CN100348020C - Image display device and its control method for control sound volume according to the position of speaker on picture - Google Patents
Image display device and its control method for control sound volume according to the position of speaker on picture Download PDFInfo
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- CN100348020C CN100348020C CNB2004100504086A CN200410050408A CN100348020C CN 100348020 C CN100348020 C CN 100348020C CN B2004100504086 A CNB2004100504086 A CN B2004100504086A CN 200410050408 A CN200410050408 A CN 200410050408A CN 100348020 C CN100348020 C CN 100348020C
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- speaker
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- image display
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Abstract
The present invention relates to an image display device and a control method thereof for control a sound volume according to the position of a speaker on a picture. The image display device of the present invention is composed of the following parts: a position detecting part for a speaker, at least two loudspeakers, a volume control part and a microcomputer, wherein the position detecting part for a speaker is used for detecting the position information of the prescribed speaker from a broadcast signal received from a television station; the two loudspeakers can be installed in the image display device, and can also be independently arranged; the volume control part is used for adjusting the volume output to each loudspeaker on the basis of the position information of the speaker; the microcomputer is used for controlling the work of each structural element of the image display device. Because the volumes output to the loudspeakers are controlled according to the position of the speaker on a picture of the image display device, viewers can feel the presence sound by the present invention.
Description
Technical field
The present invention relates to a kind of position and control the image display and the control method thereof of volume according to speaker on the picture.In more detail, relating to a kind of image display and control method thereof with following function, that is: from the volume of each loud speaker output, is in the picture of image display, different and different according to speaker's position.
Background technology
Along with the development of electronic industry, image displays such as television set are day by day constantly developed in its function aspects.Especially, after the receiving broadcast signal in past, just be used for a kind of simple mode of display image, developed into a image display now with multiple function.
Recently, along with liquid crystal display LCD projection TV, liquid crystal display LCD rear-projection TV, the appearance of plasma display PDP etc., the picture of image display develops towards the direction that maximizes.Correspondingly occurred therewith being provided with providing stereo, surround sound, dolby noise reduction system etc., sound system has more the image display of presence.This image display is provided with a plurality of loud speakers; And these loud speakers will be installed in the image display, perhaps divide to be arranged.
But in traditional sound system, all loud speakers are all exported identical volume, and with the speaker's who in the picture of television set, comes on stage location independent.For example, two talkers are arranged, the left and right sides that lays respectively at picture engages in the dialogue, no matter be the voice of left or right-hand voice so, will all can export with identical volume from all loud speakers.At this moment, look the hearer, in the time of one side audiovisual TV, also must whom discern and speak according to speaker's sound.
In fact, if speaker position difference more than two is arranged, so from the outbound course and the volume of their audible sound, will be different separately; Therefore the sound equipment of hearing from traditional sound system will feel that some lacks presence.
Summary of the invention
The present invention develops in order to solve the above problems.Its purpose is to provide a kind of basis to be presented at the position of the speaker on the picture and the position of loud speaker, controls a kind of devices and methods therefor to the volume of each loud speaker output.Except above-mentioned purpose of the present invention and advantage,, will can further obtain clear and definite by following detailed description and accompanying drawing about other purpose and advantage.
The present invention is achieved in that the image display of controlling volume according to the position of speaker on the picture is by constituting with the lower part to achieve these goals, that is: be provided with speaker's position testeding outleting part, be used for and from the broadcast singal that TV station receives, detect the speaker's of regulation positional information; Be provided with at least two loud speakers, they can be installed in the image display, also can separatedly independently be provided with; Be provided with the volume adjusting portion, be used for positional information based on the speaker, regulate volume to each loud speaker output; Be provided with microcomputer, be used for controlling the work of each structural element of image display.
In having the example of above-mentioned feature, speaker's positional information is to be inserted in during the vertical blanking of broadcast singal.
In having the example of above-mentioned feature, the volume adjusting portion is regulated the size of volume on the basis of speaker's positional information, make to the volume of exporting corresponding to the loud speaker of speaker position, is greater than the volume to other loud speaker output.
The present invention controls the control method of image display volume according to the position of speaker on the picture, is by constituting with the next stage, that is: (a) receives the stage of the broadcast singal that broadcasts from TV station; (b) from broadcast singal, detect stage of positional information of the speaker of regulation; (c) on the basis of speaker's positional information, regulate to output to being provided on the image display stage of the volume of at least two loud speakers.
In having the example of above-mentioned feature, (c) stage is by constituting with the next stage, that is: be provided with the positional information that reads the speaker, if at this moment speaker's position is positioned at the centre of picture, to at least two loud speakers, all export the stage of the sound equipment of identical volume so; The position that is provided with the speaker is positioned at the left position of picture, and the volume of exporting to the loud speaker of left at least two loud speakers is greater than the stage of other loud speaker so; The position that is provided with the speaker is positioned at the right-hand position of picture, is greater than the stage of other loud speaker so at least two loud speakers to the volume of right-hand loud speaker output.
Advantage of the present invention and effect are as follows:
The present invention outputs to the volume of loud speaker, is to have considered on the picture of image display, controls according to speaker's position, therefore, looks the hearer and can experience more real sound equipment.
The present invention owing to control the volume that outputs to loud speaker according to speaker's position on the picture of image display, looks the hearer and will experience a kind of sound equipment that presence is more arranged.
In addition, owing to not only discern the talker, can also discern the talker, therefore look the hearer and will know easilier that who is speaking from the position on the picture from sound.
Description of drawings
Fig. 1 is in example of the present invention, the structured flowchart of television receiver.
Fig. 2 is in example of the present invention, and the speaker is in the accompanying drawing of diverse location.
Fig. 3 is in example of the present invention, controls the control method flow chart of volume according to the position of speaker on the picture.
The explanation of accompanying drawing major part
10: antenna
12: tuning portion
14: sound equipment separates portion with picture signal
16: the acoustic signal detecting element
18: the acoustic signal handling part
20: the picture signal detecting element
22: speaker's position testeding outleting part
24: the volume adjusting portion
26: microcomputer
28: operating portion
30-1,30-2,30-N: loud speaker
32: the picture signal handling part
34: display part
100: television receiver
Embodiment
Below, referring to figs. 1 through Fig. 3, example of the present invention is described in more detail.
Fig. 1 is in the present invention, the structured flowchart of television receiver.
As shown in Figure 1, television receiver 100 is made of following part, that is: antenna 10, tuning 12, sound equipment separates portion 14, acoustic signal detecting element 16 with picture signal, acoustic signal handling part 18, picture signal detecting element 20, speaker's position testeding outleting part 22, volume adjusting portion 24, microcomputer 26, operating portion 28, a plurality of loud speaker 30-1,30-2,30-N, picture signal handling part 32, display part 34.
Antenna 10 receives the broadcast singal that broadcasts from TV station.In the regulation interval of broadcast singal, contain the speaker's that on picture, will show positional information.For example, in common analog broadcast signal, (Vertical Blanking Interval VBI), can insert information such as broadcasting frequency, broadcasting channel, therefore can insert speaker's positional information in VBI at the black-out intervals of vertical flyback.
In addition, become popular digital broadcasting recently, if will obtain commercialization, so in digital broadcast signal, can add more diversified information and transmit, so speaker's positional information will more easily be included in the regulation interval of digital broadcast signal and go.
Tuning 12, will from the broadcast singal that antenna 10 receives, carry out channel selection, amplified, then this signal transformation is become the intermediate-freuqncy signal of sound equipment and image.
Sound equipment separates portion 14 with picture signal, the intermediate-freuqncy signal by tuning 12 output is separated into sound equipment intermediate-freuqncy signal and image intermediate frequency signal.
Acoustic signal detecting element 16 will separate with picture signal the sound equipment intermediate-freuqncy signal of portion's 14 outputs from sound equipment, detect acoustic signal; Acoustic signal handling part 18 the acoustic signal that detects, is transformed into one and is suitable for to a plurality of loud speaker 30-1,30-2, the signal of 30-N output.
Picture signal detecting element 20 will separate with picture signal the image intermediate frequency signal of portion's 14 outputs from sound equipment, detect picture signal.
Speaker's position testeding outleting part 22 will detect the speaker's that will export positional information in image frame from the picture signal of picture signal detecting element 20 outputs.For example, from picture signal, be inserted among the VBI speaker's assigned position information with reading and detecting.
For example, when output is positioned at speaker's the sound of picture left, only to the loud speaker output sound of left; And will be adjusted to a not state of output sound to right-hand loud speaker.Also having a kind of method is also can will output to the volume of left loud speaker, and it is big to be adjusted to the volume than right-hand loud speaker output.
Picture signal handling part 32 receives the picture signal by 20 outputs of picture signal detecting element, and it is transformed into is suitable for the signal that shows in display part 34.
Fig. 2 is in example of the present invention, and the speaker is at an example that is positioned on the picture on each diverse location.
As shown in Figure 2, the symbol 30-a on the figure is the loud speaker of the left of image display; Symbol 30-b on the figure is right-hand loud speaker.A plurality of loud speaker 30-1 as shown in Figure 1,30-2,30-N can be divided into above-mentioned left loud speaker 30-a and right-hand loud speaker 30-b.
Then, judging speaker's position, is should belong to which zone in three above-mentioned zones; Then, will be corresponding to the output volume of the loud speaker on the relevant position, adjusting must be greater than the output volume of other loud speaker.
Below, illustrate and in having the image display of said structure, control the concrete steps of the control method of volume according to the position of speaker on the picture.
Fig. 3 is in example of the present invention, controls the flow chart of the control method of volume according to the position of speaker on the picture.
As shown in Figure 3, at first to go to receive, from the broadcast singal (stage 10) of TV station's broadcast.Then, from the broadcast singal that receives, detect speaker's positional information (stage 12).As described in front, speaker's positional information be if analog broadcast signal so preferably will be included among the VBI, but is not limited to this execution mode.
Then, on the basis of the speaker's positional information that detects, judge whether the speaker is positioned at the center of picture (stage 14).If the talker is arranged in center (in stages 14 "Yes"), so, to all loud speakers, the sound (stage 16) identical of the left loud speaker 30-a in Fig. 2 for example with right-hand loud speaker 30-b output volume.
In addition, if the talker is not arranged in center (in stages 14 "No"), judge so whether the talker is positioned at the left zone of picture (stage 18).
If the talker is arranged in left zone (in stages 18 "Yes"), so only to left loud speaker 30-a output sound (stage 20).In contrast, if the talker is arranged in right-hand (in 18 "No" in stage), so only to right-hand loud speaker 30-b output sound (stage 22).Arrive this, finish all steps.
In Fig. 3, if the talker is positioned at the zone of left, so to left loud speaker output sound, and not to right-hand loud speaker output sound; But, both sides' loud speaker output sound all to the left and right, but to the volume of left loud speaker output, adjusting must be greater than the volume to right-hand output.
Equally, if the talker is positioned at right-hand zone, the volume adjusting that outputs to right-hand loud speaker so must be greater than the volume that outputs to the left loud speaker.
More than, be that the center is illustrated with example of the present invention; But,, under the situation that does not exceed thought of the present invention and scope, can make change if the insider can understand.That is to say that the present invention can change within the scope of the claims, therefore can not think and define by the example of stating.
Claims (3)
1. according to the image display of the Position Control volume of speaker on the picture, it is characterized in that it is to be made of following part, that is:
Be provided with speaker's position testeding outleting part, the broadcast singal that is used for to receive from TV station, detect the speaker's of regulation positional information;
Be provided with at least two loud speakers, they can be installed in the image display, also can separatedly independently be provided with;
Be provided with the volume adjusting portion, be used for positional information based on the speaker, regulate volume to each loud speaker output;
Be provided with microcomputer, be used for controlling the work of each structural element of image display;
Described speaker's positional information is to be inserted in during the vertical blanking of broadcast singal.
2. the image display of the Position Control volume according to speaker on the picture according to claim 1, it is characterized in that above-mentioned volume adjusting portion is on the basis of speaker's positional information, regulate the size of volume, make to the volume of exporting corresponding to the loud speaker of speaker position, be greater than volume to other loud speaker output.
3. according to the method for the Position Control image display volume of speaker on the picture, it is by constituting with the lower part, that is:
(a) receive from the stage of the broadcast singal of TV station's broadcast;
(b) from broadcast singal, detect stage of positional information of the speaker of regulation;
(c) on the basis of speaker's positional information, regulate to output to being provided on the image display stage of the volume of at least two loud speakers;
Described (c) stage is by constituting with the next stage, that is:
Be provided with the positional information that reads the speaker,,, all go to export the stage of the sound equipment of identical volume so at least two loud speakers if at this moment speaker's position is positioned at the centre of picture;
The position that is provided with the speaker is positioned at the left position of picture, and the volume of exporting to the loud speaker of left at least two loud speakers is greater than the stage of other loud speaker so;
The position that is provided with the speaker is positioned at the right-hand position of picture, is greater than the stage of other loud speaker so at least two loud speakers to the volume of right-hand loud speaker output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100504086A CN100348020C (en) | 2004-09-14 | 2004-09-14 | Image display device and its control method for control sound volume according to the position of speaker on picture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100504086A CN100348020C (en) | 2004-09-14 | 2004-09-14 | Image display device and its control method for control sound volume according to the position of speaker on picture |
Publications (2)
| Publication Number | Publication Date |
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| CN1750605A CN1750605A (en) | 2006-03-22 |
| CN100348020C true CN100348020C (en) | 2007-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100504086A Expired - Fee Related CN100348020C (en) | 2004-09-14 | 2004-09-14 | Image display device and its control method for control sound volume according to the position of speaker on picture |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5067595B2 (en) * | 2005-10-17 | 2012-11-07 | ソニー株式会社 | Image display apparatus and method, and program |
| CN101118746B (en) * | 2007-09-17 | 2012-03-21 | 腾讯科技（深圳）有限公司 | Double track based audio data calibration method and multi-people voice talking system thererof |
| CN101459797B (en) * | 2007-12-14 | 2012-02-01 | 深圳Tcl新技术有限公司 | Sound positioning method and system |
| CN104036789B (en) * | 2014-01-03 | 2018-02-02 | 北京智谷睿拓技术服务有限公司 | Multi-media processing method and multimedia device |
| CN104125527A (en) * | 2014-08-01 | 2014-10-29 | 青岛歌尔声学科技有限公司 | Multi-earphone volume control circuit and control method |
| CN108601450A (en) * | 2015-11-25 | 2018-09-28 | 托马斯·米切尔·戴尔 | Surround sound application for vertical orientation content and device |
| CN106507006A (en) * | 2016-11-15 | 2017-03-15 | 四川长虹电器股份有限公司 | Intelligent television orients transaudient System and method for |
| WO2020031453A1 (en) | 2018-08-10 | 2020-02-13 | ソニー株式会社 | Information processing device and information processing method, and video-audio output system |
| CN110475189B (en) * | 2019-09-05 | 2021-03-23 | Oppo广东移动通信有限公司 | Sound production control method and electronic equipment |
| CN110572760B (en) * | 2019-09-05 | 2021-04-02 | Oppo广东移动通信有限公司 | Electronic device and control method thereof |
| CN110572502B (en) * | 2019-09-05 | 2020-12-22 | Oppo广东移动通信有限公司 | Electronic equipment and sound production control method thereof |
| CN110602316B (en) * | 2019-09-05 | 2021-04-13 | Oppo广东移动通信有限公司 | Electronic device and control method thereof |
| CN112911354B (en) * | 2019-12-03 | 2022-11-15 | 海信视像科技股份有限公司 | Display apparatus and sound control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09116883A (en) * | 1995-10-18 | 1997-05-02 | Hitachi Ltd | Video telephone system |
| CN1419796A (en) * | 2000-12-25 | 2003-05-21 | 索尼株式会社 | Virtual sound image localizing device, virtual sound image localizing, and storage medium |
-
2004
- 2004-09-14 CN CNB2004100504086A patent/CN100348020C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09116883A (en) * | 1995-10-18 | 1997-05-02 | Hitachi Ltd | Video telephone system |
| CN1419796A (en) * | 2000-12-25 | 2003-05-21 | 索尼株式会社 | Virtual sound image localizing device, virtual sound image localizing, and storage medium |
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| CN1750605A (en) | 2006-03-22 |
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Owner name: NANJING LG XINGANG DISPLAY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (SHENYANG) CO., LTD. Effective date: 20070427 |
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Effective date of registration: 20070427 Address after: 210038 No. 346 Yao Yao Avenue, Nanjing economic and Technological Development Zone, Jiangsu, China Applicant after: LG Electronics Nanjing Display Co., Ltd. Address before: 110179 35,40, hi tech Development Zone, Liaoning, Shenyang Applicant before: LG Electronic (Shenyang) Co., Ltd. |
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