A car anti-crosstalk system

Abstract

The present invention proposes an automobile anti-crosstalk system, comprising a display screen arranged in an automobile, the display screen comprising a display screen body, an MCU fixed mounting seat for fixedly mounting an MCU and a playback module fixed mounting seat for fixedly mounting a playback module are arranged in the display screen body, the MCU is fixedly mounted on the MCU fixed mounting seat, the playback module is fixedly mounted on the playback module fixed mounting seat, the playback data end of the MCU is connected to the data end of the playback module, and also comprises an anti-crosstalk module fixed mounting seat arranged in the display screen body for fixedly mounting an anti-crosstalk module, the anti-crosstalk module is fixedly mounted on the anti-crosstalk module fixed mounting seat, the crosstalk data end of the MCU is connected to the data end of the anti-crosstalk module, and the automobile reduces the crosstalk effect of the automobile display screen during driving. The present invention can reduce the anti-crosstalk effect of the automobile and enhance the experience.

Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to an automobile anti-crosstalk system. Background Art

[0002] Crosstalk may occur during driving, resulting in a decrease in user experience. In order to reduce interference, it is necessary to eliminate interference, so as to improve the user experience. Summary of the invention

[0003] The present invention aims to at least solve the technical problems existing in the prior art, and in particular innovatively proposes an automobile anti-crosstalk system.

[0004] In order to achieve the above-mentioned purpose of the present invention, the present invention provides an automobile anti-crosstalk system, including a display screen arranged in an automobile, the display screen including a display screen body, an MCU fixed mounting seat for fixedly installing an MCU and a playback module fixed mounting seat for fixedly installing a playback module are arranged in the display screen body, the MCU is fixedly installed on the MCU fixed mounting seat, the playback module is fixedly installed on the playback module fixed mounting seat, the playback data end of the MCU is connected to the data end of the playback module, the video data end of the playback module is connected to the video data end of the display screen, the audio data end of the playback module is connected to the audio data end of a speaker arranged on the display screen, and also includes an anti-crosstalk module fixed mounting seat arranged in the display screen body for fixedly installing the anti-crosstalk module, the anti-crosstalk module is fixedly installed on the anti-crosstalk module fixed mounting seat, the crosstalk data end of the MCU is connected to the data end of the anti-crosstalk module, and the crosstalk effect of the automobile display screen is reduced during driving.

[0005] In a preferred embodiment of the present invention, the display screen includes a central control screen and / or an instrument screen;

[0006] When the display screen is a central control screen, it includes a central control screen arranged in the car, the central control screen includes a central control screen body, a central control screen MCU fixed mounting seat for fixedly installing the central control screen MCU and a central control screen playback module fixed mounting seat for fixedly installing the central control screen playback module are arranged in the central control screen body, the central control screen MCU is fixedly installed on the central control screen MCU fixed mounting seat, the central control screen playback module is fixedly installed on the central control screen playback module fixed mounting seat, the playback data end of the central control screen MCU is connected to the data end of the central control screen playback module, the video data end of the central control screen playback module is connected to the video data end of the central control screen, the audio data end of the central control screen playback module is connected to the audio data end of the speaker arranged on the central control screen, and also includes a central control screen anti-crosstalk module fixed mounting seat arranged in the central control screen body for fixedly installing the central control screen anti-crosstalk module, the central control screen anti-crosstalk module is fixedly installed on the central control screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the central control screen MCU is connected to the data end of the central control screen anti-crosstalk module, and the crosstalk effect of the central control screen of the car is reduced during driving;

[0007] When the display screen is an instrument screen, it includes an instrument screen arranged in a car, and the instrument screen includes an instrument screen body, an instrument screen MCU fixed mounting seat for fixedly installing the instrument screen MCU and an instrument screen playback module fixed mounting seat for fixedly installing the instrument screen playback module are arranged in the instrument screen body, the instrument screen MCU is fixedly installed on the instrument screen MCU fixed mounting seat, the instrument screen playback module is fixedly installed on the instrument screen playback module fixed mounting seat, the playback data end of the instrument screen MCU is connected to the data end of the instrument screen playback module, the video data end of the instrument screen playback module is connected to the video data end of the instrument screen, the audio data end of the instrument screen playback module is connected to the audio data end of the speaker arranged on the instrument screen, and also includes an instrument screen anti-crosstalk module fixed mounting seat arranged in the instrument screen body for fixedly installing the instrument screen anti-crosstalk module, the instrument screen anti-crosstalk module is fixedly installed on the instrument screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the instrument screen MCU is connected to the data end of the instrument screen anti-crosstalk module, and the crosstalk effect of the instrument screen of the car is reduced during driving.

[0008] In a preferred embodiment of the present invention, the anti-crosstalk method comprises the following steps:

[0009] S1, determine whether the car is in driving state:

[0010] If the car is in driving state, execute the next step;

[0011] If the car is not in a driving state, execute step S1;

[0012] S2, determine whether the display screen is in the playing state:

[0013] If the display screen is in the playing state, proceed to the next step;

[0014] If the display screen is in a non-playing state, execute step S1 or S2;

[0015] S3, MCU collects the running sound of the car through the anti-crosstalk module;

[0016] S4, according to the running sound of the vehicle and the video sound or instrument indication sound to be emitted by the display screen, the display screen emits the actual video sound or instrument indication sound.

[0017] In a preferred embodiment of the present invention, in step S1, the method for determining whether the vehicle is in a driving state is:

[0018] If the car engine is started and the speed is not 0, it means that the car is in driving state at this moment;

[0019] If the car engine is not started, or the speed is 0, it means that the car is not running at this moment;

[0020] In step S2, the method for determining whether the display screen is in the playing state is:

[0021] If the display screen plays a video screen or an instrument indication screen, the display screen is in the playing state;

[0022] If the display screen is not playing a picture, the display screen is in a non-playing state.

[0023] In a preferred embodiment of the present invention, in step S4, the following steps are included:

[0024] S41, transforming the running sound into a t1-f1 running sound image, where t1-f1 represents a graph with time t1 as the horizontal axis and amplitude f1 as the vertical axis;

[0025] S42, transforming the video sound or instrument indication sound into a t2-f2 video sound or instrument indication sound image, where t2-f2 represents a graph with time t2 as the horizontal axis and amplitude f2 as the vertical axis;

[0026] S43, performing a horizontal axis symmetric transformation on the t1-f1 running sound image in step S41 to obtain a t1-f1 running sound transformation image, that is, f'(t1,f1)=-f(t1,f1), where f(t1,f1) represents the t1-f1 running sound image, and f'(t1,f1) represents the t1-f1 running sound transformation image;

[0027] S44, determining the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and lengthening the horizontal axis time of the t1-f1 running sound transformation image in step S43 according to the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, so as to be equal to the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and obtaining an equal length image of the t1-f1 running sound;

[0028] S45, align the origin of the t2-f2 video and audio or instrument indication sound image in step S42 with the origin of the t1-f1 running sound equal length image in step S44, and superimpose the amplitudes at the same time to obtain a superimposed image; that is, f"'(t1,f1)=f"(t1,f1)+f(t2,f2), f"'(t1,f1) represents the superimposed image, f"(t1,f1) represents the t1-f1 running sound equal length image, and f(t2,f2) represents the t2-f2 video and audio or instrument indication sound image;

[0029] S46, playing the waveform on the superimposed image through the playing module, the waveform on the superimposed image played by the playing module is the actual video sound or instrument indication sound.

[0030] In a preferred embodiment of the present invention, in step S44, according to the horizontal axis time of the t1-f1 running sound conversion image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, the horizontal axis time of the t1-f1 running sound conversion image in S43 is lengthened to be equal to the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and the method for obtaining the t1-f1 running sound equal length image includes the following steps:

[0031] S441, according to the horizontal axis time of the running sound conversion image t1-f1 in step S43 and the horizontal axis time of the video sound or instrument indication sound image t2-f2 in step S42, calculate the number of time extension segments, and the calculation method of the number of time extension segments is:

[0032]

[0033] Where n represents the number of time extension periods;

[0034] T2 represents the horizontal axis time of the t2-f2 video sound or instrument indication sound graph in step S42;

[0035] T1 represents the horizontal axis time of the running sound conversion image t1-f1 in step S43;

[0036] Z+ represents the set of positive integers, Z + ={1,2,3,...};

[0037] Indicates the rounding up algorithm;

[0038] S442, there are n t1-f1 running sound transformation images in step S43, namely, the 1st t1-f1 running sound transformation image, the 2nd t1-f1 running sound transformation image, the 3rd t1-f1 running sound transformation image, ..., the nt1-f1 running sound transformation image; the waveform of the 2nd t1-f1 running sound transformation image is translated along the horizontal axis for T1 time to obtain the 2nd t1-f1 running sound translation image; the waveform of the 3rd t1-f1 running sound transformation image is translated along the horizontal axis for 2T1 time to obtain the 3rd t1-f1 running sound translation image; the waveform of the 4th t1-f1 running sound transformation image is translated along the horizontal axis for 3T1 time to obtain the 4th t1-f1 running sound translation image; ...; the waveform of the nt1-f1 running sound transformation image is translated along the horizontal axis for n-1T1 time to obtain the nt1-f1 running sound translation image;

[0039] S443, overlap the origin of the 1st t1-f1 running sound transformation image, the origin of the 2nd t1-f1 running sound translation image, the origin of the 3rd t1-f1 running sound translation image, the origin of the 4th t1-f1 running sound translation image, ..., the origin of the nt1-f1 running sound translation image, and superimpose the amplitudes at the same time to obtain the overlapped image; that is, f'(t1,f1)'=f'(t1,f1)+f'(t1,f1)2+f'(t1,f1)3+f'(t1,f1)4+...+f'(t1,f1) n , where f'(t1,f1)' represents the overlapped image, f'(t1,f1) represents the t1-f1 running sound transformation image, which is also the 1st t1-f1 running sound transformation image, f'(t1,f1)2 represents the 2nd t1-f1 running sound translation image, f'(t1,f1)3 represents the 3rd t1-f1 running sound translation image, f'(t1,f1)4 represents the 4th t1-f1 running sound translation image, and f'(t1,f1) n It represents the nt1-f1 running sound translation image;

[0040] S444, determine the relationship between n and T2 / T1:

[0041] If n = T2 / T1, then the coincident image is an image of equal length to the running sound of t1-f1;

[0042] If n≠T2 / T1, then the origin of the overlapped image is overlapped with the origin of the t2-f2 video and audio or instrument indication sound image, the part of the overlapped image that does not overlap with the t2-f2 video and audio or instrument indication sound image is cut off, and the t2-f2 video and audio or instrument indication sound image is removed to obtain an image of the same length as the t1-f1 running sound.

[0043] In summary, due to the adoption of the above technical solution, the present invention can reduce the anti-crosstalk effect of the car and enhance the experience.

[0044] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0046] Figure 1 It is a schematic block diagram of the process of the present invention. DETAILED DESCRIPTION

[0047] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0048] The present invention provides an automobile crosstalk prevention system, comprising a display screen arranged in an automobile, the display screen comprising a display screen body, an MCU fixing mounting seat for fixing an MCU and a playback module fixing mounting seat for fixing a playback module arranged in the display screen body, the MCU is fixedly mounted on the MCU fixing mounting seat, the playback module is fixedly mounted on the playback module fixing mounting seat, the playback data end of the MCU is connected with the data end of the playback module, and also comprises an anti-crosstalk module fixing mounting seat arranged in the display screen body for fixing an anti-crosstalk module, the anti-crosstalk module is fixedly mounted on the anti-crosstalk module fixing mounting seat, the crosstalk data end of the MCU is connected with the data end of the anti-crosstalk module, and the crosstalk effect of the automobile display screen is reduced during driving of the automobile.

[0049] In a preferred embodiment of the present invention, the display screen includes a central control screen and / or an instrument screen;

[0050] When the display screen is a central control screen, it includes a central control screen arranged in the car, the central control screen includes a central control screen body, a central control screen MCU fixed mounting seat for fixedly installing the central control screen MCU and a central control screen playback module fixed mounting seat for fixedly installing the central control screen playback module are arranged in the central control screen body, the central control screen MCU is fixedly installed on the central control screen MCU fixed mounting seat, the central control screen playback module is fixedly installed on the central control screen playback module fixed mounting seat, the playback data end of the central control screen MCU is connected to the data end of the central control screen playback module, and also includes a central control screen anti-crosstalk module fixed mounting seat arranged in the central control screen body for fixedly installing the central control screen anti-crosstalk module, the central control screen anti-crosstalk module is fixedly installed on the central control screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the central control screen MCU is connected to the data end of the central control screen anti-crosstalk module, and the crosstalk effect of the central control screen of the car is reduced during driving;

[0051] When the display screen is an instrument screen, it includes an instrument screen arranged in a car, and the instrument screen includes an instrument screen body, an instrument screen MCU fixed mounting seat for fixedly installing the instrument screen MCU and an instrument screen playback module fixed mounting seat for fixedly installing the instrument screen playback module are arranged in the instrument screen body, the instrument screen MCU is fixedly installed on the instrument screen MCU fixed mounting seat, the instrument screen playback module is fixedly installed on the instrument screen playback module fixed mounting seat, the playback data end of the instrument screen MCU is connected to the data end of the instrument screen playback module, and also includes an instrument screen anti-crosstalk module fixed mounting seat arranged in the instrument screen body for fixedly installing the instrument screen anti-crosstalk module, the instrument screen anti-crosstalk module is fixedly installed on the instrument screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the instrument screen MCU is connected to the data end of the instrument screen anti-crosstalk module, so that the crosstalk effect of the instrument screen of the car is reduced during driving.

[0052] In a preferred embodiment of the present invention, Figure 1 As shown, the anti-crosstalk method includes the following steps:

[0053] S1, determine whether the car is in driving state:

[0054] If the car is in driving state, execute the next step;

[0055] If the car is not in a driving state, execute step S1;

[0056] S2, determine whether the display screen is in the playing state:

[0057] If the display screen is in the playing state, proceed to the next step;

[0058] If the display screen is in a non-playing state, execute step S1 or S2;

[0059] S3, MCU collects the running sound of the car through the anti-crosstalk module;

[0060] S4, according to the running sound of the vehicle and the video sound or instrument indication sound to be emitted by the display screen, the display screen emits the actual video sound or instrument indication sound.

[0061] In a preferred embodiment of the present invention, in step S1, the method for determining whether the vehicle is in a driving state is:

[0062] If the car engine is started and the speed is not 0, it means that the car is in driving state at this moment;

[0063] If the car engine is not started, or the speed is 0, it means that the car is not running at this moment;

[0064] In step S2, the method for determining whether the display screen is in the playing state is:

[0065] If the display screen plays a video screen or an instrument indication screen, the display screen is in the playing state;

[0066] If the display screen is not playing a picture, the display screen is in a non-playing state.

[0067] In a preferred embodiment of the present invention, in step S4, the following steps are included:

[0068] S41, transforming the running sound into a t1-f1 running sound image, where t1-f1 represents a graph with time t1 as the horizontal axis and amplitude f1 as the vertical axis;

[0069] S42, transforming the video sound or instrument indication sound into a t2-f2 video sound or instrument indication sound image, where t2-f2 represents a graph with time t2 as the horizontal axis and amplitude f2 as the vertical axis;

[0070] S43, performing a horizontal axis symmetric transformation on the t1-f1 running sound image in step S41 to obtain a t1-f1 running sound transformation image, that is, f'(t1,f1)=-f(t1,f1), where f(t1,f1) represents the t1-f1 running sound image, and f'(t1,f1) represents the t1-f1 running sound transformation image;

[0071] S44, determining the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and lengthening the horizontal axis time of the t1-f1 running sound transformation image in step S43 according to the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, so as to be equal to the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and obtaining an equal length image of the t1-f1 running sound;

[0072] S45, align the origin of the t2-f2 video and audio or instrument indication sound image in step S42 with the origin of the t1-f1 running sound equal length image in step S44, and superimpose the amplitudes at the same time to obtain a superimposed image; that is, f"'(t1,f1)=f"(t1,f1)+f(t2,f2), f"'(t1,f1) represents the superimposed image, f"(t1,f1) represents the t1-f1 running sound equal length image, and f(t2,f2) represents the t2-f2 video and audio or instrument indication sound image;

[0073] S46, playing the waveform on the superimposed image through the playing module, the waveform on the superimposed image played by the playing module is the actual video sound or instrument indication sound.

[0074] In a preferred embodiment of the present invention, in step S44, according to the horizontal axis time of the t1-f1 running sound conversion image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, the horizontal axis time of the t1-f1 running sound conversion image in S43 is lengthened to be equal to the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and the method for obtaining the t1-f1 running sound equal length image includes the following steps:

[0075] S441, according to the horizontal axis time of the running sound conversion image t1-f1 in step S43 and the horizontal axis time of the video sound or instrument indication sound image t2-f2 in step S42, calculate the number of time extension segments, and the calculation method of the number of time extension segments is:

[0076]

[0077] Where n represents the number of time extension periods;

[0078] T2 represents the horizontal axis time of the t2-f2 video sound or instrument indication sound graph in step S42;

[0079] T1 represents the horizontal axis time of the running sound conversion image t1-f1 in step S43;

[0080] Z+ represents the set of positive integers, Z + ={1,2,3,...};

[0081] Indicates the rounding up algorithm;

[0082] S442, there are n t1-f1 running sound transformation images in step S43, namely, the 1st t1-f1 running sound transformation image, the 2nd t1-f1 running sound transformation image, the 3rd t1-f1 running sound transformation image, ..., the nt1-f1 running sound transformation image; the waveform of the 2nd t1-f1 running sound transformation image is translated along the horizontal axis for T1 time to obtain the 2nd t1-f1 running sound translation image; the waveform of the 3rd t1-f1 running sound transformation image is translated along the horizontal axis for 2T1 time to obtain the 3rd t1-f1 running sound translation image; the waveform of the 4th t1-f1 running sound transformation image is translated along the horizontal axis for 3T1 time to obtain the 4th t1-f1 running sound translation image; ...; the waveform of the nt1-f1 running sound transformation image is translated along the horizontal axis for n-1T1 time to obtain the nt1-f1 running sound translation image;

[0083] S443, overlap the origin of the 1st t1-f1 running sound transformation image, the origin of the 2nd t1-f1 running sound translation image, the origin of the 3rd t1-f1 running sound translation image, the origin of the 4th t1-f1 running sound translation image, ..., the origin of the nt1-f1 running sound translation image, and superimpose the amplitudes at the same time to obtain the overlapped image; that is, f'(t1,f1)'=f'(t1,f1)+f'(t1,f1)2+f'(t1,f1)3+f'(t1,f1)4+...+f'(t1,f1) n , where f'(t1,f1)' represents the overlapped image, f'(t1,f1) represents the t1-f1 running sound transformation image, which is also the 1st t1-f1 running sound transformation image, f'(t1,f1)2 represents the 2nd t1-f1 running sound translation image, f'(t1,f1)3 represents the 3rd t1-f1 running sound translation image, f'(t1,f1)4 represents the 4th t1-f1 running sound translation image, and f'(t1,f1) n It represents the nt1-f1 running sound translation image;

[0084] S444, determine the relationship between n and T2 / T1:

[0085] If n = T2 / T1, then the coincident image is an image of equal length to the running sound of t1-f1;

[0086] If n≠T2 / T1, then the origin of the overlapped image is overlapped with the origin of the t2-f2 video and audio or instrument indication sound image, the part of the overlapped image that does not overlap with the t2-f2 video and audio or instrument indication sound image is cut off, and the t2-f2 video and audio or instrument indication sound image is removed to obtain an image of the same length as the t1-f1 running sound.

[0087] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automobile crosstalk prevention system, comprising a display screen arranged in an automobile, the display screen comprising a display screen body, an MCU fixing mounting seat for fixing an MCU and a playback module fixing mounting seat for fixing a playback module are arranged in the display screen body, the MCU is fixedly mounted on the MCU fixing mounting seat, the playback module is fixedly mounted on the playback module fixing mounting seat, the playback data end of the MCU is connected to the data end of the playback module, and is characterized in that: The system also includes an anti-crosstalk module fixed mounting seat arranged in the display screen body for fixedly mounting the anti-crosstalk module, the anti-crosstalk module is fixedly mounted on the anti-crosstalk module fixed mounting seat, the crosstalk data end of the MCU is connected to the data end of the anti-crosstalk module, and the crosstalk effect of the automobile display screen is reduced during the driving process of the automobile. The anti-crosstalk working method of the automobile anti-crosstalk system includes the following steps: S1, determine whether the car is in driving state: If the car is in driving state, execute the next step; If the car is not in a driving state, execute step S1; S2, determine whether the display screen is in the playing state: If the display screen is in the playing state, proceed to the next step; If the display screen is in a non-playing state, execute step S1 or S2; S3, MCU collects the running sound of the car through the anti-crosstalk module; S4, according to the running sound of the vehicle and the video sound or instrument indication sound to be emitted by the display screen, the display screen emits the actual video sound or instrument indication sound; the method for the display screen to emit the actual video sound or instrument indication sound comprises the following steps: S41, transforming the running sound into a t1-f1 running sound image, where t1-f1 represents a graph with time t1 as the horizontal axis and amplitude f1 as the vertical axis; S42, transforming the video sound or instrument indication sound into a t2-f2 video sound or instrument indication sound image, where t2-f2 represents a graph with time t2 as the horizontal axis and amplitude f2 as the vertical axis; S43, performing a horizontal axis symmetric transformation on the t1-f1 running sound image in step S41 to obtain a t1-f1 running sound transformation image, that is, f'(t1,f1)=-f(t1,f1), f(t1,f1) represents the t1-f1 running sound image, and f'(t1,f1) represents the t1-f1 running sound transformation image; S44, determining the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and lengthening the horizontal axis time of the t1-f1 running sound transformation image in step S43 according to the horizontal axis time of the t1-f1 running sound transformation image in step S43 and the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, so as to be equal to the horizontal axis time of the t2-f2 video sound or instrument indication sound image in step S42, and obtaining an equal length image of the t1-f1 running sound; S45, align the origin of the t2-f2 video and audio or instrument indication sound image in step S42 with the origin of the t1-f1 running sound equal length image in step S44, and superimpose the amplitudes at the same time to obtain a superimposed image; that is, f'''(t1,f1)=f''(t1,f1)+f(t2,f2), f'''(t1,f1) represents the superimposed image, f''(t1,f1) represents the t1-f1 running sound equal length image, and f(t2,f2) represents the t2-f2 video and audio or instrument indication sound image; S46, playing the waveform on the superimposed image through the playing module, the waveform on the superimposed image played by the playing module is the actual video sound or instrument indication sound.

2. The automobile anti-crosstalk system according to claim 1, characterized in that: The display screen includes a central control screen and / or an instrument screen; When the display screen is a central control screen, it includes a central control screen arranged in the car, the central control screen includes a central control screen body, a central control screen MCU fixed mounting seat for fixedly installing the central control screen MCU and a central control screen playback module fixed mounting seat for fixedly installing the central control screen playback module are arranged in the central control screen body, the central control screen MCU is fixedly installed on the central control screen MCU fixed mounting seat, the central control screen playback module is fixedly installed on the central control screen playback module fixed mounting seat, the playback data end of the central control screen MCU is connected to the data end of the central control screen playback module, and also includes a central control screen anti-crosstalk module fixed mounting seat arranged in the central control screen body for fixedly installing the central control screen anti-crosstalk module, the central control screen anti-crosstalk module is fixedly installed on the central control screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the central control screen MCU is connected to the data end of the central control screen anti-crosstalk module, and the crosstalk effect of the central control screen of the car is reduced during driving; When the display screen is an instrument screen, it includes an instrument screen arranged in a car, and the instrument screen includes an instrument screen body, an instrument screen MCU fixed mounting seat for fixedly installing the instrument screen MCU and an instrument screen playback module fixed mounting seat for fixedly installing the instrument screen playback module are arranged in the instrument screen body, the instrument screen MCU is fixedly installed on the instrument screen MCU fixed mounting seat, the instrument screen playback module is fixedly installed on the instrument screen playback module fixed mounting seat, the playback data end of the instrument screen MCU is connected to the data end of the instrument screen playback module, and also includes an instrument screen anti-crosstalk module fixed mounting seat arranged in the instrument screen body for fixedly installing the instrument screen anti-crosstalk module, the instrument screen anti-crosstalk module is fixedly installed on the instrument screen anti-crosstalk module fixed mounting seat, the crosstalk data end of the instrument screen MCU is connected to the data end of the instrument screen anti-crosstalk module, and the crosstalk effect of the instrument screen of the car is reduced during driving.

3. The automobile anti-crosstalk system according to claim 1, characterized in that: In step S1, the method for determining whether the vehicle is in a driving state is: If the car engine is started and the speed is not 0, it means that the car is in driving state at this moment; If the car engine is not started, or the speed is 0, it means that the car is not running at this moment; In step S2, the method for determining whether the display screen is in the playing state is: If the display screen plays a video screen or an instrument indication screen, the display screen is in the playing state; If the display screen is not playing a picture, the display screen is in a non-playing state.

Images