Method for selecting sound channel of television set

A sound channel and TV technology, applied in the TV field, can solve the problem that the sound output cannot meet the needs of users.

CN101404740AInactive Publication Date: 2009-04-08SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Current Assignee / Owner: SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
Publication Date: 2009-04-08
Estimated Expiration: Not applicable · inactive patent

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Abstract

The invention discloses a method for selecting a TV sound channel. The method comprises the following steps: S1: a CPU is used for detecting signal in real time to judge whether the signal is stable; S2: judgment is performed to see whether the current signal is a YPbPr / YCbCr signal, or a VGA signal or a DVI signal according to the detected horizontal and filed synchronizing ranges; S3: the detected signal is output by a corresponding channel and the corresponding signal sound channel is set as a current sound channel; S4: the information of a sound output channel stored in an EERPOM is read to judge whether the sound output channel changes or not; and S5: the content output by the sound output channel is transmitted to the current sound channel for outputting the sound. Compared with the prior art, in the method, an AV sound is output to a loudspeaker by a software process when the AV sound is not in an AV channel, so as to ensure that users can simultaneously watch the YPbPr / YCbCr signal, the VGA signal, the DVI signal, and the like, while hearing the sound of corresponding image content.

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Description

【Technical field】

[0001] The invention relates to the technical field of television sets, in particular to a method for selecting a sound channel of a television set. 【Background technique】

[0002] At present, television sets have become a necessity and a main tool for leisure and entertainment in people's daily life, and people are enriching spare time life by watching TV programs every day. However, as people's demand for information and new things increases, TVs with a single TV channel can no longer be satisfied, and channels such as TV, AV, SVIDEO, component, computer, HDMI, USB, and multimedia are also produced accordingly. Television has developed from a single TV signal in the past to a multi-channel, multi-standard, multi-functional integrated audio-visual platform. However, the addition of input channels has created new problems. Some input signals have only images without sound. As an audio-visual tool, image and sound are two necessary conditions for a TV set. ...

Claims

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