CN112036024A - Building acoustic processing method and device, electronic equipment and storage medium - Google Patents
Building acoustic processing method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the invention discloses a building acoustic processing method and device, electronic equipment and a storage medium. The method comprises the following steps: building a building model according to actual scene information of a target building and establishing a simulated sound field in the building model; acquiring actual acoustic parameters acquired by pickup equipment in the target building; and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building. By operating the technical scheme provided by the embodiment of the invention, the problems that the processing result generates deviation and consumes a large amount of time and manpower due to the fact that the acoustic parameters are obtained through drawing modeling and simulation can be solved, and the effect of improving the accuracy and the efficiency of the acoustic processing of the building is realized.
Description
Technical Field
The embodiment of the invention relates to computer technology, in particular to a building acoustic processing method and device, electronic equipment and a storage medium.
Background
With the development of computer technology, the requirements for sound quality in buildings are higher and higher, so acoustic processing needs to be performed on buildings, and acquired relevant data is analyzed to improve the sound quality.
At present, building acoustic processing mainly takes simulation calculation as a main part, and the specific process is that a laser scanner is adopted to carry out three-dimensional scanning on a target building, and then three-dimensional reconstruction algorithm is utilized to repair three-dimensional scanning point cloud data so as to obtain a target building three-dimensional model; various building acoustic parameters are obtained through simulation calculation by setting a sound source point and a sound receiving point in the model so as to adjust the sound field in the building in the following process. However, the acoustic parameters are obtained by modeling and simulation according to the drawing, which easily causes deviation of processing results and consumes a great deal of time and labor.
Disclosure of Invention
The embodiment of the invention provides a building acoustic processing method and device, electronic equipment and a storage medium, and aims to achieve the effect of improving the accuracy and efficiency of building acoustic processing.
In a first aspect, an embodiment of the present invention provides a building acoustic processing method, which is characterized by including:
building a building model according to actual scene information of a target building and establishing a simulated sound field in the building model;
acquiring actual acoustic parameters acquired by pickup equipment in the target building;
and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building.
In a second aspect, an embodiment of the present invention further provides a building acoustic processing apparatus, where the apparatus includes:
the sound field establishing module is used for establishing a building model according to the actual scene information of the target building and establishing a simulated sound field in the building model;
the parameter acquisition module is used for acquiring actual acoustic parameters acquired by pickup equipment in the target building;
and the sound field information determining module is used for determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model and adjusting the actual sound field of the target building.
In a third aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the architectural acoustic treatment method as described above.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the building acoustic processing method as described above.
According to the embodiment of the invention, a building model is constructed according to the actual scene information of a target building, and a simulated sound field is established in the building model; acquiring actual acoustic parameters acquired by pickup equipment in a target building; and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building. The method solves the problems that the processing result generates deviation and consumes a large amount of time and manpower due to the fact that acoustic parameters are obtained through drawing modeling and simulation, and achieves the effect of improving accuracy and efficiency of building acoustic processing.
Drawings
Fig. 1 is a flowchart of a building acoustic processing method according to an embodiment of the present invention;
fig. 2 is a flowchart of a building acoustic processing method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a building acoustic processing apparatus according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a building acoustic processing method according to an embodiment of the present invention, where the method is applicable to adjusting an actual sound field condition of a target building, and the method can be executed by a building acoustic processing apparatus according to an embodiment of the present invention, where the apparatus can be implemented by software and/or hardware. Referring to fig. 1, the acoustic treatment method for a building provided in this embodiment includes:
and step 110, building a building model according to the actual scene information of the target building and establishing a simulated sound field in the building model.
The building model can be constructed by scanning actual scenes contained in the target building in modes of laser radar and the like, and can be updated in real time according to changes of the scenes in the target building.
And constructing a simulated sound field in the building model according to the sound source, the sound pickup area and the environmental parameters in the actual scene, wherein the simulated sound field comprises the simulated sound source, the simulated sound pickup area and the simulated environmental parameters. The sound source can comprise sound production equipment such as a sound box and a musical instrument, and the specific position of a simulated sound source point in the building model can be acquired through the anchor point so as to simulate the sound source point in the target building into the building model; the sound pickup area is a sound collection range acquired by sound pickup equipment such as a sound pickup, and the size and the direction of the sound pickup area can be controlled by setting the sound pickup so as to simulate the listening area of audiences; the environmental parameters are parameters of the building itself, such as the building site, the sound structure, etc.
When the constructed simulated sound field comprises the simulated sound absorption material, sound wave transmission and reflection can be simulated through a ray tracing algorithm, so that the sound absorption property of the simulated sound absorption material is simulated.
And step 120, acquiring actual acoustic parameters collected by pickup equipment in the target building.
The actual acoustic parameters are acoustic parameters acquired by sound pickup equipment in a target building, such as reverberation time and the like. The adapter equipment can be the thing allies oneself with the adapter equipment, when the adapter equipment acquireed actual acoustic parameter promptly, with in real-time synchronization of actual acoustic parameter to the building model to improve the efficiency of acoustic treatment.
And step 130, based on the building model, determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters, wherein the actual sound field information is used for adjusting the actual sound field of the target building.
And in the building model, judging whether the actual acoustic parameters meet requirements or not based on the simulated sound field and the obtained actual acoustic parameters, and if not, determining the actual sound field information expected by the target building to be achieved through calculation so as to adjust the actual sound field of the target building. And the actual sound field information is the parameters of the part needing to be adjusted in the actual sound field.
In this embodiment, optionally, the actual acoustic parameter includes at least one of the following: reverberation time and noise suppression parameters, wherein the corresponding actual sound field information is the actual parameters of the sound absorption material in the target building; and/or the presence of a gas in the gas,
the actual acoustic parameters include at least one of: and audio signal waveforms and howling frequency points, wherein the corresponding actual sound field information is the actual parameters of the sound source in the target building.
Based on the reverberation time, the noise suppression parameter and the simulated sound field, judging whether the reverberation time is between 1.6S and 2.5S, whether the N value of the noise suppression parameter is between 15 and 25 and whether the noise loudness is between 30dB (A) and 40Db (A) according to different places and different sound construction structures, calculating in a building model when all conditions are not met, determining the expected actual parameter of the sound absorption material, such as the material of the sound absorption material and the like, and adjusting the sound absorption material to enable the actual parameter of the sound absorption material to reach the expected actual parameter so as to enable the reverberation time and the noise suppression parameter to meet the requirements.
And judging whether the audio signal generates conditions such as waveform overflow or not based on the audio signal waveform and the simulated sound field, if so, calculating in a building model, determining actual parameters expected by the sound source, such as the fact that the audio signal waveform reaches a normal shape, and eliminating the waveform overflow phenomenon by adjusting the sound source.
Based on the howling frequency point and a simulated sound field, judging whether audio howling is generated in the sound pickup process, if so, calculating in a building model, determining actual parameters expected by a sound source, for example, acquiring the howling frequency point, and adjusting the sound source to eliminate the howling frequency point.
According to the technical scheme provided by the embodiment, a building model is constructed according to the actual scene information of a target building, and a simulated sound field is established in the building model; acquiring actual acoustic parameters acquired by pickup equipment in a target building; and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building. The method solves the problems that the processing result generates deviation and consumes a large amount of time and manpower due to the fact that acoustic parameters are obtained through drawing modeling and simulation, and achieves the effect of improving accuracy and efficiency of building acoustic processing.
Example two
Fig. 2 is a flowchart of a building acoustic processing method according to a second embodiment of the present invention, and this technical solution is supplementary explained with respect to a building acoustic processing process. Compared with the above scheme, the present scheme is specifically optimized in that the determining, based on the building model, actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters includes:
and if the actual acoustic parameters are not consistent with the expected acoustic parameters, determining the actual sound field information expected by the target building according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model.
Specifically, a flow chart of the building acoustic processing method is shown in fig. 2:
And step 220, acquiring actual acoustic parameters collected by pickup equipment in the target building.
And 230, if the actual acoustic parameters are not consistent with the expected acoustic parameters, determining the actual sound field information expected by the target building according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model, and using the actual sound field information to adjust the actual sound field of the target building.
The desired acoustic parameter is a requirement that an actual acoustic parameter needs to meet, for example, the actual acoustic parameter is a reverberation time, and the reverberation time is the desired acoustic parameter within 1.6S-2.5S. If the actual acoustic parameters need to reach the desired acoustic parameters, adjustments need to be made to the actual sound field information. And simulating and calculating an adjustment mode of an actual sound field in the building model, wherein the actual sound field information expected to be obtained after simulation adjustment is expected to be expected actual sound field information. And adjusting the actual sound field of the target building according to the expected actual sound field information.
In this embodiment, optionally, after determining the actual sound field information expected by the target building, the method further includes:
and sending actual sound field information expected by the target building to a first controller, so that the first controller adjusts the sound absorption material in the target building according to the expected actual sound field information.
The first controller is used for adjusting the sound absorption material, the sound absorption material can be an ornament on the middle wall of a target building, and then the sound absorption material can be adjusted to adjust the angle of the ornament. The first controller may be connected to the sound-absorbing material by wire or wirelessly, which is not limited by the embodiment.
And adjusting the sound absorption material according to the expected actual sound field information, for example, adjusting the position of the sound absorption material to the expected position. By combining sound field simulation with real equipment, the sound absorption material is adjusted in time, so that the optimal sound absorption effect is achieved, and the building acoustic treatment efficiency is improved.
Optionally, after the sound absorbing material is adjusted, actual acoustic parameters can be collected through pickup equipment and analyzed until the actual acoustic parameters meet the expected acoustic parameters. So as to adjust the deviation possibly brought in the simulation calculation in time and improve the accuracy of the acoustic treatment of the building.
In this embodiment, optionally, after determining the actual sound field information expected by the target building, the method further includes:
and sending actual sound field information expected by the target building to a second controller, so that the second controller adjusts the sound source in the target building according to the expected actual sound field information.
The second controller is used to adjust the sound source, and may be a digital audio processor connected to the sound source, and the connection mode may be wired or wireless, which is not limited in this embodiment.
Illustratively, when the waveform overflow of the audio signal occurs in the digital processor, the gain of the audio waveform can be adjusted by controlling the audio processing chip of the digital audio processor. The target waveform can also be offset by transferring the regional reverse sound to output the reverse sound wave.
When audio howling is generated in the sound pickup process, the electroacoustic coefficient can be adjusted by controlling the digital audio processor, so that the howling frequency point can be adjusted and eliminated. By combining sound field simulation with real equipment, the sound source is adjusted in time so as to achieve the optimal sound transmission effect of the sound source.
Optionally, after the sound source is adjusted, actual acoustic parameters can be collected through pickup equipment and analyzed until the actual acoustic parameters meet the expected acoustic parameters. The method has the advantages that the deviation possibly brought in the simulation calculation is adjusted in time, the accuracy of building acoustic treatment is improved, the method can be applied to the field of tuning, the effect of real-time tuning is achieved, and the building acoustic treatment efficiency is improved.
According to the technical scheme provided by the embodiment, when the actual acoustic parameters are not consistent with the expected acoustic parameters, the actual sound field information expected by the target building is determined according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model and is used for adjusting the actual sound field of the target building, and the adjustment mode of the actual sound field is acquired in the building model, so that the actual sound field of the target building is directly adjusted, and the processing efficiency of building acoustics is improved.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a building acoustic processing apparatus according to a third embodiment of the present invention. The device can be realized in a hardware and/or software mode, can execute the building acoustic processing method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method. As shown in fig. 3, the apparatus includes:
the sound field establishing module 310 is configured to construct a building model according to actual scene information of a target building and establish a simulated sound field in the building model;
a parameter obtaining module 320, configured to obtain actual acoustic parameters collected by a pickup device in the target building;
a sound field information determining module 330, configured to determine, based on the building model, actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters, and to adjust an actual sound field of the target building.
According to the embodiment of the invention, a building model is constructed according to the actual scene information of a target building, and a simulated sound field is established in the building model; acquiring actual acoustic parameters acquired by pickup equipment in a target building; and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building. The method solves the problems that the processing result generates deviation and consumes a large amount of time and manpower due to the fact that acoustic parameters are obtained through drawing modeling and simulation, and achieves the effect of improving accuracy and efficiency of building acoustic processing.
On the basis of the foregoing technical solutions, optionally, the sound field information determining module 330 includes:
and the sound field information determining unit is used for determining actual sound field information expected by the target building according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model if the actual acoustic parameters are not consistent with the expected acoustic parameters.
On the basis of the above technical solutions, optionally, the actual acoustic parameter includes at least one of the following: reverberation time and noise suppression parameters, wherein the corresponding actual sound field information is the actual parameters of the sound absorption material in the target building; and/or the presence of a gas in the gas,
the actual acoustic parameters include at least one of: and audio signal waveforms and howling frequency points, wherein the corresponding actual sound field information is the actual parameters of the sound source in the target building.
On the basis of the above technical solutions, optionally, the apparatus further includes:
a first adjusting module, configured to send actual sound field information expected by a target building to a first controller after the sound field information determining module 330 is configured to determine the actual sound field information expected by the target building, so that the first controller adjusts the sound absorbing material in the target building according to the expected actual sound field information.
On the basis of the above technical solutions, optionally, the apparatus further includes:
and a second adjusting module, configured to send actual sound field information expected by the target building to a second controller after the sound field information determining module 330 is configured to determine the actual sound field information expected by the target building, so that the second controller adjusts the sound source in the target building according to the expected actual sound field information.
Example four
Fig. 4 is a schematic structural diagram of an electronic apparatus according to a fourth embodiment of the present invention, as shown in fig. 4, the electronic apparatus includes a processor 40, a memory 41, an input device 42, and an output device 43; the number of the processors 40 in the electronic device may be one or more, and one processor 40 is taken as an example in fig. 4; the processor 40, the memory 41, the input device 42 and the output device 43 in the electronic apparatus may be connected by a bus or other means, and the bus connection is exemplified in fig. 4.
The memory 41 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the building acoustic processing method in the embodiment of the present invention. The processor 40 executes various functional applications of the electronic device and data processing by executing software programs, instructions, and modules stored in the memory 41, that is, implements the above-described architectural acoustic processing method.
The memory 41 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 41 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 41 may further include memory located remotely from processor 40, which may be connected to the electronic device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
EXAMPLE five
An embodiment of the present invention further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for building acoustic processing, the method including:
building a building model according to actual scene information of a target building and establishing a simulated sound field in the building model;
acquiring actual acoustic parameters acquired by pickup equipment in the target building;
and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building.
Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the method operations described above, and may also perform related operations in the building acoustic processing method provided by any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
It should be noted that, in the embodiment of the architectural acoustic processing apparatus, the included units and modules are merely divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method of acoustic treatment of a structure, comprising:
building a building model according to actual scene information of a target building and establishing a simulated sound field in the building model;
acquiring actual acoustic parameters acquired by pickup equipment in the target building;
and determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model, wherein the actual sound field information is used for adjusting the actual sound field of the target building.
2. The method of claim 1, wherein determining actual sound field information desired by a target building from the simulated sound field and the actual acoustic parameters based on the building model comprises:
and if the actual acoustic parameters are not consistent with the expected acoustic parameters, determining the actual sound field information expected by the target building according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model.
3. The method according to claim 1 or 2, characterized in that the actual acoustic parameters comprise at least one of the following: reverberation time and noise suppression parameters, wherein the corresponding actual sound field information is the actual parameters of the sound absorption material in the target building; and/or the presence of a gas in the gas,
the actual acoustic parameters include at least one of: and audio signal waveforms and howling frequency points, wherein the corresponding actual sound field information is the actual parameters of the sound source in the target building.
4. The method of claim 3, wherein after determining the actual sound field information expected by the target building, further comprising:
and sending actual sound field information expected by the target building to a first controller, so that the first controller adjusts the sound absorption material in the target building according to the expected actual sound field information.
5. The method of claim 3, wherein after determining the actual sound field information expected by the target building, further comprising:
and sending actual sound field information expected by the target building to a second controller, so that the second controller adjusts the sound source in the target building according to the expected actual sound field information.
6. A building acoustic treatment apparatus, comprising:
the sound field establishing module is used for establishing a building model according to the actual scene information of the target building and establishing a simulated sound field in the building model;
the parameter acquisition module is used for acquiring actual acoustic parameters acquired by pickup equipment in the target building;
and the sound field information determining module is used for determining actual sound field information expected by the target building according to the simulated sound field and the actual acoustic parameters based on the building model and adjusting the actual sound field of the target building.
7. The apparatus of claim 6, wherein the sound field information determining module comprises:
and the sound field information determining unit is used for determining actual sound field information expected by the target building according to the simulated sound field, the actual acoustic parameters and the expected acoustic parameters based on the building model if the actual acoustic parameters are not consistent with the expected acoustic parameters.
8. The apparatus of claim 6 or 7, wherein the actual acoustic parameters comprise at least one of: reverberation time and noise suppression parameters, wherein the corresponding actual sound field information is the actual parameters of the sound absorption material in the target building; and/or the presence of a gas in the gas,
the actual acoustic parameters include at least one of: and audio signal waveforms and howling frequency points, wherein the corresponding actual sound field information is the actual parameters of the sound source in the target building.
9. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method of building acoustic processing of any one of claims 1-5.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the building acoustic processing method according to any one of claims 1 to 5.
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| CN118149960A (en) * | 2024-01-03 | 2024-06-07 | 深圳市声菲特科技技术有限公司 | Real-time sound field testing method, device, equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118149960A (en) * | 2024-01-03 | 2024-06-07 | 深圳市声菲特科技技术有限公司 | Real-time sound field testing method, device, equipment and storage medium |
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