be reproduced in playback, appreciator is had one
The sensation that kind is 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 26, control unit, for defeated
Go out the main sound channel output unit 20 of main sound channel audio signal and the circular output unit 23 for exporting cincture audio signals, institute
State main sound channel output unit 20 and be installed on around output unit 23 in head unit 26, described control unit control ring is around sound
Frequency signal is relative to the high-frequency signal delay 20-80 milliseconds in main sound channel audio signal（ms）Output.
The main sound channel audio signal includes the complete audio-frequency information in the audio signal of audio signal source input, including
Voice, accompany and dub in background music.
In the present embodiment, in addition to power amplifier unit, the power amplifier unit are used for the weak audio to control unit input
Electric signal is amplified, and the audio signal that audio signal source inputs is separated into main sound channel audio signal and ring by described control unit
Corresponding processing is done around audio signal, and to these signals, is then fed to power amplifier unit.The power amplifier unit is from control
The inhomogeneous weak audio electric signal of unit is amplified and then conveyed each self-corresponding audio output unit, i.e., by main sound channel
Audio signal is conveyed to main sound channel output unit 20, while cincture audio signals are conveyed to around output unit 23.The sound
Road output unit and circular output unit 23 export the audio signal that power amplifier unit conveying comes simultaneously, that is, send sound.
When sound equipment 100 works, the audio signal received is separated into main sound channel audio signal and around sound by control unit
Frequency signal, and corresponding processing is done to the main sound channel audio signal, cincture audio signals so that cincture audio signals are relative to master
High-frequency signal delay 20-80ms outputs in channel audio signal, the duration of delay constantly become with the output of audio signal
Change, such as when again certain moment, cincture audio signals are exported relative to the high-frequency signal delay 35ms in main sound channel audio signal, worked as
Subsequent time, cincture audio signals export relative to the high-frequency signal delay 50ms in main sound channel audio signal.Then control is single
Audio signal after processing is conveyed to power amplifier unit by member, and the weak audio electric signal that power amplifier unit inputs control unit is carried out
Amplification, and the channel audio signal after amplification is conveyed to main sound channel output unit 20 while believes the around audio frequency after amplification
Number it is conveyed to around output unit 23.Last main sound channel output end member exports corresponding main sound channel audio signal while around defeated
Go out unit 23 and export cincture audio signals.So as to which we can hear beautiful stereo-circulation music.
It should be pointed out that the audio signal source can be TV, LD, VCD, CD, VCR, deck, recorder, mobile phone, computer,
Notebook, Mp3, Mp4 or other any one can discharge the equipment of audio signal.
After above-mentioned technical proposal, when sound equipment 100 works, the cincture audio signals that sound equipment 100 exports are relative to master
High-frequency signal delay output in channel audio signal so that cincture audio signals are always than the high frequency in main sound channel audio signal
Part evening reaches human ear, make one to produce it is a kind of by music ring around third dimension.
It is worth especially set out, in the present embodiment, control unit controls cincture audio signals relative to main sound channel sound
High-frequency signal delay 20-80ms outputs in frequency signal are a kind of dynamic changes, and its duration being delayed is with audio signal
Output constantly changes between 20-80ms.
It is worth especially set out, control unit can also control cincture audio signals relative in main sound channel audio signal
High-frequency signal delay output, but be delayed when a length of 20-80ms between certain certain value, that is, the duration being delayed will not be with the change of time
Change and change.Simply such technique effect is not as in the present embodiment.
Fig. 1-4 are referred to, the main sound channel output unit 20 includes left channel loudspeaker 21 and right channel loudspeaker 22,
High-frequency signal in left channel audio signal is delayed relative to the high-frequency signal in right channel audio signal or 5-30ms is defeated in advance
Go out.
In the present embodiment, when sound equipment 100 works, control unit will receive audio signal and be separated into left audio letter
Number, right channel audio signal and cincture audio signals, and to the left channel audio signal, right channel audio signal and ring
Corresponding processing is made around audio signal so that the high-frequency signal in left channel audio signal is relative in right channel audio signal
High-frequency signal delay 5-30ms output so that cincture audio signals relative in left channel audio signal high-frequency signal be delayed
20-80ms is exported, and the duration being delayed constantly changes with the output of audio signal.Then control unit is by the sound after processing
Frequency signal is conveyed to power amplifier unit, and the weak audio electric signal that control unit inputs is amplified by power amplifier unit, and will amplification
Left channel audio signal afterwards is conveyed to left channel loudspeaker 21 while right channel audio signal after amplification is conveyed into R channel
Loudspeaker 22, while the cincture audio signals after amplification are conveyed to around output unit 23.Finally, left channel loudspeaker 21,
Right channel loudspeaker 22 and circular output unit 23 play out the respective corresponding audio signal after processing.So we are just
Beautiful stereo music can be heard.
After above-mentioned technical proposal, when sound equipment 100 works, the left channel loudspeaker 21 of sound equipment 100 plays out left sound
Audio channel signal sends sound, and right channel loudspeaker 22 plays out right channel audio signal and sends sound, around output unit 23
Output cincture audio signals send sound, and the HFS of left channel audio signal is relative to the high frequency of right channel audio signal
Part delay 5-30ms outputs, cincture audio signals are defeated relative to the high-frequency signal delay 20-80ms in left channel audio signal
Go out.Sound equipment 100 broadcasts left channel audio signal, right channel audio signal and cincture audio signals in the same time, can make
People hears the sound with spatial characteristics such as orientation, levels, gives impression on the spot in person.Left channel audio signal
HFS becomes apparent from this spatial impression relative to the HFS delay 5-30ms outputs of right channel audio signal, makes one
Hear the stereo of broadness；Cincture audio signals are relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal
So that the cincture audio signals in audio signal are able to perfect reproduction, can give people a kind of to be surrounded by various high frequency musical instrument sounds
Feel.
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 delay 5-30ms outputs in audio signal are a kind of dynamic changes, and its duration being delayed is with audio signal
Output constantly changes between 5-30ms.Cincture audio signals are relative to the high-frequency signal delay 20- in left channel audio signal
80ms outputs and a kind of dynamic change, its duration being delayed is as the output of audio signal constantly changes between 20-80ms.
It should be pointed out that control unit can control the high-frequency signal in left channel audio signal to believe relative to right audio channel
High-frequency signal delay 5-30ms outputs in number, can also control the high-frequency signal in left channel audio signal relative to R channel
High-frequency signal in audio signal shifts to an earlier date 5-30ms outputs.In the present embodiment, using control unit control left audio letter
The design that high-frequency signal in number exports relative to the high-frequency signal delay 5-30ms in right channel audio signal.
It should be pointed out that the high-frequency signal in described control unit control left channel audio signal is believed relative to right audio channel
High-frequency signal delay in number or 5-30ms is exported in advance, is the described control unit secondary control again on the basis of original audio signal
High-frequency signal in left channel audio signal processed is relative to the high-frequency signal delay in right channel audio signal or 5-30ms in advance
Output.So as to form the stereo of broadness.
Fig. 1-4 are referred to, the circular output unit 23 includes left circulating loudspeaker 24 and right surround loudspeaker 25, described
Left cincture audio signals are relative to the delay of right surround audio signal or export 5-30ms in advance.The left cincture audio signals phase
For the high-frequency signal delay 20-80ms outputs in left channel audio signal, the right surround audio signal is relative to R channel
High-frequency signal delay 20-80ms outputs in audio signal.
In the present embodiment, when sound equipment 100 works, control unit will receive audio signal and be separated into left audio letter
Number, right channel audio signal, left cincture audio signals and right surround audio signal, and to the left channel audio signal, right sound
Audio channel signal, left cincture audio signals and right surround audio signal are correspondingly processed so that in left channel audio signal
High-frequency signal relative in right channel audio signal high-frequency signal delay 5-30ms output, cause left cincture audio signals phase
For right surround audio signal delay 5-30ms outputs, cause left cincture audio signals relative to the height in left channel audio signal
Frequency signal delay 20-80ms outputs, right surround audio signal is delayed relative to the high-frequency signal in right channel audio signal
20-80ms is exported.Then the audio signal after processing is conveyed to power amplifier unit by control unit, and power amplifier unit is defeated by control unit
The weak audio electric signal entered is amplified, and the left channel audio signal after amplification is conveyed into left channel loudspeaker 21, same
When by right channel audio signal after amplification be conveyed to right channel loudspeaker 22 and meanwhile by amplification rear left cincture audio signals be conveyed to
Left circulating loudspeaker 24, while amplification rear right cincture audio signals are conveyed to right surround loudspeaker 25.Last L channel is raised one's voice
The left circulating loudspeaker 24 of device 21, right channel loudspeaker 22 and right surround loudspeaker 25 play out respective corresponding after handling
Audio signal.So our cans hear beautiful stereo music.
After above-mentioned technical proposal, when sound equipment 100 works, because the HFS in left channel audio signal is relative
HFS delay 5-30ms outputs in right channel audio signal, left cincture audio signals are relative to right surround audio signal
Be delayed 5-30ms outputs so that the HFS in left channel audio signal is always later than the radio-frequency head in right channel audio signal
Assign to intelligent's ear so that left cincture audio signals are always later than right surround audio signal and reach human ear, so as to produce the vertical of broadness
Body-sensing sound；Again due to left cincture audio signals relative in left channel audio signal high-frequency signal delay 20-80ms output,
Right surround audio signal is relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal so that left around audio frequency
The HFS that signal is later than in left channel audio signal reaches human ear, so that right surround audio signal is later than right audio channel letter
HFS in number reaches human ear, so as to obtain the sound with 3D modelling effects, have can experience by music ring around
Feel.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 right surround
Audio signal delay 5-30ms outputs are a kind of dynamic changes, and its duration being delayed is the output with audio signal in 5-30ms
Between constantly change.
It is worth especially set out, control unit can also control left cincture audio signals relative to right surround audio signal
Delay output, but certain certain value of its delay duration between 5-30ms, that is, the duration being delayed will not change with time and change.
Simply such technique effect is not as in the present embodiment.
It should be pointed out that described control unit can control left cincture audio signals relative to right surround audio signal delay 5-
30ms is exported, and left cincture audio signals can also be controlled to shift to an earlier date 5-30ms outputs relative to right surround audio signal.In this implementation
In example, design of the left cincture audio signals relative to the delay 5-30ms outputs of right surround audio signal is controlled using control unit.
It should be pointed out that described control unit controls left cincture audio signals relative to right surround audio signal delay 5-30ms
Output, is that described control unit controls left cincture audio signals relative to right surround sound again on the basis of original audio signal
The delay 5-30ms outputs of frequency signal.So as to obtain the stereo of broadness.
It is worth especially set out, in the present embodiment, control unit controls left cincture audio signals relative to L channel
High-frequency signal delay 20-80ms outputs, control right surround audio signal in audio signal is relative in right channel audio signal
High-frequency signal delay 20-80ms outputs be a kind of dynamic change, its duration being delayed is the output with audio signal in 20-
Constantly change between 80ms.
Be worth it is especially set out, control unit can also left cincture audio signals relative in left channel audio signal
High-frequency signal delay output, control right surround audio signal are delayed relative to the high-frequency signal in right channel audio signal and exported,
But certain certain value of its delay duration between 20-80ms, that is, the duration being delayed will not change with time and change.Simply so
Technique effect not as in the present embodiment.
It needs to be emphasized that the technique effect of the technical program mainly has：
1st, the HFS in left channel audio signal is relative to the HFS delay 5- in right channel audio signal
30ms outputs, left cincture audio signals are relative to the delay 5-30ms outputs of right surround audio signal so that left channel audio signal
In HFS be always later than HFS in right channel audio signal and reach human ear, cause left cincture audio signals always
It is later than right surround audio signal and reaches human ear, so as to produces sound broad, clearly, with space multistory sense.
2nd, left cincture audio signals are relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal, right ring
Around audio signal relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal so that left cincture audio signals
It is later than the HFS in left channel audio signal and reaches human ear, so that right surround audio signal is later than in right channel audio signal
HFS reach human ear, so as to obtain clearly, sound broad, that there is 3D surrounding effects.
3rd, the HFS in left channel audio signal is relative to the HFS delay 5- in right channel audio signal
30ms outputs, left cincture audio signals are relative relative to right surround audio signal delay 5-30ms outputs, left cincture audio signals
High-frequency signal delay 20-80ms outputs and right surround audio signal in left channel audio signal is relative to right audio channel
The delay in high-frequency signal delay 20-80ms outputs in signal is a dynamic change, so that the sound that sound equipment 100 broadcasts
It is more agile, active, have vitality.
4th, in the technical program, using controlling each channel audio signal relative time delay or exporting alternative distances in advance, make each
Loudspeaker need not put the extremely strong 3D stereo-circulation music of same generation stereovision, spatial impression at a distance.
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, the head unit 26 is a hollow cylinder with the end, as tubbiness.The head unit
Left channel loudspeaker installation portion is sequentially provided with 26 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, and left channel loudspeaker installation portion, left circulating loudspeaker are each corresponded on the outer wall of head unit 26
The opening position of installation portion, right surround loudspeaker installation portion and right channel loudspeaker installation portion is provided with 4 sound dispersion portions 27, 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 dissipate the region of sound hole for 4 dense distributions on the outer wall of head unit 26.Institute
It is symmetrical to state left channel loudspeaker 21, left circulating loudspeaker 24 and right surround loudspeaker 25, right channel loudspeaker 22, i.e., in sound
Ring on body 26, the position of left channel loudspeaker 21 and right channel loudspeaker 22 is corresponding, left circulating loudspeaker 24 and right surround
The position of loudspeaker 25 is corresponding, and the line between the left channel loudspeaker 21 and right channel loudspeaker 22 surround with a left side and raised
Line between sound device 24 and right surround loudspeaker 25 is parallel.
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）People is faced, sound equipment 100 is horizontal positioned, it can be seen that the left side
Included angle A between channel loudspeaker 21 and right channel loudspeaker 22 is that the axis of left channel loudspeaker 21 and R channel are 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, makes left and right acoustic channels loudspeaker（21、22）It is left positioned at the front of audience
Each both sides tilt 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 are 15 degree, and right surround loudspeaker 25 also tilts backwards, and inclined angle D is 15 degree.So, left and right
Circulating loudspeaker（24、25）The right and left rings played out will not be directly entered around sound it is pleasant, can after glass, wall reflection late
Enter human ear in left and right acoustic channels sound.After above-mentioned technical proposal, on the one hand, the left channel loudspeaker 21, a left side are surround
Loudspeaker 24, right surround loudspeaker 25 and right channel loudspeaker 22 make 100 integrated knot of sound equipment in head unit 26
Structure, do not taken up space so that sound equipment 100 is simple in construction, compact, convenient and practical.On the other hand, left and right acoustic channels loudspeaker（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, more than the sound of R channel
Sound, the people on right side hear R channel sound can slightly before, more than the sound of L channel so that the people in different azimuth may be used
To hear the sound with space multistory sense, and the HFS in left channel audio signal is relative in right channel audio signal
HFS delay 5-30ms output, left cincture audio signals relative to right surround audio signal delay 5-30ms output, meeting
Strengthen this space multistory sense；Left and right circulating loudspeaker（24、25）The right and left rings played out will not be directly entered around sound it is pleasant,
Left and right acoustic channels sound can be later than after glass, wall reflection into human ear so that people can be heard with space multistory sense
Circular sound, and left cincture audio signals relative in left channel audio signal high-frequency signal delay 20-80ms output, right ring
Around audio signal relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal, this surrounding effect can be made more
Add significantly.
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 arranged 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 and the result of broadcast that right channel loudspeaker 22 obtains are best.
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 and the reflecting effect that right surround loudspeaker 25 obtains are optimal.
Fig. 1-4 are referred to, the angle E of the left circulating loudspeaker 24 and horizontal plane is 5-60 degree, and the right surround is raised one's voice
The angle F of device 25 and horizontal plane is 5-60 degree.
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 angle E of the left circulating loudspeaker 24 and horizontal plane is the axis of left circulating loudspeaker 24
With the projection of the axis of left circulating loudspeaker 24 in the bottom of head unit 20（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 is upward
Tilt 15 degree；Similarly, the angle F of the right surround loudspeaker 25 and horizontal plane is the axis and the right side of right surround loudspeaker 25
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.
Head unit 20 is horizontal positioned, and left circulating loudspeaker 24 backward and is inclined upwardly 15 degree, and right surround loudspeaker 25 is same
Sample backward and is inclined upwardly 15 degree.
After above-mentioned technical proposal, when sound equipment 100 works, left circulating loudspeaker 24 plays with right surround loudspeaker 25
Left cincture audio signals and the right surround audio signal gone out except human ear can be passed to after glass or wall reflection, may be used also
To be passed to human ear after ceiling reflection, the circular signal is faster more accurately passed to human ear, make surrounding effect more
Add substantially, so that the applicability and practicality of sound equipment 100 are wider.
It should be pointed out that the angle E of left circulating loudspeaker 24 described in the present embodiment and horizontal plane is 15 degree, the right surround
The angle F of loudspeaker 25 and horizontal plane is 15 degree, 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 obtains is optimal.
It should be pointed out that after left circulating loudspeaker 24 tilts certain angle back, up, with regard to that can broadcast left circulating loudspeaker 24
The left cincture audio signals put are communicated to human ear after reflection, through experiment learn, when left circulating loudspeaker 24 tilt backwards 15 degree,
Be inclined upwardly 15 degree when, reflecting effect reaches optimum state.Similarly, right surround loudspeaker 25 tilts certain angle back, up
Afterwards, human ear is communicated to after reflection with regard to the right surround audio signal that can play right surround loudspeaker 25, is learnt through experiment, work as the right side
Circulating loudspeaker 25 tilts backwards 15 degree, be inclined upwardly 15 degree when, reflecting effect reaches optimum state.
It needs to be 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, suitable for several scenes use.
2nd, each both sides tilt 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.And the HFS in left channel audio signal is relative to R channel
HFS delay 5-30ms outputs, left cincture audio signals in audio signal is relative to right surround audio signal delay 5-
30ms is exported, and this space multistory sense can be made stronger.
3rd, left circulating loudspeaker 24 backward and is inclined upwardly 15 degree, and 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 propagate backward around sound, by wall, glass, day
Left and right acoustic channels sound is later than after card reflection and reaches human ear, so that people can hear the circular sound with space multistory sense.
And left cincture audio signals are believed relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal, right surround audio
Number relative in right channel audio signal high-frequency signal delay 20-80ms output, this surrounding effect can be made more notable.
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）To customize high directivity high-frequency loudspeaker, refer 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 it can be received in the people in wave beam with ear, the people in other locus does not receive this voice signal；2. send out
Penetrate distance far, the voice signal that can make to launch propagates larger distance；3. flat structure, small volume is in light weight.
After adopting the above technical scheme, when sound equipment works indoors, the left and right circulating loudspeaker（24、25）By high frequency
For rate audio projection to wall or plate of blooming, we can hear the clear reflected sound from wall or ceiling, true so as to realize
Real strong 3D surrounding effects, it is only necessary to which a sound equipment 100 just realizes the effect that can be only achieved in more sound equipments.
It needs to be emphasized that the technique effect of the technical program also includes：
1st, the HFS in control unit control left channel audio signal is relative to the high frequency in right channel audio signal
Part delay 5-30ms outputs；Control unit controls left cincture audio signals defeated relative to right surround audio signal delay 5-30ms
Go out；Control unit control left cincture audio signals relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal,
And control right surround audio signal exports relative to the high-frequency signal delay 20-80ms in right channel audio signal, so that " time changes
Take distance ", each loudspeaker is put the extremely strong 3D stereo-circulation music of same generation stereovision, spatial impression at a distance, from
And realizing only needs a sound equipment 100 just to realize the effect that can be only achieved in more sound equipments.
Fig. 1-4 are referred to, sound equipment 100 also includes bass output unit 10, and it is defeated that the head unit 26 is arranged on the bass
Go out on unit 10.
In the present embodiment, the bass output unit 10 is subwoofer.General 10 output 20- of bass output unit
200HZ low-frequency sound, the head unit 20 are 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 processing, the HFS in left channel audio signal is set to believe relative to right audio channel
HFS delay 5-30ms outputs in number；Make left cincture audio signals defeated relative to right surround audio signal delay 5-30ms
Go out；Make left cincture audio signals relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal and make right surround
Audio signal is relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal.Then after control unit will be handled
Audio signal be conveyed to power amplifier unit, the weak audio electric signal that control unit inputs is amplified by power amplifier unit, and will
Low frequency signal after amplification is conveyed to bass output unit 10 while left channel audio signal after amplification is conveyed into L channel and raises
Sound device 21 at the same by right channel audio signal after amplification be conveyed to right channel loudspeaker 22 and meanwhile will amplify rear left around audio frequency
Signal is conveyed to left circulating loudspeaker 24, while amplification rear right cincture audio signals are conveyed into right surround loudspeaker 25.Finally,
Bass output unit 10 plays the low frequency signal after amplification, and left channel loudspeaker 21 plays out the left audio letter after amplification
Number at the same after right channel loudspeaker 22 plays out the right channel audio signal after amplification, left circulating loudspeaker 24 plays out amplification
Left cincture audio signals and right surround loudspeaker 25 play out amplification 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, produce the extremely strong stereo-circulation sound of stereovision, spatial impression；Bass output unit 10 exports
（It is super）Low frequency signal, there is impact, have the subwoofer of impulsive force.So as to which sound equipment 100 can play out multi-level and level
Feel extremely strong, very agile, having impulsive force, having impact, vital stereo-circulation music, give enjoying for U.S.
By.
Fig. 1-4 are referred to, the bass output unit 10 includes sound equipment cavity 11, loudspeaker 12, the guided wave for propagating sound
Pipe 13 and the diffuser 14 for spreading sound, the head unit 20 are installed on sound equipment cavity 11, and the loudspeaker 12 is located at
In sound equipment cavity 11, the sealed bottom of audio amplifier 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 is woofer, and the sound equipment cavity 11 is by cavity seat 111, ultra-thin
Cavity body 112 and cavity lid 113 form, the cavity body 112 is a hollow cylinder, the 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, the centre position of cavity seat 111 are provided with an elongated pillar 121, and the loudspeaker 12 is arranged on 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
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, the diffuser installation
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 the upper tube of 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 processing is done to the low frequency signal, then the low frequency signal after processing is conveyed to power amplifier unit, work(by control unit
Put the faint low frequency electrical signal that unit inputs control unit to be amplified, and the low frequency signal after amplification is conveyed to loudspeaker
12, loudspeaker 12 plays the low frequency signal, sends murmur, 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, nearby air up-down vibration causes under loudspeaker 12 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 the intensity for adding the efficiency of loudspeaker 12, enhancing bass so that bass is more flexible, has impulsive force, has shock
It is power, overcast, simple and honest.
Bass caused by loudspeaker 12, 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 its internal pipeline, avoided by outer release, waveguide pipe 13
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, has impulsive force, has 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 our cans hear it is clean, flexible, have impulsive force, have impact
High-quality bass.
Fig. 1-4 are referred to, the bass 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 to be far above market in the intensity of sound equipment 100
On other materials made of stereo set, and good airproof performance can strengthen bass.
It is worth especially set out, bass cavity 10 can also be made up of other materials, for example wood materials, such as mould
Material.
Fig. 1-4 are referred to, the woofer 12 is located at the 2/3 of the height of bass cavity 11.
In the present embodiment, the height approximation of the pillar 121 accounts for the 2/3 of the height of cavity body 112 so that the bass is raised
Sound device 12 is located at the 2/3 of the height of bass cavity 11.
After adopting the above technical scheme, woofer 12, which is located at the 2/3 of the height of bass cavity 11, causes bass cavity
The enhancing of 11 pairs of basses, pressurized effect are optimal.
Especially set out, it is optimum position that the woofer 12, which is located at the 2/3 of the height of bass cavity 11, now
It is optimal to the enhancing effect of bass, but can also by woofer 12 20% or so above and below optimum position in adjust.
Fig. 1-4 are referred to, the waveguide pipe 13 is set to bell mouth shape close to one end of woofer 12.
In the present embodiment, the lower nozzle of waveguide pipe 13 is vacantly in the surface of woofer 12, the waveguide pipe 13
Lower nozzle be arranged to bell mouth shape.
After adopting the above technical scheme, the lower nozzle of waveguide pipe 13, which is arranged to bell mouth shape, has more preferable poly- audio fruit,
Preferably, more fully bass can be so sent at diffuser 14 at woofer 12, can additionally strengthened
The acoustic pressure of bass, reduce noise.
It is worth especially set out, the height of bass cavity 11, the length of waveguide pipe 13, the lower nozzle of waveguide pipe 13 and bass
The distance of loudspeaker 12 is interactional.When the reduced height of bass cavity 11, under the length of waveguide pipe 13, waveguide pipe 13
The mouth of pipe corresponding can also reduce with the distance of woofer 12.
Fig. 1-4 are referred to, sound equipment 100 also includes wireless connection unit（Not shown in figure）.
The wireless connection unit be used for audio signal source wireless connection, wireless connection unit include 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.The audio signal of audio signal source output sends control list to by bluetooth or WIFI
Member.
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 high use range of sound equipment 100, 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）, said supply unit is that each electricity consumption is set
Available electricity.
In the present embodiment, said supply unit is the built-in recyclable battery to charge., said supply unit is that bass is defeated
It is single to go out unit 10, left channel loudspeaker 21, left circulating loudspeaker 24 and right surround loudspeaker 25, right channel loudspeaker 22, control
Member, power amplifier unit and the power supply of wireless connection unit.
After adopting the above technical scheme, sound equipment 100 carries the use range that power supply unit improves sound equipment 100, make sound equipment
100 use more convenient, practical, it is had more the market competitiveness.
Fig. 1-4 are referred to, head unit 26 also includes a dust cover（Not shown in figure）, the dust cover is sheathed on sound equipment
On body 26.
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, is not limited to the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model all should be included in
Within the scope of protection.
Claims (10)
- A kind of 1. 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 The delay 20-80ms outputs of frequency signal.
- A kind of 2. 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 are believed relative to the high frequency in right channel audio signal Number delay or in advance 5-30ms export.
- A kind of 3. 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 delayed relative to right surround audio signal or 5-30ms is exported in advance, institute Left cincture audio signals are stated relative to the high-frequency signal delay 20-80ms outputs in left channel audio signal, the right surround sound Frequency signal is relative to the high-frequency signal delay 20-80ms outputs in right channel audio signal.
- A kind of 4. 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.
- A kind of 5. 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, the included angle B between the left circulating loudspeaker and right surround loudspeaker is 190-300 degree.
- A kind of 6. sound equipment as claimed in claim 5, it is characterised in that：The angle E of the left circulating loudspeaker and horizontal plane is 5-60 degree, the angle F of the right surround loudspeaker and horizontal plane is 5-60 degree.
- A kind of 7. 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 angle F of the right surround loudspeaker and horizontal plane is 15 degree.
- A kind of 8. 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.
- A kind of 9. sound equipment as claimed in claim 8, it is characterised in that：The bass output unit includes sound equipment cavity, raised one's voice Device, the waveguide pipe for propagating sound and the diffuser for spreading 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 above waveguide pipe.
- A kind of 10. sound equipment as claimed in claim 7, it is characterised in that：Also include wireless connection unit.
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| CN201621359136.2U CN206743473U (en) | 2016-12-12 | 2016-12-12 | A kind of sound equipment |
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| CN201621359136.2U CN206743473U (en) | 2016-12-12 | 2016-12-12 | A kind of sound equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792289A (en) * | 2016-12-12 | 2017-05-31 | 深圳市艾特铭客科技有限公司 | A kind of sound equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106792289A (en) * | 2016-12-12 | 2017-05-31 | 深圳市艾特铭客科技有限公司 | A kind of sound equipment |
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