CN117990378A - Engine sound quality evaluation method and device, electronic equipment and storage medium - Google Patents
Engine sound quality evaluation method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The invention discloses an engine sound quality evaluation method, an engine sound quality evaluation device, electronic equipment and a storage medium. The method for evaluating the sound quality of the engine comprises the following steps: determining a modulation rate, a modulation frequency and loudness corresponding to the historical engine noise signal according to the historical engine noise signal; respectively determining a first weight coefficient of a corresponding modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient; and acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into an acoustic quality parameter equation, and determining whether the engine noise signal to be evaluated has modulation risk. The invention realizes multidimensional evaluation of engine noise, builds the acoustic quality parameter model, and has high reliability and good robustness.
Description
Technical Field
The present invention relates to the field of engine technologies, and in particular, to a method and apparatus for evaluating sound quality of an engine, an electronic device, and a storage medium.
Background
As national and industry regulations have increased in stringent vehicle noise requirements, users have also increased in vehicle noise level and sound quality requirements, and research in engine noise sound quality has become an important area in engine NVH (Noise, vibration, harshness) performance research. For modulation noise generated by engine parts, such as modulation noise generated by fluid-solid coupling of an oil pan, and the like, the influence on subjective feeling of people is large, and conventional sound pressure level and psychoacoustic parameters such as single evaluation dimensions of loudness, sharpness, roughness and the like are insufficient for comprehensive and accurate evaluation.
Disclosure of Invention
The invention provides an engine sound quality evaluation method, an engine sound quality evaluation device, electronic equipment and a storage medium, and aims to solve the problem that the adoption of a single evaluation dimension for engine noise is insufficient for comprehensive and accurate evaluation at present.
According to an aspect of the present invention, there is provided an engine sound quality evaluation method including:
according to the historical engine noise signals, and according to the historical engine noise signals, determining a modulation rate, a modulation frequency and loudness corresponding to the historical engine noise signals;
Determining a first weight coefficient of the modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient;
and acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation, and determining whether the engine noise signal to be evaluated has modulation risk.
Optionally, the determining the modulation rate corresponding to the historical engine noise signal according to the historical engine noise signal includes:
and determining a modulation rate corresponding to the historical engine noise signal according to the amplitude of the historical engine noise signal.
Optionally, the constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient, and the third weight coefficient includes:
the sound quality parameter equation is constructed according to the following formula, specifically:
；
Wherein, The degree of modulation for the acoustic quality; p1 is the modulation rate; p2 is the modulation frequency; p3 is the loudness; /(I)Is the first weight coefficient; /(I)Is the second weight coefficient; /(I)Is the third weight coefficient; i is the sequence number of the historical engine noise signal.
Optionally, the substituting the engine noise signal to be evaluated into the acoustic quality parameter equation, and determining whether the engine noise signal to be evaluated has a modulation risk includes:
Substituting the engine noise signal to be evaluated into the sound quality parameter equation to obtain the current sound quality modulation degree, and determining whether the engine noise signal to be evaluated has modulation risk according to the current sound quality modulation degree.
Optionally, the determining whether the modulation risk exists in the engine noise signal to be evaluated according to the current sound quality modulation degree includes:
If the current sound quality modulation degree is larger than a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated has modulation risk;
And if the current sound quality modulation degree is smaller than or equal to a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated does not have modulation risk.
Optionally, the method for evaluating the sound quality of the engine further comprises:
And after determining that the noise signal of the engine to be evaluated has modulation risk, optimizing the sound quality parameter equation according to the noise signal of the engine to be evaluated.
According to another aspect of the present invention, there is provided an engine sound quality evaluation device including:
The information determining module is used for executing the noise signal according to the historical engine and determining the modulation rate, the modulation frequency and the loudness corresponding to the noise signal according to the noise signal of the historical engine;
An equation construction module for executing a first weight coefficient, a second weight coefficient and a third weight coefficient of the corresponding modulation rate, the modulation frequency and the loudness respectively determined according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient;
And the sound quality evaluation module is used for acquiring the engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation and determining whether the engine noise signal to be evaluated has modulation risk.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the engine sound quality assessment method according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to execute the engine sound quality evaluation method according to any one of the embodiments of the present invention.
According to the technical scheme, the modulation rate, the modulation frequency and the loudness corresponding to the historical engine noise signal are determined according to the historical engine noise signal; determining a first weight coefficient of the modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient; and acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation, and determining whether the engine noise signal to be evaluated has modulation risk. The method solves the problem that the single evaluation dimension is insufficient for comprehensively and accurately evaluating the engine noise at present, realizes multi-dimensional evaluation of the engine noise, builds the acoustic quality parameter model, and has high reliability and good robustness.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for evaluating engine sound quality according to a first embodiment of the present invention;
fig. 2 is a flowchart of an engine sound quality evaluation method according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of modulation rate determination according to a second embodiment of the present invention;
fig. 4 is a schematic structural view of an engine sound quality evaluation device according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device implementing the engine sound quality evaluation method according to the embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of an engine sound quality evaluation method according to an embodiment of the present invention, which is applicable to a case of performing multi-dimensional evaluation on engine modulation breakfast sound quality, and the engine sound quality evaluation method may be performed by an engine sound quality evaluation device, which may be implemented in hardware and/or software, and the engine sound quality evaluation device may be configured in an electronic apparatus for evaluating engine noise sound quality. As shown in fig. 1, the engine sound quality evaluation method includes:
s110, according to the historical engine noise signals, and according to the historical engine noise signals, the modulation rate, the modulation frequency and the loudness corresponding to the historical engine noise signals are determined.
The historical engine noise signals are noise signals collected in the engine running process, the historical engine noise signals can be understood to be signals collected within a certain time period, and it can be understood that modulation and beating possibly exist in the engine running process, so that the quality of the whole engine is affected.
In the application, the existing signal processing method is adopted to process the noise signal of the historical engine, and the modulation rate, the modulation frequency and the loudness corresponding to the noise signal of the historical engine are obtained.
Modulation refers to the process of varying certain characteristics of one waveform by another waveform or signal. The modulation rate is the amplitude which changes according to the change rule of the required transmission signal, the frequency modulation frequency is the carrier instantaneous frequency which changes according to the change rule of the required transmission signal, and the loudness is the sound intensity of the sense judgment, namely the sound intensity.
It will be appreciated that the modulation rate, modulation frequency and loudness may be calculated using prior art techniques, and the present embodiment is not limited to any particular calculation method.
S120, respectively determining a first weight coefficient of the corresponding modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient.
On the basis, the modulation frequency is expressed as different modulation amplitudes, subjective perception of modulation is different, variables such as modulation frequency and the like are controlled, and then the modulation frequency weight, namely a first weight coefficient, is obtained according to the relation between the subjective and the modulation amplitudes.
Because the human ears have different sound perceptions of different frequencies, based on Bark domain, the weights of different modulation frequencies, namely the second weight coefficients, are determined according to subjective evaluations of different frequencies.
The evaluation of the sound of the human ear is different, and the weights of different loudness, namely the third weight coefficient, are determined according to the relation between subjective evaluation and loudness.
According to the application, the corresponding weight coefficients can be respectively inquired through the modulation rate, the modulation frequency and the dividing table of the corresponding weight coefficients of the loudness, so that the corresponding first weight coefficient of the modulation rate, the corresponding second weight coefficient of the modulation frequency and the corresponding third weight coefficient of the loudness are obtained.
Further, an acoustic quality parameter equation is constructed according to the following formula, specifically:
；
Wherein, The degree of modulation for the acoustic quality; p1 is the modulation rate; p2 is the modulation frequency; p3 is the loudness; /(I)Is the first weight coefficient; /(I)Is the second weight coefficient; /(I)Is the third weight coefficient; i is the sequence number of the historical engine noise signal.
It can be known that the sequence number of the historical engine noise signal indicates what section of the historical engine noise signal, and in order to ensure universality of the sound quality parameter equation construction, multiple sections of the historical engine noise signal can be selected to participate in the sound quality parameter equation construction process.
S130, acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation, and determining whether modulation risk exists in the engine noise signal to be evaluated.
The noise signals of the engine to be evaluated are noise signals collected in real time in the running process of the engine, the noise signals of the engine to be evaluated can be understood as signals collected within a certain time length, and multiple sections of noise signals of the engine to be evaluated can be collected in the running process of the engine.
The noise signal of the engine to be evaluated is obtained by collecting modulated noise of the engine in real time under subjective condition.
On the basis of the embodiment, after determining that the noise signal of the engine to be evaluated has modulation risk, performing sound quality modulation parameter processing on the noise signal of the engine to be evaluated, performing risk evaluation after weighting processing according to modulation rate, modulation frequency and loudness, obtaining that the noise signal of the engine to be evaluated has modulation risk, further, performing problem analysis and optimization on the noise signal of the engine to be evaluated with risk, and optimizing the sound quality parameter equation through the noise signal of the engine to be evaluated, thereby finally meeting the development requirement of sound quality of the engine.
It can be known that in the practical application process of the scheme of the invention, the most accurate sound quality parameter equation is obtained by repeatedly adjusting the type of the objective parameter input by the sound quality parameter equation according to the correction weight coefficient of the noise signal feedback of the practical engine and the like and eliminating the parameters with smaller influence.
According to the technical scheme, the modulation rate, the modulation frequency and the loudness corresponding to the historical engine noise signal are determined according to the historical engine noise signal; determining a first weight coefficient of the modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient; and acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation, and determining whether the engine noise signal to be evaluated has modulation risk. The method solves the problem that the single evaluation dimension is insufficient for comprehensively and accurately evaluating the engine noise at present, realizes multi-dimensional evaluation of the engine noise, builds the acoustic quality parameter model, and has high reliability and good robustness.
Example two
Fig. 2 is a flowchart of an engine sound quality evaluation method according to a second embodiment of the present invention, and this embodiment provides an alternative implementation manner for determining whether there is a modulation risk in the engine noise signal to be evaluated based on the foregoing embodiment. As shown in fig. 2, the engine sound quality evaluation method includes:
S210, according to the historical engine noise signals, and according to the historical engine noise signals, the modulation rate, the modulation frequency and the loudness corresponding to the historical engine noise signals are determined.
As shown in fig. 3, the modulation rate corresponding to the historical engine noise signal is determined by the historical engine noise signal, specifically:
Wherein P1 is the modulation rate; a and b are determined from the magnitudes of the historical engine noise signal, i.e., the maximum and minimum magnitudes, which are related to a particular historical engine noise signal.
S220, respectively determining a first weight coefficient of the corresponding modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient.
Specifically, through the following tables 1,2 and 3, different modulation rates, modulation frequencies and loudness correspond to different weight coefficients, that is, a first weight coefficient of the corresponding modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness are determined.
TABLE 1 dividing the modulation rate from the first weight coefficient
TABLE 2 dividing the modulation frequency from the second weight coefficient
TABLE 3 dividing loudness from third weight coefficient
Further, according to the objective sound quality parameters and the corresponding weights, an objective evaluation equation of sound quality modulation, namely a sound quality parameter equation, is fitted by combining the subjective evaluation scores, and the modulation degree is determined according to the subjective acceptance degree.
Specifically, an acoustic quality parameter equation is constructed according to the following formula:
；
Wherein, The degree of modulation for the acoustic quality; p1 is the modulation rate; p2 is the modulation frequency; p3 is the loudness; /(I)Is the first weight coefficient; /(I)Is the second weight coefficient; /(I)Is the third weight coefficient; i is the sequence number of the historical engine noise signal.
S230, acquiring an engine noise signal to be evaluated, and substituting the engine noise signal to be evaluated into the sound quality parameter equation to obtain the current sound quality modulation degree.
S240, judging whether the current sound quality modulation degree is larger than a set sound quality modulation degree threshold, if so, executing step S250, and if not, executing step S260.
The threshold value of the modulation degree of the sound quality can be set by a person skilled in the art according to the actual modulation degree, and the embodiment is not limited in any way.
S250, determining that modulation risk exists in the engine noise signal to be evaluated.
And S260, determining that the noise signal of the engine to be evaluated does not have modulation risk.
According to the technical scheme, the sound quality parameter equation of the modulation rate, the modulation frequency and the loudness is constructed based on the sound quality modulation parameter and subjective evaluation, namely by combining the modulation rate, the modulation frequency and the loudness with the corresponding weight coefficients of subjective judgment, and then the engine modulation noise level is evaluated through the sound quality parameter equation, so that the reliability of the sound quality parameter equation is high, and the robustness is good.
Example III
Fig. 4 is a schematic structural diagram of an engine sound quality evaluation device according to a third embodiment of the present invention. As shown in fig. 4, the engine sound quality evaluation device includes:
An information determining module 310, configured to perform determining, according to a historical engine noise signal, a modulation rate, a modulation frequency, and a loudness corresponding to the historical engine noise signal;
An equation construction module 320, configured to determine a first weight coefficient of the modulation rate, a second weight coefficient of the modulation frequency, and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency, and the loudness, and construct an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient, and the third weight coefficient;
the acoustic quality evaluation module 330 is configured to perform acquiring an engine noise signal to be evaluated, and substituting the engine noise signal to be evaluated into the acoustic quality parameter equation to determine whether there is a modulation risk of the engine noise signal to be evaluated.
Optionally, the determining a modulation rate corresponding to the historical engine noise signal according to the historical engine noise signal is specifically used for:
and determining a modulation rate corresponding to the historical engine noise signal according to the amplitude of the historical engine noise signal.
Optionally, the constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient, and the third weight coefficient is specifically configured to:
the sound quality parameter equation is constructed according to the following formula, specifically:
；
Wherein, The degree of modulation for the acoustic quality; p1 is the modulation rate; p2 is the modulation frequency; p3 is the loudness; /(I)Is the first weight coefficient; /(I)Is the second weight coefficient; /(I)Is the third weight coefficient; i is the sequence number of the historical engine noise signal.
Optionally, the substituting the engine noise signal to be evaluated into the acoustic quality parameter equation determines whether the engine noise signal to be evaluated has a modulation risk, which is specifically configured to:
Substituting the engine noise signal to be evaluated into the sound quality parameter equation to obtain the current sound quality modulation degree, and determining whether the engine noise signal to be evaluated has modulation risk according to the current sound quality modulation degree.
Optionally, the determining whether the noise signal of the engine to be evaluated has a modulation risk according to the current sound quality modulation degree is specifically configured to:
If the current sound quality modulation degree is larger than a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated has modulation risk;
And if the current sound quality modulation degree is smaller than or equal to a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated does not have modulation risk.
Optionally, the engine sound quality evaluation device further includes:
and the model optimization model is used for executing the optimization of the sound quality parameter equation according to the engine noise signal to be evaluated after determining that the engine noise signal to be evaluated has modulation risk.
The engine sound quality evaluation device provided by the embodiment of the invention can execute the engine sound quality evaluation method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the engine sound quality evaluation method.
Example IV
Fig. 5 shows a schematic diagram of an electronic device 410 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 5, the electronic device 410 includes at least one processor 411, and a memory communicatively connected to the at least one processor 411, such as a read-only memory (ROM 412), a random access memory (RAM 413), etc., wherein the memory stores computer programs executable by the at least one processor, and the processor 411 may perform various suitable actions and processes according to the computer programs stored in the read-only memory (ROM 412) or the computer programs loaded from the storage unit 418 into the random access memory (RAM 413). In the RAM 413, various programs and data required for the operation of the electronic device 410 may also be stored. The processor 411, the ROM 412, and the RAM 413 are connected to each other through a bus 414. An I/O (input/output) interface 415 is also connected to bus 414.
Various components in the electronic device 410 are connected to the I/O interface 415, including: an input unit 416 such as a keyboard, a mouse, etc.; an output unit 417 such as various types of displays, speakers, and the like; a storage unit 418, such as a magnetic disk, optical disk, or the like; and a communication unit 419 such as a network card, modem, wireless communication transceiver, etc. The communication unit 419 allows the electronic device 410 to exchange information/data with other devices through a computer network such as the internet and/or various telecommunication networks.
The processor 411 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 411 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 411 performs the various methods and processes described above, such as the engine sound quality evaluation method.
In some embodiments, the engine sound quality evaluation method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 418. In some embodiments, some or all of the computer program may be loaded and/or installed onto the electronic device 410 via the ROM 412 and/or the communication unit 419. When the computer program is loaded into RAM 413 and executed by processor 411, one or more steps of the engine sound quality evaluation method described above may be performed. Alternatively, in other embodiments, the processor 411 may be configured to perform the engine sound quality evaluation method in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. An engine sound quality evaluation method, comprising:
according to the historical engine noise signals, and according to the historical engine noise signals, determining a modulation rate, a modulation frequency and loudness corresponding to the historical engine noise signals;
Determining a first weight coefficient of the modulation rate, a second weight coefficient of the modulation frequency and a third weight coefficient of the loudness according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient;
and acquiring an engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation, and determining whether the engine noise signal to be evaluated has modulation risk.
2. The engine sound quality evaluation method according to claim 1, wherein the determining a modulation rate corresponding thereto from the historical engine noise signal includes:
and determining a modulation rate corresponding to the historical engine noise signal according to the amplitude of the historical engine noise signal.
3. The engine sound quality evaluation method according to claim 1, wherein the constructing an acoustic quality parameter equation from the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient, and the third weight coefficient includes:
the sound quality parameter equation is constructed according to the following formula, specifically:
；
Wherein, The degree of modulation for the acoustic quality; p1 is the modulation rate; p2 is the modulation frequency; p3 is the loudness; /(I)Is the first weight coefficient; /(I)Is the second weight coefficient; /(I)Is the third weight coefficient; i is the sequence number of the historical engine noise signal.
4. The engine sound quality evaluation method according to claim 1, wherein said substituting the engine noise signal to be evaluated into the sound quality parameter equation, determining whether there is a modulation risk of the engine noise signal to be evaluated, comprises:
Substituting the engine noise signal to be evaluated into the sound quality parameter equation to obtain the current sound quality modulation degree, and determining whether the engine noise signal to be evaluated has modulation risk according to the current sound quality modulation degree.
5. The engine sound quality evaluation method according to claim 4, wherein the determining whether the engine noise signal to be evaluated has a modulation risk according to the current sound quality modulation degree includes:
If the current sound quality modulation degree is larger than a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated has modulation risk;
And if the current sound quality modulation degree is smaller than or equal to a set sound quality modulation degree threshold value, determining that the noise signal of the engine to be evaluated does not have modulation risk.
6. The engine sound quality evaluation method according to claim 1, characterized in that the engine sound quality evaluation method further comprises:
And after determining that the noise signal of the engine to be evaluated has modulation risk, optimizing the sound quality parameter equation according to the noise signal of the engine to be evaluated.
7. An engine sound quality evaluation device, comprising:
The information determining module is used for executing the noise signal according to the historical engine and determining the modulation rate, the modulation frequency and the loudness corresponding to the noise signal according to the noise signal of the historical engine;
An equation construction module for executing a first weight coefficient, a second weight coefficient and a third weight coefficient of the corresponding modulation rate, the modulation frequency and the loudness respectively determined according to the modulation rate, the modulation frequency and the loudness, and constructing an acoustic quality parameter equation according to the modulation rate, the modulation frequency, the loudness, the first weight coefficient, the second weight coefficient and the third weight coefficient;
And the sound quality evaluation module is used for acquiring the engine noise signal to be evaluated, substituting the engine noise signal to be evaluated into the sound quality parameter equation and determining whether the engine noise signal to be evaluated has modulation risk.
8. The engine sound quality evaluation device according to claim 7, wherein the determining of the modulation rate corresponding thereto from the historical engine noise signal is specifically for: and determining a modulation rate corresponding to the historical engine noise signal according to the amplitude of the historical engine noise signal.
9. An electronic device, the electronic device comprising:
at least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the engine sound quality evaluation method of any one of claims 1-6.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the engine sound quality evaluation method of any one of claims 1-6.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012159443A (en) * | 2011-02-01 | 2012-08-23 | Ryukoku Univ | Tone quality evaluation system and tone quality evaluation method |
| CN105021275A (en) * | 2015-07-15 | 2015-11-04 | 吉林大学 | Time domain dynamic characteristic analysis-based intra-vehicle sound quality prediction method |
| CN106933146A (en) * | 2017-03-14 | 2017-07-07 | 吉林大学 | Electrocar pedestrian's caution sound method for designing, caution sound control system and method |
| CN109141623A (en) * | 2018-08-14 | 2019-01-04 | 中车青岛四方机车车辆股份有限公司 | A kind of evaluation method and device of train in-vehicle sound quality |
| EP3667659A1 (en) * | 2018-12-13 | 2020-06-17 | Hyundai Motor Company | System and method for controlling engine tone by artificial intelligence based on sound index of vehicle |
| CN115017974A (en) * | 2022-05-10 | 2022-09-06 | 武汉理工大学 | Sound quality self-shaping design method and system integrating sound quality evaluation |
| CN115077690A (en) * | 2022-06-27 | 2022-09-20 | 重庆长安汽车股份有限公司 | Method for evaluating periodic pulsation noise of internal combustion engine |
| KR20230086956A (en) * | 2021-12-09 | 2023-06-16 | 주식회사 삼우에이엔씨 | Method and computer program for evaluating aircraft noise level |
| CN117688515A (en) * | 2024-02-04 | 2024-03-12 | 潍柴动力股份有限公司 | Sound quality evaluation method and device for air compressor, storage medium and electronic equipment |
| CN117705453A (en) * | 2024-02-05 | 2024-03-15 | 潍柴动力股份有限公司 | Engine sound quality evaluation method and device |
-
2024
- 2024-04-07 CN CN202410404719.5A patent/CN117990378B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012159443A (en) * | 2011-02-01 | 2012-08-23 | Ryukoku Univ | Tone quality evaluation system and tone quality evaluation method |
| CN105021275A (en) * | 2015-07-15 | 2015-11-04 | 吉林大学 | Time domain dynamic characteristic analysis-based intra-vehicle sound quality prediction method |
| CN106933146A (en) * | 2017-03-14 | 2017-07-07 | 吉林大学 | Electrocar pedestrian's caution sound method for designing, caution sound control system and method |
| CN109141623A (en) * | 2018-08-14 | 2019-01-04 | 中车青岛四方机车车辆股份有限公司 | A kind of evaluation method and device of train in-vehicle sound quality |
| EP3667659A1 (en) * | 2018-12-13 | 2020-06-17 | Hyundai Motor Company | System and method for controlling engine tone by artificial intelligence based on sound index of vehicle |
| KR20230086956A (en) * | 2021-12-09 | 2023-06-16 | 주식회사 삼우에이엔씨 | Method and computer program for evaluating aircraft noise level |
| CN115017974A (en) * | 2022-05-10 | 2022-09-06 | 武汉理工大学 | Sound quality self-shaping design method and system integrating sound quality evaluation |
| CN115077690A (en) * | 2022-06-27 | 2022-09-20 | 重庆长安汽车股份有限公司 | Method for evaluating periodic pulsation noise of internal combustion engine |
| CN117688515A (en) * | 2024-02-04 | 2024-03-12 | 潍柴动力股份有限公司 | Sound quality evaluation method and device for air compressor, storage medium and electronic equipment |
| CN117705453A (en) * | 2024-02-05 | 2024-03-15 | 潍柴动力股份有限公司 | Engine sound quality evaluation method and device |
Non-Patent Citations (2)
| Title |
|---|
| YUAN FANG: "Sound Quality Investigation and Improvement of an Electric Powertrain for Electric Vehicles", 《IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS》, vol. 65, no. 2, 28 February 2018 (2018-02-28), pages 1149 - 1157 * |
| 张广秀 等: "乘用车车内声品质客观评价特征提取方法研究", 《汽车技术》, no. 5, 31 May 2022 (2022-05-31), pages 11 - 15 * |
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