CN114802540B - Sound evaluation design method for sunroof sunshade system - Google Patents
Sound evaluation design method for sunroof sunshade system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
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- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/0007—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention belongs to the field of automobiles, and discloses a sound evaluation design method for an automobile skylight sunshade curtain system. Step 1: objective test of sound of a sun-shading curtain system of a skylight in a whole vehicle state; step 2: based on the test of the step 1, performing primary selection of objective evaluation parameters according to psychoacoustics; step 3: based on the objective evaluation parameters initially selected in the step 2, subjective evaluation of the sound of the sun-shading curtain system of the skylight in the whole vehicle state is carried out; step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics; step 5: based on the parameters corrected in the step 4, carrying out subjective and objective parameter correlation analysis; step 6: and (5) establishing a subjective and objective evaluation target system based on the analysis of the parameter relevance in the step (5). The method for improving subjective and objective perception matching precision through correction of acoustic parameters in the skylight opening state is not used in the prior art.
Description
Technical Field
The invention belongs to the field of automobiles; in particular to a sound evaluation design method for a sun-shading curtain system of an automobile skylight.
Background
With the increasing maturity of the automobile industry, the sound design of automobile part systems must gradually develop from early noise reduction to sound quality improvement. While development of sound quality will certainly introduce psychoacoustic parameters that differ from conventional sound pressure levels. Different psycho-acoustic parameters have different applicable conditions, so the first step in this patent is to determine the psycho-acoustic parameters that are suitable for describing a sun blind for a sunroof. It is contemplated that the open versus closed status of the sunroof is a different acoustically perceived environment for occupants within the vehicle. Therefore, the next step is to introduce corresponding correction amount, and unify psychoacoustic parameter data of the two states of the skylight opening and closing into the same system for comparison analysis. And finally, determining a parameter value range meeting the requirements for the corrected psychoacoustic parameters and a subjective scoring system of sound, and establishing an acoustic target system of the skylight sunshade curtain system. Two general inventions are related to sound design of automobile sunroof systems, one is an early development method or abnormal sound testing method based on sound pressure level, and the method has the advantages of simple operation and the disadvantage that a result based on psychoacoustics cannot be obtained. The other is mainly aimed at the optimization method of the structure, and the method aims at a certain class of problems, but does not describe a design system method for constructing a perfect skylight sunshade curtain sound.
Disclosure of Invention
The invention provides a sound evaluation design method of an automobile skylight sunshade system, which is used for solving the problem that in the prior art, no method for improving subjective and objective perception matching precision through correction of acoustic parameters in a skylight opening state is adopted.
The invention is realized by the following technical scheme:
the design method for evaluating the sound of the sun-shading curtain system of the automobile skylight comprises the following steps:
step 1: objective test of sound of a sun-shading curtain system of a skylight in a whole vehicle state;
step 2: based on the test of the step 1, performing primary selection of objective evaluation parameters according to psychoacoustics;
step 3: based on the objective evaluation parameters initially selected in the step 2, subjective evaluation of the sound of the sun-shading curtain system of the skylight in the whole vehicle state is carried out;
step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
step 5: based on the parameters corrected in the step 4, carrying out subjective and objective parameter correlation analysis;
step 6: and (5) establishing a subjective and objective evaluation target system based on the analysis of the parameter relevance in the step (5).
A sound evaluation design method for a sun-shading curtain system of an automobile sunroof comprises the following steps of,
step 1.1: adjusting the driver seat to the midpoint of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulation person on the driver seat;
step 1.2: the operator sits on the main driving seat at the same time;
step 1.3: the sunroof sunshade system is operated, and the operation is repeated three times, and the sound of the operation process of the system is recorded by using an acoustic artificial head.
A sound evaluation design method for a sun-shading curtain system of an automobile skylight, which comprises the following steps of step 2, performing initial selection of objective evaluation parameters according to psychoacoustics,
intercepting the sound of the skylight switch operation and the sunshade curtain switch operation recorded in the step 1 according to the requirement;
intercepting inner ear data in a steady operation stage as a research object;
intercepting data of front 0.5s and rear 1s of a sound pressure level peak value which is the limit of the skylight and the sunshade curtain as a research object, and taking inner ear data as the research object;
calculating the loudness, the characteristic loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; limiting position data, calculating the loudness, the characteristic loudness and the sharpness of the limiting position data; as an initial objective evaluation parameter.
A sound evaluation design method for a sun-shading curtain system of an automobile sunroof, which is characterized in that the sound evaluation design method is used for intercepting according to requirements,
the intercepting according to the requirement is specifically that aiming at a common skylight, the switching operation sound of the common skylight is intercepted for 2s, and the switching operation sound of a sunshade curtain of the common skylight is intercepted for 4s;
aiming at the panoramic sunroof, the on-off operation sound of the panoramic sunroof is intercepted for 4s, and the on-off operation sound of the panoramic sunroof sunshade curtain is intercepted for 8s.
A design method for evaluating sound of sun-shading curtain system of automobile sunroof, wherein the step 3 is to evaluate the sound of sun-shading curtain system of sunroof subjectively in the whole automobile state,
evaluation position: a driver position;
the operation method comprises the following steps: the electric quantity of the vehicle storage battery is sufficient and is in a power-on state; operating the skylight and the sunshade curtain to run repeatedly for three times;
the evaluation content: evaluating the sound of a stable stage in the running process of the skylight and the sunshade curtain, and evaluating the sound of the skylight and the sunshade curtain running to limit;
the subjective evaluation method adopts 10 minutes, and the minimum unit of the evaluation score is 0.5 minutes;
the scores of the sounds of the items to be evaluated in the evaluation group were averaged at the time of the statistics, rounded with 0.25 as a reference after the calculation, and the final score was recorded as subjective evaluation S1.
A sound evaluation design method of a sun-shading curtain system of an automobile skylight comprises the following steps that step 4 is used for calculating correction parameters according to psychoacoustics, namely, the loudness and sharpness parameters of sound in a skylight opening state are correspondingly corrected; carrying out data analysis on a reverberation field and a free field on data of 6.25-7.75 minutes of subjective evaluation in a sound sample, and calculating loudness and sharpness values of skylight switch sound data under different sound fields; and then, counting the data difference results of different sound fields, dividing the sound fields into three grades according to 0.5 grade, and taking a difference result average value.
Sound evaluation design method for automobile skylight sunshade system, and the method
When subjective evaluation is between 6.25 and 6.75, the loudness difference is 0.8, and the sharpness difference is 0.14;
when subjective evaluation is between 6.75 and 7.25, the loudness difference is 0.7, and the sharpness difference is 0.10;
when subjective evaluation was 7.25 to 7.75, the loudness difference was 0.6 and the sharpness difference was 0.06.
A sound evaluation design method of an automobile skylight sunshade system comprises the following steps that step 5 is used for carrying out subjective and objective parameter correlation analysis, namely, loudness and sharpness data of reverberations in all skylight opening states are modified;
carrying out relevance analysis on each corrected initial edition objective evaluation parameter and corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with larger relevance with the subjective evaluation score as quasi objective evaluation parameters;
carrying out credibility judgment on the relevance of each subjective and objective evaluation, carrying out calculation to obtain an objective quantification result S2 by taking the quasi-objective evaluation parameters into a regression equation, and passing through a formula
1- |S1-S2|/S1 is 100%, calculating an absolute error, and judging the absolute error;
if the absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the absolute error is less than or equal to 95%, repeating subjective and objective evaluation parameter correlation analysis.
A sound evaluation design method for a sun-shading curtain system of an automobile sunroof sets a subjective evaluation target score of sound of the sun-shading curtain system to be not lower than 7 minutes. The objective evaluation parameters and evaluation targets of the skylight and the sunshade curtain reaching the limit sound are as follows:
the running sounds of the skylight and the sunshade curtain are that the loudness of N5 is less than or equal to 9.0;
the specific loudness of 8-13 is less than or equal to 1.0, and the specific loudness of other frequency bands is less than or equal to 0.7;
the roughness is less than or equal to 0.05;
the skylight reaches the spacing sound: the loudness of N5 is less than or equal to 15.0; the loudness of the limit sound N5 reached by the sunshade curtain is less than or equal to 12.0;
the specific loudness of all frequency bands is less than or equal to 0.7;
sharpness is less than or equal to 2.5.
The beneficial effects of the invention are as follows:
according to the method, the influence of sound field change in the vehicle on the auditory sensation of a person after the sunroof is opened is considered, and the corresponding correction of the operation acoustic parameters of the sunroof based on subjective evaluation is included.
The correction method from the semi-free field to the reverberant field based on subjective evaluation is also applicable to other similar working conditions such as window lifting and back door opening and closing on automobiles.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a flow chart of the method of embodiment 2 of the present invention.
Fig. 3 is a schematic view of limiting value interception of the present invention.
Fig. 4 is a smooth running value cut-out schematic of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The design method for evaluating the sound of the sun-shading curtain system of the automobile skylight comprises the following steps:
step 1: objective test of sound of a sun-shading curtain system of a skylight in a whole vehicle state;
step 2: based on the test of the step 1, performing primary selection of objective evaluation parameters according to psychoacoustics;
step 3: based on the objective evaluation parameters initially selected in the step 2, subjective evaluation of the sound of the sun-shading curtain system of the skylight in the whole vehicle state is carried out;
step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
step 5: based on the parameters corrected in the step 4, carrying out subjective and objective parameter correlation analysis;
step 6: and (5) establishing a subjective and objective evaluation target system based on the analysis of the parameter relevance in the step (5).
A sound evaluation design method for a sun-shading curtain system of an automobile sunroof comprises the following steps of,
step 1.1: adjusting the driver seat to the midpoint of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulation person on the driver seat;
step 1.2: the operator sits on the main driving seat at the same time;
step 1.3: the sunroof sunshade system is operated, and the operation is repeated three times, and the sound of the operation process of the system is recorded by using an acoustic artificial head.
A sound evaluation design method for a sun-shading curtain system of an automobile skylight, which comprises the following steps of step 2, performing initial selection of objective evaluation parameters according to psychoacoustics,
intercepting the sound of the skylight switch operation and the sunshade curtain switch operation recorded in the step 1 according to the requirement;
intercepting inner ear data in a steady operation stage as a research object;
intercepting data of front 0.5s and rear 1s of a sound pressure level peak value which is the limit of the skylight and the sunshade curtain as a research object, and taking inner ear data as the research object;
calculating the loudness, the characteristic loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; limiting position data, calculating the loudness, the characteristic loudness and the sharpness of the limiting position data; as an initial objective evaluation parameter.
A sound evaluation design method for a sun-shading curtain system of an automobile sunroof, which is characterized in that the sound evaluation design method is used for intercepting according to requirements,
the intercepting according to the requirement is specifically that aiming at a common skylight, the switching operation sound of the common skylight is intercepted for 2s, and the switching operation sound of a sunshade curtain of the common skylight is intercepted for 4s;
aiming at the panoramic sunroof, the on-off operation sound of the panoramic sunroof is intercepted for 4s, and the on-off operation sound of the panoramic sunroof sunshade curtain is intercepted for 8s.
A design method for evaluating sound of sun-shading curtain system of automobile sunroof, wherein the step 3 is to evaluate the sound of sun-shading curtain system of sunroof subjectively in the whole automobile state,
evaluation position: a driver position;
the operation method comprises the following steps: the electric quantity of the vehicle storage battery is sufficient and is in a power-on state; operating the skylight and the sunshade curtain to run repeatedly for three times;
the evaluation content: evaluating the sound of a stable stage in the running process of the skylight and the sunshade curtain, and evaluating the sound of the skylight and the sunshade curtain running to limit;
the subjective evaluation method adopts 10 minutes, the minimum unit of the evaluation score is 0.5 minutes, and the scoring standard is shown in table 2;
the scores of the sounds of the items to be evaluated in the evaluation group were averaged at the time of the statistics, rounded with 0.25 as a reference after the calculation, and the final score was recorded as subjective evaluation S1.
1, the method comprises the following steps: evaluation of performance: unacceptable; customer satisfaction: very unsatisfactory; improvement requirements are as follows: all customers feel the need for improvement;
2, the method comprises the following steps: evaluation of performance: unacceptable; customer satisfaction: very unsatisfactory; improvement requirements are as follows: all customers feel the need for improvement;
3, the method comprises the following steps: evaluation of performance: unacceptable; customer satisfaction: poor; improvement requirements are as follows: all customers feel the need for improvement;
4, the following steps: evaluation of performance: unacceptable; customer satisfaction: poor; improvement requirements are as follows: all customers feel the need for improvement;
5, the method comprises the following steps: evaluation of performance: minimum acceptance; customer satisfaction: slightly unsatisfactory; improvement requirements are as follows: the average customer feels the need for improvement;
and 6, dividing: evaluation of performance: acceptable; customer satisfaction: is substantially satisfactory; improvement requirements are as follows: a critical customer;
7, the following steps: evaluation of performance: a general acceptance; customer satisfaction: is substantially satisfactory; improvement requirements are as follows: a critical customer;
8, the following steps: evaluation of performance: the method is good; customer satisfaction: satisfaction is satisfied; improvement requirements are as follows: is a trained person;
9, the method comprises the following steps: evaluation of performance: very good; customer satisfaction: very satisfactory; improvement requirements are as follows: is difficult to perceive;
10, the method comprises the following steps: evaluation of performance: the quality is excellent; customer satisfaction: very satisfactory; improvement requirements are as follows: is difficult to perceive.
According to the method, step 4 is to calculate correction parameters according to psychoacoustics, specifically, according to the definition of psychoacoustics parameters, aiming at a working condition needing correction, namely a skylight opening state, it is known that the definition of loudness and sharpness among the psychoacoustics parameters such as loudness, sharpness, roughness, fluctuation degree, sound scheduling and the like is related to a sound field environment. Therefore, in order to evaluate the sound sample of the open state of the skylight in the reverberant field in the automobile, the loudness and sharpness parameters of the sound of the open state of the skylight need to be correspondingly modified; carrying out data analysis on a reverberation field and a free field on data of 6.25-7.75 minutes of subjective evaluation (all data samples are in the scoring range) in the sound samples, and calculating loudness and sharpness values of skylight switch sound data under different sound fields; and then, counting the data difference results of different sound fields, dividing the sound fields into three steps according to 0.5 step, and taking a difference result average value, wherein the data result is shown in Table 3. Since the normal evaluation environment is the reverberant field in the car, the sunroof is opened, i.e. close to the semi-free field, and the perceived loudness is reduced. The correction is to subtract the following difference value obtained based on subjective scores from the several parameters measured by the open state of the sunroof.
A sound evaluation design method of a sun-shading curtain system of an automobile skylight,
when subjective evaluation is between 6.25 and 6.75, the loudness difference value/stone is 0.8, and the sharpness difference value/acum is 0.14;
when subjective evaluation is between 6.75 and 7.25, the loudness difference value/stone is 0.7, and the sharpness difference value/acum is 0.10;
when subjective evaluation was 7.25 to 7.75, the loudness difference/stone was 0.6 and the sharpness difference/acum was 0.06.
A sound evaluation design method of an automobile skylight sunshade system comprises the following steps of 5, carrying out subjective and objective parameter correlation analysis, namely, correcting loudness and sharpness data of reverberation fields in all skylight opening states (including partial opening and full opening, and not including an initial lifting stage); i.e., subtracting the correction value in table 3 from the data result before correction based on the subjective score range;
carrying out relevance analysis on each corrected initial edition objective evaluation parameter and corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with larger relevance with the subjective evaluation score as quasi objective evaluation parameters;
the regression equation is as follows: y= -0.094x+7.69;
carrying out credibility judgment on the relevance of each subjective and objective evaluation, carrying out calculation to obtain an objective quantification result S2 by taking the quasi-objective evaluation parameters into a regression equation, and passing through a formula
1- |S1-S2|/S1 is 100%, calculating an absolute error, and judging the absolute error;
if the absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the absolute error is less than or equal to 95%, repeating subjective and objective evaluation parameter correlation analysis.
Sound evaluation design method for automobile skylight sunshade system, and the method
Setting the objective score of subjective evaluation of sound of the skylight sunshade system to be not lower than 7. The objective evaluation parameters and evaluation targets of the skylight and the sunshade curtain reaching the limit sound are as follows:
the running sounds of the skylight and the sunshade curtain are that the loudness of N5 is less than or equal to 9.0 stone;
the specific loudness of 8-13 Bark is less than or equal to 1.0 tone/Bark, and the specific loudness of other frequency bands is less than or equal to 0.7 tone/Bark;
roughness is less than or equal to 0.05asper;
the skylight reaches the spacing sound: the loudness of N5 is less than or equal to 15.0sone; the loudness of the sunshade curtain reaching the limit sound N5 is less than or equal to 12.0 tone;
the specific loudness of all frequency bands is less than or equal to 0.7 tone/Bark;
sharpness is less than or equal to 2.5acum.
Table 1 data processing reference table
Table 2 score description table
TABLE 3 Acoustic parameter modification reference
Claims (8)
1. The sound evaluation design method for the sun-shading curtain system of the automobile skylight is characterized by comprising the following steps of:
step 1: objective test of sound of a sun-shading curtain system of a skylight in a whole vehicle state;
step 2: based on the test of the step 1, performing primary selection of objective evaluation parameters according to psychoacoustics;
step 3: based on the objective evaluation parameters initially selected in the step 2, subjective evaluation of the sound of the sun-shading curtain system of the skylight in the whole vehicle state is carried out;
step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
step 5: based on the parameters corrected in the step 4, carrying out subjective and objective parameter correlation analysis;
step 6: establishing a subjective and objective evaluation target system based on the analysis of the parameter relevance in the step 5;
the step 4 is to calculate correction parameters according to psychoacoustics, namely, correspondingly correcting loudness and sharpness parameters of sound in a skylight opening state; carrying out data analysis on a reverberation field and a free field on data of 6.25-7.75 minutes of subjective evaluation in a sound sample, and calculating loudness and sharpness values of skylight switch sound data under different sound fields; and then, counting the data difference results of different sound fields, dividing the sound fields into three grades according to 0.5 grade, and taking a difference result average value.
2. The method for evaluating and designing the sound of the sun-shading curtain system of the automobile according to claim 1, wherein the objective test of the sound of the sun-shading curtain system of the automobile in the whole automobile state in step 1 comprises the following steps,
step 1.1: adjusting the driver seat to the midpoint of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulation person on the driver seat;
step 1.2: the operator sits on the main driving seat at the same time;
step 1.3: the sunroof sunshade system is operated, and the operation is repeated three times, and the sound of the operation process of the system is recorded by using an acoustic artificial head.
3. The method for designing sound evaluation of sunroof shade system according to claim 1, wherein the step 2 comprises the steps of,
intercepting the sound of the skylight switch operation and the sunshade curtain switch operation recorded in the step 1 according to the requirement;
intercepting inner ear data in a steady operation stage as a research object;
intercepting data of front 0.5s and rear 1s of a sound pressure level peak value which is the limit of the skylight and the sunshade curtain as a research object, and taking inner ear data as the research object;
calculating the loudness, the characteristic loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; limiting position data, calculating the loudness, the characteristic loudness and the sharpness of the limiting position data; as an initial objective evaluation parameter.
4. The sound evaluation design method for the sunroof sunshade system of the automobile according to claim 3, wherein the intercepting is specifically performed according to the requirement,
the intercepting according to the requirement is specifically that aiming at a common skylight, the switching operation sound of the common skylight is intercepted for 2s, and the switching operation sound of a sunshade curtain of the common skylight is intercepted for 4s;
aiming at the panoramic sunroof, the on-off operation sound of the panoramic sunroof is intercepted for 4s, and the on-off operation sound of the panoramic sunroof sunshade curtain is intercepted for 8s.
5. The method for designing sound evaluation of sunroof shade system according to claim 1, wherein the step 3 of performing subjective evaluation of sound of sunroof shade system in the whole vehicle state is specifically,
evaluation position: a driver position;
the operation method comprises the following steps: the electric quantity of the vehicle storage battery is sufficient and is in a power-on state; operating the skylight and the sunshade curtain to run repeatedly for three times;
the evaluation content: evaluating the sound of a stable stage in the running process of the skylight and the sunshade curtain, and evaluating the sound of the skylight and the sunshade curtain running to limit;
the subjective evaluation method adopts 10 minutes, and the minimum unit of the evaluation score is 0.5 minutes;
the scores of the sounds of the items to be evaluated in the evaluation group were averaged at the time of the statistics, rounded with 0.25 as a reference after the calculation, and the final score was recorded as subjective evaluation S1.
6. The sound evaluation design method for the sun blind system of the automobile sunroof according to claim 1, wherein,
when subjective evaluation is between 6.25 and 6.75, the loudness difference is 0.8, and the sharpness difference is 0.14;
when subjective evaluation is between 6.75 and 7.25, the loudness difference is 0.7, and the sharpness difference is 0.10;
when subjective evaluation was 7.25 to 7.75, the loudness difference was 0.6 and the sharpness difference was 0.06.
7. The method for designing sound evaluation of a sunroof sunshade system according to claim 1, wherein the step 5 is characterized in that the subjective and objective parameter correlation analysis is specifically to correct loudness and sharpness data of reverberant fields in all sunroofs in an open state;
carrying out relevance analysis on each corrected initial edition objective evaluation parameter and corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with larger relevance with the subjective evaluation score as quasi objective evaluation parameters;
carrying out reliability judgment on each subjective and objective evaluation relevance, carrying out regression equation S on the quasi-objective evaluation parameters, calculating to obtain objective quantification results S2, calculating absolute errors through formulas 1-S2/S1 by 100%, and judging the absolute errors;
if the absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the absolute error is less than or equal to 95%, repeating subjective and objective evaluation parameter correlation analysis.
8. The sound evaluation design method for the sunroof shade system according to claim 7, wherein the objective score for subjective evaluation of sound of the sunroof shade system is set to be not lower than 7; the objective evaluation parameters and evaluation targets of the skylight and the sunshade curtain reaching the limit sound are as follows:
the running sounds of the skylight and the sunshade curtain are that the loudness of N5 is less than or equal to 9.0;
the specific loudness of 8-13 is less than or equal to 1.0, and the specific loudness of other frequency bands is less than or equal to 0.7;
the roughness is less than or equal to 0.05;
the skylight reaches the spacing sound: the loudness of N5 is less than or equal to 15.0; the loudness of the limit sound N5 reached by the sunshade curtain is less than or equal to 12.0;
the specific loudness of all frequency bands is less than or equal to 0.7;
sharpness is less than or equal to 2.5.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855125A (en) * | 2020-03-31 | 2020-10-30 | 同济大学 | Quantitative evaluation method for automobile door lock closing sound tremor degree |
| CN112765806A (en) * | 2021-01-15 | 2021-05-07 | 中国第一汽车股份有限公司 | Evaluation method and optimization method for sound quality of automobile electric seat |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007049462A (en) * | 2005-08-10 | 2007-02-22 | Ntt Docomo Inc | Apparatus, program, and method for evaluating speech quality |
| JP2007241015A (en) * | 2006-03-10 | 2007-09-20 | Yamaha Corp | Voice evaluation system |
| CN108491999A (en) * | 2018-02-10 | 2018-09-04 | 山东国金汽车制造有限公司 | A kind of objective quantification method to electric vehicle steady-state noise subjective assessment |
| CN109435654B (en) * | 2018-08-29 | 2022-03-08 | 苏州盖茨电子科技有限公司 | Method for evaluating low-noise structure of automobile skylight |
| CN110579273A (en) * | 2019-09-02 | 2019-12-17 | 中国第一汽车股份有限公司 | design method for door closing sound of automobile |
| CN112215469A (en) * | 2020-09-15 | 2021-01-12 | 中国第一汽车股份有限公司 | Sound design method for automobile key switch |
| CN112277594B (en) * | 2020-10-29 | 2022-04-26 | 广州汽车集团股份有限公司 | Control method and system for sun-shading curtain of vehicle skylight |
| CN113155272A (en) * | 2021-01-21 | 2021-07-23 | 中国第一汽车股份有限公司 | Method for evaluating and optimizing quality of electric opening and closing sound of automobile tail gate |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855125A (en) * | 2020-03-31 | 2020-10-30 | 同济大学 | Quantitative evaluation method for automobile door lock closing sound tremor degree |
| CN112765806A (en) * | 2021-01-15 | 2021-05-07 | 中国第一汽车股份有限公司 | Evaluation method and optimization method for sound quality of automobile electric seat |
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