WO2017041543A1

WO2017041543A1 - Audio file playing method and apparatus

Info

Publication number: WO2017041543A1
Application number: PCT/CN2016/084422
Authority: WO
Inventors: 胡佳文; 王云华
Original assignee: 深圳Tcl数字技术有限公司
Priority date: 2015-09-11
Filing date: 2016-06-02
Publication date: 2017-03-16
Also published as: CN105208439B; CN105208439A

Abstract

Disclosed is an audio file playing method. The audio file playing method comprises the following steps: when a playing instruction is received, acquiring an audio file corresponding to the instruction; determining, according to the audio file, unit time for displaying each audio picture, and acquiring the audio picture corresponding to the audio file from a picture library; and playing the audio file, and displaying the audio pictures according to the unit time one by one. Also disclosed is an audio file playing apparatus. The present invention achieves automatic acquisition of an audio picture in an audio playing process and real-time automatic switching display according to playing of an audio file, such that music playing is no longer monotonous, and the user experience is improved.

Description

Audio file playing method and device

Technical field

The present invention relates to the field of smart televisions, and in particular, to an audio file playing method and apparatus.

Background technique

At present, with the rapid development of smart TV and terminal technology, the interaction between mobile terminals and smart TVs is increasing. In particular, the mobile phone plays music to the TV, and the TV can see larger music subtitles, larger posters, and more beautiful music. However, during the time when a song is played, the image displayed by the smart TV does not change, which makes the user feel very boring, not only the user experience is not good, but also feels that the process of playing music is monotonous and has no new ideas.

For example: Xiao Liu likes to listen to music on the TV side. He picks up the mobile phone and pushes the music to the TV. He likes Wang Feng’s songs and also likes Wang Feng’s poster. Within 5 minutes of playing the song, there is no change in the TV screen. Monotonous The display of a picture on the TV screen makes the user feel very monotonous.

Therefore, in the process of audio playback of the existing smart TV, the corresponding picture cannot be automatically obtained for display, and the problem in this aspect needs to be solved by the inventor.

The above content is only used to assist in understanding the technical solutions of the present invention, and does not constitute an admission that the above is prior art.

Summary of the invention

The main object of the present invention is to solve the problem that the related pictures cannot be automatically acquired and automatically switched and displayed during the audio playback process of the existing smart TV.

To achieve the above objective, the present invention provides an audio file playing method, and the audio file playing method includes the following steps:

Obtaining, by the mobile terminal, an audio file corresponding to the play instruction, and saving the audio file in a buffer, where the play instruction is triggered by the mobile terminal;

Obtaining a file type of the audio file, and determining a unit time displayed by each audio picture corresponding to the file type;

Obtaining a total playing time of the audio file, and dividing the total playing time by the unit time to calculate the number n of the audio pictures;

Obtaining a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as the audio picture;

Playing the audio file and displaying the audio picture one by one according to the unit time.

Preferably, the step of acquiring the file type of the audio file and determining the unit time displayed by each audio picture corresponding to the file type comprises:

Obtaining a file type of the audio file;

Determining a corresponding audio sampling frequency and a sample number of samples per frame of audio according to the file type;

Dividing the number of sampled samples of each frame of audio by the sampling frequency to calculate a play time of each frame of audio;

The unit time displayed by each audio picture is determined according to the play time of each frame of audio.

Preferably, the sampling frequency is the number of times the sound wave amplitude sample is extracted per second when the analog sound waveform is digitized.

Preferably, the step of acquiring a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as the audio picture includes:

Obtaining a file name of the audio file, and searching for a picture corresponding to the file name from the picture library;

Sort the found images by resolution;

Acquiring the resolution of the audio picture display area, and extracting the first n pictures as the audio picture from the picture less than or equal to the resolution of the display area.

Preferably, before the step of acquiring the audio file corresponding to the instruction when the play instruction is received, the method further includes:

Configure a photo gallery with audio images in the cloud server.

In addition, in order to achieve the above object, the present invention provides an audio file playing method, and the audio file playing method includes the following steps:

Acquiring an audio file corresponding to the instruction when receiving the play instruction;

Determining, according to the audio file, a unit time displayed by each audio picture, and acquiring an audio picture corresponding to the audio file from a picture library;

Preferably, the step of determining, according to the audio file, the unit time displayed by each audio picture, and acquiring the audio picture corresponding to the audio file from the picture library comprises:

Obtaining a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as the audio picture.

Preferably, the step of acquiring the file type of the audio file and determining the unit time displayed by each audio picture corresponding to the file type includes:

Obtaining a file type of the audio file;

Preferably, the sampling frequency is a number of times the sound wave amplitude sample is extracted every second when the analog sound waveform is digitized.

Sort the found images by resolution;

Configure a photo gallery with audio images in the cloud server.

Preferably, the step of acquiring the audio file corresponding to the instruction when the play instruction is received includes:

When receiving the play instruction, the audio file corresponding to the play instruction is acquired from the mobile terminal, and the audio file is saved in a cache, and the play instruction is triggered by the mobile terminal.

In addition, in order to achieve the above object, the present invention further provides an audio file playing device, where the audio file playing device includes:

a receiving module, configured to acquire an audio file corresponding to the instruction when receiving a play instruction;

a processing module, configured to determine, according to the audio file, a unit time displayed by each audio picture, and obtain an audio picture corresponding to the audio file from a picture library;

a playing module, configured to play the audio file, and display the audio picture one by one according to the unit time

Preferably, the processing module includes an audio processing unit and a picture processing unit;

The audio processing unit is configured to acquire a file type of the audio file, and determine a unit time displayed by each audio picture corresponding to the file type;

The audio processing unit is further configured to acquire a total playing time of the audio file, and divide the total playing time by the unit time to calculate a number n of the audio picture;

The picture processing unit is configured to obtain a file name of the audio file, search for a picture corresponding to the file name from the picture library, and filter out n pictures as the audio picture.

Preferably, the audio processing unit includes an acquisition subunit, a determination subunit, and a calculation subunit;

The obtaining subunit is configured to acquire a file type of the audio file;

The determining subunit is configured to determine, according to the file type, a corresponding audio sampling frequency and a sampling sample number of each frame of audio;

The calculating subunit is configured to divide the sampling sample number of each frame of audio by the sampling frequency, and calculate a playing time of each frame of audio;

The determining subunit is configured to determine a unit time displayed by each audio picture according to the playing time of the audio of each frame.

Preferably, the picture processing unit includes a lookup subunit, a sorting subunit, and a screening subunit;

The search subunit is configured to acquire a file name of the audio file, and search for a picture corresponding to the file name from the picture library;

The sorting subunit is configured to sort the found pictures by resolution;

The screening subunit is configured to obtain a resolution of an audio picture display area, and filter out the first n pictures as the audio picture from a picture that is less than or equal to the resolution of the display area.

Preferably, the audio file playing device further includes a configuration module;

The configuration module is configured to configure a photo library containing an audio picture in the cloud server.

Preferably, the acquiring module is further configured to: when receiving a play instruction, acquire an audio file corresponding to the play instruction from a mobile terminal, and save the audio file in a cache, where the play instruction is moved by the mobile terminal Terminal triggering.

When playing an audio file, the invention automatically obtains a corresponding audio picture from the picture library, and calculates a unit time of each audio picture display, and displays the audio picture one by one according to the unit time during the process of playing the audio file, thereby realizing the audio. The audio picture is automatically obtained during playback, and the display is automatically switched in real time according to the playing of the audio file, so that the music playing is no longer monotonous, which improves the user experience.

DRAWINGS

1 is a schematic flow chart of a first embodiment of an audio file playing method according to the present invention;

2 is a schematic flow chart of a second embodiment of an audio file playing method according to the present invention;

3 is a schematic flowchart of a third embodiment of an audio file playing method according to the present invention;

4 is a schematic flowchart diagram of a fourth embodiment of an audio file playing method according to the present invention;

FIG. 5 is a schematic diagram of functional modules of a first embodiment of an audio file playing device according to the present invention; FIG.

6 is a schematic diagram of functional modules of a second embodiment of an audio file playback apparatus according to the present invention;

FIG. 7 is a schematic diagram of functional modules of a third embodiment of an audio file playing device according to the present invention; FIG.

FIG. 8 is a schematic diagram of functional modules of a fourth embodiment of an audio file playback apparatus according to the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The main solution of the embodiment of the present invention is: acquiring an audio file corresponding to the instruction when receiving the play instruction; determining a unit time of each audio picture display according to the audio file, and acquiring the audio from the picture library An audio picture corresponding to the file; playing the audio file, and displaying the audio picture one by one according to the unit time.

In the process of audio playback of the existing smart TV, it is impossible to automatically acquire related pictures and perform automatic switching display.

Based on the above problems, the present invention provides an audio file playing method.

Referring to FIG. 1, FIG. 1 is a schematic flowchart diagram of a first embodiment of an audio file playing method according to the present invention.

In this embodiment, the audio file playing method includes:

Step S10, when receiving a play instruction, acquiring an audio file corresponding to the instruction;

When the smart TV receives the audio play instruction, the audio file corresponding to the instruction is acquired, so that the corresponding audio picture is automatically obtained from the picture library according to the audio file, and the unit time of each audio picture is calculated, and the audio is played. The audio picture is displayed one by one according to the unit time in the file process.

Preferably, in the smart television system, a communication connection between the smart TV and the mobile terminal can be established, and an audio play instruction is triggered by the mobile terminal, and when the smart television receives an audio play instruction from the mobile terminal, The communication connection acquires an audio file corresponding to the instruction from the mobile terminal, and saves the audio file in a cache of the smart TV. The mobile terminal may be, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA Terminals (personal digital assistants), PADs (tablets), PMPs (portable multimedia players), navigation devices, and the like.

Step S20, determining a unit time displayed by each audio picture according to the audio file, and acquiring an audio picture corresponding to the audio file from the picture library;

The smart television determines a unit time for each audio picture display based on the acquired audio file. The unit time displayed by each of the audio pictures is used to display the audio picture one by one according to the unit time when the audio file is played. The unit time displayed by each of the audio pictures may be a preset time parameter, for example, it may be set to display 2 seconds for each audio picture, and the total playing time of the audio file is obtained for 10 seconds, and then the displayed audio picture is determined. The number of sheets is five, and five corresponding audio pictures are obtained from the picture library, and the five audio pictures are displayed one by one according to the speed of each audio picture display for 2 seconds.

Alternatively, the file type of the audio file may also be acquired, and the unit time displayed by each audio picture corresponding to the file type may be determined. For example, the audio picture of the MP3 format audio file display unit time is set to 2.6 seconds, that is, each audio picture is displayed after 2.6 seconds and then switched to the next audio picture; the audio time of the AAC format audio file is set to the unit time set to 2.2 seconds, that is, each audio picture is displayed 2.2 seconds after switching to the next audio picture.

The smart TV acquires an audio picture corresponding to the audio file from a picture library. The audio picture corresponding to the audio file is a picture related to the audio file content, for example, the audio picture may be a poster corresponding to the audio file, or a picture of a singer corresponding to the audio file, and the like.

The picture library may be a picture library containing an audio picture pre-configured in the smart TV, or the picture library may also be a picture containing an audio picture pre-configured in a server communicatively connected to the smart television. Library.

Further, before the step S10, the image library containing the audio picture may be configured in the cloud server. Acquiring an audio image corresponding to the audio file from the picture library.

Step S30, playing the audio file, and displaying the audio picture one by one according to the unit time.

When the smart TV plays the audio file, the audio picture is displayed in the display area according to the unit time displayed by each audio picture, and each audio picture display unit time is switched to the next audio picture until The audio file playback ends.

In the embodiment, when the audio file is played, the corresponding audio picture is automatically obtained from the picture library, and the unit time of each audio picture is calculated, and the audio picture is displayed one by one according to the unit time during the process of playing the audio file, thereby realizing The audio picture is automatically obtained during the audio playback process, and the display is automatically switched in real time according to the playing of the audio file, so that the music playing is no longer monotonous, which improves the user experience.

Referring to FIG. 2, FIG. 2 is a schematic flowchart diagram of a second embodiment of an audio file playing method according to the present invention. Based on the first embodiment of the audio file playing method, the step S20 includes:

Step S21: Obtain a file type of the audio file, and determine a unit time displayed by each audio picture corresponding to the file type;

The smart TV may determine a unit time of each corresponding audio picture display according to the file type by acquiring a file type of the audio file. Calculating the number of sheets of the audio picture according to the unit time displayed according to the each audio picture, and displaying the audio picture one by one according to the unit time displayed by each of the audio pictures.

Step S22, acquiring the total playing time of the audio file, and dividing the total playing time by the unit time to calculate the number n of the audio picture;

The smart TV may acquire the total playing time of the audio file, and divide the total playing time by the unit time to calculate the number n of the audio pictures to obtain a corresponding number according to the number of the audio pictures. The number of audio pictures.

Step S23: Obtain a file name of the audio file, search for a picture corresponding to the file name from the picture library, and filter out n pictures as the audio picture.

The smart TV acquires a file name of the audio file, searches for a picture corresponding to the file name from the picture library, and filters out n pictures as the audio picture.

In the embodiment, when the audio file is played, the unit time displayed by each audio picture is determined according to the file type of the audio file, so that the audio picture is displayed according to the unit time. And calculating the number of sheets of the audio picture according to the total playing time of the audio file, to obtain an audio picture corresponding to the number of sheets. And obtaining an audio picture from the picture library according to the file name of the audio file, realizing automatic acquisition of the audio picture during the audio playing process, and automatically switching the display according to the playing of the audio file in real time, so that the music playing is no longer monotonous, thereby improving the user experience.

Referring to FIG. 3, FIG. 3 is a schematic flowchart diagram of a third embodiment of an audio file playing method according to the present invention. Based on the first embodiment of the audio file playing method, the step S21 includes:

Step S210: Obtain a file type of the audio file.

Step S211, determining a corresponding audio sampling frequency and a sample number of samples of each frame of audio according to the file type;

Step S212, dividing the number of sampled samples of each frame of audio by the sampling frequency, and calculating a play time of each frame of audio;

Step S213, determining a unit time displayed by each audio picture according to the playing time of each frame of audio.

And acquiring, by the smart TV, a file type of the audio file; determining, according to the file type, a sampling frequency of the corresponding audio decoding and a sampling sample number of each frame of audio; dividing the sampling sample number of each frame of audio by the sampling Frequency, calculate the playing time of each frame of audio; determine the unit time displayed by each audio picture according to the playing time of each frame of audio. The sampling frequency is a number of times of sampling the sound wave amplitude per second when digitizing the analog sound waveform, and the number of sampled samples per frame of audio/sampling frequency = the playing time of each frame of audio.

For example, if the file type of the audio file is MP3 format, it is determined that the sampling frequency of the corresponding audio decoding is 44.1. kHz (that is, the number of sampled samples per second is 44100), and the number of sampled samples corresponding to each frame of audio is determined to be 1152. According to: the number of sampled samples per frame of audio/sampling frequency = the playing time of each frame of audio, each frame is calculated. The audio playback time is 0.026 seconds, and 100 times of the playback time of each frame of audio is used as the unit time for each audio picture display, that is, each audio picture is displayed for 2.6 seconds.

Or, if the file type of the audio file is AAC format, determine that the sampling frequency of the corresponding audio decoding is 44.1. kHz (that is, the number of sampled samples per second is 44100), and the number of sampled samples corresponding to each frame of audio is determined to be 1024. According to: the number of sampled samples per frame of audio/sampling frequency = the playing time of each frame of audio, each frame is calculated. The audio playback time is 0.022 seconds, and 100 times of the playback time of each frame of audio is used as the unit time for each audio picture display, that is, each audio picture is displayed for 2.2 seconds.

In the embodiment, when the audio file is played, the corresponding audio sampling frequency and the sampled sample number of each frame of audio are determined according to the file type of the audio file, and the playing time of each frame of audio is calculated, and each piece is determined according to the playing time of each frame of audio. The unit time of the audio picture display. The audio picture can automatically switch the audio picture according to the playing speed of the audio file during the playing process, so that the music playing is no longer monotonous, which improves the user experience.

Referring to FIG. 4, FIG. 4 is a schematic flowchart diagram of a fourth embodiment of an audio file playing method according to the present invention. Based on the first embodiment of the audio file playing method, the step S23 includes:

Step S230, acquiring a file name of the audio file, and searching for a picture corresponding to the file name from the picture library;

Step S231, sorting the found pictures by resolution;

Step S232: Acquire a resolution of an audio picture display area, and filter out the first n pictures as the audio picture from a picture that is less than or equal to the resolution of the display area.

The smart TV acquires a file name of the audio file, searches for a picture corresponding to the file name from the picture library, sorts the searched picture by resolution, and obtains a resolution of the audio picture display area, A picture smaller than or equal to the resolution of the display area is obtained in the found picture, and the first n pictures with the largest resolution are selected as the audio picture. Preferably, the found pictures can be sorted according to the resolution from large to small.

In this embodiment, when playing an audio file, the corresponding picture is searched from the picture library according to the file name of the audio file, and the searched picture is filtered according to the resolution of the audio picture display area, and the most suitable current display area is selected. The audio picture makes the audio picture display clearer and improves the user experience.

The execution bodies of the audio file playing methods of the first to fourth embodiments described above may each be a smart television or an audio playback device disposed in the smart television. Still further, the audio file playing method may be implemented by an audio file playing program installed on a smart TV or an audio playing device disposed in the smart television.

The invention further provides an audio file playback device.

Referring to FIG. 5, FIG. 5 is a schematic diagram of functional modules of a first embodiment of an audio file playback apparatus according to the present invention.

In this embodiment, the audio file playing device includes: a receiving module 10, a processing module 20, and a playing module 30.

The receiving module 10 is configured to acquire an audio file corresponding to the instruction when receiving the play instruction;

The processing module 20 is configured to determine, according to the audio file, a unit time displayed by each audio picture, and obtain an audio picture corresponding to the audio file from a picture library;

Further, the audio file playing device further includes a configuration module, and the configuration module is configured to configure a photo library containing the audio picture in the cloud server. Acquiring an audio image corresponding to the audio file from the picture library.

a playing module 30, configured to play the audio file, and display the audio picture one by one according to the unit time

Referring to FIG. 6, FIG. 6 is a schematic diagram of functional modules of a second embodiment of the apparatus of the present invention. Based on the first embodiment of the audio file playing device, the processing module 20 includes an audio processing unit 21 and a picture processing unit 22;

The audio processing unit 21 is configured to acquire a file type of the audio file, and determine a unit time displayed by each audio picture corresponding to the file type;

The audio processing unit 21 is further configured to acquire a total playing time of the audio file, and divide the total playing time by the unit time to calculate the number n of the audio pictures;

The image processing unit 22 is configured to acquire a file name of the audio file, search for a picture corresponding to the file name from the picture library, and filter out n pictures as the audio picture.

Referring to FIG. 7, FIG. 7 is a schematic diagram of functional modules of a third embodiment of the apparatus of the present invention. The audio processing unit 21 includes an acquisition subunit 210, a determination subunit 211, and a calculation subunit 212, based on the first embodiment of the audio file playback apparatus described above;

The obtaining subunit 210 is configured to acquire a file type of the audio file.

The determining subunit 211 is configured to determine, according to the file type, a corresponding audio sampling frequency and a sample number of samples of each frame of audio;

The calculating subunit 212 is configured to divide the number of sampled samples of each frame of audio by the sampling frequency, and calculate a playing time of each frame of audio;

The determining subunit 211 is configured to determine a unit time displayed by each audio picture according to the playing time of the audio of each frame.

Referring to FIG. 8, FIG. 8 is a schematic diagram of functional modules of a fourth embodiment of the apparatus of the present invention. The image processing unit 22 includes a lookup subunit 220, a sorting subunit 221, and a screening subunit 222, based on the first embodiment of the audio file playing apparatus.

The searching sub-unit 220 is configured to acquire a file name of the audio file, and search for a picture corresponding to the file name from the picture library;

The sorting sub-unit 221 is configured to sort the found pictures by resolution;

The filtering sub-unit 222 is configured to obtain a resolution of an audio picture display area, and filter out the first n pictures as the audio picture from a picture that is less than or equal to the resolution of the display area.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better. Implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

An audio file playing method, characterized in that the audio file playing method comprises the following steps:

Obtaining, by the mobile terminal, an audio file corresponding to the play instruction, and saving the audio file in a buffer, where the play instruction is triggered by the mobile terminal;

Obtaining a file type of the audio file, and determining a unit time displayed by each audio picture corresponding to the file type;

Obtaining a total playing time of the audio file, and dividing the total playing time by the unit time to calculate the number n of the audio pictures;

Obtaining a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as the audio picture;

Playing the audio file and displaying the audio picture one by one according to the unit time.
The audio file playing method according to claim 1, wherein the step of acquiring a file type of the audio file and determining a unit time displayed by each audio picture corresponding to the file type comprises:

Obtaining a file type of the audio file;

Determining a corresponding audio sampling frequency and a sample number of samples per frame of audio according to the file type;

Dividing the number of sampled samples of each frame of audio by the sampling frequency to calculate a play time of each frame of audio;

The unit time displayed by each audio picture is determined according to the play time of each frame of audio.
The audio file playing method according to claim 2, wherein the sampling frequency is a number of times of sampling the sound wave amplitude per second when digitizing the analog sound waveform.
The audio file playing method according to claim 1, wherein the acquiring a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as a The steps of the audio picture include:

Obtaining a file name of the audio file, and searching for a picture corresponding to the file name from the picture library;

Sort the found images by resolution;

Acquiring the resolution of the audio picture display area, and extracting the first n pictures as the audio picture from the picture less than or equal to the resolution of the display area.
The method for playing an audio file according to claim 1, wherein the step of acquiring the audio file corresponding to the instruction when the playback instruction is received further includes:

Configure a photo gallery with audio images in the cloud server.
An audio file playing method, characterized in that the audio file playing method comprises the following steps:

Acquiring an audio file corresponding to the instruction when receiving the play instruction;

Determining, according to the audio file, a unit time displayed by each audio picture, and acquiring an audio picture corresponding to the audio file from a picture library;

Playing the audio file and displaying the audio picture one by one according to the unit time.
The audio file playing method according to claim 6, wherein the step of determining the unit time of each audio picture display according to the audio file, and acquiring the audio picture corresponding to the audio file from the picture library comprises: :

Obtaining a file type of the audio file, and determining a unit time displayed by each audio picture corresponding to the file type;

Obtaining a total playing time of the audio file, and dividing the total playing time by the unit time to calculate the number n of the audio pictures;

Obtaining a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as the audio picture.
The audio file playing method according to claim 7, wherein the step of acquiring the file type of the audio file and determining the unit time displayed by each audio picture corresponding to the file type comprises:

Obtaining a file type of the audio file;

Determining a corresponding audio sampling frequency and a sample number of samples per frame of audio according to the file type;

Dividing the number of sampled samples of each frame of audio by the sampling frequency to calculate a play time of each frame of audio;

The unit time displayed by each audio picture is determined according to the play time of each frame of audio.
The audio file playing method according to claim 8, wherein the sampling frequency is a number of times of sampling the sound wave amplitude per second when digitizing the analog sound waveform.
The method for playing an audio file according to claim 7, wherein the step of acquiring the audio file corresponding to the instruction when the playback instruction is received further includes:

Configure a photo gallery with audio images in the cloud server.
The audio file playing method according to claim 7, wherein the obtaining a file name of the audio file, searching for a picture corresponding to the file name from the picture library, and filtering out n pictures as a The steps of the audio picture include:

Obtaining a file name of the audio file, and searching for a picture corresponding to the file name from the picture library;

Sort the found images by resolution;

Acquiring the resolution of the audio picture display area, and extracting the first n pictures as the audio picture from the picture less than or equal to the resolution of the display area.
The method for playing an audio file according to claim 6, wherein the step of acquiring the audio file corresponding to the instruction when the playback instruction is received further includes:

Configure a photo gallery with audio images in the cloud server.
The audio file playing method according to claim 6, wherein the step of acquiring the audio file corresponding to the instruction when the play instruction is received comprises:

When receiving the play instruction, the audio file corresponding to the play instruction is acquired from the mobile terminal, and the audio file is saved in a cache, and the play instruction is triggered by the mobile terminal.
An audio file playing device, wherein the audio file playing device comprises:

a receiving module, configured to acquire an audio file corresponding to the instruction when receiving a play instruction;

a processing module, configured to determine, according to the audio file, a unit time displayed by each audio picture, and obtain an audio picture corresponding to the audio file from a picture library;

And a playing module, configured to play the audio file, and display the audio picture one by one according to the unit time.
The audio file playing device according to claim 14, wherein the processing module comprises an audio processing unit and a picture processing unit;

The audio processing unit is configured to acquire a file type of the audio file, and determine a unit time displayed by each audio picture corresponding to the file type;

The audio processing unit is further configured to acquire a total playing time of the audio file, and divide the total playing time by the unit time to calculate a number n of the audio picture;

The picture processing unit is configured to obtain a file name of the audio file, search for a picture corresponding to the file name from the picture library, and filter out n pictures as the audio picture.
The audio file playback device according to claim 15, wherein the audio processing unit comprises an acquisition subunit, a determination subunit, and a calculation subunit;

The obtaining subunit is configured to acquire a file type of the audio file;

The determining subunit is configured to determine, according to the file type, a corresponding audio sampling frequency and a sampling sample number of each frame of audio;

The calculating subunit is configured to divide the sampling sample number of each frame of audio by the sampling frequency, and calculate a playing time of each frame of audio;

The determining subunit is configured to determine a unit time displayed by each audio picture according to the playing time of the audio of each frame.
The audio file playback apparatus according to claim 16, wherein the sampling frequency is a number of times of sampling the sound wave amplitude per second when digitizing the analog sound waveform.
The audio file playing device according to claim 15, wherein the picture processing unit comprises a lookup subunit, a sorting subunit, and a screening subunit;

The search subunit is configured to acquire a file name of the audio file, and search for a picture corresponding to the file name from the picture library;

The sorting subunit is configured to sort the found pictures by resolution;

The screening subunit is configured to obtain a resolution of an audio picture display area, and filter out the first n pictures as the audio picture from a picture that is less than or equal to the resolution of the display area.
The audio file playing device according to claim 14, wherein the audio file playing device further comprises a configuration module;

The configuration module is configured to configure a photo library containing an audio picture in the cloud server.
The audio file playing device according to claim 14, wherein the obtaining module is further configured to: when receiving the play instruction, acquire an audio file corresponding to the play instruction from the mobile terminal, and the audio file Stored in the cache, the play command is triggered by the mobile terminal.