CN109597597B - Frequency processing method, frequency processing device, electronic equipment and computer readable medium - Google Patents
Frequency processing method, frequency processing device, electronic equipment and computer readable medium Download PDFInfo
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- CN109597597B CN109597597B CN201811330735.5A CN201811330735A CN109597597B CN 109597597 B CN109597597 B CN 109597597B CN 201811330735 A CN201811330735 A CN 201811330735A CN 109597597 B CN109597597 B CN 109597597B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1415—Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Abstract
The application discloses a frequency processing method and device, electronic equipment and a computer readable medium, and belongs to the technical field of communication. The method comprises the following steps: acquiring the screen working frequency of the screen; acquiring a communication frequency band of the communication module; judging whether the screen working frequency is located in the communication frequency band; if the screen working frequency is located in the communication frequency band, the screen working frequency is changed into a designated frequency, and the designated frequency is located outside the communication frequency band. According to the method and the device, the screen working frequency of the screen can be adjusted to the outside of the communication frequency band, and then the screen working frequency and the communication frequency band are two different frequency bands, so that the influence of the screen working frequency on the communication frequency band can be avoided, and the interference to communication is avoided.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a frequency processing method and apparatus, an electronic device, and a computer-readable medium.
Background
With the rapid development of the internet, the update rate of the electronic device is increasing, the communication frequency bands supported by the communication module of the electronic device are more, and the number of the functional modules in the electronic device is more, so that the communication interference of the electronic device is easily interfered by each functional module. For example, when a user uses a screen of an electronic device, the operating frequency of the screen may interfere with communication of the electronic device, which may not only affect the use of the screen, but also affect communication services.
Disclosure of Invention
The present application provides a frequency processing method, apparatus, electronic device and computer readable medium to improve the above-mentioned drawbacks.
In a first aspect, an embodiment of the present application provides a frequency processing method, which is applied to an electronic device, where the electronic device includes a screen and a communication module. The method comprises the following steps: acquiring the screen working frequency of the screen; acquiring a communication frequency band of the communication module; judging whether the screen working frequency is located in the communication frequency band; if the screen working frequency is located in the communication frequency band, the screen working frequency is changed into a designated frequency, and the designated frequency is located outside the communication frequency band.
In a second aspect, an embodiment of the present application further provides a frequency processing apparatus, which is applied to an electronic device, where the electronic device includes a screen and a communication module. The frequency processing apparatus includes: the device comprises a first acquisition unit, a second acquisition unit, a judgment unit and a processing unit. And the first acquisition unit is used for acquiring the screen working frequency of the screen. And the second acquisition unit is used for acquiring the communication frequency band of the communication module. And the judging unit is used for judging whether the screen working frequency is positioned in the communication frequency band. And the processing unit is used for changing the screen working frequency into a designated frequency if the screen working frequency is positioned in the communication frequency band, and the designated frequency is positioned outside the communication frequency band.
In a third aspect, an embodiment of the present application further provides an electronic device, including: one or more processors; a memory; a screen and a communication module; one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the above-described methods.
In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium, where a program code is stored in the computer-readable storage medium, and the program code may be called by a processor to execute the foregoing method.
The frequency processing method, the frequency processing device, the electronic device and the computer readable medium provided by the embodiment of the application obtain the screen working frequency of the screen and the communication frequency band of the communication module, then judge whether the screen working frequency is located in the communication frequency band, and if the screen working frequency is detected to be located in the communication frequency band, change the screen working frequency into the designated frequency, wherein the designated frequency is located outside the communication frequency band. Therefore, the screen working frequency of the screen can be adjusted to the outside of the communication frequency band, the screen working frequency and the communication frequency band are two different frequency bands, the influence of the screen working frequency on the communication frequency band can be avoided, the interference on communication is avoided, and the influence of the communication frequency band on the screen can also be avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating communication interference of an electronic device according to an embodiment of the present disclosure;
fig. 2 is a flow chart of a method of frequency processing according to an embodiment of the present application;
fig. 3 is a flow chart of a method of frequency processing according to another embodiment of the present application;
fig. 4 is a flowchart illustrating a method of frequency processing according to yet another embodiment of the present application;
fig. 5 is a flow chart of a method of frequency processing according to yet another embodiment of the present application;
fig. 6 shows a block diagram of a frequency processing apparatus according to an embodiment of the present application;
fig. 7 shows a block diagram of a frequency processing apparatus according to another embodiment of the present application;
fig. 8 shows a block diagram of an electronic device provided in an embodiment of the present application;
fig. 9 illustrates a storage unit for storing or carrying program codes for implementing a frequency processing method according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The interference of the screen of the electronic device on the communication performance of the communication module is mainly derived from a Mobile Industry Processor Interface (MIPI) that displays a Serial bus Interface (DSI), which may also be referred to as an MIPI Interface, and the MIPI Interface is widely applied to the electronic device (e.g., a Mobile terminal), and provides an Interface standard with lower power consumption and higher transmission efficiency. The MIPI interface has a clock frequency that meets different requirements according to different transmission requirements. For example, when used in a Liquid Crystal Display (LCD), the MIPI frequency must be higher than a certain frequency to meet the requirement of the LCD refresh rate. In practical use, the mobile terminal may need to be compatible with several screens of the MIPI interfaces, and if the frequency of the signal transmitted by the screen of the MIPI interface is high, interference may be generated on the communication performance.
Specifically, the communication frequency band of the communication module is shown in table 1 below:
TABLE 1
As shown in fig. 1, the electronic device 100 includes a processor 110, a screen 130, and a communication module 140, where the processor 110 is connected to the screen 130 and the communication module 140, specifically, a MIPI interface 1101 of the processor is connected to a DSI interface 1301 of the screen 130, and the MIPI interface 1101 is synchronized with a clock of the DSI interface 1301. The processor 110 may transmit display data to the DSI interface at the MIPI frequency so that the display data is displayed on the screen. The MIPI frequency of the electronic device is the screen operating frequency of the screen, and if the screen operating frequency falls within the communication frequency range, the electromagnetic wave generated by the screen operating frequency is absorbed by the antenna of the communication module, which causes communication interference.
For example, in the case of playing a video in a 4G data service, because playing the video starts a screen to run, the screen operating frequency of the screen is close to the communication frequency of the 4G, which affects the sensitivity of the 4G data service, causes the 4G data service to be interfered, and also causes the screen to be interfered, for example, the video is jammed or the video cannot be played.
In the prior art, in order to reduce the influence of a screen on communication interference, methods such as filtering and shielding are adopted to weaken signals generated by the screen working frequency on a propagation path, but due to the inconsistency of electronic equipment, the method cannot be applied to all electronic equipment, and the cost of the electronic equipment is increased by adding a filtering device or a shielding device.
Therefore, in order to overcome the above-mentioned drawbacks, as shown in fig. 2, an embodiment of the present application provides a frequency processing method applied to an electronic device, where the electronic device includes a screen and a communication module, and an execution main body of the method may be a driving unit of the screen or a processor of the electronic device, and in the embodiment of the present application, a specific implementation of the method is described with the processor as the execution main body, the method includes: s201 to S204.
S201: and acquiring the screen working frequency of the screen.
In this embodiment of the present application, the MIPI frequency is a screen operating frequency of a screen, and the terminal device may obtain the currently set MIPI frequency by obtaining a clock frequency of the current MIPI. The MIPI frequency may be a clock frequency set by a developer of the electronic device according to needs, for example, in a high-speed mode, the MIPI frequency may be up to more than 1.2GHz, and factors such as the process and stability of a screen (e.g., LCD, LED, etc.) limit the clock frequency of the MIPI, for example, the MIPI frequency is limited between 500MHz and lGHz
S202: and acquiring the communication frequency band of the communication module.
Specifically, when determining the communication network registered by the current electronic device, the communication band corresponding to the current communication network of the electronic device is determined according to the correspondence between the frequency band of the communication network and the frequency range shown in table 1, where the communication band represents a frequency range.
The network information of the electronic device may be obtained first, and the network information may be used to identify a network registered by the electronic device, for example, the network information may be used to identify a 3G network or a 4G network registered by the electronic device, identify an area to which the network registered by the electronic device belongs, and identify a network of which system is registered by the electronic device, for example, a CDMA network, a GSM network, and the like.
As an embodiment, the Network information includes a Mobile Country Code (MCC) and a Mobile Network Code (MNC).
The MCC resources are uniformly allocated and managed by the international telecommunication union, and a country to which a user of a corresponding network belongs can be uniquely identified, for example, the MCC adopted in china is 460.
The MNC is a mobile network code for identifying a mobile communication network to which the user belongs. For example, the MNC adopted by the 3G network for china mobile is 07, the MNC adopted by the GSM network for china unicom is 01, and the MNC adopted by the 4G network for china telecom is 03.
In one possible implementation manner, the electronic device may determine a communication frequency band of the electronic device according to a network in which the electronic device is registered. For example, if the registered network is a chinese mobile GSM system, the communication frequency bands are 900MHz frequency band and 1800MHz frequency band, and if a chinese telecommunication CDMA network is used, the communication frequency band is 800 MHz.
In the embodiment of the present application, the communication band of the electronic device is 1930-1989.8M, that is, the mobile communication network registered by the electronic device is LTE, and the B2 band is used.
S203: and judging whether the screen working frequency is positioned in the communication frequency band.
Specifically, if the screen operating frequency is a specific frequency point, and the communication frequency band is also a specific frequency point, for example, the screen operating frequency is FpMHz, and the communication frequency band is FtMHz, the specific implementation of determining whether the screen operating frequency is located in the communication frequency band is as follows: the method comprises the steps of obtaining an absolute value of a difference value between a screen working frequency and a communication frequency band, namely calculating the absolute value of the difference value between Fp and Ft, recording the absolute value as a first difference value, judging whether the first difference value is smaller than a preset value, judging that the screen working frequency is located in the communication frequency band if the first difference value is smaller than the preset value, and judging that the screen working frequency is located outside the communication frequency band if the first difference value is larger than or equal to a preset setting. The preset value may be a value set by a user, and if the first difference is smaller than the preset value, it may be determined that the screen operating frequency is closer to the communication frequency band, and it may be regarded as equal.
If the screen working frequency is a specific frequency point, and if the communication frequency range is a frequency range, that is, the communication frequency range includes a first communication frequency point and a second communication frequency point, and the first communication frequency point is smaller than the second communication frequency point, for example, the screen working frequency is FpMHz, and the communication frequency range is Ft1MHz to Ft2MHz, wherein Ft1MHz is smaller than Ft2MHz, then the first communication frequency point is Ft1MHz, and the second communication frequency point is Ft2MHz, then the specific implementation mode of judging whether the screen working frequency is located in the communication frequency range is: and judging whether the screen working frequency is greater than the first communication frequency point and less than the second communication frequency point, if so, judging that the screen working frequency is positioned in the communication frequency band, and otherwise, judging that the screen working frequency is positioned outside the communication frequency band.
Specifically, a second difference between the screen working frequency and the first communication frequency point and a third difference between the screen working frequency and the second communication frequency point are respectively obtained, where neither the second difference nor the third difference has been calculated, that is, both the second difference and the third difference may be negative numbers or positive numbers, if the second difference is greater than zero and the third difference is less than zero, it is determined that the screen working frequency is greater than the first communication frequency point and less than the second communication frequency point, that is, it is determined that the screen working frequency is within the communication frequency band, if the second difference is a negative number, it is determined that the screen working frequency is less than the first communication frequency point, it is determined that the screen working frequency is outside the communication frequency band, and if the third difference is greater than zero, it is determined that the screen working frequency is greater than the second communication frequency point, that it is determined that the screen working frequency is outside the communication frequency band.
S204: and changing the screen working frequency into a specified frequency, wherein the specified frequency is positioned outside the communication frequency band.
The designated frequency may be a preset frequency value, and the frequency value is located outside the communication band, specifically, a designated frequency may be preset for each communication band, where the designated frequency corresponds to one communication band, and the designated frequency of each communication band is located outside the communication band and is not located in other communication bands. After the current communication band of the electronic device is determined and when it is determined that the screen operating frequency is within the communication band, the screen operating frequency is changed to a designated frequency of the current communication band.
In addition, besides changing the screen operating frequency by adopting the above-mentioned method of presetting the designated frequency, the screen operating frequency may be hopped to a frequency outside the communication frequency band by a preset algorithm, specifically, please refer to the frequency processing method shown in fig. 3, which includes: s301 to S305.
S301: and acquiring the screen working frequency of the screen.
S302: and acquiring the communication frequency band of the communication module.
S303: and judging whether the screen working frequency is positioned in the communication frequency band.
S304: and modifying the screen working power by a specified value.
The mode of updating the screen operating frequency by the designated value may be to increase the screen operating frequency by the designated value and to decrease the screen operating frequency by the designated data, and since the screen operating frequency is within the communication band, the screen operating frequency may be changed to be outside the communication band regardless of the increase or decrease. In the embodiment of the present application, the specific implementation of modifying the screen operating power by the designated value is to increase the screen operating power by the designated value, where the designated value may be a preset value, for example, 0.1 MHz.
Specifically, considering that when the content played by the screen is different, the requirements on the working frequency may be different, for example, for a video class, the screen working frequency cannot be too low, and a screen is prevented from being stuck when the screen plays the video, specifically, a client type corresponding to an interface played by the current screen is obtained, and whether the client type is the video class is determined, if yes, the implementation mode of modifying the specified value of the screen working power is to increase the screen working frequency by the specified value, otherwise, the implementation mode of modifying the specified value of the screen working power is to increase or decrease the screen working frequency by the specified value, which is an implementation mode, and if the client type is not the video class, the implementation mode of modifying the specified value of the screen working power is to decrease the screen working frequency by the specified value.
The type of the client may be a type set for the client by a developer of the client during development, or a type set for the client by a user after the client is installed on the electronic device, for example, a dialog box may be displayed after the user installs a certain client on the electronic device and enters the client after the installation is completed, and the user is instructed to set the type for the client. Which category the client belongs to in particular may be set by the user as desired, for example, the user may set a certain social software to be audio, or to be video, or to be social.
In addition, client installation software, such as Appstore in ios systems, is installed in the electronic device. A client list is provided in the client installation software, in which the user can download the clients and update and open the clients, and the client installation software can implement different clients according to categories, such as audio, video, or game. Therefore, the user can already know the category of the client when installing the client using the client installation software.
In addition, considering that some clients can play video and audio, if the client supports the function of video playing, the type of the client is set as the video type, and if the client does not support the function of video playing but only supports the function of audio playing, the type of the client is set as the audio type. Specifically, whether the client supports the video playing function or not may be determined by determining whether the client supports the video playing function according to the function description included in the function description information of the client, for example, the supported playing format, or by detecting whether the video playing module is played in the program module of the client, for example, a certain video playing codec algorithm, and the like.
Furthermore, if the functions of some clients are diversified, the category of the client needs to be determined according to the specific operation behaviors of the client, for example, if some clients can play videos and also can play audios, for example, some video playing software can play pure audio files and also can play videos, the category of the client can be determined according to the usage records of the client, that is, according to the usage records of the client within a certain time period, it is determined whether the user tends to play videos or more tends to play audios by using the client.
Specifically, operation behavior data of all users of the client within a preset time period is obtained, where all users refer to all users who have installed the client, and the operation behavior data may be obtained from a server corresponding to the client, that is, when a user uses the client, the user logs in the client using a user account corresponding to the user, and the operation behavior data corresponding to the user account is sent to the server corresponding to the client, and the server stores the obtained operation behavior data in correspondence with the user account. In some embodiments, the electronic device sends an operation behavior query request for a client to a server corresponding to the client, and the server sends operation behavior data of all users within a certain preset time period to the electronic device.
The operation behavior data includes the name and time of the played audio file and the name and time of the played video file, the number and total time of the audio files played by the client in a certain preset time period can be determined by analyzing the operation behavior data, the number and total time of the video files played by the client can also be obtained, then the category of the client is determined according to the ratio of the total playing time of the audio and video files in the preset time period, specifically, the ratio of the total playing time of the audio and video files in the preset time period is obtained, for convenient description, the ratio of the total playing time of the audio files in the preset time period is recorded as the audio playing ratio, the ratio of the total playing time of the video files in the preset time period is recorded as the video playing ratio, if the video playing ratio is greater than the audio playing ratio, the category of the client is set as the video type, and if the audio playing proportion is larger than the video playing proportion, the category of the client is set as the audio type. For example, if the preset time period is 30 days, that is, 720 hours, and the total playing time of the audio file is 200 hours, the audio playing proportion is 27.8%, and the total playing time of the video file is 330 hours, the video playing proportion is 45.8%, and the video playing proportion is greater than the audio playing proportion, the category of the client is set as the video type.
As another embodiment, the UID of the client in the electronic device is formed by a series of numbers, and the arrangement of the numbers has a certain regularity, and the number segment regions corresponding to the UIDs of the clients in different categories are different, for example, the clients with the UIDs of 00000 to 09999 belong to one category, so that the category corresponding to the client can be determined according to the UID of the client.
S305: and taking the updated screen working frequency as a new screen working frequency.
And taking the updated screen working frequency as a new screen working frequency, returning to execute to judge whether the screen working frequency is located in the communication frequency band, if so, increasing the screen working frequency by a specified value again until the screen working frequency is located outside the communication frequency band, and then, taking the screen working frequency at the moment as the specified frequency.
For example, if the screen operating frequency is FpMHz, when it is determined that the screen operating frequency is located in the communication frequency band, adding 0.1MHz to the screen operating frequency, that is, the new screen operating frequency is (Fp +0.1) MHz, the screen operating frequency at this time is (Fp +0.1) MHz, and returning to execute S303, then determining whether (Fp +0.1) MHz is within the communication frequency band, if the screen operating frequency is located in the communication frequency band, continuing to add a specified value to the current screen operating frequency, the new screen operating frequency is (Fp +0.2) MHz, and returning to execute S303, that is, determining whether (Fp +0.2) MHz is within the communication frequency band, and so on until a screen operating frequency located outside the communication frequency band is obtained, and the currently determined screen operating frequency located outside the communication frequency band is the specified frequency.
It should be noted that, the above steps are detailed portions, and reference may be made to the foregoing embodiments, which are not repeated herein.
In addition, after acquiring the screen operating frequency of the screen of the electronic device, if the screen operating frequency is outside the current communication frequency band, it is further required to determine whether frequency division and/or frequency multiplication of the screen operating frequency is also within the communication frequency band, and if so, it indicates a harmonic of the screen operating frequency, for example, a higher harmonic still interferes with communication, as shown in fig. 4, an embodiment of the present application provides a frequency processing method, including: s401 to S406.
S401: and acquiring the screen working frequency of the screen.
S402: and acquiring the communication frequency band of the communication module.
S403: and judging whether the screen working frequency is positioned in the communication frequency band.
S404: and changing the screen working frequency into a specified frequency, wherein the specified frequency is positioned outside the communication frequency band.
S405: and judging whether the target frequency is positioned in the communication frequency band.
And if the screen working frequency is positioned outside the communication frequency band, judging whether a target frequency is positioned in the communication frequency band, wherein the target frequency is obtained by executing frequency division and/or frequency multiplication processing on the screen working frequency.
In addition to the MIPI frequency causing communication interference, screen operating frequencies, such as MIPI frequencies, may also cause communication interference in the communication band due to a division of the MIPI frequency. Mainly including 4-way interference and 12-way interference.
The 4-division of the MIPI frequency means that MIPI data transmits data in units of 1byte, each byte stores one sub-pixel, and data between sub-pixels have similarity, so that when data is transmitted in units of bytes, a periodic signal occurs, and further 4-division interference of the MIPI frequency is generated.
The division of the MIPI frequency by 12 means that when MIPI data is transmitted in 4lane, an RGB data component is formed on each pair of differential lines. Due to the gradual change of the common image frames, the RGB data combinations have similarity, so that 3-byte data periodic repeated transmission is formed, and the 12-frequency division interference of MIPI frequency is correspondingly generated.
Due to the non-linear load, when a current flows through the load, it does not have a linear relationship with the applied voltage, a non-sinusoidal current is formed, and thus harmonics are generated. Harmonics higher than the fundamental frequency are called higher harmonics, and the frequency of the higher harmonics is an integral multiple of the fundamental frequency. Or the sine waves with the frequency more than 2 times of the fundamental frequency are all higher harmonics.
Therefore, the screen working frequency can generate higher harmonic wave in the process, and the higher harmonic wave can be regarded as the frequency multiplication of the screen working frequency.
Then as an embodiment, the target frequency is a result of frequency division of the screen operating frequency, and specifically, whether the target frequency is located in the communication band is determined by performing frequency division processing on the screen operating frequency according to a frequency division coefficient to obtain a frequency division frequency, and determining whether the frequency division frequency is located in the communication band, wherein the screen operating frequency is divided by 4 to obtain a 4-frequency-divided screen operating frequency, which is recorded as a first frequency division, or is divided by 12 to obtain a 12-frequency-divided screen operating frequency, which is recorded as a second frequency division.
And judging whether the first frequency division frequency and/or the second frequency division frequency are/is located in the communication frequency band, and if the first frequency division frequency or the second frequency division frequency is located in the communication frequency band, judging that the target frequency is located in the communication frequency band.
As another embodiment, after the screen operating frequency is acquired, that is, after the MIPI frequency is acquired, it is determined whether a frequency multiplication of the screen operating frequency is located within a communication frequency band, specifically, the communication frequency band is a frequency range, that is, the first communication frequency point and the second communication frequency point exist. In some embodiments, a product of the screen operating frequency and N is obtained as a frequency doubling frequency, where N is a positive integer from 2, it is determined whether the frequency doubling frequency is greater than the first communication frequency point and less than the second communication frequency point, if not, it is determined whether the frequency doubling frequency is less than the first communication frequency point, if the frequency doubling frequency is less than the first communication frequency point, N is increased by 1, a new frequency doubling frequency is obtained, and the step of determining whether the frequency doubling frequency is greater than the first communication frequency point and less than the second communication frequency point is performed, if the frequency doubling frequency is greater than the first communication frequency point, since the frequency doubling frequency does not satisfy a condition of being greater than the first communication frequency point and less than the second communication frequency point, it may be considered that the frequency doubling frequency is greater than the second communication frequency point, and since then the values of N are all greater than the current N, it may be considered that no target frequency is located in the communication frequency band.
Specifically, assuming that the screen operating frequency is FpMHz, the first communication frequency point is Ft1MHz, and the second communication frequency point is Ft2MHz, the product of N and FpMHz is calculated, if N is 2 at this time, the frequency doubling frequency is 2FpMHz, if 2FpMHz is not located in the range from Ft1MHz to Ft2MHz, i.e. 2FpMHz does not satisfy the condition of being greater than the first communication frequency point and less than the second communication frequency point, and 2FpMHz is less than Ft1MHz, N +1, i.e. N is changed to 3, and the product of N and FpMHz is recalculated, the obtained frequency doubling frequency is 3FpMHz, if 3FpMHz still does not satisfy the condition of being greater than the first communication frequency point and less than the second communication frequency point, but 3FpMHz is greater than Ft2MHz, it is not necessary to perform the step of recalculating the product of N +1, and FpMHz, and determine whether the frequency is greater than the first frequency doubling communication frequency and less than the second frequency point, because N is still greater than the second communication frequency point, it will still not be within the communications band.
As another embodiment, the target frequency is obtained by performing frequency division and frequency multiplication on the screen operating frequency, and specifically, the screen operating frequency is subjected to frequency division processing according to a frequency division coefficient to obtain a frequency division frequency; if a frequency multiplication coefficient exists, so that a frequency multiplication frequency obtained by multiplying the frequency division frequency according to the frequency multiplication coefficient is located in the communication frequency band, determining that a target frequency is located in the communication frequency band, wherein the frequency multiplication frequency is the target frequency; and if the frequency multiplication coefficient does not exist, determining that no target frequency is located in the communication frequency band if the frequency division frequency is located in the communication frequency band according to the frequency multiplication frequency obtained after frequency multiplication of the frequency multiplication coefficient.
Specifically, the screen operating frequency is divided by the division coefficient to obtain the division frequency, and then the first division frequency after 4 divisions can be obtained. Assuming that a communication frequency range is a frequency range, namely the first communication frequency point and the second communication frequency point exist, respectively calculating a quotient of the first communication frequency point and the first frequency division frequency, recording the quotient as a first quotient, calculating a quotient of the second communication frequency point and the first frequency division frequency, recording the quotient as a second quotient, judging whether a positive integer exists between the first quotient and the second quotient, if so, judging that a frequency multiplication coefficient exists, and enabling a frequency multiplication frequency obtained by frequency multiplication of the frequency division frequency according to the frequency multiplication coefficient to be located in the communication frequency range, namely judging that a target frequency exists in the communication frequency range, wherein the product of the positive integer and the first frequency division frequency is the target frequency.
If no positive integer exists between the first quotient and the second quotient, acquiring a second frequency division frequency of the screen working frequency after 12 frequency division, respectively calculating a quotient of the first communication frequency and the second frequency division frequency, recording the quotient as a third quotient, calculating a quotient of the second communication frequency and the second frequency division frequency, recording the quotient as a fourth quotient, judging whether a positive integer exists between the third quotient and the fourth quotient, if so, judging that a frequency multiplication coefficient exists, and enabling a frequency multiplication frequency obtained by frequency multiplication of the frequency division frequency according to the frequency multiplication coefficient to be located in the communication frequency band, namely judging that a target frequency exists in the communication frequency band, wherein the product of the positive integer and the second frequency division frequency is the target frequency.
S406: and changing the screen working frequency into a preset frequency, wherein the target frequency obtained by frequency division and/or frequency multiplication processing of the preset frequency is positioned outside the communication frequency band.
And if the target frequency is located in the communication frequency band, changing the screen working frequency into a preset frequency, wherein the target frequency obtained by frequency division and/or frequency multiplication of the preset frequency is located outside the communication frequency band.
The preset frequency may be a preset frequency value, where the frequency value is located outside the communication band, and specifically, a preset frequency may be preset for each communication band, where the preset frequency corresponds to one communication band, and the preset frequency of each communication band is located outside the communication band and is not located in other communication bands. After the current communication band of the electronic device is determined and when it is determined that the screen operating frequency is within the communication band, the screen operating frequency is changed to a preset frequency of the current communication band.
As an embodiment, the screen working power is modified by a specified value; the mode of updating the screen operating frequency by the designated value can be that the screen operating frequency is increased by the designated value and the screen operating frequency is decreased by the designated data, and because the screen operating frequency is within the communication band, the screen operating frequency can be changed to be outside the communication band by increasing or decreasing. In the embodiment of the present application, the specific implementation of modifying the screen operating power by the designated value is to increase the screen operating power by the designated value, where the designated value may be a preset value, for example, 0.1 MHz.
Considering that the content played by the screen is different, the requirements on the working frequency may be different, for example, for a video class, the screen working frequency cannot be too low, and the screen is prevented from being stuck when the video is played, specifically, obtaining a client type corresponding to an interface played by the current screen, and determining whether the client type is the video class, if so, modifying the screen working power by the specified value in such a way that the screen working frequency is increased by the specified value, otherwise, modifying the screen working power by the specified value in such a way that the screen working frequency is increased or decreased by the specified value is taken as an implementation, and if the client type is not the video class, modifying the specified value by the screen working power in such a way that the screen working frequency is decreased by the specified value. The specific implementation may refer to the implementation of S304, which is not described herein again.
Specifically, if there is a target frequency located in the communication frequency band, the screen operating frequency is changed to a preset frequency, and a specific implementation manner in which the preset frequency cannot obtain the target frequency located in the communication frequency band through frequency division and/or frequency multiplication is to increase the screen operating power by a specified value; and taking the updated screen working frequency as a new screen working frequency, returning to execute the operation of judging whether the target frequency is positioned in the communication frequency band, if so, increasing the screen working power by a specified value again until the target frequency is not positioned in the communication frequency band, and then, taking the screen working frequency as the preset frequency.
Taking the way of modifying the designated value as an example of increasing the designated value, for example, the screen operating frequency is 552.5MHz, the communication band is 1930-1989.8MHz, 552.5MHz is located outside 1930-1989.8MHz, but the 14 times of frequency division of 1/4 of the MIPI frequency just falls within the communication band. Specifically, if 14 × (552.5/4) ═ 1933.75MHz, 1933.75MHz is located between 1930-1989.8MHz, 552.5MHz is increased by 0.1MHz, then 14 times of frequency multiplication of 1/4 frequency division of the frequency still falls within the range of 1930-1989.8MHz, then 0.1MHz is continuously increased until 554MHz screen working frequency is satisfied, and the condition that no target frequency is located within the communication frequency band is satisfied, then 554MHz screen working frequency is achieved, so that communication interference of the screen working frequency to the communication frequency band can be avoided, and 1939MHz is the frequency point of screen interference within 1930-1936MHz of the communication frequency, interference to the communication frequency cannot be caused; and when the communication frequency is 1939MHz, the system informs the screen working frequency to return to 552.5MHz, and the communication frequency is not interfered with at the moment, namely 1939 MHz. The interference of the screen to the antenna communication can be avoided by the frequency hopping scheme.
Meanwhile, the screen operating frequency is also present in other communication frequency bands, for example, outside the communication frequency bands shown in table 1, and the frequency division and/or the frequency multiplication of the screen operating frequency are also located outside the other communication frequency bands, so that interference to the other communication frequency bands is not caused. Moreover, 552.5M hops to 554M, the frequencies are relatively close, and no interference is caused to other frequency bands (e.g., B3\ B5\ so that interference on the 2G call service of the secondary card can be avoided under the working condition of frequency hopping 554M.
It should be noted that, the above steps are parts of detailed description, and reference may be made to the foregoing embodiments, which are not repeated herein.
Referring to fig. 5, an embodiment of the present application provides a frequency processing method, including: s501 to S508.
S501: and detecting whether the screen is opened.
As an embodiment, the detecting whether the screen is turned on may be by determining whether the screen of the electronic device is in a lighting mode, specifically, the electronic device includes a screen-locking state and a screen-unlocking state, and the screen of the electronic device includes a screen-off state and a screen-lighting state. Specifically, the SCREEN-OFF state and the SCREEN-ON state of the SCREEN may be detected by a program module in the system of the electronic device, for example, by an isScreenOn function of PowerManager, and the broadcast of the content.action _ SCREEN _ ON and content.action _ SCREEN _ OFF may be received by broadcastrechiveriver, so that whether the electronic device is in the SCREEN-locked state or the SCREEN-unlocked state may be determined.
And after the screen is lighted, although the electronic device is in a screen locking state, the electronic device can still detect an operation gesture input when the user operates the screen, that is, obtain the operation gesture currently acting on the screen, specifically, the operation gesture currently acting on the screen can be detected by a program module in a system of the electronic device, for example, in the framework of Android, the operation gesture acted on the screen by the user is obtained by a geturedetector function.
As another embodiment, it may be determined that the screen is in an open state when the interface where the application currently exists is displayed on the screen, and specifically, the states of the application include a foreground running state, a background running state, and a non-running state. The foreground running state refers to that an application program runs on a screen through an interface, and a user can interact with the application program through the interface, for example, an execution instruction is input or some information is observed through the interface. The background running state means that the application program runs in a resource manager of the system, but generally has no interface. When a user starts an application program for the first time, the application program runs on the screen of the first screen, namely, the application program is in a foreground running state, and when the user clicks a home key, or other applications are switched to the foreground or the screen of the mobile terminal is locked, the state of the application program is changed into a background running state. The non-running state refers to that the application program is not started, that is, not in a foreground running state, and not in a background running state, and specifically, when the application program runs in the foreground or the background, a process of the application program is killed, and then the application program is in the non-running state, which is also referred to as a closed state.
When it is detected that the application program runs in the foreground, if the activity of the application program currently exists in the foreground, it may be determined that an interface of the application program currently exists is displayed on the screen, and it may also be determined that the screen is in an open state.
S502: and acquiring the screen working frequency of the screen.
S503: and acquiring the communication frequency band of the communication module.
S504: it is detected whether the communication band is disturbed.
As an embodiment, an interference detection unit, such as a spectrum analysis chip, may be provided in the electronic device, and the interference detection unit may analyze whether the charging frequency during charging interferes with the communication frequency band of communication. Specifically, the spectrum chip is a chip that acquires the law of the signal voltage amplitude changing with the frequency, and if the detected spectrum result is displayed on the screen of the electronic device, the law of the signal voltage amplitude changing with the frequency can be displayed. The spectrum chip can accurately measure and display the signal characteristics at various frequencies in a scanning range. Normally, the frequency spectrum of the wireless signal is in a stable state, and if the fluctuation is large, it can be determined that the current communication frequency band is interfered.
If it is detected that the communication band has interference, the step S505 is executed, so as to avoid increasing the load on the processor of the electronic device by repeatedly executing S505, and if it is detected that the communication band has no interference, the operation is ended, or the step S501 may be executed again.
S505: and judging whether the screen working frequency is positioned in the communication frequency band.
S506: and changing the screen working frequency into a designated frequency, wherein the designated frequency is positioned outside the communication frequency band.
S507: and judging whether the target frequency is positioned in the communication frequency band.
S508: and changing the screen working frequency into a preset frequency, wherein the target frequency obtained by frequency division and/or frequency multiplication of the preset frequency is positioned outside the communication frequency band.
It should be noted that, the above steps are parts of detailed description, and reference may be made to the foregoing embodiments, which are not repeated herein.
Referring to fig. 6, a block diagram of a frequency processing apparatus according to an embodiment of the present disclosure is shown. The frequency processing apparatus may include: a first acquisition unit 601, a second acquisition unit 602, a determination unit 603, and a processing unit 604.
A first obtaining unit 601, configured to obtain a screen operating frequency of the screen.
A second obtaining unit 602, configured to obtain a communication frequency band of the communication module.
A determining unit 603, configured to determine whether the screen operating frequency is located in the communication frequency band.
A processing unit 604, configured to change the screen operating frequency to a specified frequency if the screen operating frequency is within the communication frequency band, where the specified frequency is outside the communication frequency band.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Referring to fig. 7, a block diagram of a frequency processing apparatus according to another embodiment of the present disclosure is shown. The frequency processing apparatus may include: a first acquisition unit 701, a second acquisition unit 702, a determination unit 703, a processing unit 704, and a modification unit 705.
A first obtaining unit 701, configured to obtain a screen operating frequency of the screen.
A second obtaining unit 702, configured to obtain a communication frequency band of the communication module.
The determining unit 703 is configured to determine whether the screen operating frequency is located in the communication frequency band.
Specifically, the determining unit 703 is further configured to determine whether there is communication interference in the communication frequency band; and if so, judging whether the screen working frequency is located in the communication frequency band.
A processing unit 704, configured to change the screen operating frequency to a specified frequency if the screen operating frequency is within the communication frequency band, where the specified frequency is outside the communication frequency band.
In particular, the processing unit 704 is further configured to modify the screen operating power by a specified value; and taking the updated screen working frequency as a new screen working frequency, returning to execute to judge whether the screen working frequency is located in the communication frequency band, if so, modifying the screen working frequency again by a specified value until the screen working frequency is located outside the communication frequency band, and then, taking the screen working frequency at the moment as the specified frequency.
A changing unit 705, configured to determine whether a target frequency is located in the communication frequency band if the screen operating frequency is located outside the communication frequency band, where the target frequency is obtained by performing frequency division and/or frequency multiplication on the screen operating frequency; and if the target frequency is located in the communication frequency band, changing the screen working frequency into a preset frequency, wherein the target frequency obtained by frequency division and/or frequency multiplication of the preset frequency is located outside the communication frequency band.
Specifically, the modifying unit 705 is further configured to modify the screen operating power by a specified value; and taking the updated screen working frequency as a new screen working frequency, returning to execute the operation of judging whether the target frequency is positioned in the communication frequency band, if so, modifying the screen working power again by a specified value until the target frequency is not positioned in the communication frequency band, and then, taking the screen working frequency as the preset frequency.
In addition, the changing unit 705 is further configured to perform frequency division processing on the screen operating frequency according to a frequency division coefficient to obtain a frequency division frequency; if a frequency multiplication coefficient exists, so that a frequency multiplication frequency obtained by multiplying the frequency division frequency according to the frequency multiplication coefficient is located in the communication frequency band, determining that a target frequency is located in the communication frequency band, wherein the frequency multiplication frequency is the target frequency; and if the frequency multiplication coefficient does not exist, determining that no target frequency is located in the communication frequency band if the frequency division frequency is located in the communication frequency band according to the frequency multiplication frequency obtained after frequency multiplication of the frequency multiplication coefficient. The frequency division coefficient is 1, 1/4 or 1/12, and the frequency multiplication coefficient is a positive integer.
It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described devices and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In several embodiments provided in the present application, the coupling of the modules to each other may be electrical, mechanical or other forms of coupling.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
Referring to fig. 8, a block diagram of an electronic device according to an embodiment of the present disclosure is shown. The electronic device 100 may be a smart phone, a tablet computer, an electronic book, or other electronic devices capable of running an application. The electronic device 100 in the present application may include one or more of the following components: a processor 110, a memory 120, a screen 130, a communication module 140, and one or more applications, wherein the one or more applications may be stored in the memory 120 and configured to be executed by the one or more processors 110, the one or more programs configured to perform the methods as described in the aforementioned method embodiments.
The Memory 120 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). The memory 120 may be used to store instructions, programs, code sets, or instruction sets. The memory 120 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like. The data storage area may also store data created by the electronic device 100 during use (e.g., phone book, audio-video data, chat log data), and the like.
The screen 130 is used to display information input by a user, information provided to the user, and various graphical user interfaces of the electronic device, which may be composed of graphics, text, icons, numbers, video, and any combination thereof, and in one example, the screen 130 includes a display panel, and may also include circuitry and the like for performing touch operations in response to the display panel. The Display panel may be a Liquid Crystal Display (LCD), and in some embodiments, the Display panel is also a touch screen, and the touch screen may be disposed on the Display panel so as to be integrated with the Display panel.
The communication module 140 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and the electrical signals, so as to communicate with a communication network or other devices. The communication module 140 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The communication module 140 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices via a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Mobile Communication (Enhanced Data GSM Environment, EDGE), wideband Code division multiple Access (W-CDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (WiFi) (e.g., IEEE 802.10A, IEEE802.11b, IEEE802.11g, and/or IEEE802.11 n standards), Voice over internet protocol (VoIP), world wide mail Access (IEEE for Wireless communications, Wi-11), and any other suitable protocol for short message Communication (sms, Max), and may even include those protocols that have not yet been developed.
Referring to fig. 9, a block diagram of a computer-readable storage medium according to an embodiment of the present application is shown. The computer-readable storage medium 900 has stored therein program code that can be called by a processor to execute the methods described in the above-described method embodiments.
The computer-readable storage medium 900 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Alternatively, the computer-readable storage medium 900 includes a non-volatile computer-readable storage medium. The computer readable storage medium 900 has storage space for program code 910 to perform any of the method steps of the method described above. The program code can be read from or written to one or more computer program products. The program code 910 may be compressed, for example, in a suitable form.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A frequency processing method applied to an electronic device including a screen and a communication module, the method comprising:
acquiring the screen working frequency of the screen;
acquiring a communication frequency band of the communication module;
judging whether the screen working frequency is located in the communication frequency band;
if the screen working frequency is located in the communication frequency band, determining a client corresponding to the interface currently played by the screen;
acquiring operation behavior data of all users of the client within a preset time period, wherein the operation behavior data comprises names and time of audio files played by the client and names and time of video files played by the client;
acquiring the number of audio files and a first total time length played by the client in the preset time period, and acquiring the number of video files and a second total time length played by the client in the preset time period;
acquiring an audio playing ratio of the first total duration to the total duration of the preset time period, and acquiring a video playing ratio of the second total duration to the total duration of the preset time period;
if the video playing proportion is larger than the audio playing proportion, the type of the client is set as the video type;
if the type of the client is a video type, increasing the screen working frequency by a specified value;
if the type of the client is not the video type, reducing the screen working frequency by a specified value;
and taking the updated screen working frequency as a new screen working frequency, and returning to execute the subsequent steps of judging whether the screen working frequency is positioned in the communication frequency band or not until the screen working frequency is positioned outside the communication frequency band.
2. The method of claim 1, further comprising:
if the screen working frequency is outside the communication frequency band, judging whether a target frequency is in the communication frequency band, wherein the target frequency is obtained by performing frequency division and/or frequency multiplication on the screen working frequency;
and if the target frequency is located in the communication frequency band, changing the screen working frequency into a preset frequency, wherein the target frequency obtained by frequency division and/or frequency multiplication of the preset frequency is located outside the communication frequency band.
3. The method according to claim 2, wherein if there is a target frequency located in the communication band, changing the screen operating frequency to a preset frequency, where the preset frequency cannot obtain the target frequency located in the communication band through frequency division and/or frequency multiplication, comprises:
modifying the screen working power by a specified value;
and taking the updated screen working frequency as a new screen working frequency, returning to execute the operation of judging whether the target frequency is positioned in the communication frequency band, if so, modifying the screen working power again by a specified value until the target frequency is not positioned in the communication frequency band, and then, taking the screen working frequency as the preset frequency.
4. The method of claim 2, wherein the determining whether the target frequency is located within the communication band comprises:
performing frequency division processing on the screen working frequency according to a frequency division coefficient to obtain a frequency division frequency;
if a frequency multiplication coefficient exists, so that a frequency multiplication frequency obtained by multiplying the frequency division frequency according to the frequency multiplication coefficient is located in the communication frequency band, determining that a target frequency is located in the communication frequency band, wherein the frequency multiplication frequency is the target frequency;
and if the frequency multiplication coefficient does not exist, determining that no target frequency is located in the communication frequency band if the frequency division frequency is located in the communication frequency band according to the frequency multiplication frequency obtained after frequency multiplication of the frequency multiplication coefficient.
5. The method of claim 4, wherein the division factor is 1, 1/4, or 1/12, and the multiplication factor is a positive integer.
6. The method of claim 1, wherein said changing the screen operating frequency to a specified frequency comprises:
modifying the screen working power by a specified value;
and taking the updated screen working frequency as a new screen working frequency, returning to execute to judge whether the screen working frequency is located in the communication frequency band, if so, modifying the screen working frequency again by a specified value until the screen working frequency is located outside the communication frequency band, and then, taking the screen working frequency at the moment as the specified frequency.
7. The method of any one of claims 1-6, wherein said determining whether said screen operating frequency is within said communications band comprises:
judging whether communication interference exists in the communication frequency band;
and if so, judging whether the screen working frequency is located in the communication frequency band.
8. A frequency processing apparatus, applied to an electronic device including a screen and a communication module, the apparatus comprising:
the first acquisition unit is used for acquiring the screen working frequency of the screen;
a second obtaining unit, configured to obtain a communication frequency band of the communication module;
the judging unit is used for judging whether the screen working frequency is positioned in the communication frequency band or not;
the processing unit is used for determining a client corresponding to the interface currently played by the screen if the screen working frequency is within the communication frequency band; acquiring operation behavior data of all users of the client within a preset time period, wherein the operation behavior data comprises the name and time of an audio file played by the client and the name and time of a video file played by the client; acquiring the number of audio files and a first total time length played by the client in the preset time period, and acquiring the number of video files and a second total time length played by the client in the preset time period; acquiring an audio playing occupation ratio of the first total duration to the total duration of the preset time period, and acquiring a video playing occupation ratio of the second total duration to the total duration of the preset time period; if the video playing proportion is larger than the audio playing proportion, setting the type of the client as the video type; if the type of the client is a video type, increasing the screen working frequency by a specified value; if the type of the client is not the video type, reducing the screen working frequency by a specified value; and taking the updated screen working frequency as a new screen working frequency, and returning to execute the subsequent steps of judging whether the screen working frequency is positioned in the communication frequency band or not until the screen working frequency is positioned outside the communication frequency band.
9. An electronic device, comprising:
one or more processors;
a memory;
a screen and a communication module;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of any of claims 1-7.
10. A computer-readable storage medium having program code stored therein, the program code being invoked by a processor to perform the method of any of claims 1-7.
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| CN112737614A (en) * | 2020-12-24 | 2021-04-30 | 歌尔光学科技有限公司 | Anti-interference method, device, equipment and readable storage medium |
| CN114039613B (en) * | 2021-11-30 | 2023-07-07 | 广东美的厨房电器制造有限公司 | Communication module, control method and device thereof, readable storage medium and household appliance |
| CN114584175B (en) * | 2022-03-29 | 2023-05-30 | Oppo广东移动通信有限公司 | Interference control method and related device |
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| US20020002562A1 (en) * | 1995-11-03 | 2002-01-03 | Thomas P. Moran | Computer controlled display system using a graphical replay device to control playback of temporal data representing collaborative activities |
| US8346762B2 (en) * | 2006-08-07 | 2013-01-01 | Apple Inc. | Creation, management and delivery of map-based media items |
| CN101072339B (en) * | 2007-06-12 | 2010-06-09 | 北京中星微电子有限公司 | Method and system for controlling play frame rate synchronization |
| US9787738B2 (en) * | 2012-06-19 | 2017-10-10 | Circle Technology, Inc. | Closed network video presentation |
| CN105871478A (en) * | 2015-12-11 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Method and device for resisting high order harmonic interferences of display screen MIPI (Mobile Industry Processor Interface) bus, and mobile terminal |
| CN105657535B (en) * | 2015-12-29 | 2018-10-30 | 北京搜狗科技发展有限公司 | A kind of audio identification methods and device |
| CN107453837A (en) * | 2016-05-30 | 2017-12-08 | 中兴通讯股份有限公司 | The method of adjustment and device of LCD signal |
| CN107231201A (en) * | 2017-05-25 | 2017-10-03 | 奇酷互联网络科技（深圳）有限公司 | Alleviate method and electronic equipment of the display screen to antenna interference |
| CN107734378B (en) * | 2017-10-31 | 2019-11-01 | 维沃移动通信有限公司 | A kind of audio and video synchronization method, device and mobile terminal |
| CN108093135B (en) * | 2017-12-15 | 2019-08-30 | Oppo广东移动通信有限公司 | The anti-interference method and Related product of electronic equipment |
| CN108521658A (en) * | 2018-03-30 | 2018-09-11 | 努比亚技术有限公司 | Reduce interference method, mobile terminal and computer readable storage medium |
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