CN108174337A - A kind of adaptive method of room sound field and combination loudspeaker system - Google Patents
A kind of adaptive method of room sound field and combination loudspeaker system Download PDFInfo
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- CN108174337A CN108174337A CN201711433206.3A CN201711433206A CN108174337A CN 108174337 A CN108174337 A CN 108174337A CN 201711433206 A CN201711433206 A CN 201711433206A CN 108174337 A CN108174337 A CN 108174337A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Abstract
A kind of adaptive method of room sound field and combination loudspeaker system, including：Automatic commissioning device can pass through full-range cabinet and low frequency speaker output source audio signal；And then the source audio signal that audio data collecting sensor can export full-range cabinet and low frequency speaker in target location distinguishes pickup and simultaneously pickup, obtains low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal.Low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal can also be sent to automatic commissioning device by audio data collecting sensor, amplitude frequency curve fitting and traversal computation delay are carried out to low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal by automatic commissioning device again, so that combination sound box measuring signal reaches target acoustical quality.Implement the embodiment of the present invention, the debugging effect of combination loudspeaker system can be unified, and improve the debugging convenience of combination loudspeaker system.
Description
Technical field
The present invention relates to sound signal processing technical fields, and in particular to a kind of adaptive method of room sound field and combination
Speaker system.
Background technology
With the fast development of loudspeaker techniques, people are no longer limited to amplifying effect caused by single loudspeaker, into
And combination loudspeaker system is come into being.
Include low frequency speaker and full-range cabinet in combination loudspeaker system, and be widely used in home theater, work as group
When conjunction speaker system is applied to home theater, the low frequency speaker in combination loudspeaker system can be distinguished with full-range cabinet
The different location in room is placed in, to cause stereo-circulation sound effective value, immersion is brought to experience to user.In general, home theater
In combination loudspeaker system after the installation is complete, it is also necessary to by professional tuning personnel to the combination loudspeaker of the home theater
System is debugged, and enables a user to experience the shake brought by combination loudspeaker system in the emperor position of home theater
Shake audio.But due to the difference of human ear, different professional tuning personnel also can be by the debugging effect debugged out by hand
Difference, also, the convenience debugged by hand is also relatively low.
Invention content
The embodiment of the invention discloses a kind of adaptive method of room sound field and combination loudspeaker systems, can unify group
The debugging effect of speaker system is closed, and improves the debugging convenience of combination loudspeaker system.
First aspect of the embodiment of the present invention discloses a kind of adaptive method of room sound field, and the method is applied to combination
Speaker system, the combination loudspeaker system include automatic commissioning device, audio data collecting sensor, low frequency sound-box device
And full-range cabinet equipment, the method includes：
The automatic commissioning device passes through the sound card transmission sources audio signal of the automatic commissioning device to the bass
Case equipment and the full-range cabinet equipment；
The audio data collecting sensor is in the indoor target location to the low frequency sound-box device and described complete
The source audio signal that frequency sound-box device exports respectively carries out pickup, obtains low frequency speaker measuring signal and full-range cabinet measures
Signal and the source sound exported simultaneously to the low frequency sound-box device and the full-range cabinet equipment in the target location
Frequency signal carries out pickup, obtains combination sound box measuring signal；Wherein, the low frequency sound-box device and the audio data collecting pass
There are the first pre-determined distances between sensor, and there are second between the full-range cabinet equipment and the audio data collecting sensor
Pre-determined distance, first pre-determined distance are different from second pre-determined distance；
The audio data collecting sensor by the low frequency speaker measuring signal, the full-range cabinet measuring signal and
The combination sound box measuring signal is transmitted to the automatic commissioning device；
The automatic commissioning device is to the low frequency speaker measuring signal, the full-range cabinet measuring signal and described group
Synaeresis case measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination tone respectively
Case experiment curv；Wherein, the low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box measure
Curve includes amplitude-frequency response, phase-frequency response curve, relevant linearity curve and pulse respond；
The automatic commissioning device is directed to institute using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv is stated adaptively to be adjusted
It is whole, so that the combination loudspeaker system reaches target acoustical quality in the indoor unlatching.
Second aspect of the embodiment of the present invention discloses a kind of combination loudspeaker system, and the combination loudspeaker system is included certainly
Dynamic commissioning device, audio data collecting sensor, low frequency sound-box device and full-range cabinet equipment；
The automatic commissioning device includes the first transmission unit, analytic unit and debugging unit, and the audio data is adopted
Collect sensor and include pickup unit and the second transmission unit；
First transmission unit, for by the sound card transmission sources audio signal of the automatic commissioning device to described low
Frequency sound-box device and the full-range cabinet equipment；
The pickup unit, in the indoor target location to the low frequency sound-box device and the full-range cabinet
The source audio signal that equipment exports respectively carries out pickup, obtains low frequency speaker measuring signal and full-range cabinet measuring signal,
And believe in the source audio that the target location exports the low frequency sound-box device and the full-range cabinet equipment simultaneously
Number carry out pickup, obtain combination sound box measuring signal；Wherein, the low frequency sound-box device and the audio data collecting sensor
Between there are the first pre-determined distance, it is default there are second between the full-range cabinet equipment and the audio data collecting sensor
Distance, first pre-determined distance are different from second pre-determined distance；
Second transmission unit, for by the low frequency speaker measuring signal, the full-range cabinet measuring signal and
The combination sound box measuring signal is transmitted to the automatic commissioning device；
The analytic unit, for the low frequency speaker measuring signal, the full-range cabinet measuring signal and described
Combination sound box measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination respectively
Speaker experiment curv；Wherein, the low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box are surveyed
It measures curve and includes amplitude-frequency response, phase-frequency response curve, relevant linearity curve and pulse respond；
The debugging unit, for being directed to institute using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv is stated adaptively to be adjusted
It is whole, so that the combination loudspeaker system reaches target acoustical quality in the indoor unlatching.
The third aspect of the embodiment of the present invention discloses a kind of combination loudspeaker system, including：
It is stored with the memory of executable program code；
The processor coupled with the memory；
The processor calls the executable program code stored in the memory, performs the embodiment of the present invention the
The adaptive method of room sound field disclosed in one side.
Fourth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program,
In, the computer program causes computer to perform the adaptive side of room sound field disclosed in first aspect of the embodiment of the present invention
Method.
The 5th aspect of the embodiment of the present invention discloses a kind of computer program product, when the computer program product is being counted
When being run on calculation machine so that the computer performs the adaptive method of room sound field disclosed in first aspect.
Compared with prior art, the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, when combination loudspeaker system is opened indoors, automatic commissioning device can control sound card
Pass through full-range cabinet and low frequency speaker output source audio signal.And then audio data collecting sensor can be in target location pair
Full-range cabinet and the source audio signal difference pickup of low frequency speaker output, obtain low frequency speaker measuring signal and full-range cabinet measure
Signal can also obtain combination tone in target location to the source audio signal while pickup of full-range cabinet and the output of low frequency speaker
Case measuring signal.Audio data collecting sensor can also be by low frequency speaker measuring signal, full-range cabinet measuring signal and group
Synaeresis case measuring signal is sent to automatic commissioning device, then by automatic commissioning device to low frequency speaker measuring signal, full-range cabinet
Measuring signal and combination sound box measuring signal carry out amplitude frequency curve fitting and traversal computation delay, so that combination sound box is surveyed
Amount signal reaches target acoustical quality.In conclusion implementing the embodiment of the present invention, the debugging of combination loudspeaker system can be unified
Effect, and improve the debugging convenience of combination loudspeaker system.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of system architecture schematic diagram of combination loudspeaker system disclosed by the embodiments of the present invention；
Fig. 2 is a kind of flow diagram of the adaptive method of room sound field disclosed by the embodiments of the present invention；
Fig. 3 is the flow diagram of the adaptive method of another room sound field disclosed by the embodiments of the present invention；
Fig. 4 is the flow diagram of the adaptive method of another room sound field disclosed by the embodiments of the present invention；
Fig. 5 is a kind of structure diagram of combination loudspeaker system disclosed by the embodiments of the present invention；
Fig. 6 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention；
Fig. 7 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention；
Fig. 8 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that term " comprising " and " having " and their any changes in the embodiment of the present invention and attached drawing
Shape, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or
The step of equipment is not limited to list or unit, but optionally further include the step of not listing or unit or optional
Ground is further included for the intrinsic other steps of these processes, method, product or equipment or unit.
The embodiment of the invention discloses a kind of adaptive method of room sound field and combination loudspeaker systems, can unify group
The debugging effect of speaker system is closed, and improves the debugging convenience of combination loudspeaker system.It carries out individually below specifically
It is bright.
A kind of adaptive method of room sound field and combination loudspeaker disclosed in embodiment in order to better understand the present invention
System is first below described the application architecture that the embodiment of the present invention is applicable in.Referring to Fig. 1, Fig. 1 is the embodiment of the present invention
A kind of system architecture schematic diagram of disclosed combination loudspeaker system.As shown in Figure 1, the system architecture of the combination loudspeaker system
It can include automatic commissioning device, audio data collecting sensor, low frequency sound-box device and full-range cabinet equipment.Automatic debugging
Equipment can be with transmission sources audio signal to full-range cabinet equipment and low frequency sound-box device, then by full-range cabinet equipment and low frequency speaker
Equipment exports source audio signal.Wherein, when full-range cabinet equipment and low frequency sound-box device difference output source audio signal when with
And when full-range cabinet equipment and low frequency sound-box device output source audio signal simultaneously, audio data collecting sensor can be in mesh
Cursor position carries out pickup, since the source audio signal of full-range cabinet equipment and the output of low frequency sound-box device have passed through acoustic surrounding,
The audio data collecting sensor in target location is reached again, and then, audio data collecting sensor can obtain low frequency speaker
Measuring signal, full-range cabinet measuring signal and combination sound box measuring signal, and low frequency speaker measuring signal, full-range cabinet are surveyed
Amount signal and combination sound box measuring signal are transmitted to automatic commissioning device.
Embodiment one
Referring to Fig. 2, Fig. 2 is a kind of flow signal of the adaptive method of room sound field disclosed by the embodiments of the present invention
Figure.The adaptive method of the room sound field is applied to combination loudspeaker system, wherein, combination loudspeaker system includes automatic debugging
Equipment, audio data collecting sensor, low frequency sound-box device and full-range cabinet equipment, the room sound field as shown in Figure 2 are adaptive
The method answered may comprise steps of：
201st, automatic commissioning device by the sound card transmission sources audio signal tremendously low frequency sound-box device of automatic commissioning device and
Full-range cabinet equipment.
In the embodiment of the present invention, the sound card of automatic commissioning device can be multichannel sound card, i.e., automatic commissioning device can be with
By sound card or multichannel sound card by source audio signal transmission tremendously low frequency sound-box device and full-range cabinet equipment.In combination loudspeaker
In system, automatic commissioning device can be Free field measurement computer, and audio data collecting sensor can be Free field measurement microphone.Its
In, Free field measurement microphone has higher sensitivity, comprehensive pickup range, balanced accurately frequency compared with common microphone
Ring the sound pressure level of curve and requirements at the higher level.It can be by automatic commissioning device via sound card transmission sources so performing step 201
Audio signal tremendously low frequency sound-box device and full-range cabinet equipment, to be in acoustic surrounding whole speakers (it should be noted that
Whole speakers can include at least one full-range cabinet and at least one low frequency speaker) it is transmitted, it is complete to measure and debug
Portion's speaker so that combination loudspeaker system reaches target audio (it should be noted that target audio can be best audio).
202nd, the target location of audio data collecting sensor indoors is to low frequency sound-box device and full-range cabinet equipment point
The source audio signal not exported carries out pickup, obtains low frequency speaker measuring signal and full-range cabinet measuring signal and in target
The source audio signal that position exports low frequency sound-box device and full-range cabinet equipment simultaneously carries out pickup, obtains combination sound box measurement
Signal；Wherein, between low frequency sound-box device and audio data collecting sensor there are the first pre-determined distance, full-range cabinet equipment with
There are the second pre-determined distance between audio data collecting sensor, the first pre-determined distance is different from the second pre-determined distance.
In the embodiment of the present invention, low frequency speaker measuring signal that audio data collecting sensor obtains, full-range cabinet measure
Signal and combination sound box measuring signal are different from source audio signal, low frequency speaker measuring signal, full-range cabinet measuring signal
And combination sound box measuring signal is that the source audio being changed of acoustic surrounding is exported and have passed through by different form
Signal.Wherein, low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal are different two-by-two.
So performing, step 202 can obtain low frequency speaker measuring signal by audio data collecting sensor, full-range cabinet measures letter
Number and combination sound box measuring signal, so as to subsequently to low frequency speaker measuring signal, full-range cabinet measuring signal and combination tone
Case measuring signal carries out analysis calculation processing, can improve the adaptive effect of combination loudspeaker system.
203rd, audio data collecting sensor is by low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box
Measuring signal is transmitted to automatic commissioning device.
In the embodiment of the present invention, audio data sensor can be by low frequency speaker measuring signal that step 202 obtains, full range
Speaker measuring signal and combination sound box measuring signal are transmitted to automatic commissioning device.
In the embodiment of the present invention, audio data collecting sensor can be Free field measurement microphone, and Free field measurement microphone can be with
It is Beyerdynamic MM1, can also be AUDIX TM1, can also be Earthworks M30, can also be PreSonus
PRM1, can also be BEHRINGER ECM8000, can also be DPA 4007, the embodiment of the present invention is not construed as limiting.Wherein,
Beyerdynamic MM1 can be responded with optical spectrum analyser cooperating with measurement frequency, and measure the acoustic pressure water of loud speaker
It is flat, also, since MM1 has fine long tube structure, and then can reduce the Free field measurement microphone shadow caused by sound field in itself
It rings；AUDIX TM1 are omnidirectional's capacitance measurement microphones；The frequency response range of Earthworks M30 is relatively wide, pickup is clear, sound
Matter is firm in structure and has preferable moisture resistance performance, can bear high sound pressure and is suitble to closely use；PreSonus PRM1
In use 14 inches of prepolarizations electret capacitor nacelle, be one all referring to Free field measurement microphone；BEHRINGER
ECM8000 is capable of providing accurate room sounding picture, and can use graphic equalizer micro-tensioning system performance with complete
With any audible environment feature；DPA 4007 has entire audio transparency and higher sound pressure level processing capacity.
204th, automatic commissioning device measures low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box and believes
Signal is carried out number respectively to analyze to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv；
Wherein, low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv include amplitude-frequency response,
Phase-frequency response curve, relevant linearity curve and pulse respond.
205th, automatic commissioning device is directed to low using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted, so that combination
Reach target acoustical quality when speaker system is opened indoors.
In the embodiment of the present invention, automatic commissioning device can utilize amplitude frequency curve fit object curved line arithmetic and traversal to calculate
Delay algorithm is adaptively adjusted for low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv
It is whole.Specifically, automatic commissioning device can use wave filter that low frequency speaker experiment curv and full-range cabinet experiment curv are distinguished
Amplitude-frequency response intend it is flat, and according to intend it is flat after amplitude-frequency response filter parameter is set to speaker layer DSP；It is automatic to adjust
Filter fits combination sound box experiment curv and aim curve can also be used (it should be noted that aim curve can by trying equipment
To be the standard curve manually set), and filter parameter is set to speaker battle array according to the combination sound box experiment curv after fitting
Row layer DSP；Automatic commissioning device can also traverse the delay value for calculating full-range cabinet equipment and low frequency sound-box device, so as to
So that the sound of full-range cabinet equipment and low frequency sound-box device reaches target location phase potential energy and enough overlaps, without because of phase
Difference causes the sound of frequency overlapping region to be cancelled.So amplitude-frequency can be utilized by automatic commissioning device by performing step 205
Curve matching aim curve algorithm and traversal computation delay algorithm for low frequency speaker experiment curv, full-range cabinet experiment curv with
And combination sound box experiment curv is adaptively adjusted so that the sound of full-range cabinet equipment and low frequency sound-box device reaches target
Position phase potential energy enough overlaps, and improves acoustical quality of the combination loudspeaker system in acoustic surrounding.
As it can be seen that implementing the described methods of Fig. 2, combination loudspeaker system can be by automatic commissioning device and via sound
Card transmission sources audio signal tremendously low frequency sound-box device and full-range cabinet equipment (need the whole speakers being in acoustic surrounding
Illustrate, whole speakers can include at least one full-range cabinet and at least one low frequency speaker) it is transmitted, to measure
With the whole speakers of debugging so that combination loudspeaker system reaches target audio (it should be noted that target audio can be best
Audio)；Combination loudspeaker system also is able to obtain low frequency speaker measuring signal, full-range cabinet by audio data collecting sensor
Measuring signal and combination sound box measuring signal, so as to subsequently to low frequency speaker measuring signal, full-range cabinet measuring signal and
Combination sound box measuring signal carries out analysis calculation processing, can improve the adaptive effect of combination loudspeaker system；Combination is raised one's voice
Device system also is able to utilize amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm needle by automatic commissioning device
Low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted so that complete
The sound of frequency sound-box device and low frequency sound-box device reaches target location phase potential energy and enough overlaps, and improves combination loudspeaker system
Acoustical quality in acoustic surrounding.So the debugging effect of combination loudspeaker system can be unified by implementing the described methods of Fig. 2
Fruit, and improve the debugging convenience of combination loudspeaker system.
Embodiment two
Referring to Fig. 3, Fig. 3 is the flow signal of the adaptive method of another room sound field disclosed by the embodiments of the present invention
Figure.Wherein, sound card is multichannel sound card, and the adaptive method of the room sound field as shown in Figure 3 may comprise steps of：
301st, automatic commissioning device by the sound card transmission sources audio signal tremendously low frequency sound-box device of automatic commissioning device and
Full-range cabinet equipment.
302nd, the target location of audio data collecting sensor indoors is to low frequency sound-box device and full-range cabinet equipment point
The source audio signal not exported carries out pickup, obtains low frequency speaker measuring signal and full-range cabinet measuring signal and in target
The source audio signal that position exports low frequency sound-box device and full-range cabinet equipment simultaneously carries out pickup, obtains combination sound box measurement
Signal；Wherein, between low frequency sound-box device and audio data collecting sensor there are the first pre-determined distance, full-range cabinet equipment with
There are the second pre-determined distance between audio data collecting sensor, the first pre-determined distance is different from the second pre-determined distance.
303rd, audio data collecting sensor is by low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box
Measuring signal is transmitted to automatic commissioning device.
304th, automatic commissioning device determines the input channel of reference audio signal in multichannel sound card, with independent input
Reference audio signal and the input channel for determining to measure audio signal, to measure audio signal described in independent input.
In the embodiment of the present invention, automatic commissioning device can be determined to refer to sound in multichannel sound card for target location
The input channel of frequency signal and at least one input channel for measuring audio signal.As another optional embodiment,
If there are multiple target locations in the acoustic surrounding, automatic commissioning device can be directed to each target location in multichannel sound card
In determine reference audio signal input channel and it is at least one measure audio signal input channel.Automatic commissioning device
Each target location can also be directed to, the output channel of reference audio signal and at least one is determined in multichannel sound card
Measure the output channel of audio signal.It can be determined in multichannel sound card by automatic commissioning device so performing step 304
Go out the input channel of reference audio signal and determine to measure the input channel of audio signal, carried by using multichannel sound card
The stereo acoustic quality of high combination loudspeaker system, and comprehensive three dimensions sense is brought to user.
305th, automatic commissioning device judges that low frequency speaker is set according to low frequency speaker experiment curv and full-range cabinet experiment curv
Standby still full-range cabinet equipment farthest with the distance of target location and the distance of target location are farthest.
In the embodiment of the present invention, automatic commissioning device can be according to low frequency speaker experiment curv and full-range cabinet experiment curv
Judge the distance of low frequency sound-box device and target location and the phase of low frequency speaker experiment curv and full-range cabinet experiment curv
Judge for the farthest sound-box device in target location.
If the 306, the distance of low frequency sound-box device and target location is farthest, automatic commissioning device is by low frequency sound-box device pair
The low frequency speaker measuring signal answered is determined as reference audio signal, and the corresponding full-range cabinet of full-range cabinet equipment is measured letter
Number it is determined as measuring audio signal.
If the 307, full-range cabinet equipment and the distance of target location are farthest, automatic commissioning device is by full-range cabinet equipment pair
The low frequency speaker measuring signal answered is determined as reference audio signal, and the corresponding low frequency speaker of low frequency sound-box device is measured letter
Number it is determined as measuring audio signal.
In the embodiment of the present invention, automatic commissioning device can believe measure corresponding with the sound-box device that target location is farthest
Number it is determined as reference audio signal, the corresponding measuring signal of remaining sound-box device is to measure audio letter in the acoustic surrounding
Number.
308th, automatic commissioning device inputs reference audio signal, and pass through survey by reference to the input channel of audio signal
Measure the input channel input measurement audio signal of audio signal.
309th, automatic commissioning device according to reference audio signal and measures audio signal, to low frequency speaker measuring signal, entirely
Frequency speaker measuring signal and combination sound box measuring signal carry out signal and analyze to obtain low frequency speaker experiment curv, full range sound respectively
Case experiment curv and combination sound box experiment curv；Wherein, low frequency speaker experiment curv, full-range cabinet experiment curv and combination
Speaker experiment curv includes amplitude-frequency response, phase-frequency response curve, relevant linearity curve and pulse respond.
In the embodiment of the present invention, automatic commissioning device can be according to reference audio signal and measurement audio signal, to low frequency
Speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal carry out signal analysis respectively, and then can obtain
To low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv.
310th, automatic commissioning device is directed to low using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted, so that combination
Reach target acoustical quality when speaker system is opened indoors.
In the embodiment of the present invention, automatic commissioning device can utilize amplitude frequency curve fit object curved line arithmetic and traversal to calculate
Delay algorithm is adaptively adjusted for low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv
It is whole.In addition, automatic commissioning device to low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv into
During the adaptive adjustment of row, the method for choosing optimal delay value based on phase variance can be used to be mended automatically into line delay
It repays.Wherein, automatic commissioning device can be first with analyzing low frequency speaker measuring signal and full-range cabinet measuring signal
Full-range cabinet data and low frequency speaker data, and delay is added in into full range data by constantly incremental mode, it uses simultaneously
FFT (Faster Fourier Transform, quickly calculate discrete Fourier transform) processing, and then different biographies is calculated
The data of defeated function and phase；Automatic commissioning device can also carry out at movement value the data of above-mentioned transfer function and phase
Reason obtains the phase curve data under corresponding octave, and chooses full-range cabinet experiment curv automatically and measure song with low frequency speaker
Line overlapping region can go out a series of delay full ranges in the full range phase of overlapping region and the first variance of low frequency phase to calculate
Value；Automatic commissioning device can also add in delay by constantly incremental mode into low-frequency data, while using FFT processing,
And then the data of different transfer functions and phase are calculated；Automatic commissioning device can also be to above-mentioned transfer function and phase
Data carry out movement value processing, obtain the phase curve data under corresponding octave, and choose automatically full-range cabinet measure it is bent
Line and low frequency speaker experiment curv overlapping region, with calculate a series of full range phase that can go out delay low frequencies in overlapping region with it is low
The second party difference of frequency phase；Above-mentioned first party difference and second party difference can also be compared by automatic commissioning device, such as
There are the delays of phase variance value minimum for fruit, then illustrate the phase matched of full-range cabinet and low frequency speaker, phase variance value is minimum
Delay then be required delay value；Finally, which can be arranged on corresponding speaker and set by automatic commissioning device
In standby.So multiple delay values can be determined according to low frequency measurement signal and full range measuring signal by performing step 310, and from
Optimal delay value is determined in multiple delay values, and is arranged in corresponding sound-box device, has unified entire combination loudspeaker system
The acoustical quality of system.
As a kind of optional embodiment, in the adaptive method of the room sound field, automatic commissioning device includes signal hair
Raw device, can also include the following steps：
The frequency sweep of automatic commissioning device configuration signal generator, sample rate, signal duration, signal starts frequency, signal node
Beam frequency and signal sound are arbitrarily downgraded；
Automatic commissioning device terminates frequency and letter according to frequency sweep, sample rate, signal duration, signal starts frequency, signal
Bugle call, which is arbitrarily downgraded, generates swept-frequency signal；
When low frequency sound-box device and full-range cabinet equipment are distinguished in the target location of audio data collecting sensor indoors
When the source audio signal of output carries out pickup and when audio data collecting sensor target location to low frequency sound-box device and
When the source audio signal that full-range cabinet equipment exports simultaneously carries out pickup, automatic commissioning device loop play swept-frequency signal simultaneously calculates
The first receptance function, the second receptance function and the third receptance function of swept-frequency signal；Wherein, the first receptance function is used to react
The distorted spots of low frequency speaker measuring signal, the second receptance function are used to react the distorted spots of full-range cabinet measuring signal and third is rung
Function is answered for reacting the distorted spots of combination sound box measuring signal；
Automatic commissioning device is directed to bass using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Case experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted, including：
Automatic commissioning device utilizes amplitude frequency curve fit object curved line arithmetic, traversal computation delay algorithm, the first response letter
Number, the second receptance function and third receptance function are directed to low frequency speaker experiment curv, full-range cabinet experiment curv and combination
Speaker experiment curv is adaptively adjusted.
As it can be seen that implementing the optional embodiment, can swept-frequency signal be set, and survey to low frequency by automatic commissioning device
Cycle plays out the swept-frequency signal when trial signal and full range test signal carry out pickup, with quickly determine low frequency test signal and
Distorted spots in full range test signal can improve the adaptive regulated efficiency of combination loudspeaker system.
As it can be seen that the described method of implementing Fig. 3, combination loudspeaker system can be by automatic commissioning device and via sound
Card transmission sources audio signal tremendously low frequency sound-box device and full-range cabinet equipment (need the whole speakers being in acoustic surrounding
Illustrate, whole speakers can include at least one full-range cabinet and at least one low frequency speaker) it is transmitted, to measure
With the whole speakers of debugging so that combination loudspeaker system reaches target audio (it should be noted that target audio can be best
Audio)；Combination loudspeaker system also is able to obtain low frequency speaker measuring signal, full-range cabinet by audio data collecting sensor
Measuring signal and combination sound box measuring signal, so as to subsequently to low frequency speaker measuring signal, full-range cabinet measuring signal and
Combination sound box measuring signal carries out analysis calculation processing, can improve the adaptive effect of combination loudspeaker system；Combination is raised one's voice
Device system also is able to utilize amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm needle by automatic commissioning device
Low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted so that complete
The sound of frequency sound-box device and low frequency sound-box device reaches target location phase potential energy and enough overlaps, and improves combination loudspeaker system
Acoustical quality in acoustic surrounding；Combination loudspeaker system also is able to determine in multichannel sound card by automatic commissioning device
Go out the input channel of reference audio signal and determine to measure the input channel of audio signal, carried by using multichannel sound card
The stereo acoustic quality of high combination loudspeaker system, and comprehensive three dimensions sense is brought to user；Combination loudspeaker system is also
Can multiple delay values be determined according to low frequency measurement signal and full range measuring signal, and determined from multiple delay values optimal
Delay value, and be arranged in corresponding sound-box device, unify the acoustical quality of entire combination loudspeaker system；Combination loudspeaker
System also is able to set swept-frequency signal by automatic commissioning device, and pick up to low frequency test signal and full range test signal
Cycle plays out the swept-frequency signal during sound, quickly to determine the distorted spots in low frequency test signal and full range test signal, energy
Enough improve the adaptive regulated efficiency of combination loudspeaker system.So the described method of implementing Fig. 3 can further unify group
The debugging effect of speaker system is closed, and improves the debugging convenience of combination loudspeaker system.
Embodiment three
Referring to Fig. 4, Fig. 4 is the flow signal of the adaptive method of another room sound field disclosed by the embodiments of the present invention
Figure.The adaptive method of the room sound field as shown in Figure 4 may comprise steps of：
In embodiments of the present invention, the adaptive method of the room sound field includes step 401~step 410, for step
The description of 401~step 410, please refers to the detailed description that step 301~step 310 is directed in embodiment two, and the present invention is implemented
Example repeats no more.
411st, automatic commissioning device determines the first filter parameter for low frequency speaker, second for full-range cabinet
Filter parameter and the third filter parameter for combination sound box.
In the embodiment of the present invention, automatic commissioning device can determine the first filter parameter for low frequency speaker, needle
Second filter parameter to full-range cabinet and the third filter parameter for combination sound box, can also be by above-mentioned first
Filter parameter, second filter parameter and third filter parameter are arranged on speaker layer DSP and speaker array layer DSP.
412nd, automatic commissioning device is according to first filter parameter, second filter parameter and third filter parameter pair
The filter parameter of low frequency sound-box device and the filter parameter of full-range cabinet equipment are adjusted so that combination loudspeaker system
Reach target acoustical quality in the indoor unlatching.
413rd, automatic commissioning device control audio data collecting sensor obtains current low frequency speaker in target location and measures
Signal, current full-range cabinet measuring signal and present combination speaker measuring signal.
In the embodiment of the present invention, automatic commissioning device can be after wave filter adjustment be completed, can also secondary control again
Audio data collecting sensor obtained in target location current low frequency speaker measuring signal, current full-range cabinet measuring signal and
Present combination speaker measuring signal, sound of the combination loudspeaker system under the acoustic surrounding after currently being debugged so as to subsequent survey
Matter effect.
414th, automatic commissioning device is to current low frequency speaker measuring signal, current full-range cabinet measuring signal and current group
Synaeresis case measuring signal carry out respectively signal analyze debugged after after low frequency speaker experiment curv, debugging full-range cabinet measure it is bent
Combination sound box experiment curv after line and debugging.
415th, automatic commissioning device is bent according to being measured with default fixed low frequency speaker low frequency speaker experiment curv after debugging
The comparison of line, to full-range cabinet experiment curv after debugging with the comparison of default fixed full-range cabinet experiment curv and to debugging after
The comparison of combination sound box experiment curv and default fixed present combination experiment curv, show that combination loudspeaker system is opened indoors
When the debugging that is reached after acoustical quality.
416th, whether acoustical quality reaches target acoustical quality after automatic commissioning device judges debugging, if so, performing step
Rapid 417, if not, performing step 401.
In the embodiment of the present invention, automatic commissioning device can obtain being reached when combination loudspeaker system is opened indoors
Debugging after after acoustical quality, acoustical quality after debugging and target acoustical quality are compared by automatic commissioning device.So
Combination loudspeaker system can be improved at this by verification of the automatic commissioning device to acoustical quality after debugging by performing step 416
Acoustical quality in acoustic surrounding.
417th, automatic commissioning device determines that the sound field of combination loudspeaker system indoors is adaptively completed.
As it can be seen that implementing the described methods of Fig. 4, combination loudspeaker system can be by automatic commissioning device and via sound
Card transmission sources audio signal tremendously low frequency sound-box device and full-range cabinet equipment (need the whole speakers being in acoustic surrounding
Illustrate, whole speakers can include at least one full-range cabinet and at least one low frequency speaker) it is transmitted, to measure
With the whole speakers of debugging so that combination loudspeaker system reaches target audio (it should be noted that target audio can be best
Audio)；Combination loudspeaker system also is able to obtain low frequency speaker measuring signal, full-range cabinet by audio data collecting sensor
Measuring signal and combination sound box measuring signal, so as to subsequently to low frequency speaker measuring signal, full-range cabinet measuring signal and
Combination sound box measuring signal carries out analysis calculation processing, can improve the adaptive effect of combination loudspeaker system；Combination is raised one's voice
Device system also is able to utilize amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm needle by automatic commissioning device
Low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted so that complete
The sound of frequency sound-box device and low frequency sound-box device reaches target location phase potential energy and enough overlaps, and improves combination loudspeaker system
Acoustical quality in acoustic surrounding；Combination loudspeaker system also is able to determine in multichannel sound card by automatic commissioning device
Go out the input channel of reference audio signal and determine to measure the input channel of audio signal, carried by using multichannel sound card
The stereo acoustic quality of high combination loudspeaker system, and comprehensive three dimensions sense is brought to user；Combination loudspeaker system is also
Can multiple delay values be determined according to low frequency measurement signal and full range measuring signal, and determined from multiple delay values optimal
Delay value, and be arranged in corresponding sound-box device, unify the acoustical quality of entire combination loudspeaker system；Combination loudspeaker
System also is able to set swept-frequency signal by automatic commissioning device, and pick up to low frequency test signal and full range test signal
Cycle plays out the swept-frequency signal during sound, quickly to determine the distorted spots in low frequency test signal and full range test signal, energy
Enough improve the adaptive regulated efficiency of combination loudspeaker system；Combination loudspeaker system also is able to exchange by automatic commissioning device
The verification of acoustical quality after examination improves acoustical quality of the combination loudspeaker system in the acoustic surrounding.So implement Fig. 4 institutes
The method of description can further unify the debugging effect of combination loudspeaker system, and improve the tune of combination loudspeaker system
Try convenience.
Example IV
Referring to Fig. 5, Fig. 5 is a kind of structure diagram of combination loudspeaker system disclosed by the embodiments of the present invention.Such as Fig. 5
It is shown, the combination loudspeaker system can include automatic commissioning device, audio data collecting sensor, low frequency sound-box device and
Full-range cabinet equipment；Wherein, automatic commissioning device can include the first transmission unit 501, analytic unit 502 and debugging unit
503, audio data collecting sensor can include 504 and second transmission unit 505 of pickup unit；
First transmission unit 501, for being set by the sound card transmission sources audio signal tremendously low frequency speaker of automatic commissioning device
Standby and full-range cabinet equipment.
In the embodiment of the present invention, in the sound card transmission sources audio signal that the first transmission unit 501 passes through automatic commissioning device
After tremendously low frequency sound-box device and full-range cabinet equipment, triggering pickup unit 504 starts.
In the embodiment of the present invention, the sound card of automatic commissioning device can be multichannel sound card, i.e., the first transmission unit 501 can
With by sound card or multichannel sound card by source audio signal transmission tremendously low frequency sound-box device and full-range cabinet equipment.It raises one's voice in combination
In device system, automatic commissioning device can be Free field measurement computer, and audio data collecting sensor can be Free field measurement microphone.
Wherein, Free field measurement microphone has higher sensitivity, comprehensive pickup range, equilibrium accurately compared with common microphone
The sound pressure level of frequency response curve and requirements at the higher level.So perform the first transmission unit 501 can by automatic commissioning device via
Sound card transmission sources audio signal tremendously low frequency sound-box device and full-range cabinet equipment (need the whole speakers being in acoustic surrounding
It is noted that whole speakers can include at least one full-range cabinet and at least one low frequency speaker) it is transmitted, to survey
Amount and the whole speakers of debugging so that combination loudspeaker system reaches target audio (it should be noted that target audio can be most
Good news are imitated).
Pickup unit 504 exports low frequency sound-box device and full-range cabinet equipment for target location indoors respectively
Source audio signal carry out pickup, obtain low frequency speaker measuring signal and full-range cabinet measuring signal and in target location pair
The source audio signal that low frequency sound-box device and full-range cabinet equipment export simultaneously carries out pickup, obtains combination sound box measuring signal；
Wherein, there are the first pre-determined distance, full-range cabinet equipment and audios between low frequency sound-box device and audio data collecting sensor
There are the second pre-determined distance between data sampling sensor, the first pre-determined distance is different from the second pre-determined distance.
In the embodiment of the present invention, in the target location of pickup unit 504 indoors to low frequency sound-box device and full-range cabinet
Source audio signal that equipment exports respectively carries out pickup, obtain low frequency speaker measuring signal and full-range cabinet measuring signal and
Pickup is carried out in the source audio signal that target location exports low frequency sound-box device and full-range cabinet equipment simultaneously, obtains combination tone
After case measuring signal, the second transmission unit 505 of triggering starts.
In the embodiment of the present invention, low frequency speaker measuring signal that pickup unit 504 obtains, full-range cabinet measuring signal and
Combination sound box measuring signal is different from source audio signal, low frequency speaker measuring signal, full-range cabinet measuring signal and combination
Speaker measuring signal is that the source audio signal being changed of acoustic surrounding is exported and have passed through by different form.Its
In, low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box measuring signal are different two-by-two.So it holds
Row pickup unit 504 can obtain low frequency speaker measuring signal, full-range cabinet measuring signal by audio data collecting sensor
And combination sound box measuring signal, so as to subsequently to low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box
Measuring signal carries out analysis calculation processing, can improve the adaptive effect of combination loudspeaker system.
Second transmission unit 505, for low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box to be surveyed
Signal transmission is measured to automatic commissioning device.
In the embodiment of the present invention, the second transmission unit 505 by low frequency speaker measuring signal, full-range cabinet measuring signal with
And combination sound box measuring signal is transmitted to after automatic commissioning device, triggering analytic unit 502 starts.
In the embodiment of the present invention, the low frequency speaker that pickup unit 504 obtains can be measured letter by the second transmission unit 505
Number, full-range cabinet measuring signal and combination sound box measuring signal be transmitted to automatic commissioning device.
In the embodiment of the present invention, audio data collecting sensor can be Free field measurement microphone, and Free field measurement microphone can be with
It is Beyerdynamic MM1, can also be AUDIX TM1, can also be Earthworks M30, can also be PreSonus
PRM1, can also be BEHRINGER ECM8000, can also be DPA 4007, the embodiment of the present invention is not construed as limiting.Wherein,
Beyerdynamic MM1 can be responded with optical spectrum analyser cooperating with measurement frequency, and measure the acoustic pressure water of loud speaker
It is flat, also, since MM1 has fine long tube structure, and then can reduce the Free field measurement microphone shadow caused by sound field in itself
It rings；AUDIX TM1 are omnidirectional's capacitance measurement microphones；The frequency response range of Earthworks M30 is relatively wide, pickup is clear, sound
Matter is firm in structure and has preferable moisture resistance performance, can bear high sound pressure and is suitble to closely use；PreSonus PRM1
In use 14 inches of prepolarizations electret capacitor nacelle, be one all referring to Free field measurement microphone；BEHRINGER
ECM8000 is capable of providing accurate room sounding picture, and can use graphic equalizer micro-tensioning system performance with complete
With any audible environment feature；DPA 4007 has entire audio transparency and higher sound pressure level processing capacity.
Analytic unit 502 is believed for measuring low frequency speaker measuring signal, full-range cabinet measuring signal and combination sound box
Signal is carried out number respectively to analyze to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv；
Wherein, low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv include amplitude-frequency response,
Phase-frequency response curve, relevant linearity curve and pulse respond.
In the embodiment of the present invention, in analytic unit 502 to low frequency speaker measuring signal, full-range cabinet measuring signal and group
Synaeresis case measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination tone respectively
After case experiment curv, triggering debugging unit 503 starts.
Debugging unit 503 is low for being directed to using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted, so that combination
Reach target acoustical quality when speaker system is opened indoors.
In the embodiment of the present invention, debugging unit 503 can utilize amplitude frequency curve fit object curved line arithmetic and traversal to calculate
Delay algorithm is adaptively adjusted for low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv
It is whole.Specifically, debugging unit 503 can use what wave filter distinguished low frequency speaker experiment curv and full-range cabinet experiment curv
Amplitude-frequency response is intended putting down, and sets filter parameter to speaker layer DSP according to the amplitude-frequency response intended after putting down；Debugging unit
503 can also use filter fits combination sound box experiment curv and aim curve (it should be noted that aim curve can be
The standard curve manually set), and filter parameter is set to speaker array layer according to the combination sound box experiment curv after fitting
DSP；Debugging unit 503 can also traverse the delay value for calculating full-range cabinet equipment and low frequency sound-box device, so that
The sound of full-range cabinet equipment and low frequency sound-box device reaches target location phase potential energy and enough overlaps, without because phase is different
The sound of frequency overlapping region is caused to be cancelled.So amplitude-frequency can be utilized by automatic commissioning device by performing debugging unit 503
Curve matching aim curve algorithm and traversal computation delay algorithm for low frequency speaker experiment curv, full-range cabinet experiment curv with
And combination sound box experiment curv is adaptively adjusted so that the sound of full-range cabinet equipment and low frequency sound-box device reaches target
Position phase potential energy enough overlaps, and improves acoustical quality of the combination loudspeaker system in acoustic surrounding.
As it can be seen that implementing in the described combination loudspeaker systems of Fig. 5, the first transmission unit 501 can be by debugging automatically
Equipment is via sound card transmission sources audio signal tremendously low frequency sound-box device and full-range cabinet equipment, to the whole being in acoustic surrounding
Speaker (it should be noted that whole speakers can include at least one full-range cabinet and at least one low frequency speaker) is passed
It is defeated, to measure and debug whole speakers so that combination loudspeaker system reaches target audio (it should be noted that target audio
Can be best audio)；Pickup unit 504 can obtain low frequency speaker measuring signal, complete by audio data collecting sensor
Frequency speaker measuring signal and combination sound box measuring signal, subsequently to measure letter to low frequency speaker measuring signal, full-range cabinet
Number and combination sound box measuring signal carry out analysis calculation processing, the adaptive effect of combination loudspeaker system can be improved；It adjusts
Amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm needle can be utilized by automatic commissioning device by trying unit 503
Low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv are adaptively adjusted so that complete
The sound of frequency sound-box device and low frequency sound-box device reaches target location phase potential energy and enough overlaps, and improves combination loudspeaker system
Acoustical quality in acoustic surrounding.So combination loudspeaker system can be unified by implementing the described combination loudspeaker systems of Fig. 5
The debugging effect of system, and improve the debugging convenience of combination loudspeaker system.
Embodiment five
Referring to Fig. 6, Fig. 6 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention.Its
In, combination loudspeaker system shown in fig. 6 is that combination loudspeaker system as shown in Figure 5 optimizes.Shown in Fig. 5
Combination loudspeaker system compare, the sound card in automatic commissioning device in Fig. 6 be multichannel sound card, combination shown in fig. 6
In speaker system, automatic commissioning device can also include：
Dispensing unit 506, for the frequency sweep of the signal generator of automatic commissioning device, sample rate, signal duration, letter to be configured
Number starts frequency, signal terminates frequency and signal sound is arbitrarily downgraded.
In the embodiment of the present invention, frequency sweep, the sampling of the signal generator of automatic commissioning device are configured in dispensing unit 506
After rate, signal duration, signal starts frequency, signal terminate frequency and signal sound is arbitrarily downgraded, triggering generation unit 507 starts.
Generation unit 507, for according to frequency sweep, sample rate, signal duration, signal starts frequency, signal terminate frequency with
And signal sound arbitrarily downgrades and generates swept-frequency signal.
In the embodiment of the present invention, in generation unit 507 according to frequency sweep, sample rate, signal duration, signal starts frequency, letter
Number terminate frequency and signal sound to arbitrarily downgrade after generation swept-frequency signal, triggering broadcast unit 508 starts.
Broadcast unit 508, for working as the target location of pickup unit 504 indoors to low frequency sound-box device and full-range cabinet
When source audio signal that equipment exports respectively carries out pickup and when pickup unit 504 in target location to low frequency sound-box device
When carrying out pickup with the source audio signal that full-range cabinet equipment exports simultaneously, loop play swept-frequency signal simultaneously calculates swept-frequency signal
First receptance function, the second receptance function and third receptance function；Wherein, the first receptance function is surveyed for reacting low frequency speaker
Measure the distorted spots of signal, the second receptance function is used to react the distorted spots of full-range cabinet measuring signal and third receptance function is used for
React the distorted spots of combination sound box measuring signal.
In the embodiment of the present invention, 508 loop play swept-frequency signal of broadcast unit and calculate swept-frequency signal first response
After function, the second receptance function and third receptance function, triggering debugging unit 503 starts.
Debugging unit 503, specifically for utilizing amplitude frequency curve fit object curved line arithmetic, traversal computation delay algorithm, the
One receptance function, the second receptance function and third receptance function are for low frequency speaker experiment curv, full-range cabinet experiment curv
And combination sound box experiment curv is adaptively adjusted.
In the embodiment of the present invention, dispensing unit 506, generation unit 507, broadcast unit 508 and debugging unit 503 are distinguished
Swept-frequency signal by automatic commissioning device can be set, and followed when carrying out pickup to low frequency test signal and full range test signal
Ring plays out the swept-frequency signal, quickly to determine the distorted spots in low frequency test signal and full range test signal, can improve
The adaptive regulated efficiency of combination loudspeaker system.
First determination unit 509, for measuring low frequency speaker measuring signal, full-range cabinet in the second transmission unit 505
Signal and combination sound box measuring signal are transmitted to after automatic commissioning device, determine that reference audio is believed in multichannel sound card
Number input channel, the input channel of audio signal is measured with independent input reference audio signal and determining, with independent defeated
Enter to measure audio signal.
In the embodiment of the present invention, the defeated of reference audio signal is determined in multichannel sound card in the first determination unit 509
Enter channel, with independent input reference audio signal and determine measure audio signal input channel, measured with independent input
After audio signal, the first judging unit 510 of triggering starts.
In the embodiment of the present invention, the first determination unit 509 can be determined to join for target location in multichannel sound card
Examine the input channel of audio signal and at least one input channel for measuring audio signal.As another optional embodiment party
Formula, if there are multiple target locations in the acoustic surrounding, the first determination unit 509 can be directed to each target location mostly logical
The input channel of reference audio signal and at least one input channel for measuring audio signal are determined in road sound card.First really
Order member 509 can also be directed to each target location be determined in multichannel sound card reference audio signal output channel and
At least one output channel for measuring audio signal.So performing the first determination unit 509 can be existed by automatic commissioning device
The input channel of reference audio signal is determined in multichannel sound card and determines to measure the input channel of audio signal, is passed through
The stereo acoustic quality of combination loudspeaker system is improved using multichannel sound card, and comprehensive three dimensions sense is brought to user.
First judging unit 510, for judging bass according to low frequency speaker experiment curv and full-range cabinet experiment curv
Case equipment and the farthest still full-range cabinet equipment of the distance of target location and the distance of target location are farthest.
In the embodiment of the present invention, song is measured according to low frequency speaker experiment curv and full-range cabinet in the first judging unit 510
Line judge the farthest distance of low frequency sound-box device and target location or full-range cabinet equipment and the distance of target location it is farthest it
Afterwards, the second determination unit 511 of triggering starts.
In the embodiment of the present invention, the first judging unit 510 can be measured according to low frequency speaker experiment curv and full-range cabinet
Curve judges the distance of low frequency sound-box device and target location and low frequency speaker experiment curv and full-range cabinet experiment curv
Phase is judged for the farthest sound-box device in target location.
Second determination unit 511, for the first judging unit 510 judge low frequency sound-box device and target location away from
After farthest, the corresponding low frequency speaker measuring signal of low frequency sound-box device is determined as reference audio signal, and by full range
The corresponding full-range cabinet measuring signal of sound-box device is determined as measuring audio signal.
Second determination unit 511 is additionally operable to judge full-range cabinet equipment and target location in the first judging unit 510
After distance is farthest, the corresponding low frequency speaker measuring signal of full-range cabinet equipment is determined as reference audio signal, and will be low
The corresponding low frequency speaker measuring signal of frequency sound-box device is determined as measuring audio signal.
In the embodiment of the present invention, in the second determination unit 511 by the corresponding low frequency speaker measuring signal of full-range cabinet equipment
It is determined as reference audio signal, and the corresponding low frequency speaker measuring signal of low frequency sound-box device is determined as measurement audio signal
Later, triggering input unit 512 starts.
In the embodiment of the present invention, the second determination unit 511 can be by survey corresponding with the sound-box device that target location is farthest
Amount signal is determined as reference audio signal, and the corresponding measuring signal of remaining sound-box device is measurement audio in the acoustic surrounding
Signal.
Input unit 512 for inputting reference audio signal by reference to the input channel of audio signal, and passes through survey
Measure the input channel input measurement audio signal of audio signal.
In the embodiment of the present invention, in input unit 512 by reference to the input channel input reference audio letter of audio signal
Number, and after the input channel input measurement audio signal by measuring audio signal, triggering analytic unit 502 starts.
Analytic unit 502, specifically for according to reference audio signal and measurement audio signal, measuring low frequency speaker and believing
Number, full-range cabinet measuring signal and combination sound box measuring signal carry out respectively signal analyze to obtain low frequency speaker experiment curv,
Full-range cabinet experiment curv and combination sound box experiment curv.
In the embodiment of the present invention, analytic unit 502 can be according to reference audio signal and measurement audio signal, to bass
Case measuring signal, full-range cabinet measuring signal and combination sound box measuring signal carry out signal analysis respectively, and then can obtain
Low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv.
In the embodiment of the present invention, automatic commissioning device can utilize amplitude frequency curve fit object curved line arithmetic and traversal to calculate
Delay algorithm is adaptively adjusted for low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv
It is whole.In addition, automatic commissioning device to low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv into
During the adaptive adjustment of row, the method for choosing optimal delay value based on phase variance can be used to be mended automatically into line delay
It repays.Wherein, automatic commissioning device can be first with analyzing low frequency speaker measuring signal and full-range cabinet measuring signal
Full-range cabinet data and low frequency speaker data, and delay is added in into full range data by constantly incremental mode, it uses simultaneously
FFT (Faster Fourier Transform, quickly calculate discrete Fourier transform) processing, and then different biographies is calculated
The data of defeated function and phase；Automatic commissioning device can also carry out at movement value the data of above-mentioned transfer function and phase
Reason obtains the phase curve data under corresponding octave, and chooses full-range cabinet experiment curv automatically and measure song with low frequency speaker
Line overlapping region can go out a series of delay full ranges in the full range phase of overlapping region and the first variance of low frequency phase to calculate
Value；Automatic commissioning device can also add in delay by constantly incremental mode into low-frequency data, while using FFT processing,
And then the data of different transfer functions and phase are calculated；Automatic commissioning device can also be to above-mentioned transfer function and phase
Data carry out movement value processing, obtain the phase curve data under corresponding octave, and choose automatically full-range cabinet measure it is bent
Line and low frequency speaker experiment curv overlapping region, with calculate a series of full range phase that can go out delay low frequencies in overlapping region with it is low
The second party difference of frequency phase；Above-mentioned first party difference and second party difference can also be compared by automatic commissioning device, such as
There are the delays of phase variance value minimum for fruit, then illustrate the phase matched of full-range cabinet and low frequency speaker, phase variance value is minimum
Delay then be required delay value；Finally, which can be arranged on corresponding speaker and set by automatic commissioning device
In standby.So in the above method, automatic commissioning device can be determined according to low frequency measurement signal with full range measuring signal multiple
Delay value, and optimal delay value is determined from multiple delay values, and be arranged in corresponding sound-box device, unify entire group
Close the acoustical quality of speaker system.
As it can be seen that implement in the described combination loudspeaker systems of Fig. 6, dispensing unit 506, generation unit 507, broadcast unit
508 and debugging unit 503 be able to set swept-frequency signal by automatic commissioning device, and to low frequency test signal and complete
Cycle plays out the swept-frequency signal when frequency test signal carries out pickup, quickly to determine low frequency test signal and full range test letter
Distorted spots in number can improve the adaptive regulated efficiency of combination loudspeaker system；First determination unit 509 can be by certainly
Dynamic commissioning device determines the input channel of reference audio signal in multichannel sound card and determines to measure audio signal
Input channel, the stereo acoustic quality of combination loudspeaker system is improved by using multichannel sound card, and is brought to user comprehensive
Three dimensions sense；Automatic commissioning device can determine multiple delay values according to low frequency measurement signal and full range measuring signal,
And optimal delay value is determined from multiple delay values, and be arranged in corresponding sound-box device, unify entire combination and raised one's voice
The acoustical quality of device system.So combination loudspeaker system can further be unified by implementing the described combination loudspeaker systems of Fig. 6
The debugging effect of system, and improve the debugging convenience of combination loudspeaker system.
Embodiment six
Referring to Fig. 7, Fig. 7 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention.Its
In, combination loudspeaker system shown in Fig. 7 is that combination loudspeaker system as shown in Figure 6 optimizes.Shown in Fig. 6
Combination loudspeaker system compare, in combination loudspeaker system shown in Fig. 7, automatic commissioning device can also include：
Third determination unit 513, based in debugging unit 503 using amplitude frequency curve fit object curved line arithmetic, traversal
Delay algorithm, the first receptance function, the second receptance function and third receptance function are calculated for low frequency speaker experiment curv, full range
Speaker experiment curv and combination sound box experiment curv are carried out after adaptively adjusting, and determine the first filter for low frequency speaker
Wave device parameter, the second filter parameter for full-range cabinet and the third filter parameter for combination sound box.
In the embodiment of the present invention, the first filter parameter for low frequency speaker, needle are determined in third determination unit 513
Second filter parameter to full-range cabinet and for the third filter parameter of combination sound box after, trigger adjustment unit
514 start.
In the embodiment of the present invention, third determination unit 513 can determine for low frequency speaker first filter parameter,
Second filter parameter for full-range cabinet and the third filter parameter for combination sound box, can also be by above-mentioned
One filter parameter, second filter parameter and third filter parameter are arranged on speaker layer DSP and speaker array layer
DSP。
Adjustment unit 514, for according to first filter parameter, second filter parameter and third filter parameter pair
The filter parameter of low frequency sound-box device and the filter parameter of full-range cabinet equipment are adjusted so that combination loudspeaker system
Reach target acoustical quality when opening indoors.
In the embodiment of the present invention, in adjustment unit 514 according to first filter parameter, second filter parameter and third
Filter parameter is adjusted the filter parameter of low frequency sound-box device and the filter parameter of full-range cabinet equipment so that group
It closes after reaching target acoustical quality when speaker system is opened indoors, triggering pickup unit 504 starts.
Pickup unit 504, be additionally operable to adjustment unit 514 according to first filter parameter, second filter parameter and
Third filter parameter is adjusted it to the filter parameter of low frequency sound-box device and the filter parameter of full-range cabinet equipment
Afterwards, control audio data collecting sensor obtains current low frequency speaker measuring signal in target location, current full-range cabinet measures
Signal and present combination speaker measuring signal.
In the embodiment of the present invention, audio data collecting sensor is controlled to be obtained currently in target location in pickup unit 504
After low frequency speaker measuring signal, current full-range cabinet measuring signal and present combination speaker measuring signal, triggering analysis is single
Member 502 starts.
In the embodiment of the present invention, pickup unit 504 can also can again control sound after wave filter adjustment is completed
Frequency data sampling sensor obtains current low frequency speaker measuring signal, current full-range cabinet measuring signal in target location and works as
Preceding combination sound box measuring signal, sound quality of the combination loudspeaker system under the acoustic surrounding after currently being debugged so as to subsequent survey
Effect.
Analytic unit 502 is additionally operable to current low frequency speaker measuring signal, current full-range cabinet measuring signal and current
Combination sound box measuring signal carry out respectively signal analyze debugged after low frequency speaker experiment curv, debugging after full-range cabinet measure
Combination sound box experiment curv after curve and debugging.
In the embodiment of the present invention, letter is measured to current low frequency speaker measuring signal, current full-range cabinet in analytic unit 502
Number and present combination speaker measuring signal carry out respectively signal analyze debugged after it is complete after low frequency speaker experiment curv, debugging
After frequency speaker experiment curv and debugging after combination sound box experiment curv, triggering obtains audio unit 515 and starts.
Audio unit 515 is obtained, for being surveyed according to low frequency speaker experiment curv after debugging and default fixed low frequency speaker
The comparison of curve is measured, the comparison of full-range cabinet experiment curv is fixed with presetting to full-range cabinet experiment curv after debugging and exchanges
The comparison of combination sound box experiment curv and default fixed present combination experiment curv, obtains combination loudspeaker system indoors after examination
Acoustical quality after the debugging reached during unlatching.
In the embodiment of the present invention, low frequency speaker experiment curv is fixed with default after audio unit 515 is obtained according to debugging
The comparison of low frequency speaker experiment curv, the ratio to full-range cabinet experiment curv after debugging and default fixed full-range cabinet experiment curv
Pair and the comparison to combination sound box experiment curv after debugging and default fixed present combination experiment curv, obtain combination loudspeaker
After the debugging reached when system is opened indoors after acoustical quality, triggering second judgment unit 516 starts.
Second judgment unit 516, for judging whether acoustical quality reaches target acoustical quality after debugging.
In the embodiment of the present invention, whether acoustical quality reaches target sound quality effect after second judgment unit 516 judges debugging
After fruit, the 4th determination unit 517 of triggering starts.
In the embodiment of the present invention, obtain being reached when combination loudspeaker system is opened indoors obtaining audio unit 515
Debugging after after acoustical quality, acoustical quality after debugging and target acoustical quality are compared by second judgment unit 516.Institute
With performing second judgment unit 516 can be raised by verification of the automatic commissioning device to acoustical quality after debugging with improving combination
Acoustical quality of the sound device system in the acoustic surrounding.
4th determination unit 517, for second judgment unit 516 judge debugging after acoustical quality reach target sound quality
After effect, determine that the sound field of combination loudspeaker system indoors is adaptively completed.
As it can be seen that implementing in the described combination loudspeaker systems of Fig. 7, second judgment unit 516 can be by debugging automatically
Verification of the equipment to acoustical quality after debugging improves acoustical quality of the combination loudspeaker system in the acoustic surrounding.It is so real
The debugging effect of combination loudspeaker system can further be unified, and improve by applying the described combination loudspeaker systems of Fig. 7
The debugging convenience of combination loudspeaker system.
Embodiment seven
Referring to Fig. 8, Fig. 8 is the structure diagram of another combination loudspeaker system disclosed by the embodiments of the present invention.Such as
Shown in Fig. 8, which can include：
It is stored with the memory 801 of executable program code；
The processor 802 coupled with memory 801；
Wherein, processor 802 calls the executable program code stored in memory 801, and it is any one to perform Fig. 2~Fig. 4
The adaptive method of kind room sound field.
The embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program, wherein, the computer
Program causes computer to perform the adaptive method of Fig. 2~Fig. 4 any one room sound field.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
For carrying or storing any other computer-readable medium of data.
The above, above example are only to illustrate the technical solution of the application rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, however it will be understood by those of ordinary skill in the art that；It still can be with
It modifies to the technical solution recorded in foregoing embodiments or equivalent replacement is carried out to which part technical characteristic；And
These modifications are replaced, the spirit and model of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of adaptive method of room sound field, which is characterized in that the method be applied to combination loudspeaker system, described group
It closes speaker system and includes automatic commissioning device, audio data collecting sensor, low frequency sound-box device and full-range cabinet equipment,
The method includes：
The automatic commissioning device is set by sound card transmission sources audio signal to the low frequency speaker of the automatic commissioning device
Standby and described full-range cabinet equipment；
The audio data collecting sensor is in the indoor target location to the low frequency sound-box device and the full range sound
The source audio signal that case equipment exports respectively carries out pickup, obtains low frequency speaker measuring signal and full-range cabinet measures letter
Number and the source audio that is exported simultaneously to the low frequency sound-box device and the full-range cabinet equipment in the target location
Signal carries out pickup, obtains combination sound box measuring signal；Wherein, the low frequency sound-box device and audio data collecting sensing
There are the first pre-determined distances between device, pre- there are second between the full-range cabinet equipment and the audio data collecting sensor
If distance, first pre-determined distance is different from second pre-determined distance；
The audio data collecting sensor is by the low frequency speaker measuring signal, the full-range cabinet measuring signal and described
Combination sound box measuring signal is transmitted to the automatic commissioning device；
The automatic commissioning device is to the low frequency speaker measuring signal, the full-range cabinet measuring signal and the combination tone
Case measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box survey respectively
Measure curve；Wherein, the low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv
Include amplitude-frequency response, phase-frequency response curve, relevant linearity curve and pulse respond；
The automatic commissioning device is using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm for described low
Frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv are adaptively adjusted, with
So that the combination loudspeaker system reaches target acoustical quality in the indoor unlatching.
2. according to the method described in claim 1, it is characterized in that, the automatic commissioning device include signal generator, it is described
Method further includes：
The automatic commissioning device is configured the frequency sweep of the signal generator, sample rate, signal duration, signal starts frequency, believes
Number terminate frequency and signal sound and arbitrarily downgrade；
The automatic commissioning device is according to the frequency sweep, the sample rate, the signal duration, the signal starts frequency, institute
State that signal terminates frequency and the signal sound is arbitrarily downgraded generation swept-frequency signal；
When the audio data collecting sensor perform it is described in the indoor target location to the low frequency sound-box device
During the source audio signal progress pickup exported respectively with the full-range cabinet equipment and when the audio data collecting passes
Sensor performs the institute exported simultaneously to the low frequency sound-box device and the full-range cabinet equipment in the target location
When stating source audio signal progress pickup, swept-frequency signal described in the automatic commissioning device loop play simultaneously calculates the swept-frequency signal
The first receptance function, the second receptance function and third receptance function；Wherein, first receptance function is used to react described
The distorted spots of low frequency speaker measuring signal, second receptance function are used to react the distorted spots of the full-range cabinet measuring signal
It is used to react the distorted spots of the combination sound box measuring signal with the third receptance function；
The automatic commissioning device is using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm for described low
Frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv are adaptively adjusted, packet
It includes：
The automatic commissioning device utilizes amplitude frequency curve fit object curved line arithmetic, traversal computation delay algorithm, first sound
Function, second receptance function and the third receptance function are answered for the low frequency speaker experiment curv, the full range
Speaker experiment curv and the combination sound box experiment curv are adaptively adjusted.
3. according to the method described in claim 2, it is characterized in that, the sound card is multichannel sound card, the audio data is adopted
Collect sensor to pass the low frequency speaker measuring signal, the full-range cabinet measuring signal and the combination sound box measuring signal
It transports to after the automatic commissioning device, the method further includes：
The automatic commissioning device determines the input channel of reference audio signal in the multichannel sound card, with independent input
The reference audio signal and the input channel for determining to measure audio signal, to measure audio signal described in independent input；
The automatic commissioning device judges described low according to the low frequency speaker experiment curv and the full-range cabinet experiment curv
The distance of frequency sound-box device and the target location is farthest or the distance of the full-range cabinet equipment and the target location most
Far；
If the low frequency sound-box device and the distance of the target location are farthest, the automatic commissioning device is by the bass
The corresponding low frequency speaker measuring signal of case equipment is determined as the reference audio signal, and by the full-range cabinet equipment
The corresponding full-range cabinet measuring signal is determined as the measurement audio signal；If the full-range cabinet equipment and the mesh
The distance of cursor position is farthest, and the automatic commissioning device is by the corresponding low frequency speaker measuring signal of the full-range cabinet equipment
It is determined as reference audio signal, and the corresponding low frequency speaker measuring signal of the low frequency sound-box device is determined as described
Measure audio signal；
The automatic commissioning device inputs the reference audio signal, and lead to by the input channel of the reference audio signal
It crosses the input channel for measuring audio signal and inputs the measurement audio signal；
The automatic commissioning device is to the low frequency speaker measuring signal, the full-range cabinet measuring signal and the combination tone
Case measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box survey respectively
Curve is measured, including：
The automatic commissioning device measures the low frequency speaker according to the reference audio signal and the measurement audio signal
Signal, the full-range cabinet measuring signal and the combination sound box measuring signal carry out signal and analyze to obtain low frequency speaker respectively
Experiment curv, full-range cabinet experiment curv and combination sound box experiment curv.
4. according to the method described in claim 3, it is characterized in that, the method further includes：
The automatic commissioning device utilizes amplitude frequency curve fit object curved line arithmetic, traversal computation delay algorithm, first sound
Function, second receptance function and the third receptance function are answered for the low frequency speaker experiment curv, the full range
Speaker experiment curv and the combination sound box experiment curv are carried out after adaptively adjusting, and the automatic commissioning device is determined
First filter parameter for the low frequency speaker, for the second filter parameter of the full-range cabinet and for described
The third filter parameter of combination sound box；
The automatic commissioning device is filtered according to the first filter parameter, the second filter parameter and the third
Device parameter is adjusted the filter parameter of the low frequency sound-box device and the filter parameter of the full-range cabinet equipment, makes
It obtains the combination loudspeaker system and reaches target acoustical quality in the indoor unlatching.
5. according to the method described in claim 4, it is characterized in that, the automatic commissioning device is joined according to the first filter
The filter parameter and institute of several, described second filter parameter and the third filter parameter to the low frequency sound-box device
State full-range cabinet equipment filter parameter be adjusted after, the method further includes：
The automatic commissioning device controls the audio data collecting sensor to obtain current low frequency speaker in the target location
Measuring signal, current full-range cabinet measuring signal and present combination speaker measuring signal；
The automatic commissioning device is to the current low frequency speaker measuring signal, the current full-range cabinet measuring signal and institute
State present combination speaker measuring signal carry out respectively signal analyze debugged after low frequency speaker experiment curv, debugging after full range sound
Combination sound box experiment curv after case experiment curv and debugging；
The automatic commissioning device is bent according to being measured with default fixed low frequency speaker low frequency speaker experiment curv after the debugging
The comparison of line, to full-range cabinet experiment curv after the debugging with the comparison of default fixed full-range cabinet experiment curv and to institute
The comparison of combination sound box experiment curv and default fixed present combination experiment curv after debugging is stated, obtains the combination loudspeaker system
Acoustical quality after the debugging that system is reached in the indoor unlatching；
Whether acoustical quality reaches the target acoustical quality after the automatic commissioning device judges the debugging；
If so, the automatic commissioning device determines that the combination loudspeaker system is adaptively completed in the indoor sound field.
6. a kind of combination loudspeaker system, which is characterized in that the combination loudspeaker system includes automatic commissioning device, audio number
According to acquisition sensor, low frequency sound-box device and full-range cabinet equipment；
The automatic commissioning device includes the first transmission unit, analytic unit and debugging unit, and the audio data collecting passes
Sensor includes pickup unit and the second transmission unit；
First transmission unit, for passing through the sound card transmission sources audio signal of the automatic commissioning device to the bass
Case equipment and the full-range cabinet equipment；
The pickup unit, in the indoor target location to the low frequency sound-box device and the full-range cabinet equipment
The source audio signal that exports respectively carries out pickup, obtain low frequency speaker measuring signal and full-range cabinet measuring signal and
The target location to the source audio signal that the low frequency sound-box device and the full-range cabinet equipment export simultaneously into
Row pickup obtains combination sound box measuring signal；Wherein, between the low frequency sound-box device and the audio data collecting sensor
There are the first pre-determined distance, between the full-range cabinet equipment and the audio data collecting sensor there are second it is default away from
From first pre-determined distance is different from second pre-determined distance；
Second transmission unit, for by the low frequency speaker measuring signal, the full-range cabinet measuring signal and described
Combination sound box measuring signal is transmitted to the automatic commissioning device；
The analytic unit, for the low frequency speaker measuring signal, the full-range cabinet measuring signal and the combination
Speaker measuring signal carries out signal and analyzes to obtain low frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box respectively
Experiment curv；Wherein, the low frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box measure bent
Line includes amplitude-frequency response, phase-frequency response curve, relevant linearity curve and pulse respond；
The debugging unit is described low for being directed to using amplitude frequency curve fit object curved line arithmetic and traversal computation delay algorithm
Frequency speaker experiment curv, the full-range cabinet experiment curv and the combination sound box experiment curv are adaptively adjusted, with
So that the combination loudspeaker system reaches target acoustical quality in the indoor unlatching.
7. combination loudspeaker system according to claim 6, which is characterized in that the automatic commissioning device further includes：
Dispensing unit, for the frequency sweep of the signal generator of the automatic commissioning device, sample rate, signal duration, signal to be configured
Starts frequency, signal terminate frequency and signal sound is arbitrarily downgraded；
Generation unit, for according to the frequency sweep, the sample rate, the signal duration, the signal starts frequency, the letter
Number terminate frequency and the signal sound to arbitrarily downgrade generation swept-frequency signal；
Broadcast unit, for working as the pickup unit in the indoor target location to the low frequency sound-box device and described complete
During the source audio signal progress pickup that frequency sound-box device exports respectively and when the pickup unit is in the target location
When carrying out pickup to the source audio signal that the low frequency sound-box device and the full-range cabinet equipment export simultaneously, cycle is broadcast
It puts the swept-frequency signal and calculates the first receptance function, the second receptance function and third receptance function of the swept-frequency signal；
Wherein, first receptance function is used to react the distorted spots of the low frequency speaker measuring signal, second receptance function use
It is measured in the distorted spots and the third receptance function for reacting the full-range cabinet measuring signal for reacting the combination sound box
The distorted spots of signal；
The debugging unit, specifically for utilizing amplitude frequency curve fit object curved line arithmetic, traversal computation delay algorithm, described the
One receptance function, second receptance function and the third receptance function are for the low frequency speaker experiment curv, described
Full-range cabinet experiment curv and the combination sound box experiment curv are adaptively adjusted.
8. combination loudspeaker system according to claim 7, which is characterized in that the sound card is multichannel sound card, described
Automatic commissioning device further includes：
First determination unit, for surveying the low frequency speaker measuring signal, the full-range cabinet in second transmission unit
Amount signal and the combination sound box measuring signal are transmitted to after the automatic commissioning device, in the multichannel sound card really
The input channel of reference audio signal is made, with reference audio signal described in independent input and determines to measure audio signal
Input channel, to measure audio signal described in independent input；
First judging unit is described low for being judged according to the low frequency speaker experiment curv and the full-range cabinet experiment curv
The distance of frequency sound-box device and the target location is farthest or the distance of the full-range cabinet equipment and the target location most
Far；
Second determination unit, for judging the low frequency sound-box device and the target location in first judging unit
After distance is farthest, the corresponding low frequency speaker measuring signal of the low frequency sound-box device is determined as the reference audio and is believed
Number, and the corresponding full-range cabinet measuring signal of the full-range cabinet equipment is determined as the measurement audio signal；
Second determination unit is additionally operable to judge the full-range cabinet equipment and the target in first judging unit
After the distance of position is farthest, the corresponding low frequency speaker measuring signal of the full-range cabinet equipment is determined as reference audio
Signal, and the corresponding low frequency speaker measuring signal of the low frequency sound-box device is determined as the measurement audio signal；
Input unit for inputting the reference audio signal by the input channel of the reference audio signal, and passes through
The input channel for measuring audio signal inputs the measurement audio signal；
The analytic unit, specifically for according to the reference audio signal and the measurement audio signal, to the bass
Case measuring signal, the full-range cabinet measuring signal and the combination sound box measuring signal carry out respectively signal analyze to obtain it is low
Frequency speaker experiment curv, full-range cabinet experiment curv and combination sound box experiment curv.
9. combination loudspeaker system according to claim 8, which is characterized in that the automatic commissioning device further includes：
Third determination unit, for utilizing amplitude frequency curve fit object curved line arithmetic, traversal computation delay in the debugging unit
Algorithm, first receptance function, second receptance function and the third receptance function are surveyed for the low frequency speaker
It measures curve, the full-range cabinet experiment curv and the combination sound box experiment curv to carry out after adaptively adjusting, determine
First filter parameter for the low frequency speaker, for the second filter parameter of the full-range cabinet and for described
The third filter parameter of combination sound box；
Adjustment unit, for according to the first filter parameter, the second filter parameter and the third wave filter
Parameter is adjusted the filter parameter of the low frequency sound-box device and the filter parameter of the full-range cabinet equipment so that
The combination loudspeaker system reaches target acoustical quality in the indoor unlatching.
10. combination loudspeaker system according to claim 9, which is characterized in that the automatic commissioning device further includes：
The pickup unit is additionally operable to according to the first filter parameter, the second filter be joined in the adjustment unit
Several and described third filter parameter is to the filter parameter of the low frequency sound-box device and the filter of the full-range cabinet equipment
After wave device parameter is adjusted, the audio data collecting sensor is controlled to obtain current low frequency speaker in the target location
Measuring signal, current full-range cabinet measuring signal and present combination speaker measuring signal；
The analytic unit, be additionally operable to the current low frequency speaker measuring signal, the current full-range cabinet measuring signal with
And the present combination speaker measuring signal carry out respectively signal analyze debugged after it is complete after low frequency speaker experiment curv, debugging
Combination sound box experiment curv after frequency speaker experiment curv and debugging；
Audio unit is obtained, for bent according to being measured with default fixed low frequency speaker low frequency speaker experiment curv after the debugging
The comparison of line, to full-range cabinet experiment curv after the debugging with the comparison of default fixed full-range cabinet experiment curv and to institute
The comparison of combination sound box experiment curv and default fixed present combination experiment curv after debugging is stated, obtains the combination loudspeaker system
Acoustical quality after the debugging that system is reached in the indoor unlatching；
Second judgment unit, for judging whether acoustical quality reaches the target acoustical quality after the debugging；
4th determination unit, for after the second judgment unit judges the debugging acoustical quality reach the target sound
After matter effect, determine that the combination loudspeaker system is adaptively completed in the indoor sound field.
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