CN108810789A - A kind of determination method, system and the device of speaker sound quality quality - Google Patents
A kind of determination method, system and the device of speaker sound quality quality Download PDFInfo
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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
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- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The invention discloses a kind of determination method, system and the device of speaker sound quality quality, determination method includes the following steps：S1：Obtain the pink noise signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；S2：Above-mentioned pink noise signal is sent to audio analyzer to obtain level value corresponding with above-mentioned pink noise signal；S3：Obtain the particular test signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；S4：Above-mentioned particular test signal is sent to audio analyzer to obtain level value corresponding with above-mentioned particular test signal；S5：Set the level value of above-mentioned pink noise signal to reference value, the level value of above-mentioned particular test signal is compared with above-mentioned reference value to identify the quality of speaker sound quality.Technical scheme of the present invention can effectively identify the good and bad situation of speaker sound quality, and can effectively reduce test error.
Description
Technical field
The present invention relates to speaker technology field more particularly to a kind of determination method, system and the devices of speaker sound quality quality.
Background technology
Speaker refers to a kind of equipment that audio signal can be transformed to sound, popular saying refer to just speaker host babinet or
Power amplifier is carried in subwoofer babinet, and audio signal is amplified after processing by speaker playback sound itself, it is made
Sound becomes larger.
Currently, being mostly focused on the heat dissipation performance, anti-acoustic capability and raising sound quality of speaker for the exploitation of speaker performance
The many aspects such as energy, such as：
Application No. is 201510899905.1 patents of invention to disclose a kind of speaker that can promote bass sound quality, the sound
Case includes：Cross section is the bearing of inverted T-shape；The babinet of the rotation body structure in curved surface of middle control on bearing；Set on case
The loud speaker of the front end of body；And the wave breaker set on the end of babinet, wherein the end of wave breaker and the end of babinet are one
Body formula is connected, and wave breaker is small in the big centre in both ends and the curved surface swivel structure of middle control.
And application No. is 201711161408.7 patents of invention to disclose one kind with noise reducing sound box and noise reducer two
The multifunctional sound box of kind function, the multifunctional sound box include：Noise collection module, control centre's module, power module and it is located at
Loudspeaker module inside speaker, power module are used to provide operating voltage for other modules；Noise collection module is for receiving
Noise in sounder resonator local environment；Control centre's module analyzes the collected noise of noise collection module, foundation point
It analyses result and generates noise suppressed control signal, meanwhile, control centre's module is additionally operable to control speaker；Loudspeaker module is used for basis
Noise suppressed control signal is received, the sound opposite with the signal frequency of noise is generated, to inhibit noise.
But the test of the good and bad situation for speaker sound quality performance, often by human ear subjectivity judge,
It inevitably will appear and bring test error because of human ear subjective judgement；Secondly, often when testing multiple speakers
It can cause test error because of the difference of sensitivity；And single-frequency is often selected in the existing judgement to speaker sound quality quality
As reference, obtained EQ curves are uneven easily to cause test error to point.
Invention content
In view of the above-mentioned problems, the invention discloses a kind of determination method of speaker sound quality quality, which includes such as
Lower step：
S1：Obtain the pink noise signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S2：Above-mentioned pink noise signal is sent to audio analyzer to obtain electricity corresponding with above-mentioned pink noise signal
Level values；
S3：Obtain the particular test signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S4：Above-mentioned particular test signal is sent to audio analyzer to obtain electricity corresponding with above-mentioned particular test signal
Level values；
S5：Set the level value of above-mentioned pink noise signal to reference value, the level value of above-mentioned particular test signal with
Above-mentioned reference value is compared to identify the quality of speaker sound quality.
Further, further include step before above-mentioned steps S1：
S01：The voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument is calibrated；
S02：The distance between speaker to be measured is obtained to be fixed to treat acoustic case present position；
S03：Volume adjustment instruction is sent to speaker to be measured so that above-mentioned speaker to be measured adjusts volume to maximum value.
Further, above-mentioned steps S2 includes：
S21：Whether the acoustic pressure for detecting above-mentioned pink noise signal is in standard sound pressure grade；If so, thening follow the steps S22；
If it is not, thening follow the steps S23；
S22：It is corresponding with above-mentioned pink noise signal to obtain to audio analyzer to send above-mentioned pink noise signal
Level value；
S23：The adjust instruction of the above-mentioned pink noise signal level value containing adjustment is sent to speaker to be measured so that above-mentioned signal
Generator adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded；Repeat step S21.
Further, above-mentioned steps S4 includes：
S41：Whether the acoustic pressure for detecting above-mentioned particular test signal is in standard sound pressure grade；If so, thening follow the steps S42；
If it is not, thening follow the steps S43；
S42：It is corresponding with above-mentioned particular test signal to obtain to audio analyzer to send above-mentioned particular test signal
Level value；
S43：The adjust instruction of the above-mentioned particular test signal containing adjustment is sent to speaker to be measured so that above-mentioned signal generator
The level value of particular test signal is adjusted based on the adjust instruction that speaker to be measured is forwarded；Repeat step S41.
It is corresponding based on a kind of determination method of speaker sound quality quality disclosed in this invention, the present invention also provides
A kind of decision-making system of speaker sound quality quality, the decision-making system include：
First acquisition module, the pink noise for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Signal；
First sending module, for sending above-mentioned pink noise signal to audio analyzer to obtain and above-mentioned pink noise
The corresponding level value of signal；
Second acquisition module, the fc-specific test FC for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Signal；
Second sending module sends above-mentioned particular test signal to audio analyzer to obtain and above-mentioned particular test signal
Corresponding level value；
Matching identification module, for setting the level value of above-mentioned pink noise signal to reference value, particular test signal
Level value and above-mentioned reference value compared to identify the quality of speaker sound quality.
Further, above-mentioned decision-making system further includes：
First receiving module, the voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument carry out school
It is accurate；
Third acquisition module is consolidated for obtaining the distance between speaker to be measured with treating acoustic case present position
It is fixed；
Third sending module, for sending volume adjustment instruction to speaker to be measured so that above-mentioned speaker to be measured adjusts volume extremely
Maximum value.
Further, above-mentioned first sending module includes：
Whether first detection module, the acoustic pressure for detecting above-mentioned pink noise signal are in standard sound pressure grade；
4th sending module, for sending the adjust instruction of the above-mentioned pink noise signal level value containing adjustment to speaker to be measured
So that above-mentioned signal generator adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded.
Further, above-mentioned second sending module includes：
Whether the second detection module, the acoustic pressure for detecting above-mentioned particular test signal are in standard sound pressure grade；
5th sending module, for sending the adjust instruction of the above-mentioned particular test signal containing adjustment to speaker to be measured so that
State the level value that signal generator adjusts particular test signal based on the adjust instruction that speaker to be measured is forwarded.
The present invention also provides a kind of decision maker of speaker sound quality quality, which includes：
Microphone calibration instrument, signal generator, pickup microphone, audio analyzer；Above-mentioned pickup microphone positioned inside
There is the decision-making system of speaker sound quality quality disclosed in this invention；Above-mentioned Microphone calibration instrument is connect with above-mentioned pickup microphone；
Above-mentioned pickup microphone is connect with audio analyzer, speaker to be measured respectively；Above-mentioned signal generator is connect with speaker to be measured.
Further, the bluetooth equipment in above-mentioned signal generator carries out Bluetooth pairing with the bluetooth equipment in speaker to be measured
Connection.
Determination method, system and the device of a kind of speaker sound quality quality provided by the present invention, can be effectively to speaker
Sound quality is judged, is capable of the quality of objective, accurate judgement speaker sound quality, to avoid the test present in human ear subjective judgement
Error.In addition, technical scheme of the present invention can also realize that the sound quality quality between multiple and different speakers to be measured judges,
It is by the way that each speaker to be measured, the test result of same sound signal is compared and identifies under same standard sound pressure grade
Sound quality quality situation between each speaker to be measured, effectively to avoid the test error caused by sensitivity difference.
The technical scheme is that selecting pink noise signal to be used as refers to signal, it is with the powder under standard sound pressure grade
The level value of red noise signal is used as with reference to being worth, and is compared with the level value of particular test signal, can effectively be avoided because of choosing
Test error caused by using single-frequency point as EQ curve unevennesses existing when reference, has preferable practicability.
Description of the drawings
Fig. 1 is a kind of determination method flow chart of speaker sound quality quality in embodiment one；
Fig. 2 is in embodiment one for the pre-preparation flow chart before judging speaker sound quality quality；
Fig. 3 is the method flow that standard sound pressure grade whether is in for detecting pink noise signal sound in embodiment one
Figure；
Fig. 4 is the method flow that standard sound pressure grade whether is in for detecting particular test signal acoustic pressure in embodiment one
Figure；
Fig. 5 is a kind of decision-making system composition figure of speaker sound quality quality in embodiment one；
Fig. 6 is the module composition figure for the pre-preparation before judging speaker sound quality quality in embodiment one；
Fig. 7 is the module composition figure of the first sending module in embodiment one；
Fig. 8 is the module composition figure of the second sending module in embodiment one；
Fig. 9 is a kind of composite structural diagram of the decision maker of speaker sound quality quality in embodiment one.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that the diagram provided in following embodiment only illustrates the basic structure of the present invention in a schematic way
Think, component count, shape and size when only display is with related component in the present invention rather than according to actual implementation in schema then
Draw, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
Embodiment one
Referring to Fig.1, present embodiments provide a kind of determination method of speaker sound quality quality, the determination method specifically include as
Lower step：
S1：Obtain the pink noise signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S2：Above-mentioned pink noise signal is sent to audio analyzer to obtain electricity corresponding with above-mentioned pink noise signal
Level values；
S3：Obtain the particular test signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S4：Above-mentioned particular test signal is sent to audio analyzer to obtain electricity corresponding with above-mentioned particular test signal
Level values；
S5：Set the level value of pink noise signal to reference value, the level value of particular test signal and reference value into
Row comparison is to identify the quality of speaker sound quality.
It should be noted that standard sound pressure grade involved in the present embodiment is 94dBSPL sound pressure levels.Institute in the present embodiment
The particular test signal being related to includes：Specific music signal, swept-frequency signal etc..
It should be noted that first, before the sound quality quality for treating acoustic case is judged, it is also necessary to utilize microphone
Prover carries out the decision-making system calibration process of standard sound pressure；Secondly, it is also necessary to treat position that acoustic case is placed into
Row fixation is also convenient for right so that the distance between speaker to be measured and decision-making system are maintained at the position that can realize signal transmission
When multiple speakers to be measured are judged, directly speaker to be measured can be directly placed at the position, to reduce test error.It is based on
This also needs to execute following steps before executing step S1 with reference to Fig. 2：
S01：The voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument is calibrated；
S02：The distance between speaker to be measured is obtained to be fixed to treat acoustic case present position；
S03：Volume adjustment instruction is sent to speaker to be measured so that above-mentioned speaker to be measured adjusts volume to maximum value.
It should be noted that judging speaker sound quality under same sound pressure grade to realize, need to make decision-making system institute
The pink noise signal of acquisition, particular test signal are under identical standard sound pressure grade.Based on this, with reference to Fig. 3, for step
" it is corresponding with above-mentioned pink noise signal to obtain to audio analyzer to send above-mentioned pink noise signal involved by rapid S2
The detailed process of level value " includes：
S21：Whether the acoustic pressure for detecting above-mentioned pink noise signal is in standard sound pressure grade；If so, thening follow the steps S22；
If it is not, thening follow the steps S23；
S22：It is corresponding with above-mentioned pink noise signal to obtain to audio analyzer to send above-mentioned pink noise signal
Level value；
S23：The adjust instruction of the above-mentioned pink noise signal level value containing adjustment is sent to speaker to be measured so that above-mentioned signal
Generator adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded；Repeat step S21.
I.e.：The acoustic pressure that decision-making system treats the pink noise signal that acoustic case is transmitted is judged, if the pink noise
The acoustic pressure of signal is in standard sound pressure grade (being 94dBSPL sound pressure levels), then pink noise signal is sent to by the decision-making system
Audio analyzer carries out analyzing processing；The audio analyzer is analyzed to obtain to the pink noise signal to be believed with the pink noise
Number corresponding level value.If the acoustic pressure of the pink noise signal is not at standard sound pressure grade, which contains transmission
The adjust instruction of pink noise signal level value is adjusted to speaker to be measured, is further forwarded to signal through speaker to be measured
Device；To, signal generator will adjust the level value of transmitted pink noise signal so that the pink signal transmitted
Acoustic pressure be in standard sound pressure grade.
It should be noted that the pink noise signal involved by the present embodiment refers to the letter transmitted by signal generator
Number, pink noise is the most common noise of nature, is mainly distributed on middle low-frequency range, is usually used in the sound of acoustical testing.
It should be noted that with reference to Fig. 4, for " sending above-mentioned particular test signal to audio point involved by step S4
Analyzer is to obtain level value corresponding with above-mentioned particular test signal " detailed process be：
S41：Whether the acoustic pressure for detecting above-mentioned particular test signal is in standard sound pressure grade；If so, thening follow the steps S42；
If it is not, thening follow the steps S43；
S42：It is corresponding with above-mentioned particular test signal to obtain to audio analyzer to send above-mentioned particular test signal
Level value；
S43：The adjust instruction of the above-mentioned particular test signal containing adjustment is sent to speaker to be measured so that above-mentioned signal generator
The level value of particular test signal is adjusted based on the adjust instruction that speaker to be measured is forwarded；Repeat step S41.
I.e.：Decision-making system treats particular test signal that acoustic case is transmitted (such as：Specific music signal, swept-frequency signal etc.)
Acoustic pressure judged that, if the acoustic pressure of the particular test signal is in standard sound pressure grade (be 94dBSPL sound pressure levels), this is sentenced
Determine system and particular test signal is sent to audio analyzer progress analyzing processing；The audio analyzer is to the particular test signal
It is analyzed to obtain level value corresponding with the particular test signal signal.If the acoustic pressure of the particular test signal is not at mark
Quasi- sound pressure level, then the decision-making system by send containing adjustment particular test signal level value adjust instruction to speaker to be measured, into one
Step is forwarded to signal generator through speaker to be measured；To which signal generator will adjust transmitted particular test signal
Level value so that the acoustic pressure of the particular test signal transmitted be in standard sound pressure grade.
It should be noted that the determination method for the speaker sound quality that the present embodiment is provided, in addition to can be believed with pink noise
Number as with reference to signal in order to being compared with other particular test signals except the quality to judge speaker sound quality, additionally it is possible to
By judging respectively multiple speakers to be measured, to get the level value of corresponding signal specific and the electricity of pink noise signal
Level values, so as to by the comparison between corresponding level value, identify the sound quality quality situation between each speaker to be measured,
To avoid because of the test error present in human ear subjective judgement speaker sound quality quality.
Determination method based on a kind of speaker sound quality quality that the present embodiment is provided, correspondingly, the present embodiment also provides
A kind of decision-making system of speaker sound quality quality, with reference to Fig. 5, which includes：
First acquisition module, the pink noise for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Signal；
First sending module, for sending above-mentioned pink noise signal to audio analyzer to obtain and above-mentioned pink noise
The corresponding level value of signal；
Second acquisition module, the fc-specific test FC for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Signal；
Second sending module sends above-mentioned particular test signal to audio analyzer to obtain and above-mentioned particular test signal
Corresponding level value；
Matching identification module, for setting the level value of above-mentioned pink noise signal to reference value, particular test signal
Level value and above-mentioned reference value compared to identify the quality of speaker sound quality.
It should be noted that with reference to Fig. 6, the decision-making system that the present embodiment is provided further includes：
First receiving module, the voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument carry out school
It is accurate；
Third acquisition module is consolidated for obtaining the distance between speaker to be measured with treating acoustic case present position
It is fixed；
Third sending module, for sending volume adjustment instruction to speaker to be measured so that above-mentioned speaker to be measured adjusts volume extremely
Maximum value.
It should be noted that with reference to Fig. 7, the first sending module in the present embodiment includes：
Whether first detection module, the acoustic pressure for detecting above-mentioned pink noise signal are in standard sound pressure grade；
4th sending module, for sending the adjust instruction of the above-mentioned pink noise signal level value containing adjustment to speaker to be measured
So that above-mentioned signal generator adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded.
It should be noted that with reference to Fig. 8, the second sending module in the present embodiment includes：
Whether the second detection module, the acoustic pressure for detecting above-mentioned particular test signal are in standard sound pressure grade；
5th sending module, for sending the adjust instruction of the above-mentioned particular test signal containing adjustment to speaker to be measured so that
State the level value that signal generator adjusts particular test signal based on the adjust instruction that speaker to be measured is forwarded.
Determination method, device based on a kind of speaker sound quality quality that the present embodiment is provided, correspondingly, the present embodiment is also
A kind of decision maker of speaker sound quality quality is provided, with reference to Fig. 9, which includes：
Microphone calibration instrument 100, signal generator 200, pickup microphone 300, audio analyzer 400；Above-mentioned pickup wheat
Gram 300 positioned inside of wind has the decision-making system for the speaker sound quality quality that the present embodiment provided；Above-mentioned Microphone calibration instrument 100 with
Above-mentioned pickup microphone 300 connects；Above-mentioned pickup microphone 300 is connect with audio analyzer 400, speaker to be measured 500 respectively；On
Signal generator 200 is stated to connect with speaker 500 to be measured.
It should be noted that set by its internal bluetooth between speaker and signal generator to be measured in the present embodiment
It is standby to carry out Bluetooth pairing connection, in order to realize the interaction instructed therebetween.
Determination method, system and the device for a kind of speaker sound quality quality that the present embodiment is provided, can be effectively to sound
Case sound quality is judged, is capable of the quality of objective, accurate judgement speaker sound quality, to avoid the survey present in human ear subjective judgement
Try error.In addition, the present embodiment can also realize that the sound quality quality between multiple and different speakers to be measured judges, it is logical
It crosses to each speaker to be measured the test result of identical signal under same standard sound pressure grade and is compared and identify and each wait for acoustic
Sound quality quality situation between case, effectively to avoid the test error caused by sensitivity difference.
It is to select pink noise signal to be used as to refer to signal in the present embodiment, the pink noise signal under standard sound pressure grade
Level value be used as with reference to be worth, be compared with the level value of particular test signal, can avoid because select single-frequency point as ginseng
Test error caused by existing EQ curve unevennesses is examined, there is preferable practicability.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of determination method of speaker sound quality quality, which is characterized in that the determination method includes：
S1：Obtain the pink noise signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S2：The pink noise signal is sent to audio analyzer to obtain level corresponding with the pink noise signal
Value；
S3：Obtain the particular test signal for the standard sound pressure grade that speaker to be measured is transmitted to through signal generator；
S4：The particular test signal is sent to audio analyzer to obtain level corresponding with the particular test signal
Value；
S5：Set the level value of the pink noise signal to reference value, the level value of the particular test signal with it is described
Reference value is compared to identify the quality of speaker sound quality.
2. a kind of determination method of speaker sound quality quality as described in claim 1, which is characterized in that before the step S1 also
Including：
S01：The voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument is calibrated；
S02：The distance between speaker to be measured is obtained to be fixed to treat acoustic case present position；
S03：Volume adjustment instruction is sent to speaker to be measured so that the speaker to be measured adjusts volume to maximum value.
3. a kind of determination method of speaker sound quality quality as claimed in claim 1 or 2, which is characterized in that the step S2 packets
It includes：
S21：Whether the acoustic pressure for detecting the pink noise signal is in standard sound pressure grade；If so, thening follow the steps S22；If it is not,
Then follow the steps 23；
S22：The pink noise signal is sent to audio analyzer to obtain level corresponding with the pink noise signal
Value；
S23：The adjust instruction of the pink noise signal level value containing adjustment is sent to speaker to be measured so that the signal occurs
Device adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded；Repeat step S21.
4. a kind of determination method of speaker sound quality quality as claimed in claim 3, which is characterized in that the step S4 includes：
S41：Whether the acoustic pressure for detecting the particular test signal is in standard sound pressure grade；If so, thening follow the steps S42；If it is not,
Then follow the steps S43；
S42：The particular test signal is sent to audio analyzer to obtain level corresponding with the particular test signal
Value；
S43：The adjust instruction of the particular test signal containing adjustment is sent to speaker to be measured so that the signal generator is based on
The level value for the adjust instruction adjustment particular test signal that speaker to be measured is forwarded；Repeat step S41.
5. a kind of decision-making system of speaker sound quality quality, which is characterized in that the decision-making system includes：
First acquisition module, the pink noise letter for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Number；
First sending module, for sending the pink noise signal to audio analyzer to obtain and the pink noise signal
Corresponding level value；
Second acquisition module, the fc-specific test FC letter for obtaining the standard sound pressure grade for being transmitted to speaker to be measured through signal generator
Number；
It is opposite with the particular test signal to obtain to audio analyzer to send the particular test signal for second sending module
The level value answered；
Matching identification module, for setting the level value of the pink noise signal to reference value, the electricity of particular test signal
Level values are compared with the reference value to identify the quality of speaker sound quality.
6. a kind of decision-making system of speaker sound quality quality as claimed in claim 5, which is characterized in that the decision-making system is also wrapped
It includes：
First receiving module, the voice signal for receiving the standard sound pressure grade transmitted by Microphone calibration instrument are calibrated；
Third acquisition module is fixed for obtaining the distance between speaker to be measured with treating acoustic case present position；
Third sending module, for sending volume adjustment instruction to speaker to be measured so that the speaker to be measured adjusts volume to maximum
Value.
7. such as a kind of decision-making system of speaker sound quality quality described in claim 5 or 6, which is characterized in that described first sends
Module includes：
Whether first detection module, the acoustic pressure for detecting the pink noise signal are in standard sound pressure grade；
4th sending module, for sending the adjust instruction of the pink noise signal level value containing adjustment to speaker to be measured so that
The signal generator adjusts the level value of pink noise signal based on the adjust instruction that speaker to be measured is forwarded.
8. a kind of decision-making system of speaker sound quality quality as claimed in claim 7, which is characterized in that second sending module
Including：
Whether the second detection module, the acoustic pressure for detecting the particular test signal are in standard sound pressure grade；
5th sending module, for sending the adjust instruction of the particular test signal containing adjustment to speaker to be measured so that the letter
Number generator adjusts the level value of particular test signal based on the adjust instruction that speaker to be measured is forwarded.
9. a kind of decision maker of speaker sound quality quality, which is characterized in that the decision maker includes：Microphone calibration instrument, letter
Number generator, pickup microphone, audio analyzer；Described pickup microphone positioned inside claim 5-8 any one of them
A kind of decision-making system of speaker sound quality quality；The Microphone calibration instrument is connect with the pickup microphone；The pickup Mike
Wind is connect with audio analyzer, speaker to be measured respectively；The signal generator is connect with speaker to be measured.
10. a kind of decision maker of speaker sound quality quality as claimed in claim 9, which is characterized in that the signal generator
Interior bluetooth equipment carries out Bluetooth pairing with the bluetooth equipment in speaker to be measured and connect.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108810789B (en) | 2023-05-09 |
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Denomination of invention: A method, system, and device for determining the quality of a speaker's sound Effective date of registration: 20231117 Granted publication date: 20230509 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: ENPING AOMEI AUDIO CO.,LTD. Registration number: Y2023980066277 |