CN104062830A - Projector and method for setting the projector - Google Patents

Projector and method for setting the projector Download PDF

Info

Publication number
CN104062830A
CN104062830A CN201310095152.XA CN201310095152A CN104062830A CN 104062830 A CN104062830 A CN 104062830A CN 201310095152 A CN201310095152 A CN 201310095152A CN 104062830 A CN104062830 A CN 104062830A
Authority
CN
China
Prior art keywords
projector
image
channel
operating
output sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310095152.XA
Other languages
Chinese (zh)
Inventor
陈建仲
林永森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Acer Inc
Original Assignee
Acer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Acer Inc filed Critical Acer Inc
Priority to CN201310095152.XA priority Critical patent/CN104062830A/en
Publication of CN104062830A publication Critical patent/CN104062830A/en
Pending legal-status Critical Current

Links

Abstract

The invention provides a projector and a method for setting the projector, wherein the projector comprises the components of: an image projecting unit, a left sound channel loudspeaker, a right sound channel loudspeaker, a detecting unit and a processing unit. The detecting unit is used for determining operation manner of the projector. The processing unit is used for outputting sound signals in a manner that a right sound channel input sound signal received by the projector is used as a left sound channel output sound signal of the left sound channel loudspeaker and a left sound channel input sound signal received by the projector is used as a right sound channel output sound signal of the right sound channel loudspeaker when the projector is operated in a manner that the positive image is reversely placed and the mirror image is positively placed. Furthermore when the projected is operated in a manner that the mirror image is reversely placed and the positive image is positively placed, the left sound channel input sound signal is used as the left sound channel output sound signal, and the right sound channel input sound signal is used as the right sound channel output sound signal. The projector of the invention is provided with the left sound channel loudspeaker and the right sound channel loudspeaker for playing stereo sound. Furthermore setting of the loudspeakers can be automatically configured according to different placement positions of the projector.

Description

The establishing method of projector and projector
Technical field
The present invention relates to a kind of projector, relate in particular to a kind of establishing method of projector.
Background technology
General projector only can provide monaural loudspeaker output, and therefore sound only can be play with monophony.In addition, because projector only has monaural design, be stereo or around audio so want further to improve sound quality, can be limited to hardware structure and cannot reach.Moreover, if projector can provide the stereo or audio of multichannel, there is multiple different form the position that can put because of projector, for example place on the table (with just the mode of putting operate) or hang on (being upside down operation) on ceiling, so the audio of projector also needs to do corresponding different set.Therefore need a kind of projector badly and audio automatic setting method overcomes above problem.
Summary of the invention
The mode of putting according to projector automatically of the object of the invention is to is adjusted the audio of its left and right acoustic channels and is set.
The invention provides a kind of projector, in order to image is projected to a projection screen, wherein this projection screen has the face of viewing and admiring and with respect to this back side of viewing and admiring face, this projector comprises an image projection unit, in order to an image is projected to this projection screen, one left channel loudspeaker, in order to play a L channel output sound signal, one right channel loudspeaker, in order to play a R channel output sound signal, one detecting unit, in order to according to one first operating and setting value of this projector, judges that this projector operates with erect image or mirror image mode, and according to one second operating and setting value of this projector, judges that this projector just putting or upside down operation, an and processing unit, in order to when this projector with the operation of erect image and upside down or this projector with mirror image and when just the mode of putting is operating, using a R channel input audio signal that this projector was received as this L channel output sound signal, and using a L channel input audio signal that this projector was received as this R channel output sound signal, and when this projector with the operation of mirror image and upside down or this projector with erect image and when just the mode of putting is operating, using this L channel input audio signal as this L channel output sound signal, and using this R channel input audio signal as this R channel output sound signal, wherein this projector operates in erect image mode this that refer to that this image is projected to this projection screen by this image projection unit and views and admires face, and this projector operates and refers to that this image projection unit is projeced into this image at this back side of this projection screen in mirror image mode.
The present invention also provides a kind of establishing method of projector, be applicable to a projector, wherein this projector is in order to be projected to image one projection screen, this projection screen has the face of viewing and admiring and views and admires the back side of face with respect to this, the establishing method of this projector comprises the one first operating and setting value according to this projector, judges that this projector operates with erect image or mirror image mode; According to one second operating and setting value of this projector, judge that this projector just putting or upside down operation; When this projector with the operation of erect image and upside down or this projector with mirror image and when just the mode of putting is operating, using a R channel input audio signal that this projector was received as a L channel output sound signal, and using a L channel input audio signal that this projector was received as a R channel output sound signal; And when this projector with the operation of mirror image and upside down or this projector with erect image and when just the mode of putting is operating, using this L channel input audio signal as this L channel output sound signal, and using this R channel input audio signal as this R channel output sound signal, wherein this projector operates in erect image mode this that refer to that this image is projected to this projection screen by this projector and views and admires face, and this projector operates and refers to that this projector is projeced into this image at this back side of this projection screen in mirror image mode.
It is stereo in order to play that projector of the present invention has left and right acoustic channels loudspeaker, can also automatically configure according to the difference of projector's putting position the setting of loudspeaker.Moreover the projector of the present invention digital signal processor of can arranging in pairs or groups automatically configures the setting around audio, and the more convenient operating environment of user and better sound effect are provided.
For above and other object of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and coordinate appended figure, be described in detail below:
Brief description of the drawings
Fig. 1 (a) illustrates the situation that may exist between projector, user and projection screen to Fig. 1 (f).
Fig. 2 is a schematic diagram of projector provided by the present invention.
Fig. 3 is the process flow diagram of the establishing method of projector of the present invention.
Fig. 4 is another schematic diagram of projector provided by the present invention.
Fig. 5 is another process flow diagram of the establishing method of projector of the present invention.
[main element description of reference numerals]
10~projector
12~user
11~projection screen
13~back side
14~view and admire face
110~receiving element
120~detecting unit
130~processing unit
131~digital signal processor
140~broadcast unit
141~left channel loudspeaker
142~right channel loudspeaker
143~image projection unit
150~microphone
144~range cells
V1~input picture
S1~voice signal
Embodiment
The invention provides a kind of projector, in order to image is projected to a projection screen, and according to the mode of putting of projector adjust its left and right acoustic channels audio set.In one embodiment of this invention, projector also can, according to the mode of putting and with respect to the distance of projection screen, determine the sound field direction of the audio of multichannel.
Fig. 1 (a) is that the situation that may exist between projector 10, user 12 and projection screen 11 is described to Fig. 1 (f).As shown in the figure, projection screen 11, has the face of viewing and admiring 14 and the back side 13, views and admires face 14 for projection screen 11 is in the face of user 12 the side, and is the back side 13 with respect to the another side of viewing and admiring face 14.Projection screen 11 can be cloth curtain, metope, blank, blackboard and glass screen, but not as limit.In Fig. 1 (a), projector 10 is just putting and erect image mode operates, and user 12 is located at projector 10 rears (being that projector 10 is between user 12 and projection screen 11).In Fig. 1 (b), projector 10 is just putting and erect image mode operates, and user 12 is located between projector and projection screen 11.In Fig. 1 (c), (reversal of the natural order of things) is inverted and erect image mode operates by projector 10, and user 12 is located at projector 10 rears (being that projector 10 is between user 12 and projection screen 11).In Fig. 1 (d), projector 10 is inverted and erect image mode operates, and user 12 is located between projector 10 and projection screen 11.In Fig. 1 (e), projector 10 is just putting and mirror image mode operates, and projection screen 11 is located at projector 10 rears (being that projection screen 11 is between user 12 and projector 10).In Fig. 1 (f), projector 10 is inverted and mirror image mode operates, and projection screen 11 is located at projector 10 rears (being that projection screen 11 is between user 12 and projector 10).
Fig. 2 is the schematic diagram of projector provided by the present invention.As shown in the figure, projector 10 is for example, in order to image is projected to projection screen (Fig. 1 (a) is to the projection screen 11 in Fig. 1 (f)), and plays the audio corresponding to projected image.Projector 10 comprises receiving element 110, detecting unit 120, processing unit 130 and broadcast unit 140.Receiving element 110 is in order to receive input picture V1 and voice signal S1, and the voice signal S1 receiving also comprises L channel input audio signal and R channel input audio signal.Input picture V1 and voice signal S1 can be provided by box or mobile phone on computer, optical disk player, teaching machine, but not as limit.
Detecting unit 120 is in order to detect the mode of operation of projector 10.For example, the mode of operation of projector 10 can comprise that Fig. 1 (a) is to the situation shown in Fig. 1 (f).The mode of operation of projector 10 is to be determined by the putting position of projector 10.Generally speaking, user can be in response to the putting position difference in projector 10, and by button, telepilot in projector 10 or removed to set the mode of operation of projector 10 by software, but not as limit.For example, when projector 10 is set to while operating in erect image mode, one first operating and setting value can be set to 1.On the contrary, when projector 10 is set to while operating in mirror image mode, this first operating and setting value can be set to 0.In the time that projector 10 is set to that just the mode of putting is operating, one second operating and setting value can be set to 1.On the contrary, when projector 10 is set to while operating with upside down, this second operating and setting value can be set to 0.Therefore, projector 10 can be stored in the storer (not shown) in projector 10 by first, second operating and setting value that represents mode of operation, but is not limited to this.
Broadcast unit 140 comprises that an image projection unit 143 is in order to image is projected to projection screen 11, and a left channel loudspeaker 141 and a right channel loudspeaker 142 are respectively in order to play a L channel output sound signal and a R channel output sound signal.Processing unit 130 can be a CPU (central processing unit) or microprocessor, but is not limited to this.Whether processing unit 130, according to first, second operating and setting value, determines to need input picture is done to mirror image processing, is inverted and processes, and by the intermodulation of left and right acoustic channels audio.
For example, in the time that processing unit 130 is judged first, second operating and setting value and is all 0, represent that projector 10 operates (as shown in Fig. 1 (f) with mirror image and upside down.Now, processing unit 130 is understood using L channel input audio signal as L channel output sound signal, and using R channel input audio signal as R channel output sound signal.Processing unit 130 also can, by doing mirror image processing with input picture and being inverted processing, relend by image projection unit 143 in order to image after treatment is projected to projection screen 11.Judging the first operating and setting value when processing unit 130 is 0 and the second operating and setting value while being 1, represent projector 10 be with mirror image and just the mode of putting operate (as shown in Fig. 1 (e).Now, processing unit 130 is understood using R channel input audio signal as L channel output sound signal, and using L channel input audio signal as R channel output sound signal.Processing unit 130 also can will do mirror image processing with input picture, relends by image projection unit 143 in order to image after treatment is projected to projection screen 11.Judging the first operating and setting value when processing unit 130 is 1 and the second operating and setting value while being 0 represents that projector 10 operates (as shown in Fig. 1 (c) with erect image and upside down.Now, processing unit 130 is understood using R channel input audio signal as L channel output sound signal, and using L channel input audio signal as R channel output sound signal.Processing unit 130 also can be processed doing with input picture to be inverted, and relends by image projection unit 143 in order to image after treatment is projected to projection screen 11.Judging the first operating and setting value when processing unit 130 is 1 and the second operating and setting value while being 1, represent projector 10 be with erect image and just the mode of putting operate (as shown in Fig. 1 (a).Now, processing unit 130 is understood using L channel input audio signal as L channel output sound signal, and using R channel input audio signal as R channel output sound signal.Processing unit 130 can be projected to projection screen 11 by image by image projection unit 143, but processes without mirror image processing and inversion.
Fig. 3 is the process flow diagram of the establishing method of a projector.In step 201, read the mode of operation of projector 10.For example, processing unit 130 reads first, second operating and setting value in a memory storage, judges the mode of operation of projector 10.In step 202, judge whether projector is set as operating in mirror image mode, if so, carry out step 205.If not, carry out step 203.For example, in the time that the first operating and setting value is 0, represent that projector 10 operates (back side 13 by image projection to projection screen 11) in mirror image mode.Otherwise, in the time that the first operating and setting value is 1, represent that projector 10 operates (face of viewing and admiring 14 by image projection to projection screen 11) in erect image mode.In step 205, judge whether projector is set as, with upside down operation, if so, carry out step 207.If not, carry out step 208.For example, in the time that the second operating and setting value is 0, represent that projector 10 operates with upside down.Otherwise, in the time that the second operating and setting value is 1, represent that projector 10 operates in the mode of putting just.In step 203, judge whether projector is set as, with upside down operation, if so, carry out step 206.If not, carry out step 204.
In step 207, projector 10 is with mirror image and upside down operation (as shown in Fig. 1 (f)).Now, processing unit 130 can export L channel input audio signal to left channel loudspeaker 141, as L channel output sound signal, and exports R channel input audio signal to right channel loudspeaker 142, as R channel output sound signal.Processing unit 130 also can, by doing mirror image processing with input picture and being inverted processing, relend by image projection unit 143 in order to image after treatment is projected to the back side 13 of projection screen 11.In step 208, projector 10 be with mirror image and just the mode of putting operate (as shown in Fig. 1 (e)).Now, processing unit 130 can export R channel input audio signal to left channel loudspeaker 141, as L channel output sound signal, and exports L channel input audio signal to right channel loudspeaker 142, as R channel output sound signal.Processing unit 130 also can will do mirror image processing with input picture, relends by image projection unit 143 in order to image after treatment is projected to the back side 13 of projection screen 11.
In step 206, projector 10 be with mirror image and just the mode of putting operate (as shown in Fig. 1 (c)).Now, processing unit 130 can export R channel input audio signal to left channel loudspeaker 141, as L channel output sound signal, and exports L channel input audio signal to right channel loudspeaker 142, as R channel output sound signal.Processing unit 130 also can be processed doing with input picture to be inverted, and relends by image projection unit 143 in order to image after treatment is projected to the face of viewing and admiring 14 of projection screen 11.In step 204, projector 10 be with erect image and just the mode of putting operate (as shown in Fig. 1 (a)).Now, processing unit 130 can export L channel input audio signal to left channel loudspeaker 141, as L channel output sound signal, and exports R channel input audio signal to right channel loudspeaker 142, as R channel output sound signal.130 of processing units can be projected to image by image projection unit 143 face of viewing and admiring 14 of projection screen 11, but process and mirror image processing without being inverted.
Fig. 4 is another schematic diagram of projector of the present invention.As shown in the figure, projector 10 " similar to the projector 10 in Fig. 2, its difference is also to comprise microphone 150, detecting unit 120 also comprises a range cells 144, and processing unit 130 also comprises a digital signal processor (DSP) 131.Range cells 144 is in order to detect the screen distance between projector 10 and projection screen 11.For example, image projection unit 143 has a variable resistor (not shown), and variable-resistance resistance can be in order to adjust the focal length of image projection unit 143.Range cells 144 can, according to variable-resistance resistance, detect the screen distance of projector 10 and projection screen 11.Range cells 144 also can, by the infrared distance measuring circuit (not shown) in projector 10, detect the screen distance between projector 10 and projection screen 11.Moreover processing unit 130 is in order to judge whether screen distance is greater than at least one predeterminable range, and determine a sound field direction according to the first operating and setting value of judged result and projector 10 and the second operating and setting value.Digital signal processor 131 can, according to determined sound field direction, carry out left and right sound channels input audio signal and/or left and right sound channels output sound signal around audio processing, and the sound that projector 10 is play has around audio.Digital signal processor 131 also can carry out the processing of Doby audio or the simulation of multichannel audio by left and right sound channels input audio signal and/or left and right sound channels output sound signal, but is not limited to this.Microphone 150 is used for receiving the test sound that left channel loudspeaker 141 and right channel loudspeaker 142 are play, microphone 150 is by received test sound, carry out computing via digital signal processor 131, can be used for correcting digital signal processor 131 around audio processing.
Another process flow diagram of the establishing method of Tu5Shi projector.In step 501, read the mode of operation of projector 10.In step 502, judge whether projector is set as operating in mirror image mode, if so, carry out step 505.Otherwise, carry out step 503.In step 505, judge that no being set as of projector operates with upside down, if so, carry out step 508.Otherwise, carry out step 509.In step 508, judge that projector is with mirror image and upside down operation, projection screen is in the middle of user and projector.In step 509, judge that projector is with mirror image and upside down operation, projection screen is in the middle of user and projector.
In step 503, judge whether projector is set as operating in mirror image mode.If so, carry out step 506.Otherwise, carry out step 504.In step 506 and step 504, detect the screen distance between projector 10 and projection screen 11.In step 510, judge whether screen distance is greater than the first predeterminable range d1.If so, carry out step 513, otherwise, carry out step 514.Judge whether screen distance is greater than a predeterminable range, and its object is to judge by the distance of projector and screen the relative position of user and projector 10.For example, when screen distance is 1 meter, represent that user may be positioned at the rear of projector.When screen distance is 10 meters, represent that user may be positioned at the front of projector.In an embodiment, the first predeterminable range d1 is 2 meters, if projector 10 is less than 2 meters with the distance of projection screen, can judge that user is positioned at the rear of projector.In step 513, judge that projector is with erect image and upside down operation, user is before projector.In step 514, judge that projector is with erect image and upside down operation, user is after projector.
In step 507, judge whether screen distance is greater than the second predeterminable range d2, if so, carry out step 511, otherwise, carry out step 514.In a certain embodiment, the second predeterminable range d2 is 1 meter, if projector 10 is less than 1 meter with the distance of projection screen, can judge that user 12 is positioned at the rear of projector 10.The first predeterminable range d1 and the second predeterminable range d2 can be different because of the design of the lens optical of different projectors.In step 511, judge projector with erect image and just the mode of putting operate, user is before projector.In step 512, judge projector with erect image and just the mode of putting operate, user is after projector.In other words, in this embodiment, processing unit, according to the first operating and setting value, the second operating and setting value and screen distance (also can be considered one the 3rd operating and setting value), determines the mode of operation of projector 10.
In step 515, according to the mode of operation of the projector 10 judging in step 508, step 509, step 513, step 514, step 511 and step 512, set the left channel loudspeaker of projector 10 and L channel output sound signal and the R channel output sound signal that right channel loudspeaker will be play, and set the sound field position around audio.The mode of the left and right acoustic channels loudspeaker of setting projector 10, as described in the embodiment in Fig. 3, is not repeated in this.
Digital signal processor 131 determines sound field direction by the distance of projection pattern, projector 10 and projection screen 11, and via the digital signal processor 131 of processing unit 130, L channel input audio signal and R channel input audio signal is carried out around audio processing.
For example, in step 512, judge projector 10 be with erect image and just the mode of putting operate and screen distance is less than predeterminable range d2 (as shown in Fig. 1 (a)).Now, processing unit 130 can export L channel input audio signal to left channel loudspeaker 141, as L channel output sound signal, and exports R channel input audio signal to right channel loudspeaker 142, as R channel output sound signal.Moreover, because screen distance is less than predeterminable range d2, so user is positioned at the rear of projector 10, therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the rear of projector 10.In step 511, judge projector 10 be with erect image and just the mode of putting operate, and projector 10 is greater than predeterminable range d2 with the distance of projection screen, so user is positioned at before projector, therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the front of projector 10.In step 514, judge that projector 10 is with erect image and upside down operation, and shadow curtain distance is less than predeterminable range d1, so user is positioned at after projector, therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the rear of projector 10.
In step 513, judge that projector 10 is with erect image and upside down operation, and shadow curtain distance is greater than predeterminable range d1, so user is positioned at before projector, therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the front of projector 10.In step 509, judge projector 10 be with mirror image and just the mode of putting operate, and projection screen 11 user 12 in the middle of projector 10 (user 12 is before projector 10), therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the front of projector 10.In step 508, judge that projector 10 is with mirror image and upside down operation, and projection screen 11 user 12 in the middle of projector 10 (user 12 is before projector 10), therefore digital signal processor 131 carries out L channel input audio signal and R channel input audio signal around audio processing, its sound field position is made as to the front of projector 10.In addition, in above-mentioned steps 508, step 509, step 511, step 512, step 513, step 514, the L channel output sound signal of projector 10 and R channel output sound signal and L channel input audio signal and the same Fig. 3 of R channel input audio signal establishing method, repeat no more in this.
In step 516, send test tone by left channel loudspeaker 141 and right channel loudspeaker 142, and receive test tone by the microphone 150 in projector 10, in order to judge left and right acoustic channels loudspeaker sound set whether correct, and correcting digital signal processor 131 around audio processing.
It is stereo in order to play that projector of the present invention has left and right acoustic channels loudspeaker, can also automatically configure according to the difference of projector's putting position the setting of loudspeaker.Moreover the projector of the present invention digital signal processor of can arranging in pairs or groups automatically configures the setting around audio, and the more convenient operating environment of user and better sound effect are provided.

Claims (9)

1. a projector, in order to image is projected to a projection screen, wherein this projection screen has the face of viewing and admiring and with respect to this back side of viewing and admiring face, this projector comprises:
One image projection unit, in order to be projected to this projection screen by an image;
One left channel loudspeaker, in order to play a L channel output sound signal;
One right channel loudspeaker, in order to play a R channel output sound signal;
One detecting unit, in order to according to one first operating and setting value of this projector, judges that this projector operates with erect image or mirror image mode, and according to one second operating and setting value of this projector, judges that this projector just putting or upside down operation; And
One processing unit, in order to when this projector with the operation of erect image and upside down or this projector with mirror image and when just the mode of putting is operating, using a R channel input audio signal that this projector was received as this L channel output sound signal, and using a L channel input audio signal that this projector was received as this R channel output sound signal, and when this projector with the operation of mirror image and upside down or this projector with erect image and when just the mode of putting is operating, using this L channel input audio signal as this L channel output sound signal, and using this R channel input audio signal as this R channel output sound signal, wherein this projector operates in erect image mode this that refer to that this image is projected to this projection screen by this image projection unit and views and admires face, and this projector operates and refers to that this image projection unit is projeced into this image at this back side of this projection screen in mirror image mode.
2. projector as claimed in claim 1, wherein this detecting unit also comprises a range cells, in order to measure the screen distance between this projector and this projection screen.
3. projector as claimed in claim 2, wherein this processing unit is in order to judge whether this screen distance is greater than at least one predeterminable range, and determines a sound field direction according to this first operating and setting value of judged result and this projector and this second operating and setting value.
4. projector as claimed in claim 3, wherein this processing unit also comprises:
One digital signal processor, in order to according to this sound field direction, carries out one around audio processing to this L channel input audio signal and this R channel input audio signal, to produce this L channel output sound signal and this R channel output sound signal.
5. projector as claimed in claim 4, wherein this processing unit also comprises:
One microphone, in order to receive a test sound, being used for proofreading and correct should be around audio processing, and wherein this test sound is play by this left channel loudspeaker and this right channel loudspeaker.
6. an establishing method for projector, is applicable to a projector, and wherein this projector is in order to image is projected to a projection screen, and this projection screen has the face of viewing and admiring and with respect to this back side of viewing and admiring face, the establishing method of this projector comprises:
According to one first operating and setting value of this projector, judge that this projector operates with erect image or mirror image mode;
According to one second operating and setting value of this projector, judge that this projector just putting or upside down operation;
When this projector with the operation of erect image and upside down or this projector with mirror image and when just the mode of putting is operating, using a R channel input audio signal that this projector was received as a L channel output sound signal, and using a L channel input audio signal that this projector was received as a R channel output sound signal; And
When this projector with the operation of mirror image and upside down or this projector with erect image and when just the mode of putting is operating, using this L channel input audio signal as this L channel output sound signal, and using this R channel input audio signal as this R channel output sound signal;
Wherein this projector operates in erect image mode this that refer to that this image is projected to this projection screen by this projector and views and admires face, and this projector operates and refers to that this projector is projeced into this image at this back side of this projection screen in mirror image mode.
7. the establishing method of projector as claimed in claim 6, also comprises:
Measure the distance of this projector and this projection screen, in order to obtain a screen distance;
Judge whether this screen distance is greater than at least one predeterminable range;
Determine a sound field direction according to this first operating and setting value of judged result and this projector and this second operating and setting value.
8. the establishing method of projector as claimed in claim 7, also comprises:
According to this sound field direction, this L channel input audio signal and this R channel input audio signal are carried out to one around audio processing, to produce this L channel output sound signal and this R channel output sound signal.
9. the establishing method of projector as claimed in claim 8, also comprises:
Play a test sound by this left channel loudspeaker and this right channel loudspeaker, and receive this test sound by the microphone in this projector; And
This test sound receiving according to this microphone, proofreading and correct should be around audio processing.
CN201310095152.XA 2013-03-22 2013-03-22 Projector and method for setting the projector Pending CN104062830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310095152.XA CN104062830A (en) 2013-03-22 2013-03-22 Projector and method for setting the projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310095152.XA CN104062830A (en) 2013-03-22 2013-03-22 Projector and method for setting the projector

Publications (1)

Publication Number Publication Date
CN104062830A true CN104062830A (en) 2014-09-24

Family

ID=51550610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310095152.XA Pending CN104062830A (en) 2013-03-22 2013-03-22 Projector and method for setting the projector

Country Status (1)

Country Link
CN (1) CN104062830A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105182663A (en) * 2015-09-30 2015-12-23 明基电通有限公司 Control method for projection apparatus and projection apparatus
CN108024102A (en) * 2017-12-01 2018-05-11 青岛海信电器股份有限公司 The control method and laser television of laser television
CN112162460A (en) * 2020-09-27 2021-01-01 深圳市火乐科技发展有限公司 Audio playing method and related device
CN113885293A (en) * 2020-07-02 2022-01-04 精工爱普生株式会社 Projector with a light source

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136397A (en) * 1989-10-31 1992-08-04 Seiko Epson Corporation Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls
CN101018430A (en) * 2006-02-06 2007-08-15 宋祖淡 Speaker distance measurement method
CN101282592A (en) * 2008-05-15 2008-10-08 华硕电脑股份有限公司 Acoustics system with audio field adjusting function as well as method for adjusting audio field
CN101539715A (en) * 2008-03-19 2009-09-23 精工爱普生株式会社 Projector and reflection apparatus
CN102073201A (en) * 2009-11-10 2011-05-25 精工爱普生株式会社 Image display device and method of controlling the same
CN102420961A (en) * 2010-09-27 2012-04-18 索尼公司 Projection device, projection control method and program

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136397A (en) * 1989-10-31 1992-08-04 Seiko Epson Corporation Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls
CN101018430A (en) * 2006-02-06 2007-08-15 宋祖淡 Speaker distance measurement method
CN101539715A (en) * 2008-03-19 2009-09-23 精工爱普生株式会社 Projector and reflection apparatus
CN101282592A (en) * 2008-05-15 2008-10-08 华硕电脑股份有限公司 Acoustics system with audio field adjusting function as well as method for adjusting audio field
CN102073201A (en) * 2009-11-10 2011-05-25 精工爱普生株式会社 Image display device and method of controlling the same
CN102420961A (en) * 2010-09-27 2012-04-18 索尼公司 Projection device, projection control method and program

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105182663A (en) * 2015-09-30 2015-12-23 明基电通有限公司 Control method for projection apparatus and projection apparatus
CN105182663B (en) * 2015-09-30 2017-01-11 明基电通有限公司 Control method for projection apparatus and projection apparatus
CN108024102A (en) * 2017-12-01 2018-05-11 青岛海信电器股份有限公司 The control method and laser television of laser television
CN113885293A (en) * 2020-07-02 2022-01-04 精工爱普生株式会社 Projector with a light source
CN112162460A (en) * 2020-09-27 2021-01-01 深圳市火乐科技发展有限公司 Audio playing method and related device
CN112162460B (en) * 2020-09-27 2021-09-03 深圳市火乐科技发展有限公司 Audio playing method and related device

Similar Documents

Publication Publication Date Title
CN104967953B (en) A kind of multichannel playback method and system
CN106576203B (en) Determining and using room-optimized transfer functions
US9966084B2 (en) Method and device for achieving object audio recording and electronic apparatus
US10284943B2 (en) Method and apparatus for adjusting sound field of an earphone and a terminal
CN103295610B (en) A kind of method of audio plays and device
WO2018149275A1 (en) Method and apparatus for adjusting audio output by speaker
US9986362B2 (en) Information processing method and electronic device
EP2871855B1 (en) Recording method and apparatus, and terminal
WO2017166603A1 (en) Sound quality adjustment method, terminal, electronic device, and non-volatile computer storage medium
CN108111952B (en) Recording method, device, terminal and computer readable storage medium
US9307339B2 (en) Display apparatus and method for providing stereophonic sound service
JP2009232438A (en) Vertically or horizontally placeable combinative array speaker
WO2015117343A1 (en) Method and system for improving tone quality of voice, and mobile terminal
US20160065791A1 (en) Sound image play method and apparatus
CN106504770A (en) The test system and method for testing of speech quality, test device
CN104062830A (en) Projector and method for setting the projector
US20120317594A1 (en) Method and system for providing an improved audio experience for viewers of video
CN105812991A (en) Audio signal processing apparatus
KR20180068202A (en) Electronic apparatus and audio output apparatus consisting audio output system, and control method thereof
WO2019019420A1 (en) Method for playing sound and multi-screen terminal
TWI575966B (en) Audio playback system and method used in handheld electronic device
US20110221975A1 (en) Audiovisual apparatus
US20140205104A1 (en) Information processing apparatus, information processing method, and program
CN112073879B (en) Audio synchronous playing method and device, video playing equipment and readable storage medium
CN108574914B (en) Method and device for adjusting multicast playback file of sound box and receiving end

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140924