A spread spectrum control method, electronic equipment and storage medium
A control method and spread-spectrum technology, applied in the direction of digital output to display equipment, electrical digital data processing, instruments, etc., can solve problems such as black screen, affecting user experience, and no signal output of audio-visual equipment, and achieve the effect of improving user experience
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Embodiment 1
[0024] The spread spectrum control method provided in this embodiment is applicable to the situation where the spread spectrum function is enabled during the system operation phase of the audio-visual equipment in order to improve the anti-electromagnetic interference capability of the audio-visual equipment, and the method can be executed by the spread-spectrum control device. The device can be realized by software and / or hardware, and the device can be integrated in audio-visual equipment, such as a set-top box, DVD player, personal computer or LCD TV. see figure 2 , the method of this implementation specifically includes the following steps:
[0025] S110. Acquire a spread spectrum control button during the pre-startup phase.
[0026] Wherein, the spread spectrum control button refers to the button that controls the opening and closing state of the spread spectrum function, which can be preset, for example, it can be an independent button, or a combination of multiple ind...
Embodiment 2
[0046] This embodiment further optimizes "determining the spread spectrum control flag according to the spread spectrum control key and the mapping relationship between the control key and the control flag" on the basis of the first embodiment above. The explanations of terms that are the same as or corresponding to the above-mentioned embodiments will not be repeated here. see image 3 , the spread spectrum control method provided in this embodiment includes:
[0047] S210. Acquire a spread spectrum control key during the pre-startup phase.
[0048] S220. If the spread spectrum control button is the first preset control button, determine the spread spectrum control flag as the preset spread spectrum control flag according to the mapping relationship between the control button and the control flag.
[0049] Wherein, the first preset control button refers to a preset control button corresponding to the operation of enabling the spread spectrum function. The preset spread spe...
Embodiment 3
[0065] In this embodiment, on the basis of the first embodiment above, an operation of adjusting the spread spectrum amplitude is added. The explanations of terms that are the same as or corresponding to the above-mentioned embodiments will not be repeated here. see Figure 4 , the spread spectrum control method provided in this embodiment includes:
[0066] S310. Acquire a spread spectrum control button during the pre-startup phase.
[0067] S320. Determine the spread spectrum control flag according to the spread spectrum control key and the mapping relationship between the control key and the control flag.
[0068] S330. Control the spread spectrum state according to the spread spectrum control flag.
[0069] S340. Acquire the current screen resolution when the spread spectrum control flag is the preset spread spectrum control flag.
[0070] Among them, the screen resolution refers to the resolution of the screen display, usually measured by horizontal pixels and vertica...
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