CN114802540A - Sound evaluation design method for automobile skylight sunshade curtain system - Google Patents
Sound evaluation design method for automobile skylight sunshade curtain system Download PDFInfo
- Publication number
- CN114802540A CN114802540A CN202210462784.4A CN202210462784A CN114802540A CN 114802540 A CN114802540 A CN 114802540A CN 202210462784 A CN202210462784 A CN 202210462784A CN 114802540 A CN114802540 A CN 114802540A
- Authority
- CN
- China
- Prior art keywords
- sound
- evaluation
- skylight
- objective
- loudness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention belongs to the field of automobiles, and discloses a sound evaluation design method for an automobile skylight sunshade screen system. Step 1: objective testing of the sound of the skylight sunshade screen system in the whole vehicle state; step 2: based on the test of the step 1, carrying out initial selection of objective evaluation parameters according to psychoacoustics; and step 3: based on the step 2, primarily selecting a visitor evaluation parameter, and carrying out subjective evaluation on the sound of the skylight sunshade screen system in the whole vehicle state; and 4, step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics; and 5: performing relevance analysis on subjective and objective parameters based on the parameters corrected in the step 4; step 6: and (5) establishing an objective evaluation target system based on the analysis of parameter relevance in the step 5. The method is used for solving the problem that the subjective and objective perception matching precision is not improved by correcting the acoustic parameters in the skylight opening state in the prior art.
Description
Technical Field
The invention belongs to the field of automobiles; in particular to a sound evaluation design method for an automobile skylight sunshade screen system.
Background
With the increasing maturity of the automobile industry, the sound design of the automobile component system must gradually develop from early noise reduction to sound quality improvement. The development of sound quality necessarily introduces psychoacoustic parameters different from the traditional sound pressure level. Different psychoacoustic parameters have different applicable working conditions, so the first step of the patent is to determine the psychoacoustic parameters suitable for describing the skylight sunshade curtain. Consider that the open state of the sunroof is a different acoustically perceived environment for the occupants of the vehicle than the closed state. Therefore, the next step is to introduce corresponding correction quantity, unify the psychoacoustic parameter data of the open and close states of the skylight to the same system and perform comparative analysis. And finally, determining a parameter value range meeting the requirements by combining the corrected psychoacoustic parameters with a subjective scoring system of sound, and establishing an acoustic target system of the skylight sunshade screen system. The invention relates to two patents related to sound design of an automobile skylight system, one of the two patents is an early development method or abnormal sound testing method based on sound pressure level, the advantage is simple operation, and the disadvantage is that a result based on psychoacoustics cannot be obtained. The other is mainly a structural optimization method, which aims at a certain kind of problems more than others, and 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 for an automobile skylight sunshade screen system, which is used for solving the problem that the subjective and objective perception matching precision is not improved by correcting acoustic parameters in a skylight opening state in the prior art.
The invention is realized by the following technical scheme:
a sound evaluation design method for an automobile skylight sunshade screen system comprises the following steps:
step 1: objectively testing the sound of the skylight sunshade curtain system in the state of the whole vehicle;
step 2: based on the test of the step 1, carrying out initial selection of objective evaluation parameters according to psychoacoustics;
and step 3: based on the step 2, primarily selecting a visitor evaluation parameter, and carrying out subjective evaluation on the sound of the skylight sunshade screen system in the whole vehicle state;
and 4, step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
and 5: performing relevance analysis on subjective and objective parameters based on the parameters corrected in the step 4;
step 6: and (5) establishing an objective evaluation target system based on the analysis of parameter relevance in the step 5.
A sound evaluation design method for a car skylight sunshade screen system comprises the following steps of 1, objective testing of the skylight sunshade screen system sound in a whole car state specifically comprises the following steps,
step 1.1: adjusting the driver seat to the middle point position of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulator on the driver seat;
step 1.2: operators sit on the main driving seat at the same time;
step 1.3: and operating the skylight sunshade curtain system for running, repeating the operation for three times, and recording the sound of the running process of the system by using the acoustic artificial head.
A sound evaluation design method of an automobile skylight sunshade screen system is characterized in that step 2 is to carry out 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 requirements;
intercepting inner ear data in a stable operation stage as a research object;
intercepting data of a skylight and a sun-shading curtain reaching a limit, namely the front 0.5s and the back 1s of a sound pressure level peak value as research objects, and taking inner ear data as the research objects;
calculating the loudness, the specific loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; the data at the limit position is used for calculating the loudness, the specific loudness and the sharpness; as an initial objective evaluation parameter.
A sound evaluation design method for a sun-shading curtain system of an automobile skylight specifically comprises the following steps of intercepting according to requirements,
specifically, for a common skylight, intercepting the switching operation sound of the common skylight for 2s, and intercepting the switching operation sound of the sun-shading curtain of the common skylight for 4 s;
and (3) intercepting the opening and closing operation sound of the panoramic sunroof for 4s and intercepting the opening and closing operation sound of the panoramic sunroof sunshade for 8s aiming at the panoramic sunroof.
A sound evaluation design method of a sunroof sunshade screen system of an automobile, the step 3 of subjectively evaluating the sound of the sunroof sunshade screen system in the state of the whole automobile 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 sun-shading curtain to run for three times;
evaluation content: evaluating the sound of the skylight and the sunshade curtain in the stable stage in the running process, and evaluating the sound of the skylight and the sunshade curtain in the limited running process;
the subjective evaluation method adopts 10 points, and the minimum unit of the evaluation score is 0.5 point;
in the statistical process, the scores of the sounds of the items to be evaluated in the evaluation group are averaged, and the average is rounded with 0.25 as a reference after calculation, and the final score is recorded as the subjective evaluation S1.
A car skylight sunshade screen system sound evaluation design method, the step 4 carries on the calculation of the correction parameter according to the psychoacoustics specifically, carry on the corresponding correction to the loudness, sharpness parameter of the sound of the open state of the skylight; performing data analysis of a reverberation field and a free field on data which are subjectively evaluated by 6.25-7.75 points in a sound sample, and calculating loudness and sharpness values of skylight switch sound data under different sound fields; then, the data difference results of different sound fields are counted, and the difference result average value is obtained by dividing into three grades according to 0.5.
A sound evaluation design method for a car skylight sunshade curtain system is disclosed
When the subjective evaluation is 6.25-6.75, the loudness difference is 0.8, and the sharpness difference is 0.14;
when the subjective evaluation is 6.75-7.25, the loudness difference is 0.7, and the sharpness difference is 0.10;
when the subjective evaluation is in the range of 7.25-7.75, the loudness difference is 0.6, and the sharpness difference is 0.06.
A sound evaluation design method of an automobile skylight sunshade screen system is characterized in that the step 5 of carrying out subjective and objective parameter relevance analysis specifically comprises the steps of correcting loudness and sharpness data of a reverberation field in the opening state of all skylights;
performing relevance analysis on each corrected initial-version objective evaluation parameter and the corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with high relevance to the subjective evaluation score as quasi-objective evaluation parameters;
reliability judgment is carried out on the relevance of each subjective and objective evaluation, the quasi-objective quantitative evaluation parameters are substituted into a regression equation, objective quantitative results S2 are obtained through calculation, absolute errors are calculated through a formula 1- | S1-S2|/S1 |/100%, and the absolute errors are judged;
if the obtained absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the obtained absolute error is less than or equal to 95%, repeating the correlation analysis of the subjective and objective evaluation parameters.
A sound evaluation design method for an automobile skylight sunshade screen system sets that the subjective evaluation target score of the skylight sunshade screen system sound is not less than 7. The skylight and the sunshade screen run sound, and objective evaluation parameters and evaluation targets of the skylight and the sunshade screen when reaching the limiting sound are as follows:
the running sounds of the skylight and the sun-shading curtain are both equal, and 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 limit sound: the loudness of N5 is less than or equal to 15.0; the loudness of the limit sound N5 reached by the sun-shading curtain is less than or equal to 12.0;
the specific loudness of all frequency bands is less than or equal to 0.7;
the sharpness is less than or equal to 2.5.
The invention has the beneficial effects that:
the influence of the sound field change in the vehicle after the skylight is opened on the hearing sense of the ears of a person is considered, and the corresponding correction of the skylight running acoustic parameters based on subjective evaluation is included.
The method for correcting the semi-free field to the reverberation field based on the subjective evaluation is also suitable for other similar working conditions such as window lifting, back door opening and closing and the like on the automobile.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
FIG. 2 is a process flow diagram of example 2 of the present invention.
FIG. 3 is a schematic diagram of the limit intercept of the present invention.
Fig. 4 is a smooth-running value intercept schematic of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A sound evaluation design method for an automobile skylight sunshade screen system comprises the following steps:
step 1: objective testing of the sound of the skylight sunshade screen system in the whole vehicle state;
step 2: based on the test of the step 1, carrying out initial selection of objective evaluation parameters according to psychoacoustics;
and step 3: based on the step 2, primarily selecting a visitor evaluation parameter, and carrying out subjective evaluation on the sound of the skylight sunshade screen system in the whole vehicle state;
and 4, step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
and 5: performing relevance analysis on subjective and objective parameters based on the parameters corrected in the step 4;
step 6: and (5) establishing an objective evaluation target system based on the analysis of parameter relevance in the step 5.
A sound evaluation design method for a car skylight sunshade screen system comprises the following steps of 1, objective testing of the skylight sunshade screen system sound in a whole car state specifically comprises the following steps,
step 1.1: adjusting the driver seat to the middle point position of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulator on the driver seat;
step 1.2: the operator sits on the main driving seat at the same time;
step 1.3: and operating the skylight sunshade curtain system for running, repeating the operation for three times, and recording the sound of the running process of the system by using the acoustic artificial head.
A sound evaluation design method of an automobile skylight sunshade screen system is characterized in that step 2 is to carry out 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 requirements;
intercepting inner ear data in a stable operation stage as a research object;
intercepting data of a skylight and a sun-shading curtain reaching a limit, namely the front 0.5s and the back 1s of a sound pressure level peak value as research objects, and taking inner ear data as the research objects;
calculating the loudness, the specific loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; the data at the limit position is used for calculating the loudness, the specific loudness and the sharpness; as an initial objective evaluation parameter.
A sound evaluation design method for a sun-shading curtain system of an automobile skylight specifically comprises the following steps of intercepting according to requirements,
specifically, for a common skylight, intercepting the switching operation sound of the common skylight for 2s, and intercepting the switching operation sound of the sun-shading curtain of the common skylight for 4 s;
and (3) intercepting the opening and closing operation sound of the panoramic sunroof for 4s and intercepting the opening and closing operation sound of the panoramic sunroof sunshade for 8s aiming at the panoramic sunroof.
A sound evaluation design method of a sunroof sunshade screen system of an automobile, the step 3 of subjectively evaluating the sound of the sunroof sunshade screen system in the state of the whole automobile 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 sun-shading curtain to run for three times;
evaluation content: evaluating the sound of the skylight and the sunshade curtain in the stable stage in the running process, and evaluating the sound of the skylight and the sunshade curtain in the limited running process;
the subjective evaluation method adopts 10 points, the minimum unit of the evaluation score is 0.5 point, and the scoring standard is shown in table 2;
in the statistical process, the scores of the sounds of the items to be evaluated in the evaluation group are averaged, and the average is rounded with 0.25 as a reference after calculation, and the final score is recorded as the subjective evaluation S1.
1 minute: performance evaluation: is unacceptable; customer satisfaction: are very unsatisfactory; the improvement needs are as follows: all customers find improvements desirable;
and 2, dividing: performance evaluation: is unacceptable; customer satisfaction: are very unsatisfactory; the improvement needs are as follows: all customers find improvements desirable;
and 3, dividing: performance evaluation: is unacceptable; customer satisfaction: poor in quality; the improvement needs are as follows: all customers find improvements desirable;
and 4, dividing: performance evaluation: is unacceptable; customer satisfaction: poor in quality; the improvement needs are as follows: all customers find improvements desirable;
and 5, dividing: performance evaluation: the lowest acceptance; customer satisfaction degree: slightly unsatisfactory; the improvement needs are as follows: the general customers feel the need for improvement;
6 min: performance evaluation: acceptable; customer satisfaction: the basic satisfaction is achieved; the improvement needs are as follows: a culled customer;
7, dividing: performance evaluation: general acceptance; customer satisfaction: is basically satisfactory; the improvement needs are as follows: a culled customer;
8 min: performance evaluation: good; customer satisfaction: satisfying; the improvement needs are as follows: trained personnel;
9 min: performance evaluation: is very good; customer satisfaction: is very satisfactory; the improvement needs are as follows: are difficult to perceive;
10 min: performance evaluation: the effect is excellent; customer satisfaction: is very satisfactory; the improvement needs are as follows: are difficult to perceive.
In the step 4, correction parameters are calculated according to psychoacoustics, specifically, according to the condition needing to be corrected, namely the open state of the skylight, and according to the definition of psychoacoustic parameters, the definition of two psychoacoustic parameters of loudness and sharpness is related to the sound field environment in the psychoacoustic parameters of loudness, sharpness, roughness, fluctuation, tonality and the like. Therefore, in order to evaluate the sound sample of the open state of the skylight in the car reverberation field, the loudness and sharpness parameters of the sound of the open state of the skylight need to be correspondingly modified; performing data analysis of a reverberation field and a free field on data which are subjectively evaluated by 6.25-7.75 points (all data samples are in the grading range) in the sound samples, and calculating loudness and sharpness values of skylight opening and closing sound data under different sound fields; then, the data difference results of different sound fields are counted, the difference result is divided into three grades according to 0.5 grade, the average value of the difference results is obtained, and the data results are shown in a table 3. Since the normal evaluation environment is the in-vehicle reverberant field, the skylight is opened, i.e., the skylight approaches the semi-free field, and the perceived loudness is reduced at this time. The correction is the difference obtained by subtracting the following subjective score from which parameters measured by the open state of the skylight.
A sound evaluation design method of a sun-shading curtain system of an automobile skylight,
when the subjective evaluation is 6.25-6.75, the loudness difference/sone is 0.8, and the sharpness difference/acuum is 0.14;
when the subjective evaluation is 6.75-7.25, the loudness difference/sone is 0.7, and the sharpness difference/acuum is 0.10;
when the subjective evaluation is 7.25-7.75, the loudness difference/sone is 0.6, and the sharpness difference/acuum is 0.06.
A method for evaluating and designing sound of a sun-shading curtain system of an automobile skylight comprises the following steps of 5, carrying out subjective and objective parameter correlation analysis, specifically, correcting loudness and sharpness data of a reverberation field in all skylight opening states (including partial opening and full opening, and not including an initial lifting stage); that is, the data results before correction are used to subtract the correction values in table 3 according to the subjective score range;
performing relevance analysis on each corrected initial-version objective evaluation parameter and the corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with high relevance to the subjective evaluation score as quasi-objective evaluation parameters;
the regression equation is as follows: -0.094x + 7.69;
reliability judgment is carried out on the relevance of each subjective and objective evaluation, the quasi-objective quantitative evaluation parameters are substituted into a regression equation, objective quantitative results S2 are obtained through calculation, absolute errors are calculated through a formula 1- | S1-S2|/S1 |/100%, and the absolute errors are judged;
if the obtained absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the obtained absolute error is less than or equal to 95%, repeating the correlation analysis of the subjective and objective evaluation parameters.
A sound evaluation design method for a car skylight sunshade curtain system is disclosed
Setting the subjective evaluation target score of the sound of the skylight sunshade curtain system to be not less than 7. The skylight and the sunshade screen operate in sound, and objective evaluation parameters and evaluation targets of the skylight and the sunshade screen when reaching the limiting sound are as follows:
the running sounds of the skylight and the sun-shading curtain are both the same, and the loudness of N5 is less than or equal to 9.0 sone;
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;
the roughness is less than or equal to 0.05 asper;
the skylight reaches the limit sound: the loudness of N5 is less than or equal to 15.0 sone; the loudness of the sunshade curtain reaching limit sound N5 is less than or equal to 12.0 sone;
the specific loudness of all frequency bands is less than or equal to 0.7 tone/Bark;
the sharpness is less than or equal to 2.5 acum.
Table 1 data processing reference table
TABLE 2 Scoring description Table
TABLE 3 Acoustic parameter modification reference
Claims (9)
1. A sound evaluation design method for an automobile skylight sunshade screen system is characterized by comprising the following steps:
step 1: objectively testing the sound of the skylight sunshade curtain system in the state of the whole vehicle;
step 2: based on the test of the step 1, carrying out initial selection of objective evaluation parameters according to psychoacoustics;
and step 3: based on the step 2, primarily selecting a visitor evaluation parameter, and carrying out subjective evaluation on the sound of the skylight sunshade screen system in the whole vehicle state;
and 4, step 4: based on the subjective evaluation in the step 3, calculating a correction parameter according to psychoacoustics;
and 5: based on the parameters corrected in the step 4, carrying out relevance analysis on the subjective and objective parameters;
step 6: and (5) establishing an objective evaluation target system based on the analysis of parameter relevance in the step 5.
2. The method for evaluating and designing the sound of a sun visor system for an automobile skylight according to claim 1, wherein the step 1 of objectively testing the sound of the sun visor system for an automobile in a complete state specifically comprises the steps of,
step 1.1: adjusting the driver seat to the middle point position of each limit position, and placing and fixing the sitting posture of the acoustic artificial head simulator on the driver seat;
step 1.2: operators sit on the main driving seat at the same time;
step 1.3: and operating the skylight sunshade curtain system for running, repeating the operation for three times, and recording the sound of the running process of the system by using the acoustic artificial head.
3. The method for evaluating and designing the sound of a sun visor system for an automobile sunroof, according to claim 1, wherein the step 2 of initially selecting objective evaluation parameters based on psychoacoustics is specifically,
intercepting the sound of the skylight switch operation and the sunshade curtain switch operation recorded in the step 1 according to the requirements;
intercepting inner ear data in a stable operation stage as a research object;
intercepting data of a skylight and a sun-shading curtain reaching a limit, namely the front 0.5s and the back 1s of a sound pressure level peak value as research objects, and taking inner ear data as the research objects;
calculating the loudness, the specific loudness, the roughness, the fluctuation degree and the tone scheduling of the steady operation data; the data at the limit position is used for calculating the loudness, the specific loudness and the sharpness; as an initial objective evaluation parameter.
4. The method for evaluating and designing the sound of the sun visor curtain system for the automobile skylight according to claim 3, wherein the intercepting as required is performed by,
the intercepting according to the requirement specifically comprises intercepting the switching operation sound of a common skylight for 2s and intercepting the switching operation sound of a sun-shading curtain of the common skylight for 4s aiming at the common skylight;
and (3) intercepting the opening and closing operation sound of the panoramic sunroof for 4s and intercepting the opening and closing operation sound of the panoramic sunroof sunshade for 8s aiming at the panoramic sunroof.
5. The method for evaluating and designing the sound of the sun visor system of the automobile skylight according to claim 1, wherein the step 3 of subjectively evaluating the sound of the sun visor system of the automobile skylight specifically comprises,
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 sun-shading curtain to run for three times;
evaluation content: evaluating the sound of the skylight and the sunshade curtain in the stable stage in the running process, and evaluating the sound of the skylight and the sunshade curtain in the limited running process;
the subjective evaluation method adopts 10 points, and the minimum unit of the evaluation score is 0.5 point;
in the statistical process, the scores of the sounds of the items to be evaluated in the evaluation group are averaged, and the average is rounded with 0.25 as a reference after calculation, and the final score is recorded as the subjective evaluation S1.
6. The sound evaluation design method of the sun-shading curtain system of the automobile skylight as claimed in claim 1, wherein the step 4 is to calculate the modification parameters according to the psychoacoustics, specifically, to modify the loudness and sharpness parameters of the sound in the skylight opening state correspondingly; performing data analysis of a reverberation field and a free field on data which are subjectively evaluated by 6.25-7.75 points in a sound sample, and calculating loudness and sharpness values of skylight switch sound data under different sound fields; then, the data difference results of different sound fields are counted, and the difference result average value is obtained by dividing into three grades according to 0.5.
7. The method of claim 6, wherein the sound evaluation design of the sunshade system of the automobile skylight is performed by a computer,
when the subjective evaluation is 6.25-6.75, the loudness difference is 0.8, and the sharpness difference is 0.14;
when the subjective evaluation is 6.75-7.25, the loudness difference is 0.7, and the sharpness difference is 0.10;
when the subjective evaluation is in the range of 7.25-7.75, the loudness difference is 0.6, and the sharpness difference is 0.06.
8. The sound evaluation design method for the sunshade curtain system of the automobile skylight according to the claim 1, characterized in that the step 5 of performing the subjective and objective parameter correlation analysis concretely comprises the steps of correcting loudness and sharpness data of a reverberation field in all skylight opening states;
performing relevance analysis on each corrected initial-version objective evaluation parameter and the corresponding subjective evaluation score, establishing a regression equation S, and screening objective parameters with larger relevance to the subjective evaluation score as quasi-objective evaluation parameters;
reliability judgment is carried out on the relevance of each subjective and objective evaluation, the quasi-objective quantitative evaluation parameters are substituted into a regression equation S, objective quantitative results S2 are obtained through calculation, absolute errors are calculated through a formula 1- | S1-S2|/S1 |/100%, and the absolute errors are judged;
if the obtained absolute error is more than 95%, the quasi-objective quantitative evaluation parameter is the finally determined objective evaluation parameter;
and if the obtained absolute error is less than or equal to 95%, repeating the correlation analysis of the subjective and objective evaluation parameters.
9. The method according to claim 8, wherein the subjective evaluation target score of the sound of the sunroof shade system is set to not less than 7 points; the skylight and the sunshade screen operate in sound, and objective evaluation parameters and evaluation targets of the skylight and the sunshade screen when reaching the limiting sound are as follows:
the running sounds of the skylight and the sun-shading curtain are both equal, and 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 limit sound: the loudness of N5 is less than or equal to 15.0; the loudness of the limit sound N5 reached by the sun-shading curtain is less than or equal to 12.0;
the specific loudness of all frequency bands is less than or equal to 0.7;
the sharpness is less than or equal to 2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210462784.4A CN114802540B (en) | 2022-04-28 | 2022-04-28 | Sound evaluation design method for sunroof sunshade system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210462784.4A CN114802540B (en) | 2022-04-28 | 2022-04-28 | Sound evaluation design method for sunroof sunshade system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114802540A true CN114802540A (en) | 2022-07-29 |
| CN114802540B CN114802540B (en) | 2023-05-02 |
Family
ID=82509614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210462784.4A Active CN114802540B (en) | 2022-04-28 | 2022-04-28 | Sound evaluation design method for sunroof sunshade system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114802540B (en) |
Citations (10)
| 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 |
| CN109435654A (en) * | 2018-08-29 | 2019-03-08 | 苏州盖茨电子科技有限公司 | A kind of vehicle dormer window low-noise structure evaluation method |
| 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 |
| CN111855125A (en) * | 2020-03-31 | 2020-10-30 | 同济大学 | Quantitative evaluation method for automobile door lock closing sound tremor degree |
| 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 |
| CN112277594A (en) * | 2020-10-29 | 2021-01-29 | 广州汽车集团股份有限公司 | Control method and system for sun-shading curtain of vehicle skylight |
| 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 |
| 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 |
-
2022
- 2022-04-28 CN CN202210462784.4A patent/CN114802540B/en active Active
Patent Citations (10)
| 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 |
| CN109435654A (en) * | 2018-08-29 | 2019-03-08 | 苏州盖茨电子科技有限公司 | A kind of vehicle dormer window low-noise structure evaluation method |
| 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 |
| CN111855125A (en) * | 2020-03-31 | 2020-10-30 | 同济大学 | Quantitative evaluation method for automobile door lock closing sound tremor degree |
| 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 |
| CN112277594A (en) * | 2020-10-29 | 2021-01-29 | 广州汽车集团股份有限公司 | Control method and system for sun-shading curtain of vehicle skylight |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114802540B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602004001694T2 (en) | Device for suppressing wind noise | |
| Falk et al. | Single-ended speech quality measurement using machine learning methods | |
| EP2530835B1 (en) | Automatic adjustment of a speed dependent equalizing control system | |
| CN111985788A (en) | Sound quality test and evaluation method for automobile electric device | |
| EP2328363A1 (en) | Sound classification system for hearing aids | |
| CN110261101B (en) | Howling quantitative evaluation method based on orthogonal-pair comparison test and SVR | |
| CN109443792A (en) | A kind of automobile drives at a constant speed the evaluation method of sound quality | |
| CN113763986B (en) | Abnormal sound detection method for air conditioner indoor unit based on sound classification model | |
| Lemaitre et al. | A psychoacoustical study of wind buffeting noise | |
| EP2733700A1 (en) | Method of and apparatus for evaluating intelligibility of a degraded speech signal | |
| CN108920854A (en) | It is a kind of based on wireless interconnected and noise inline diagnosis harmony method for evaluating quality and system of athe portable client | |
| CN113155272A (en) | Method for evaluating and optimizing quality of electric opening and closing sound of automobile tail gate | |
| CN106663450A (en) | Method of and apparatus for evaluating quality of a degraded speech signal | |
| GB2522094A (en) | Audio distortion compensation method and acoustic channel estimation method for use with same | |
| CN114802540A (en) | Sound evaluation design method for automobile skylight sunshade curtain system | |
| EP2572356B1 (en) | Method and arrangement for processing of speech quality estimate | |
| Minard et al. | Perceptual evaluation of the sound quality of car HVAC systems | |
| Samardzic et al. | In-vehicle speech intelligibility for different driving conditions using the Speech Transmission Index | |
| Blommer et al. | Sound quality metric development for wind buffeting and gusting noise | |
| CN111798109B (en) | Material friction abnormal sound matching method | |
| CN109600697A (en) | The outer playback matter of terminal determines method and device | |
| Cho et al. | Quality evaluation of car window motors using sound quality metrics | |
| Hohls et al. | Psychoacoustic analysis of HVAC noise with equal loudness | |
| CN115307721A (en) | Method, device and equipment for evaluating quality of automobile acceleration sound and storage medium | |
| Sottek et al. | Sound quality evaluation of fan noise based on advanced hearing-related parameters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |