CN117278918A - Digital sounding device, method, equipment and medium - Google Patents

Abstract

The invention discloses a digital sound generating device, a digital sound generating method, digital sound generating equipment and digital sound generating medium, relates to the technical field of digital loudspeakers, and aims to solve the problem that the size requirements of the sound generating device and the listening requirements of different users cannot be met simultaneously in the prior art. Comprising the following steps: the system comprises a master controller, an MEMS digital sounding chip array module and a tail module; the MEMS digital sounding chip array module comprises an array formed by a plurality of MEMS digital sounding chips and an array controller; the array controller controls the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips; the master controller controls the digital sounding chip array module; the tail module covers the contacts. The MEMS digital sounding chip array combined structure is adopted, the frequency band of the full-audible domain can be independently restored, the free self-closing of the sounding device is realized, the number of digital sounding chips is flexibly adjusted according to the sounding requirements of different users, and the size requirements of the sounding device and the sounding requirements of the users are met.

Description

Digital sounding device, method, equipment and medium

Technical Field

The present invention relates to the field of digital speaker technologies, and in particular, to a digital sound generating device, method, apparatus, and medium.

Background

A speaker is a transducer device capable of converting an electrical signal into an acoustic signal. The speaker is the basis for making sound, acoustically active noise reduction devices, etc., and therefore, the performance of the speaker has a critical impact on the fabrication of acoustic devices. The MEMS speaker (Micro Electro Mechanical System), i.e., the MEMS speaker, has advantages of good consistency, low power consumption, small size, low price, etc., over conventional voice coil speakers.

The existing combination of a plurality of different sounding units restores an audible domain, and the structural design is fixed. In the prior art, a plurality of speaker unit combinations are needed, the structural design is complex, the size of the speaker unit for generating low frequency is large, the volume of the strip-shaped sound generating device is large, the low frequency reduction effect is limited under the condition of limited size, and the structure is basically fixed, so that a plurality of speaker units cannot be freely combined. The different sizes of sound generating devices and the listening requirements of different users cannot be met.

Accordingly, there is a need to provide a more reliable digital sound scheme.

Disclosure of Invention

The invention aims to provide a digital sound generating device, a digital sound generating method, digital sound generating equipment and digital sound generating medium, which are used for solving the problem that the sound generating device in the prior art cannot meet the size requirements of the sound generating device and the listening requirements of different users at the same time.

In order to achieve the above object, the present invention provides the following technical solutions:

in a first aspect, the present invention provides a digital sound emitting device, the device comprising at least:

the system comprises a master controller, an MEMS digital sounding chip array module and a tail module;

the MEMS digital sounding chip array module comprises an array formed by a plurality of MEMS digital sounding chips and an array controller; the array controller is used for controlling the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips;

the master controller is used for controlling the MEMS digital sounding chip array module; the tail module is used for covering the contacts.

Compared with the prior art, the digital sound generating device provided by the invention at least comprises: the system comprises a master controller, an MEMS digital sounding chip array module and a tail module; the MEMS digital sounding chip array module comprises an array formed by a plurality of MEMS digital sounding chips and an array controller; the array controller is used for controlling the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips; the master controller is used for controlling the MEMS digital sounding chip array module; the tail module is used for covering the contacts. Through adopting MEMS digital sounding chip array integrated configuration, can independently restore the frequency channel in full audible domain, realize sound generating mechanism's free self-closing to according to the nimble quantity of adjusting digital sounding chip of different users' listening demand, satisfy sound generating mechanism's size requirement and user's listening demand simultaneously.

In a second aspect, a digital sound production method, the method being applied to a digital sound production device, the method comprising:

receiving an input digital audio signal;

acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume;

processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal;

and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

Compared with the prior art, the digital sounding method provided by the invention has the advantages that the input digital audio signal is received; acquiring size information of a digital sound generating device and a sound generating mode set by a user; processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal; and the driving signals are sent to the corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals. The number of the digital sounding chips is flexibly adjusted according to the sounding requirements of different users, and meanwhile, the size requirements of the sounding device and the sounding requirements of the users are met.

In a third aspect, the present invention provides a digital sound producing device, the device comprising:

a communication unit/communication interface for receiving an input digital audio signal; acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume;

the processing unit/processor is used for processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal;

and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

In a fourth aspect, the present invention provides a computer storage medium having instructions stored therein that, when executed, implement the digital sound production method described above.

Technical effects achieved by the equipment class scheme provided in the third aspect and the computer storage medium scheme provided in the fourth aspect are the same as those achieved by the method class scheme provided in the second aspect, and are not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic diagram of a digital sound device according to the present invention;

FIG. 2 is a schematic diagram of an array module structure of a MEMS digital sound chip provided by the invention;

FIG. 3 is a schematic diagram of a side structure of an MEMS digital sound chip array module according to the present invention;

FIG. 4 is a schematic diagram of a sound bar assembly according to the present invention;

FIG. 5 is a flow chart of a digital sounding method provided by the invention;

fig. 6 is a schematic structural diagram of a digital sound generating device according to the present invention.

Reference numerals:

the sound production device comprises a 10-master controller, a 20-MEMS digital sound production chip array module, a 30-tail module, a 40-array module internal circuit board, a 41-MEMS loudspeaker, a 42-module controller, a 50-MEMS digital sound production chip array module right side surface, a 51-first strong magnet, a 52-contact mother groove, a 60-MEMS digital sound production chip array module left side surface, a 61-second strong magnet, a 62-spring needle contact, a 70-strip sound box and an 80-expanded sound production device.

Detailed Description

In order to clearly describe the technical solution of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", etc. are used to distinguish the same item or similar items having substantially the same function and effect. For example, the first threshold and the second threshold are merely for distinguishing between different thresholds, and are not limited in order. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.

In the present invention, the words "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the present invention, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, a and b, a and c, b and c, or a, b and c, wherein a, b, c can be single or multiple.

In the prior art, if the size of the sounding device is required to be reduced, the structural size of the traditional loudspeaker needs to be reduced as a whole, the arrangement can cause the influence on the tone quality and the volume of sounding, and the low-frequency reduction effect is very limited under the condition of limited size; however, if the low frequency is to be better restored, a larger speaker unit is required, so that the volume cannot be reduced, the listening requirement of the user cannot be guaranteed, and free self-assembly of the sound generating device cannot be realized.

Next, the scheme provided by the embodiments of the present specification will be described with reference to the accompanying drawings:

example 1

As shown in fig. 1, in embodiment 1, a digital sound generating apparatus is provided, which mainly includes: the system comprises a master controller 10, an MEMS digital sounding chip array module 20 and a tail module 30;

the MEMS digital sound chip array module 20 includes an array formed by a plurality of MEMS digital sound chips and an array controller; the array controller is used for controlling the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips;

the master controller 10 is used for controlling the MEMS digital sounding chip array module; the tail module 30 is used to cover the contacts.

Optionally, the overall controller 10 further includes a power supply module for providing power to the system devices.

The apparatus of fig. 1 further comprises a signal input module for receiving digital audio signal inputs, including but not limited to USB/bluetooth/wifi, etc.; the signal input module transmits the received digital audio signal to the master controller, and the master controller processes the digital audio signal by using a DSR algorithm according to a preset sounding mode to obtain a driving signal;

and each module controller drives the MEMS digital sounding chip inside the corresponding module to sound.

The overall controller 10 is provided with a power supply, a signal input part (USB/Bluetooth and the like) and an array overall control module, and the array overall control module can judge the number of the currently available total MEMS digital sounding chips.

The structure of the MEMS digital sound emitting chip array module 20 may be described with reference to fig. 2, and as shown in fig. 2, the MEMS digital sound emitting chip array module 20 may include an array module internal circuit board 40, a MEMS speaker 41, and a module controller 42. Further, as shown in fig. 3, the side view of the MEMS digital sound chip array module 20 includes a first strong magnet 51 and a contact female slot 52 in the right side 50 of the MEMS digital sound chip array module 20, where the first strong magnet 51 plays a role in fixation, and the contact female slot 52 is used for power supply and signal transmission; the left side 60 of the MEMS digital sound chip array module 20 includes a second strong magnet 61 and a spring pin contact 62, where the second strong magnet 61 is fixed, and the spring pin contact 62 is also used for power and signal transmission.

The sound generating device in embodiment 1 may be a bar-shaped sound generating device, and may be applied to devices including speakers, such as a smart speaker, a television, and the like. Taking a sound bar as an example, fig. 4 is a schematic diagram of sound bar combination, where the sound bar 70 may be formed by combining a plurality of modules in a two-dimensional manner by means of expansion combination, so as to form an expanded sound generating device 80, and the structure may be controlled by software to more significantly increase the volume, the audio frequency reduction precision and the signal to noise ratio.

The digital sound generating apparatus provided in embodiment 1 includes at least: the system comprises a master controller, an MEMS digital sounding chip array module and a tail module; the MEMS digital sounding chip array module comprises an array formed by a plurality of MEMS digital sounding chips and an array controller; the array controller is used for controlling the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips; the master controller is used for controlling the MEMS digital sounding chip array module; the tail module is used for covering the contacts. Through adopting MEMS digital sounding chip array integrated configuration, can independently restore the frequency channel in full audible domain, realize sound generating mechanism's free self-closing to according to the nimble quantity of adjusting digital sounding chip of different users' listening demand, satisfy sound generating mechanism's size requirement and user's listening demand simultaneously. The structure in embodiment 1 not only can reduce the volume of the device and realize the effect of free combination of the devices, but also can meet different hearing demands of users.

Embodiment 1 uses MEMS digital sounding chip to replace the traditional speaker in the bar sound generating apparatus on the basis of prior art, can obtain better low frequency reduction effect under the condition of reducing the device volume to because MEMS digital sounding chip can independently restore the frequency channel in full audible domain, this sound generating apparatus can realize free combination, along with the promotion of MEMS digital sounding chip quantity, volume and audio frequency reduction precision and signal to noise ratio all can corresponding promotion.

Example 2

As shown in fig. 5, the process may include the steps of:

step 510: an input digital audio signal is received.

Digital audio is a technology for recording, storing, editing, compressing or playing sound by using a digital means, and is a brand new sound processing means formed along with the development of digital signal processing technology, computer technology and multimedia technology. The main application areas of digital audio are music post-production and recording. The storage of computer data is accessed in the form of 0 and 1, so that the digital audio is firstly converted into audio files, then converted into binary data and stored, and when the digital audio is played, the digital audio is converted into analog level signals and then sent to a loudspeaker for playing, and the digital audio is essentially different from the audio in common magnetic tapes, broadcasting and televisions in terms of storage playing modes.

Step 520: acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume.

In the practical application scene, to the use scene demand of difference, also have different demands to digital sound production device's size volume, the user is also different to sound production device's listening demand, the sound production device that traditional speaker constitutes can't satisfy size requirement and user's listening demand simultaneously, the technical scheme who provides in this specification embodiment can acquire sound production device's size information and user's individualized sound production mode of selecting promptly listening demand in advance, so that follow-up sound production according to size and listening demand.

Step 530: and processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal.

A digital sound reconstruction (Digital Sound Reconstruction, abbreviated as DSR) uses a digital sound reconstruction algorithm to generate a driving signal for each digital sound chip that needs to operate based on the control information.

Step 530 may determine the number of digital sound emitting chips to be operated and the number of digital sound emitting chips to be operated according to the user listening demand and the size information, and generate the corresponding driving signal.

Step 540: and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

Based on the driving signals, the MEMS digital sounding chip at the corresponding position is driven, directional personalized sounding is realized, and the listening tone quality and volume requirements of a user are met.

The method of fig. 5 by receiving an input digital audio signal; acquiring size information of a digital sound generating device and a sound generating mode set by a user; processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal; and the driving signals are sent to the corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals. The number of the digital sounding chips is flexibly adjusted according to the sounding requirements of different users, and meanwhile, the size requirements of the sounding device and the sounding requirements of the users are met.

Based on the method of fig. 5, the present description example also provides some specific implementations of the method, which are described below.

The overall method control logic of the method provided in fig. 5 is:

firstly, initializing a system, powering up and detecting MEMS digital sounding chips in a module by each module controller, acquiring the number of available MEMS digital sounding chips in the current module, and then transmitting the number of available MEMS digital sounding chips to a main controller end.

And then receiving the input digital audio signal, and processing the digital audio signal into a driving signal by the general controller according to the sounding mode which is currently set by using a DSR algorithm. The sounding modes can be divided into:

(1) and in a high dynamic range mode, each MEMS digital sounding chip can be controlled independently, the dynamic range can reach (1 pixel-total number) dynamic range, and the total controller needs to send different driving signals for each module controller.

(2) And in the high-volume mode, the total controller transmits the same driving signals to all the module controllers.

Finally, driving the MEMS digital sounding chip according to the driving signal, each module controller driving the MEMS digital sounding chip inside the module according to the received driving signal,

if faults occur, if the MEMS digital sounding chip in the module is short-circuited, a large number of pixels are faulty, and the like, the module controller sends interrupt signals and fault conditions to the master controller, and the master controller stops audio playing of all the modules and reports the faults to upper software to realize a fault self-checking function.

In the schemes in the embodiments 1 and 2, the MEMS digital sounding chip is used for the bar-shaped sounding device, so as to realize the sounding effects of the two sounding modes, not only reduce the volume of the device and realize the effect of free combination of the device, but also meet different hearing demands of users.

Based on the same thought, the embodiment of the specification also provides a digital sound production device. As shown in fig. 6, may include:

a communication unit/communication interface for receiving an input digital audio signal; acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume;

the processing unit/processor is used for processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal;

and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

As shown in fig. 6, the terminal device may further include a communication line. The communication line may include a pathway to communicate information between the aforementioned components.

Optionally, as shown in fig. 6, the terminal device may further include a memory. The memory is used for storing computer-executable instructions for executing the scheme of the invention, and the processor is used for controlling the execution. The processor is configured to execute computer-executable instructions stored in the memory, thereby implementing the method provided by the embodiment of the invention.

In a specific implementation, as one embodiment, as shown in FIG. 6, the processor may include one or more CPUs, such as CPU0 and CPU1 in FIG. 6.

In a specific implementation, as an embodiment, as shown in fig. 6, the terminal device may include a plurality of processors, such as the processor in fig. 6. Each of these processors may be a single-core processor or a multi-core processor.

Based on the same thought, the embodiments of the present disclosure further provide a computer storage medium corresponding to the above embodiments, where instructions are stored, and when the instructions are executed, the method in the above embodiments is implemented.

The above description has been presented mainly in terms of interaction between the modules, and the solution provided by the embodiment of the present invention is described. It is understood that each module, in order to implement the above-mentioned functions, includes a corresponding hardware structure and/or software unit for performing each function. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is implemented as hardware or computer software driven hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The embodiment of the invention can divide the functional modules according to the method example, for example, each functional module can be divided corresponding to each function, or two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present invention, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.

The processor in this specification may also have a function of a memory. The memory is used for storing computer-executable instructions for executing the scheme of the invention, and the processor is used for controlling the execution. The processor is configured to execute computer-executable instructions stored in the memory, thereby implementing the method provided by the embodiment of the invention.

The memory may be, but is not limited to, read-only memory (ROM) or other type of static storage device that can store static information and instructions, random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, but may also be electrically erasable programmable read-only memory (EEPROM), compact disc-only memory (compact disc read-only memory, CD-ROM) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be stand alone and be coupled to the processor via a communication line. The memory may also be integrated with the processor.

Alternatively, the computer-executable instructions in the embodiments of the present invention may be referred to as application program codes, which are not particularly limited in the embodiments of the present invention.

The method disclosed by the embodiment of the invention can be applied to a processor or realized by the processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor may be a general purpose processor, a digital signal processor (digital signal processing, DSP), an ASIC, an off-the-shelf programmable gate array (field-programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present invention are performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, a terminal, a user equipment, or other programmable apparatus. The computer program or instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program or instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that integrates one or more available media. The usable medium may be a magnetic medium, e.g., floppy disk, hard disk, tape; optical media, such as digital video discs (digital video disc, DVD); but also semiconductor media such as solid state disks (solid state drive, SSD).

Although the invention is described herein in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.

Although the invention has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are merely exemplary illustrations of the present invention as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A digital sound emitting device, the device comprising at least:

the system comprises a master controller, an MEMS digital sounding chip array module and a tail module;

the MEMS digital sounding chip array module comprises an array formed by a plurality of MEMS digital sounding chips and an array controller; the array controller is used for controlling the work of each MEMS digital sounding chip and the number of the working MEMS digital sounding chips;

the master controller is used for controlling the MEMS digital sounding chip array module; the tail module is used for covering the contacts.

2. The digital sound emitting apparatus of claim 1, wherein the apparatus further comprises:

the signal input module is used for receiving digital audio signal input; the signal input module transmits the received digital audio signal to the master controller, and the master controller processes the digital audio signal by using a DSR algorithm according to a preset sounding mode to obtain a driving signal;

and each module controller drives the MEMS digital sounding chip inside the corresponding module to sound.

3. The digital sound device of claim 2, wherein each module controller provides power to detect MEMS digital sound chips in a corresponding module and obtains the number of MEMS digital sound chips available in the current module.

4. The digital sound device of claim 3, wherein the number of available MEMS digital sound chips is sent to the overall controller; the master controller controls the working quantity of the MEMS digital sounding chip according to the size and sounding mode of the digital sounding device; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume; the sound emitting mode includes at least a high dynamic range mode and a high volume mode.

5. The digital sound generator of claim 2, wherein the digital sound generator is a bar-type sound generator; strong magnets are arranged on two sides of the MEMS digital sounding chip array module of the strip-shaped sounding device; and one side of the MEMS digital sounding chip array module is provided with a contact mother groove, and the other side is provided with a spring needle contact, and the contact mother groove and the spring needle contact are both used for power supply and signal transmission.

6. A digital sound production method, wherein the method is applied to a digital sound production device, and the method comprises:

receiving an input digital audio signal;

acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume;

processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal;

and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

7. The digital sound production method of claim 6, wherein the sound production modes include at least a high dynamic range mode and a high volume mode;

when the sounding mode is a high dynamic range mode, each MEMS digital sounding chip comprises N sounding pixel units, and each MEMS digital sounding chip is independently controlled within the dynamic range of 1-N of the pixel units; each module controller drives a corresponding number of MEMS digital sounding chips to sound based on different driving signals;

when the sounding mode is a high-volume mode, all MEMS digital sounding chips use the same control logic, and the master controller transmits the same driving signals to all module controllers in the high-volume mode.

8. The digital sounding method of claim 7, wherein when the MEMS digital sounding chip fails, the module controller sends an interrupt signal and a failure condition to the overall controller, and the overall controller terminates audio playback of all modules based on the interrupt signal and reports the failure condition.

9. A digital sound producing device, the device comprising:

a communication unit/communication interface for receiving an input digital audio signal; acquiring size information of the digital sound generating device and a sound generating mode set by a user; the sounding mode is a user hearing requirement, and the user hearing requirement at least comprises sound quality and volume;

the processing unit/processor is used for processing the digital audio signal by using a DSR algorithm according to the size information and the sounding mode to obtain a driving signal;

and the driving signals are sent to corresponding module controllers, and the module controllers drive MEMS digital sounding chips in the corresponding modules to sound according to the received driving signals.

10. A computer storage medium having instructions stored therein which, when executed, implement the digital sound production method of any one of claims 6 to 8.