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Method and terminal for reducing influence of environment noise on video

A kind of environmental noise and terminal technology, applied in voice analysis, instruments, etc., can solve the problem of interfering with the user's listening effect

Inactive Publication Date: 2010-11-24
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Users can watch rich video programs anytime and anywhere while moving, but no matter on the subway or on the bus, noisy environmental noise will interfere with the user's listening effect, so it is generated in an environment with noisy background noise to improve the user's viewing experience. Mobile TV Satisfaction Demands

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  • Method and terminal for reducing influence of environment noise on video
  • Method and terminal for reducing influence of environment noise on video
  • Method and terminal for reducing influence of environment noise on video

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Embodiment Construction

[0021] The technical scheme of the present invention only adjusts the software framework to add the noise reduction method under the precondition of not changing the existing terminal hardware, so as to realize the output of clearer sound in a noisy environment.

[0022] The technical scheme of the present invention includes the following features:

[0023] The user chooses whether to perform noise reduction processing when playing mobile TV programs or other audiovisual programs according to the strength of the environmental noise;

[0024] When playing a program, the terminal MIC picks up environmental noise;

[0025] Perform noise reduction processing on program sound by noise reduction method;

[0026] Prioritize the mobile phone TV sound after the noise reduction processing is output by the earphone;

[0027] If the earphone is not plugged in, choose to output the mobile TV sound after noise reduction processing through the Speaker.

[0028] The technical scheme of the present invent...

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Abstract

The invention relates to a method and a terminal for reducing influence of environment noise on video. The method comprises the following steps: picking up the environment noise by a terminal MIC when a terminal plays a program; denoising program sound by a denoising method; performing A / D and D / A conversion on the MIC collected environment noise and the denoised program sound; and outputting the denoised video sound by a Speaker. Users can select whether a mobile TV program requires denoising or not according to the intensity of the environment noise, because denoising processing can increase load of a mobile phone baseband processor and reduce standby duration of the mobile phone. In the invention, the mobile phone with a mobile TV function is changed little, is convenient for use, and enriches functions of the mobile terminal, thus fulfilling the requirement that a user needs to hear clear sound when watching the mobile TV in a noisy background environment.

Description

Technical field [0001] The present invention relates to the technical field of sound processing, and more specifically, to a method and terminal for reducing the influence of environmental noise on audio. Background technique [0002] It is very common to watch video programs or listen to audio programs through terminals, especially mobile terminals. In recent years, with the popularity of mobile phone TV, it has become more and more common for users to watch mobile phone TV programs through mobile phones. Mobile TV is a technology that uses mobile phones as terminal devices to transmit TV content. It uses mobile terminals to provide users with video information services. Its advantage is that it can be interactive, the user management and billing mechanism are perfect, and the customization and interactive operation of video programs can be very convenient. At present, the mobile TV standards of various countries are not uniform, and China's mobile TV industry standard is CMMB....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/02G10L21/0216
Inventor 吴鑫琦
Owner ZTE CORP