Control method and device of karaoke projector
A control method and technology of a control device, which are applied in the field of projectors and can solve problems such as equipment not being able to sing normally
Active Publication Date: 2020-09-04
深圳市橙子数字科技有限公司
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Problems solved by technology
[0004] The object of the present invention is to provide a control method and device for a karaoke projector, so as to solve the problem that the equipment cannot karaoke normally when there are multiple USB modules in the karaoke projector existing in the prior art
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Embodiment 2
[0033] Embodiment 2 of the present invention provides a control device for a karaoke projector. The control device includes a device management module, a device selection module and an audio management module:
[0034] When the device management module detects that the karaoke projector is connected to an external USB module, it adds an external USB module option in the module selection list provided by the device selection module;
[0035] When the device management module obtains the built-in USB module in the user selection module selection list through the device selection module, it sends information to the audio management module, and the audio management module controls the external USB module to stop working, and from The built-in USB module obtains an audio signal;
[0036] The device management module sends information to the audio management module when the user selects the external USB module in the module selection list through the device selection module, and the...
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The invention provides a control method and device for a karaoke projector, and the method comprises the steps: adding an external USB module option in a module selection list when detecting that thekaraoke projector is connected with an external USB module; when a user selects the built-in USB module in the module selection list, controlling the external USB module to stop working, and obtainingan audio signal from the built-in USB module; and when the user selects the external USB module in the module selection list, controlling the internal USB module to stop working, and obtaining an audio signal from the external USB module. According to the technical scheme of the invention, two or more than two karaoke modules can be compatible at the same time; a user can select different modulesto experience the karaoke function according to preference requirements, and can select any module in the list to perform karaoke, so that perfect karaoke experience is achieved, and the problem thatthe karaoke projector in the prior art can only realize the karaoke function based on a single module is solved.
Description
technical field [0001] The invention relates to the technical field of projectors, in particular to a control method and device for a karaoke projector. Background technique [0002] At present, with the development of technology, there are more and more portable karaoke devices. The mainstream karaoke methods on the market include wired microphones connected to karaoke machines, wireless microphones connected to karaoke machines, wireless microphones plus USB dongles connected to smart devices, wireless The microphone and the built-in USB karaoke module are connected to the device to achieve the purpose of karaoke. [0003] In the Android system of the karaoke projector, the existing technology is based on a single module to realize the karaoke function. When there are multiple USB modules in a karaoke projector, the system will appear that some devices cannot karaoke normally. , affecting the user's karaoke experience. Contents of the invention [0004] The object of t...
Claims
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IPC IPC(8): H04N9/31G10H1/36
CPCG10H1/361H04N9/3141
Inventor 刘正华吴志乐
Owner 深圳市橙子数字科技有限公司