WO2021212717A1 - Procédé d'analyse de données audio, dispositif électronique et support de stockage - Google Patents

Procédé d'analyse de données audio, dispositif électronique et support de stockage Download PDF

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Publication number
WO2021212717A1
WO2021212717A1 PCT/CN2020/112177 CN2020112177W WO2021212717A1 WO 2021212717 A1 WO2021212717 A1 WO 2021212717A1 CN 2020112177 W CN2020112177 W CN 2020112177W WO 2021212717 A1 WO2021212717 A1 WO 2021212717A1
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WO
WIPO (PCT)
Prior art keywords
target
data
analysis
spectrum data
audio data
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PCT/CN2020/112177
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English (en)
Chinese (zh)
Inventor
严庆扬
王凡
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中科新悦（苏州）科技有限公司
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Publication of WO2021212717A1 publication Critical patent/WO2021212717A1/fr

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
    • G10L21/10—Transforming into visible information
    • G10L21/14—Transforming into visible information by displaying frequency domain information
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination

Definitions

  • the present invention relates to the technical field of audio processing, in particular to an audio data analysis method, electronic equipment and storage medium.
  • the existing analysis of audio data generally involves professionals using professional instruments, that is, an acoustic test system to analyze audio data.
  • professional instruments that is, an acoustic test system to analyze audio data.
  • acoustic test systems it is generally necessary to understand certain professional knowledge before they can be used.
  • the most commonly used acoustic test system is a single-channel handheld test instrument, and most of the scenes need to be used as measuring instruments. It is widely used in environmental testing, rail transit , Home appliances, military industry, aerospace and other fields.
  • test results are generally expressed by the total sound level meter readings. If you want to get the detailed analysis results of the test results, you also need professionals to use professional knowledge for analysis. However, this limits the scope of application of existing acoustic test systems.
  • the embodiments of the present invention provide an audio data analysis method, electronic equipment, and storage medium to solve the problem of a narrow application range of the existing acoustic test system.
  • an embodiment of the present invention provides an audio data analysis method, including:
  • An analysis result of the target spectrum data and the at least one reference spectrum data is displayed on the analysis interface.
  • the audio data analysis method provided by the embodiment of the present invention converts the target audio data into target spectrum data after acquiring the target audio data, and displays the analysis results of the target spectrum data and the reference spectrum data on the same analysis interface, which can obtain intuitive analysis As a result, subsequent professionals' analysis of the data is avoided, and the application range of the electronic device for performing the audio data analysis method is greatly increased.
  • the converting the target audio data into target spectrum data includes:
  • the audio data analysis method performs frequency weighting processing on the target time domain data obtained from the target audio data to obtain the target data of the pre-design right, and then obtain the target spectrum data corresponding to the pre-design right;
  • the target spectrum data corresponding to the pre-design weight is obtained.
  • a comparative analysis under different pre-design weights can be performed, which expands the application range of the audio data analysis method.
  • said converting the target audio data into target spectrum data further includes:
  • the audio data analysis method uses preset octave parameters to process target frequency spectrum data to obtain target octave data corresponding to the preset octave parameters, and compare it from another angle (octave)
  • the target audio data is analyzed, which expands the application range of the audio data analysis method.
  • the analysis interface includes: the label of the pre-design right, the label of the preset octave, and the analysis result area;
  • the analysis result area is used to display the analysis result corresponding to the pre-design weight and the preset octave band.
  • the analysis interface is divided into a pre-design right label, a preset octave label, and an analysis result area to ensure that the analysis result corresponds to the pre-design right and the preset octave band. Display, making the display result more intuitive.
  • the analysis result area includes an analysis graph area; wherein, the target spectrum data and the at least one reference spectrum data are displayed on the analysis interface
  • the analysis results include:
  • the extracted target frequency spectrum data and the at least one reference frequency spectrum data are displayed in the analysis graph area; wherein the extracted target frequency spectrum data and the at least one reference frequency spectrum data correspond to an identifier in a one-to-one correspondence.
  • the audio data analysis method provided by the embodiment of the present invention displays the extracted target spectrum data and at least one reference spectrum data in the analysis graph area, and uses different identifiers to distinguish, so as to prevent the mutual influence between different spectrum data, so that The intuitiveness of the displayed results.
  • the analysis interface includes an analysis data area for displaying information about the target spectrum data and the at least one reference spectrum data. analyze data.
  • the method further includes:
  • the target amplitude is displayed in the analysis data area.
  • the target amplitude corresponding to the target frequency is displayed in digital form by displaying the target amplitude in the analysis data area, which improves the intuitiveness of the analysis result.
  • the acquiring at least one reference spectrum data includes:
  • the at least one reference frequency spectrum data is acquired in response to a user's operation on the audio data analysis interface.
  • an embodiment of the present invention also provides an audio data analysis device, including:
  • An obtaining device which is used to obtain target audio data and at least one reference spectrum data
  • a data conversion module for converting the target audio data into target spectrum data
  • the display module is configured to display the analysis result of the target spectrum data and the at least one reference spectrum data on the analysis interface.
  • the audio data analysis device converts the target audio data into target spectrum data after acquiring it, and displays the analysis results of the target spectrum data and the reference spectrum data on the same analysis interface, which can obtain intuitive analysis As a result, subsequent professionals' analysis of the data is avoided, and the application range of the electronic device for performing the audio data analysis method is greatly increased.
  • an embodiment of the present invention provides an electronic device, including: a memory and a processor, the memory and the processor are communicatively connected to each other, the memory is stored with computer instructions, and the processor By executing the computer instruction, the audio data analysis method described in the first aspect or any one of the implementations of the first aspect is executed.
  • an embodiment of the present invention provides a computer-readable storage medium that stores computer instructions for causing the computer to execute the first aspect or any of the first aspects.
  • Fig. 1 is a flowchart of an audio data analysis method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of an audio data analysis method according to an embodiment of the present invention.
  • Fig. 3 is a flowchart of an audio data analysis method according to an embodiment of the present invention.
  • Fig. 4 is a schematic diagram of an analysis interface according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of an audio data analysis device according to an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the hardware structure of an electronic device provided by an embodiment of the present invention.
  • the audio data analysis method described in the embodiment of the present invention is applied to electronic devices, such as mobile phones, tablet computers, and so on. Use the processor that comes with the mobile phone or tablet to analyze the audio data, without the need for a separate device to analyze it.
  • the analysis results can also be displayed on the display of a mobile phone or tablet computer. Therefore, when the data analysis method described in the embodiment of the present invention is applied to a mobile phone or tablet computer, the mobile phone or tablet computer runs the audio data analysis method, and the audio data analysis method can be installed on the mobile phone or
  • the application in the tablet computer can also be implemented in other ways, and so on.
  • the protection scope of the present invention is not limited to this, and the audio data analysis method can also be applied to other electronic devices.
  • an embodiment of an audio data analysis method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and, although The logical sequence is shown in the flowchart, but in some cases, the steps shown or described may be performed in a different order than here.
  • FIG. 1 is a flowchart of an audio data analysis method according to an embodiment of the present invention, as shown in FIG. , The process includes the following steps:
  • S11 Acquire target audio data and at least one reference spectrum data.
  • the target audio data can be collected by an audio collection device integrated in the electronic device, or can be collected by other audio collection devices and sent to the electronic device, etc. There is no restriction on the source of the target audio data.
  • the reference spectrum data may be preset spectrum data, or may be historical spectrum data stored in the electronic device. For example, at time t1 the electronic device obtains the first target audio data and performs S12 processing to obtain the first target audio data, and at time t2 the electronic device obtains the second target audio data, then the first spectrum data obtained at time t1 is At time t2, it is historical spectrum data, and the historical spectrum data can be used as reference spectrum data at time t2. There are no restrictions on the source of the reference spectrum data here, and the corresponding settings can be made according to the actual situation.
  • the target spectrum data generated by the currently measured target audio data will be automatically saved, and then you can select this data as the historical data and perform a comparative analysis with the target audio data being measured.
  • the automatically saved data will only retain the latest 3, redundant
  • the data will be automatically deleted by the system; in addition, the data can be saved manually.
  • the manually saved data will not be automatically cleaned up unless the user manually deletes it.
  • the manually saved data can also be used as historical spectrum data for comparison with the current target spectrum data.
  • the electronic device After the electronic device obtains the target audio data in S11, it performs spectrum analysis on it to obtain the target spectrum data; for example, Fourier transform may be used, or the target spectrum data may be obtained through other transformations. This step will be described in detail below.
  • S13 Display an analysis result of the target spectrum data and at least one reference spectrum data on the analysis interface.
  • the electronic device After the electronic device obtains the target spectrum data in S12, it compares and analyzes the target spectrum data with at least one reference spectrum data obtained in S11.
  • the target spectrum data and at least one reference spectrum data can be displayed in the same coordinate system at the same time.
  • the analysis result can also be embodied in the form of data, for example, the statistical analysis value (such as variance, standard deviation, etc.) between the target spectrum data and at least one reference spectrum data can be displayed.
  • the electronic device displays the analysis result of the target spectrum data and at least one reference spectrum data on the same analysis interface.
  • the audio data analysis method provided in this embodiment converts the target audio data into target spectrum data after acquiring it, and displays the analysis results of the target spectrum data and the reference spectrum data on the same analysis interface, so that intuitive analysis results can be obtained This avoids subsequent professionals from analyzing the data, and greatly improves the application range of the electronic device that executes the audio data analysis method.
  • FIG. 2 is a flowchart of an audio data analysis method according to an embodiment of the present invention, as shown in FIG. The process includes the following steps:
  • S21 Acquire target audio data and at least one reference spectrum data.
  • the method for obtaining at least one reference spectrum data can be implemented by adopting the following steps:
  • An audio data analysis interface is displayed on the electronic device, and a reference spectrum data selection tag is provided on the audio data analysis interface. The user operates the tag to enable the electronic device to obtain at least one reference spectrum data.
  • the user operates the audio data analysis interface displayed on the electronic device. For example, the user selects the comparison tab on the audio data analysis interface to enter the comparison data selection page, and selects the data to be compared. Then return to the previous page and open the data tab to be compared when starting the measurement to display the compared reference spectrum data.
  • the above S22 includes the following steps:
  • S221 Convert the target audio data into target time domain data.
  • the electronic device converts the target audio data obtained in S21 into target time domain data.
  • the target audio data may be sampled to obtain the target time domain data, or other methods may be used to convert the target audio data into target time domain data.
  • S222 Perform frequency weighting processing on the target time domain data to obtain pre-designed target data.
  • the electronic device simulates the human ear's perception of sound to perform frequency weighting processing on the target time-domain data according to different standards.
  • the pre-design weights include A weighting, B weighting, C weighting, and Z weighting.
  • the frequency weighting process is to filter and process the target time-domain data with fast and slow gears (divided into fast gears, slow gears and pulse gears) so that the user can observe the changes of the target data. Therefore, after the electronic device performs spectrum weighting processing on the target time-domain data, the obtained target data corresponds to the pre-designed weight one-to-one. For example, the target data corresponding to A weighting, the target data corresponding to B weighting, the target data corresponding to C weighting, and the target data corresponding to Z weighting are obtained.
  • S223 Perform spectrum processing on the target data of the pre-design right to obtain target spectrum data.
  • the electronic device then performs Fourier analysis on the target data of the pre-design right to obtain spectrum data.
  • the foregoing S22 further includes the following steps:
  • the preset octave parameter acquired by the electronic device may be stored in the electronic device in advance, or may be acquired by the electronic device by means of human-computer interaction. There is no restriction on the way the electronic device obtains the preset octave parameter, and it only needs to ensure that the electronic device can obtain the preset octave parameter.
  • the octave parameter can be understood as dividing the audio frequency range from 20 Hz to 20 KHz into several frequency bands, and each frequency band is called a frequency band.
  • f 2 /f 1 2 n
  • f 2 is the upper limit frequency of the audio frequency range
  • f 1 is the lower limit frequency of the audio frequency range
  • the index n is n octave.
  • the preset octave parameters can be 1, 1/3, 1/6, 1/12, etc., which can be set accordingly according to actual conditions.
  • the electronic device processes the target spectrum data to obtain the target octave data corresponding to the preset octave parameter.
  • the target octave data corresponding to the octave parameter of 1 corresponds to the octave parameter of 1/3
  • the target octave data of corresponds to the target octave data with the octave parameter of 1/6 and the target octave data with the octave parameter of 1/12.
  • the target frequency multiplication data of the electronic device is subjected to frequency spectrum processing to obtain the target frequency spectrum data.
  • the electronic device can obtain target spectrum data corresponding to A weighting and an octave parameter of 1, corresponding to A weighting and an octave parameter of 1/3
  • the target spectrum data corresponding to B weighting and the octave parameter is 1, the target spectrum data corresponding to B weighting and the octave parameter is 1/3, and so on.
  • the preset octave parameters to process the target spectrum data to obtain the target octave data corresponding to the preset octave parameters.
  • the target audio data is analyzed from another angle (octave), and the application is expanded. The scope of application of audio data analysis methods.
  • S23 Display an analysis result of the target spectrum data and at least one reference spectrum data on the analysis interface.
  • the audio data analysis method provided by the present embodiment performs frequency weighting processing on the target time domain data obtained from the target audio data to obtain the target data of the pre-design right, and then obtain the target spectrum data corresponding to the pre-design right;
  • the target spectrum data corresponding to the pre-design weight can be compared and analyzed under different pre-design weights when the target spectrum data is compared with the reference spectrum data later, which expands the application range of the audio data analysis method.
  • FIG. 3 is a flowchart of an audio data analysis method according to an embodiment of the present invention, as shown in FIG. , The process includes the following steps:
  • S31 Acquire target audio data and at least one reference spectrum data.
  • S33 Display an analysis result of the target spectrum data and at least one reference spectrum data on the analysis interface.
  • Figure 4 shows a specific example of the analysis interface.
  • the analysis interface includes a label of pre-design rights, a label of preset octave bands, and an analysis result area; wherein, the analysis result area is used to display the pre-design rights and the analysis result area.
  • the analysis result of the preset octave is used to display the pre-design rights and the analysis result area.
  • the analysis result area includes an analysis graph area
  • the above S33 includes the following steps:
  • S331 Respond to operations on the label of the pre-design weight and the label of the preset octave on the analysis interface to obtain the target weight and the target octave.
  • the electronic device provides an analysis interface as shown in FIG. 4, and the user operates the label of the pre-designed right and the label of the preset octave on the analysis interface, so that the electronic device can obtain the target weight and the target octave.
  • the pre-design weight selected by the user on the analysis interface is A weighting, and the preset octave is 1/3.
  • S332 Extract target spectrum data and at least one reference spectrum data corresponding to the target weighting and target octave.
  • the electronic device Since the electronic device has obtained the target spectrum data corresponding to the pre-designed weight and the preset octave in the above S32, the electronic device can extract the target weighting and the target octave by using the target weighting and target octave obtained in S331. And the target spectrum data corresponding to the target octave.
  • the electronic device can also extract at least one reference spectrum data corresponding to the target weighting and target octave.
  • S333 Display the extracted target spectrum data and at least one reference spectrum data in the analysis graph area.
  • the extracted target spectrum data and at least one reference spectrum data correspond to the identifier in a one-to-one correspondence.
  • the electronic device After the electronic device extracts the target spectrum data and at least one reference spectrum data, it needs to graphically display the above data in the same analysis graph area.
  • the reference spectrum data is represented by curves of different colors, and the target spectrum data is represented by a bar graph.
  • the analysis interface includes an analysis data area for displaying analysis data of the target spectrum data and the at least one reference spectrum data.
  • the above S33 also includes:
  • the user After the electronic device analyzes the graphic area to graphically display the target spectrum data and at least one reference spectrum data, the user operates on the analysis interface to determine the target frequency.
  • the target frequency determined by the user on the analysis interface is 1KHz.
  • the electronic device After determining the target frequency, the electronic device extracts the target amplitude corresponding to the target frequency from the target spectrum data and at least one reference spectrum data.
  • the target amplitude corresponding to the target frequency is displayed in the form of numbers, which improves the intuitiveness of the analysis results.
  • the electronic device After the electronic device extracts the target spectrum data and at least one reference spectrum data, it performs secondary processing on the data; recalculates the spectrum data (X a , Y b ) according to the display resolution and spectrum data of the electronic device.
  • the coordinate position (X m , Y n ) on the screen is saved in the electronic device; the electronic device displays the corresponding curve on the screen according to the newly calculated (X m , Y n ); the electronic device is responding to the user's analysis
  • the coordinate (X u , Y v ) point on the electronic device is reversed according to the touch point coordinates obtained by the touch; then the electronic device finds the nearest (X m , Y n ) according to the (X u , Y v) coordinates
  • Which coordinate is, if it is multiple sets of data, find and record all Y n coordinates on the same X m axis; according to the found (X m , Y n ) coordinate array
  • the electronic device obtains all the y-axis data corresponding to the x-axis according to the x-axis coordinates.
  • a yellow indicator line is displayed on the interface to indicate the x-axis.
  • the y-axis data of the yellow line path is the data for comparison. And displayed by color at the top of the chart. That is, it is displayed in the analysis data area.
  • the corresponding color in the analysis graph area is used to represent different data; subsequent users can use the difference in color to compare the data in the analysis data area with the graph in the analysis graph area. Correspondence, thus ensuring the intuitiveness of the analysis results.
  • the analysis interface is divided into a pre-design right label, a preset octave label, and an analysis result area to ensure that the analysis result is displayed corresponding to the pre-design right and the preset octave band. , Making the display result more intuitive; by displaying the extracted target spectrum data and at least one reference spectrum data in the analysis graph area, and using different identifiers to distinguish, to prevent the mutual influence between different spectrum data, making the display result intuitive sex.
  • an audio data analysis device is also provided, and the device is used to implement the above-mentioned embodiments and preferred implementations, and those that have been described will not be repeated.
  • the term "module” can implement a combination of software and/or hardware with predetermined functions.
  • the devices described in the following embodiments are preferably implemented by software, implementation by hardware or a combination of software and hardware is also possible and conceived.
  • This embodiment provides an audio data analysis device, as shown in FIG. 5, including:
  • the obtaining module 41 is configured to obtain target audio data and at least one reference spectrum data
  • the data conversion module 42 is configured to convert the target audio data into target spectrum data
  • the display module 43 is configured to display the analysis result of the target spectrum data and the at least one reference spectrum data on the analysis interface.
  • the audio data analysis device converts the target audio data into target spectrum data after acquiring it, and displays the analysis results of the target spectrum data and the reference spectrum data on the same analysis interface, which can obtain intuitive analysis results This avoids subsequent professionals from analyzing the data, and greatly improves the application range of the electronic device that executes the audio data analysis method.
  • the audio data analysis device in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC circuit, a processor and memory that executes one or more software or fixed programs, and/or other devices that can provide the above-mentioned functions Device.
  • An embodiment of the present invention also provides an electronic device having the audio data analysis device shown in FIG. 5 above.
  • FIG. 6 is a schematic structural diagram of a terminal provided by an optional embodiment of the present invention.
  • the terminal may include: at least one processor 51, such as a CPU (Central Processing Unit) ), at least one communication interface 53, memory 54, at least one communication bus 52.
  • the communication bus 52 is used to implement connection and communication between these components.
  • the communication interface 53 may include a display (Display) and a keyboard (Keyboard), and the optional communication interface 53 may also include a standard wired interface and a wireless interface.
  • the memory 54 may be a high-speed RAM memory (Random Access Memory, volatile random access memory), or a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • the memory 54 may also be at least one storage device located far away from the aforementioned processor 51.
  • the processor 51 may be combined with the device described in FIG. 6, the memory 54 stores an application program, and the processor 51 calls the program code stored in the memory 54 to execute any of the above method steps.
  • the communication bus 52 may be a peripheral component interconnection standard (peripheral component interconnect, PCI for short) bus or an extended industry standard architecture (EISA for short) bus, etc.
  • the communication bus 52 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 6, but it does not mean that there is only one bus or one type of bus.
  • the memory 54 may include a volatile memory (English: volatile memory), such as a random access memory (English: random-access memory, abbreviation: RAM); the memory may also include a non-volatile memory (English: non-volatile memory).
  • memory such as flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid-state hard disk (English: solid-state drive, abbreviation: SSD); memory 54 may also include the above types The combination of memory.
  • the processor 51 may be a central processing unit (English: central processing unit, abbreviation: CPU), a network processor (English: network processor, abbreviation: NP), or a combination of CPU and NP.
  • CPU central processing unit
  • NP network processor
  • the processor 51 may further include a hardware chip.
  • the aforementioned hardware chip may be an application-specific integrated circuit (English: application-specific integrated circuit, abbreviation: ASIC), a programmable logic device (English: programmable logic device, abbreviation: PLD) or a combination thereof.
  • the above-mentioned PLD can be a complex programmable logic device (English: complex programmable logic device, abbreviation: CPLD), field programmable logic gate array (English: field-programmable gate array, abbreviation: FPGA), general array logic (English: generic array) logic, abbreviation: GAL) or any combination thereof.
  • the memory 54 is also used to store program instructions.
  • the processor 51 can call program instructions to implement the audio data analysis method as shown in the embodiments of FIGS. 1 to 3 of this application.
  • the embodiment of the present invention also provides a non-transitory computer storage medium, the computer storage medium stores computer-executable instructions, and the computer-executable instructions can execute the audio data analysis method in any of the foregoing method embodiments.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), a random access memory (RAM), a flash memory (Flash Memory), a hard disk (Hard Disk Drive, abbreviation: HDD) or solid-state drive (Solid-State Drive, SSD), etc.; the storage medium may also include a combination of the foregoing types of memories.

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Abstract

L'invention porte sur un procédé d'analyse de données audio, sur un dispositif électronique et sur un support de stockage. Le procédé consiste : à obtenir des données audio cibles et au moins une donnée de spectre de référence (S11) ; à convertir les données audio cibles en données de spectre cible (S12) ; et à afficher des résultats d'analyse des données de spectre cible et de la ou des données de spectre de référence sur une interface d'analyse (S13). Selon le procédé d'analyse de données audio, les données audio cibles sont converties en données de spectre cible après que les données audio cibles sont obtenues et les résultats d'analyse des données de spectre cible et des données de spectre de référence sont affichés sur la même interface d'analyse de telle sorte que des résultats d'analyse visuelle puissent être obtenus, qu'une analyse ultérieure de données par des professionnels soit évitée, et que la plage d'application du dispositif électronique pour exécuter le procédé d'analyse de données audio soit considérablement étendue.
PCT/CN2020/112177 2020-04-24 2020-08-28 Procédé d'analyse de données audio, dispositif électronique et support de stockage WO2021212717A1 (fr)

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CN202010333578.4A CN111710347B (zh) 2020-04-24 2020-04-24 音频数据分析方法、电子设备及存储介质
CN202010333578.4 2020-04-24

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