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Image display device and its control method for control sound volume according to the position of speaker on picture

An image display device and speaker technology, which can be used in image communication, components of color TVs, components of TV systems, etc., and can solve problems such as lack of reality.

Inactive Publication Date: 2007-11-07
NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In fact, if there are more than two speakers in different positions, the output direction and volume of the sound heard from them will be different; therefore, the sound heard from a traditional sound system will feel a little unrealistic sense

Method used

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  • Image display device and its control method for control sound volume according to the position of speaker on picture
  • Image display device and its control method for control sound volume according to the position of speaker on picture
  • Image display device and its control method for control sound volume according to the position of speaker on picture

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Embodiment Construction

[0034] Next, referring to FIGS. 1 to 3, examples of the present invention will be described in more detail.

[0035] FIG. 1 is a block diagram of a television receiver in the present invention.

[0036] As can be seen from FIG. 1 , the television receiver 100 is composed of the following parts, namely: antenna 10, tuner 12, sound and image signal separation part 14, sound signal detection part 16, sound signal processing part 18, image signal detection part 20. Speaker position detection unit 22, volume adjustment unit 24, microcomputer 26, operation unit 28, multiple speakers 30-1, 30-2, 30-N, image signal processing unit 32, and display unit 34.

[0037] The antenna 10 receives a broadcast signal broadcast from a TV station. Within a predetermined section of the broadcast signal, the position information of the speaker to be displayed on the screen is included. For example, in a common analog broadcast signal, information such as a broadcast frequency and a broadcast chann...

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Abstract

This invention relates to an image display equipment capable of controlling sound volume according to speaker's position in image and the control method, which contains speaker position picking up device for picking up position information from received television signal, at least two loudspeakers set in display equipment or independently setting, sound volume adjuster, and computer for controlling all units to work.

Description

technical field [0001] The invention relates to an image display device and its control method for controlling volume according to the position of a speaker on the screen. More specifically, it relates to an image display device and a control method thereof, in which the sound volume output from each speaker varies depending on the speaker's position on the screen of the image display device. Background technique [0002] Along with the development of the electronic industry, image display devices such as televisions have been increasingly developed in terms of their functions. In particular, from receiving broadcast signals in the past, it was just a simple way to display images, and now it has developed into an image display device with various functions. [0003] Recently, with the appearance of liquid crystal display LCD projection TV, liquid crystal display LCD rear projection TV, plasma display PDP, etc., the screen of image display equipment is developing towards the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44H04N5/60
Inventor 李秀真
Owner NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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