CN113744765B - POS machine voice broadcast detection method, POS machine voice broadcast detection device and storage medium - Google Patents

POS machine voice broadcast detection method, POS machine voice broadcast detection device and storage medium Download PDF

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CN113744765B
CN113744765B CN202110955669.6A CN202110955669A CN113744765B CN 113744765 B CN113744765 B CN 113744765B CN 202110955669 A CN202110955669 A CN 202110955669A CN 113744765 B CN113744765 B CN 113744765B
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pos machine
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CN113744765A (en
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贺玉艳
孙艳芳
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Shenzhen Xinguodu Co ltd
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Shenzhen Xinguodu Co ltd
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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
    • G10L25/48—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
    • G10L25/60—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 for measuring the quality of voice signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
    • 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

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  • Health & Medical Sciences (AREA)
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  • Computational Linguistics (AREA)
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Abstract

The utility model discloses a POS machine voice broadcast detection method, a POS machine voice broadcast detection device and a storage medium. Belonging to the technical field of voice recognition. According to the POS machine voice broadcast detection method, a control instruction is generated according to the received configured test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle; testing the fixed POS machine to be tested according to the control instruction to obtain voice data output by the POS machine to be tested; analyzing the voice data to generate a voice image; and comparing the voice image with the reference image to obtain a detection report. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.

Description

POS machine voice broadcast detection method, POS machine voice broadcast detection device and storage medium
Technical Field
The utility model relates to the field of voice recognition, in particular to a POS machine voice broadcast detection method, a POS machine voice broadcast detection device and a storage medium.
Background
In the related art, when the POS machine voice broadcast quality is detected, a manual detection mode is mostly adopted, and the detection efficiency is low and the detection precision is poor. Therefore, how to provide a detection method to improve the detection efficiency and the detection precision is a technical problem that needs to be solved at present.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a POS machine voice broadcast detection method which can improve detection efficiency and detection precision.
The utility model further provides a POS machine voice broadcast detection device.
The utility model also proposes a computer readable storage medium.
According to an embodiment of the first aspect of the utility model, the POS machine voice broadcast detection method comprises the following steps:
generating a control instruction according to the received test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
testing the fixed POS machine to be tested according to the control instruction to obtain voice data output by the POS machine to be tested;
analyzing the voice data to generate a voice image;
and comparing the voice image with a reference image to obtain a detection report.
The POS machine voice broadcast detection method provided by the embodiment of the utility model has at least the following beneficial effects: the method comprises the steps of configuring required test parameters, generating corresponding control instructions, and detecting voice data in different directions, different angles and different areas of the POS machine according to the control instructions. And generating a voice image according to the acquired voice data, and analyzing and comparing the voice image with a reference image to obtain a detection report about the voice broadcasting quality of the POS machine. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
According to some embodiments of the utility model, before generating the control instruction according to the received test parameter, the method further includes:
and fixing the POS machine to be tested to a target position.
According to some embodiments of the utility model, before generating the control instruction according to the received test parameter, the method further includes:
collecting environmental parameters, wherein the environmental parameters comprise environmental noise;
and eliminating the environmental noise.
According to some embodiments of the present utility model, the testing the fixed POS machine to be tested according to the control instruction, to obtain the voice data output by the POS machine to be tested, includes:
determining the number of sampling points and sampling positions according to the area of the test area, the test azimuth and the test angle;
and sampling is carried out at each sampling point according to an over-frequency mode, so that voice data output by the POS machine to be tested is obtained.
According to some embodiments of the utility model, the voice image includes an audio waveform diagram and an audio spectrogram, the reference image includes a reference waveform diagram and a reference spectrogram, and the comparing the voice image and the reference image to obtain the detection report includes:
comparing the audio waveform diagram with a reference waveform diagram to obtain first comparison data;
comparing the audio spectrogram with the reference spectrogram to obtain second comparison data;
and obtaining the detection report according to the first comparison data and the second comparison data.
According to a second aspect of the present utility model, a POS machine voice broadcast detection device includes:
the control module is used for generating a control instruction according to the received test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
the control module is used for generating a control instruction according to the received test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
the communication module is respectively connected with the control module and the detection module;
the detection module is connected with the communication module and is used for receiving the control instruction through the communication module and testing the fixed POS machine to be tested according to the received control instruction to obtain voice data output by the POS machine to be tested;
the control module is also used for receiving the voice data through the communication module, analyzing the voice data and generating a voice image; and comparing the voice image with a reference image to obtain the detection report.
The POS machine voice broadcast detection device provided by the embodiment of the utility model has at least the following beneficial effects: the required test parameters are configured through the control module, corresponding control instructions are generated, and the detection module detects voice data in different directions, different angles and different areas of the POS machine according to the control instructions. The control module generates a voice image according to the acquired voice data, and analyzes and compares the voice image with a reference image to obtain a detection report about the voice broadcasting quality of the POS machine. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
According to some embodiments of the utility model, the detection module comprises:
a fixing unit; the fixing unit is used for fixing the POS machine to be tested to a target position;
the audio acquisition unit is used for testing the fixed POS machine to be tested according to the received control instruction to obtain voice data output by the POS machine to be tested;
the motion unit is respectively connected with the communication module, the audio acquisition unit and the fixing unit, and is used for acquiring the number of sampling points and sampling positions through the communication module and controlling the audio acquisition unit to sample at each sampling point of the POS machine to be tested so as to obtain the voice data.
According to some embodiments of the utility model, the control module further comprises a display unit for receiving and displaying the detection report.
According to some embodiments of the utility model, the communication module comprises:
the communication serial port is respectively connected with the control module and the motion unit of the detection module and is used for communication interaction between the control module and the detection module through the communication serial port by a preset communication protocol.
According to an embodiment of the third aspect of the present utility model, a computer readable storage medium stores computer executable instructions, which can be used in the method for detecting voice broadcast of a POS machine according to any one of the first aspect of the present embodiment.
The computer-readable storage medium according to the embodiment of the utility model has at least the following advantageous effects: the computer readable storage medium can store the POS machine voice broadcast detection method according to the first aspect of the utility model, and the voice data in different directions, different angles and different areas of the POS machine can be detected according to the control instructions by configuring the required test parameters and generating the corresponding control instructions. And generating a voice image according to the acquired voice data, and analyzing and comparing the voice image with a reference image to obtain a detection report about the voice broadcasting quality of the POS machine. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flowchart of a POS machine voice broadcast detection method according to an embodiment of the utility model;
FIG. 2 is a flowchart of a POS machine voice broadcast detection method according to an embodiment of the present utility model;
FIG. 3 is a flowchart of step S200 in FIG. 1;
FIG. 4 is a flowchart of step S400 in FIG. 1;
fig. 5 is a schematic structural diagram of a voice broadcast monitoring device of a POS machine according to an embodiment of the utility model;
fig. 6 is a schematic structural diagram of the detection module in fig. 5.
Reference numerals: 100. a control module; a 200 communication module; 300. a detection module; 310. a fixing unit; 320. a movement unit; 330. and an audio acquisition unit.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In a first aspect, referring to fig. 1, an embodiment of the present utility model provides a method for detecting voice broadcast of a POS machine, including:
s100, generating a control instruction according to the received configured test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
s200, testing the fixed POS machine to be tested according to the control instruction to obtain voice data output by the POS machine to be tested;
s300, analyzing the voice data to generate a voice image;
s400, comparing the voice image with the reference image to obtain a detection report.
In the method for detecting the voice broadcasting of the POS machine, firstly, required test parameters are configured, corresponding control instructions are generated according to the test parameter configuration requirements, and voice broadcasting information in different directions, different angles and different areas of the POS machine to be detected is detected according to the control instructions. And generating a voice image according to the acquired voice broadcasting information, and analyzing and comparing the voice image with a reference image to obtain a detection report about the POS machine voice broadcasting quality. Specifically, for different configuration parameters, different voice data of the POS machine to be tested can be tested according to the different configuration parameters. For example, the number of sampling points, such as 4, 8, 16, etc., may be preconfigured, and the sampling orientation of each sampling point may be determined, such as covering the POS machine under test in a manner of 4 faces, 8 square corners. And then carrying out multi-layer coverage on the POS machine to be tested according to the determined distance values so as to acquire the required voice data. Corresponding voice data are collected through outputting a control instruction containing specific configuration parameters, the obtained voice data are processed, acoustic indexes (including distortion degree, peak-peak value and the like) corresponding to the voice data are compared, and a voice broadcast detection report is generated according to a comparison result. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
It should be noted that the number of preconfigured sampling points and the selection manner of sampling orientations (including the number of sampling planes and sampling square angles) may be determined according to practical situations, and are not limited thereto. The present utility model is not limited thereto.
In some embodiments, prior to step S100, further comprising:
and fixing the POS machine to be tested to the target position.
The POS machine to be detected is fixed to the target position, so that initial condition values in each detection process are the same, and initial states of the detection process are unified, so that detection accuracy and detection quality are improved. The target position of the POS machine to be measured may be adjusted according to the actual situation, for example, the target position may be a center position of the detecting device. In addition, the method can also reset the POS machine to be tested which is not accurately fixed to the target position, so that the POS machine to be tested is fixed to the target position.
Referring to fig. 2, in some embodiments, before step S100, further includes:
s500, collecting environmental parameters, wherein the environmental parameters comprise environmental noise;
s510, performing elimination processing on the environmental noise.
In order to improve the detection accuracy, the environmental parameters of the surrounding environment are acquired before the test parameters are received, the environmental noise of the environmental parameters is extracted, and the environmental noise is eliminated. The method can effectively reduce the influence of environmental noise on the received voice data, thereby reducing analysis errors in the process of analyzing and processing the voice data and improving the detection precision of the POS machine voice data.
Referring to fig. 3, in some embodiments, step S200 includes:
s210, determining the number of sampling points and sampling positions according to the area of the test area, the test azimuth and the test angle;
s220, sampling is carried out at each sampling point according to the over-frequency mode, and voice data output by the POS machine to be tested are obtained.
The sampling mode in the detection method can be determined through the information such as the test area, the test azimuth and the test angle in the pre-configured test parameters, including confirming the angle required to be tested, the number and the position of required sampling points and the like. And performing over-frequency sampling on each sampling point in an over-frequency mode to acquire voice data output by the POS machine to be tested. The voice data information acquired by the method is sufficient, the voice broadcasting information of the POS machine to be detected can be provided completely, the quality of the voice data is better analyzed, the voice data with high quality is obtained, and the detection precision is improved.
It will be appreciated that the sampling of the sampling points by the over-clocking method is to obtain higher accuracy voice data, and in other embodiments, sampling by other sampling methods capable of obtaining higher accuracy voice data may be used, but is not limited thereto.
Referring to fig. 4, in some embodiments, the voice image includes an audio waveform map, an audio spectrogram, the reference image includes a reference waveform map, and the reference spectrogram step S400 includes:
s410, comparing the audio waveform diagram with a reference waveform diagram to obtain first comparison data;
s420, comparing the audio spectrogram with a reference spectrogram to obtain second comparison data;
s430, obtaining a detection report according to the first comparison data and the second comparison data.
In the process of acquiring the detection report, firstly, processing and generating a voice image according to the acquired voice data, wherein the voice image comprises an audio waveform diagram and an audio spectrogram. Correspondingly, the reference image comprises a reference waveform diagram and a reference spectrogram. The reference waveform diagram and the reference spectrogram record standard information of the POS machine voice broadcasting, and difference information between the POS machine voice broadcasting information and the POS machine standard information can be obtained by comparing the audio waveform diagram with the reference waveform diagram and comparing the audio spectrogram with the reference spectrogram, wherein the difference information comprises a difference value, a peak signal difference, a distortion degree and the like between the voice broadcasting information and the standard information; and carrying out quantization processing according to the acquired difference information, generating a quality score report, and generating a final detection report according to the quality score report. By processing and quantifying the voice data, a detection report is generated to improve visibility. The method can more conveniently determine the voice broadcasting quality of the POS machine, and can reflect the difference condition between the voice broadcasting information through the comparison of the voice information and the standard information.
In a second aspect, referring to fig. 5, an embodiment of the present utility model provides a POS machine voice broadcast detection device, including a control module 100, a communication module 200, and a detection module 300; the control module 100 is configured to generate a control instruction according to the received test parameters, where the test parameters include a test area, a test azimuth, and a test angle; the communication module 200 is respectively connected with the control module 100 and the detection module 300; the detection module 300 is connected with the communication module 200, and the detection module 300 is used for receiving a control instruction through the communication module 200, and testing the fixed POS machine to be tested according to the received control instruction to obtain voice data output by the POS machine to be tested; the control module 100 is further configured to receive voice data through the communication module 200, analyze the voice data, and generate a voice image; and comparing the voice image with the reference image to obtain a detection report. In the POS machine voice broadcast detection method, the control module 100 firstly configures the required test parameters, the detection module 300 generates corresponding control instructions according to the test parameter configuration requirements, and voice broadcast information in different directions, different angles and different areas of the POS machine to be detected is detected according to the control instructions. The control module 100 generates a voice image according to the acquired voice broadcasting information, and analyzes and compares the voice image with a reference image to obtain a detection report about the POS machine voice broadcasting quality. Specifically, for different configuration parameters, different voice data of the POS machine to be tested can be tested according to the different configuration parameters. For example, the number of sampling points, such as 4, 8, 16, etc., may be preconfigured, and the sampling orientation of each sampling point may be determined, such as covering the POS machine under test in a manner of 4 faces, 8 square corners. And then carrying out multi-layer coverage on the POS machine to be tested according to the determined distance values so as to acquire the required voice data. And acquiring corresponding voice data by outputting a control instruction containing specific configuration parameters, processing the acquired voice data, comparing acoustic indexes corresponding to the voice data, and generating a voice broadcast detection report according to a comparison result. The device realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
Referring to fig. 6, in some embodiments, the detection module 300 includes a fixed unit 310, an audio acquisition unit 330, and a motion unit 320. The fixing unit 310 is used for fixing the POS machine to be tested to a target position; the audio collection unit 330 is configured to test the fixed POS machine to be tested according to the received control instruction, so as to obtain voice data output by the POS machine to be tested; the motion unit 320 is respectively connected to the communication module 200, the audio acquisition unit 330 and the fixing unit 310, and the motion unit 320 is configured to obtain the number of sampling points and sampling positions through the communication module 200, and is further configured to control the audio acquisition unit 330 to sample at each sampling point of the POS machine to be tested so as to obtain voice data.
In some embodiments, the fixing unit 310 is configured to fix an initial position of the POS device and perform a reset operation on the POS device. Wherein, the initial position in the reset operation can be adjusted, and is not limited. The audio acquisition unit 330 includes at least one set of high performance audio acquisition heads, through which audio acquisition unit 330 the desired audio signals can be collected and stored in an audio format such as WAV. The motion unit 320 is respectively connected with the communication module 200, the audio acquisition unit 330 and the fixing unit 310, the motion unit 320 comprises at least one group of mechanical arms, and the mechanical arms can stretch and retract and can also move according to a control instruction received by the communication module 200 so as to control the motion of the audio acquisition module, thereby realizing the control of sampling points, sampling frequency and sampling azimuth. The motion unit 320 can also control the reset operation of the fixed unit 310 on the POS machine through the control instruction received by the communication module 200. According to the detection device, voice data of different sampling points, sampling frequencies and sampling directions are collected according to the received control instruction, and the collected data are stored and transmitted, so that the complete collection of the POS machine voice broadcasting data is realized, and the detection precision is improved.
In some embodiments, the control module 100 further comprises a display unit for receiving and displaying the detection report. The generated detection report can be directly displayed through the display unit, so that the visibility of the detection result is improved, the extra steps for acquiring and representing the detection result in the conventional detection process are reduced, and the detection efficiency is improved.
In some embodiments, the communication module 200 includes a communication serial port, where the communication serial port is respectively connected to the motion units 320 of the control module 100 and the detection module 300, and is used for the control module 100 and the detection module 300 to perform communication interaction with a preset communication protocol through the communication serial port. When the control module 100 and the detection module 300 perform communication interaction, a more flexible communication interaction mode can be realized by presetting communication serial ports of different communication protocols through the control module 100. The user can realize communication interaction between the control module 100 and the detection module 300 by changing corresponding communication protocols aiming at different data formats and different control instruction formats, so that the detection efficiency is improved, and the application range of the detection device is enlarged.
In a third aspect, embodiments of the present utility model provide a computer-readable storage medium, where the computer-readable storage medium according to the embodiments of the present utility model has at least the following advantages: the computer readable storage medium stores the POS machine voice broadcast detection method according to the first aspect of the utility model, and the method comprises the steps of configuring required test parameters, generating corresponding control instructions, and detecting voice data in different directions, different angles and different areas of the POS machine according to the control instructions. And generating a voice image according to the acquired voice data, and analyzing and comparing the voice image with a reference image to obtain a detection report about the voice broadcasting quality of the POS machine. The method realizes the automation of the detection process and improves the detection efficiency. Meanwhile, detection accuracy is improved by detecting different orientations, different angles and different areas of the POS machine.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (9)

  1. The POS machine voice broadcast detection method is characterized by comprising the following steps:
    generating a control instruction according to the received test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
    testing the fixed POS machine to be tested according to the control instruction to obtain voice data output by the POS machine to be tested; wherein the voice data is obtained by: determining the number of sampling points and sampling positions according to the area of the test area, the test azimuth and the test angle; sampling is carried out at each sampling point according to an over-frequency mode, and voice data output by the POS machine to be tested are obtained;
    analyzing the voice data to generate a voice image;
    and comparing the voice image with a reference image to obtain a detection report.
  2. 2. The method for detecting voice broadcast of a POS machine according to claim 1, wherein before generating the control command according to the received test parameter, the method further comprises:
    and fixing the POS machine to be tested to a target position.
  3. 3. The method for detecting voice broadcast of a POS machine according to claim 1, wherein before generating the control command according to the received test parameter, the method further comprises:
    collecting environmental parameters, wherein the environmental parameters comprise environmental noise;
    and eliminating the environmental noise.
  4. 4. The method for detecting voice broadcast of a POS machine according to any one of claims 1 to 3, wherein the voice image includes an audio waveform diagram and an audio spectrogram, the reference image includes a reference waveform diagram and a reference spectrogram, and the comparing the voice image with the reference image to obtain the detection report includes:
    comparing the audio waveform diagram with a reference waveform diagram to obtain first comparison data;
    comparing the audio spectrogram with the reference spectrogram to obtain second comparison data;
    and obtaining the detection report according to the first comparison data and the second comparison data.
  5. POS machine voice broadcast detection device, its characterized in that includes:
    the control module is used for generating a control instruction according to the received test parameters, wherein the test parameters comprise a test area, a test azimuth and a test angle;
    the communication module is respectively connected with the control module and the detection module;
    the detection module is connected with the communication module and is used for receiving the control instruction through the communication module and testing the fixed POS machine to be tested according to the received control instruction to obtain voice data output by the POS machine to be tested; wherein the voice data is obtained by: determining the number of sampling points and sampling positions according to the area of the test area, the test azimuth and the test angle; sampling is carried out at each sampling point according to an over-frequency mode, and voice data output by the POS machine to be tested are obtained;
    the control module is also used for receiving the voice data through the communication module, analyzing the voice data and generating a voice image; and comparing the voice image with a reference image to obtain a detection report.
  6. 6. The POS machine voice broadcast detection device of claim 5, wherein the detection module comprises:
    a fixing unit; the fixing unit is used for fixing the POS machine to be tested to a target position;
    the audio acquisition unit is used for testing the fixed POS machine to be tested according to the received control instruction to obtain voice data output by the POS machine to be tested;
    the motion unit is respectively connected with the communication module, the audio acquisition unit and the fixing unit, and is used for acquiring the number of sampling points and sampling positions through the communication module and controlling the audio acquisition unit to sample at each sampling point of the POS machine to be tested so as to obtain the voice data.
  7. 7. The POS machine voice broadcast detection device of claim 5, wherein the control module further comprises a display unit, the display unit configured to receive and display the detection report.
  8. 8. The POS machine voice broadcast detection device of claim 5, wherein the communication module comprises:
    the communication serial port is respectively connected with the control module and the motion unit of the detection module and is used for communication interaction between the control module and the detection module through the communication serial port by a preset communication protocol.
  9. 9. A computer readable storage medium storing computer executable instructions operable to perform the POS machine voice broadcast detection method according to any one of claims 1 to 4.
CN202110955669.6A 2021-08-19 2021-08-19 POS machine voice broadcast detection method, POS machine voice broadcast detection device and storage medium Active CN113744765B (en)

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