CN110913158A - Display and audio-video signal processing method - Google Patents
Display and audio-video signal processing method Download PDFInfo
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- CN110913158A CN110913158A CN201911197062.5A CN201911197062A CN110913158A CN 110913158 A CN110913158 A CN 110913158A CN 201911197062 A CN201911197062 A CN 201911197062A CN 110913158 A CN110913158 A CN 110913158A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
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Abstract
The invention provides a display and an audio and video signal processing method, wherein the display comprises the following components: the box bodies comprise shells, processing modules, display screens and sound generating equipment; the display screen is fixed on the front side of the shell, the processing module and the sound generating equipment are fixed on the rear side of the shell, and the processing module, the display screen and the sound generating equipment are electrically connected; the processing module is used for separating the input audio and video signals into audio signals and video signals, sending the audio signals to the sound generating equipment and sending the video signals to the display screen; the sound generating equipment is used for controlling the box body to sound according to the audio signal; and the display screen is used for playing pictures according to the video signals. Through set up sound production equipment inside the display, the display itself can realize sound production and demonstration, has reduced the application cost of display, uses more extensively.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a display and an audio and video signal processing method.
Background
With the development of science and technology, displays have become necessities in work, study and life, and application scenes of the displays are also diversified. In operation, for example, a video conference is conducted through the display.
At present, a conventional display screen can only receive a video signal by itself and display an image according to the video signal. However, the original signal is usually an audio/video signal obtained by mixing a video signal and an audio signal, which results in that additional equipment is required to separate the audio/video signal, the equipment is multiple, and the application cost is increased. Moreover, the display screen itself only displays images, which also limits the application scenarios of the display.
Disclosure of Invention
The invention provides a display and an audio and video signal processing method, wherein the display can realize sound production and display, the application cost of the display is reduced, and the application is wider.
In a first aspect, the present invention provides a display comprising: a plurality of enclosures comprising a housing, a processing module, a display screen, and a sound producing device; the display screen is fixed on the front side of the shell, the processing module and the sound generating equipment are fixed on the rear side of the shell, and the processing module, the display screen and the sound generating equipment are electrically connected;
the processing module is used for separating the input audio and video signals into audio signals and video signals, sending the audio signals to the sound generating equipment and sending the video signals to the display screen;
the sound generating equipment is used for controlling the box body to sound according to the audio signal;
and the display screen is used for playing pictures according to the video signal.
Optionally, the sound producing device comprises at least one speaker.
Optionally, one of the at least one speaker is located at a center of the display screen.
Optionally, the display screen includes a plurality of through holes.
Optionally, one of the through holes is located at the center of the display screen.
Optionally, the plurality of through holes are uniformly distributed on the display screen.
Optionally, the sound generating device includes at least one piezoelectric ceramic plate, and the piezoelectric ceramic plate is fixed on the housing;
the piezoelectric ceramic piece is used for controlling the shell to vibrate according to the audio signal so as to realize sound production.
Optionally, the thickness of the area occupied by the piezoelectric ceramic plate on the housing is smaller than the thickness of the area not occupied by the piezoelectric ceramic plate on the housing.
Optionally, one of the at least one piezoceramic sheet is located at the center of the display screen.
Optionally, the processing module includes a receiver and a signal processor, and the receiver is electrically connected with the signal processor;
the receiver is used for receiving the audio and video signals and sending the audio and video signals to the signal decoder;
the signal processor is used for separating the audio and video signals into the audio signals and the video signals, sending the audio signals to the sound generating equipment, and sending the video signals to the display screen.
Optionally, the processing module is a chip.
Optionally, the sound generating device comprises at least one speaker, and the speaker is disposed on the chip and electrically connected to the chip.
Optionally, the display screen is an LED lamp panel.
In a second aspect, the present invention provides an audio/video signal processing method, applied to a display provided in any implementation manner of the present invention, where the method includes:
acquiring an audio/video signal;
separating the audio and video signals into audio signals and video signals;
and controlling the display to sound according to the audio signal, and playing a picture according to the video signal.
The invention provides a display and audio-video signal processing method, which can directly receive audio-video signals by arranging a processing module, a display screen and a sound generating device in each box body of the display, the display does not need external signal processing devices, sound devices and the like, the display can realize sound production and display, the display is cleaner and cleaner, the installation and maintenance are convenient, the application cost of the display is reduced, and the application scene of the display is enriched.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display according to an embodiment of the present invention;
FIG. 2 is an exploded view of the housing provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an operation of a display according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the operation of the case according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a sound generating apparatus according to an embodiment of the present invention;
fig. 6 is a flowchart of an audio/video signal processing method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a display provided in an embodiment of the present invention, fig. 2 is an exploded view of a box provided in an embodiment of the present invention, fig. 3 is a schematic operating principle diagram of a display provided in an embodiment of the present invention, and fig. 4 is a schematic operating principle diagram of a box provided in an embodiment of the present invention. As shown in fig. 1 to 4, the display provided in this embodiment may include: a plurality of cases 11. Each cabinet 11 includes a housing 112, a processing module 113, a display 111, and a sound producing device 114.
Wherein, the display screen 111 is fixed on the front side of the casing 112, the processing module 113 and the sound generating device 114 are fixed on the rear side of the casing 112, and the processing module 113, the display screen 111 and the sound generating device 114 are electrically connected.
The processing module 113 is configured to separate an input audio/video signal into an audio signal and a video signal, send the audio signal to the sound generating device 114, and send the video signal to the display 111.
And a sound generating device 114 for controlling the cabinet 11 to sound according to the audio signal.
And a display 111 for playing pictures according to the video signal.
The display provided by the embodiment structurally comprises a plurality of boxes 11, and the display area of the display can be formed by arranging the boxes 11. The present embodiment does not limit the number of rows and columns of the housing 11, the number of housings 11 in each row or column, and the size of the housing 11 included in the display. Optionally, the box bodies 11 are the same in size, so that the production, assembly and maintenance are facilitated, and the audio and video playing control is facilitated. Of course, the size of the housing 11 may also vary. For example, the housings 11 located in the edge regions of the display are the same size, and the housings 11 located in the center regions of the display are the same size. In the present embodiment, the name of the box 11 is not limited, and the box may be referred to as a display unit, a module group, or the like.
For each cabinet 11, a housing 112, a processing module 113, a display 111 and a sound producing device 114 are included. In the present embodiment, the direction in which the display 111 displays the screen in the display is defined as the front, and the direction opposite to the front is defined as the rear. As shown in fig. 2, in position, the display screen 111 is fixed on the front side or front of the housing 112, and the processing module 113 and the sound generating apparatus 114 are fixed on the rear side or rear of the housing 112. The housing 112 provides structural support for the stationary display screen 111, the processing module 113 and the sound producing device 114. The processing module 113, the display 111 and the sound generating device 114 are electrically connected.
It should be noted that the present embodiment does not limit the material, shape and structure of the housing 112, and does not limit the fixing manner between the housing 112 and the display 111, the processing module 113 and the sound generating device 114. Alternatively, the display 111, the processing module 113, and the sound generating device 114 may be fixed to the housing 112 by an adhesive material such as an adhesive. Optionally, in order to enhance the fixing effect between the display 111, the processing module 113 and the sound generating apparatus 114 and the housing 112, a fixing device may be provided on the housing 112. For example, when the housing 112 is fixed by a screw, a bolt, or the like, a mounting hole for inserting the screw or the bolt may be provided. Alternatively, the housings 112 in the plurality of cases 11 may be separate components from each other. Alternatively, the housing 112 in the plurality of cases 11 may be an integrally formed component, and in this implementation, the housing 112 in each case 11 is a part of the integrally formed component.
It should be noted that, in this embodiment, implementation manners of the display screen 111 and the sound generating apparatus 114 are not limited, as long as the display screen 111 can display video images, and the sound generating apparatus 114 can play sound. For example, the display 111 may be a Light Emitting Diode (LED) display, an LED lamp panel, a liquid crystal display, a capacitive touch screen, or the like. The sound producing device 114 may be a horn, a vibrating sound generator, or the like.
Referring to fig. 3 and 4, the operation of the display provided in this embodiment will be described. Illustratively, in FIG. 3, the display includes a total of 12 cases 11, 3 rows and 4 columns.
The display can directly receive the audio and video signals, so that the audio and video signals are not required to be separated by additional equipment, additional external equipment is reduced, and equipment connection during application of the display is simplified. For each box 11, the processing module 113 in the box 11 may receive the audio and video signals, separate the received audio and video signals, send the audio signals to the sound generating device 114, and send the video signals to the display screen 111. Therefore, the display screen 111 in each box body 11 can play pictures according to the video signals, and the sound generating equipment 114 in each box body 11 can generate sound according to the audio signals, so that the sound of the display is generated, and the application scene of the display is enriched. Compared with the display in the prior art which only displays images, the display provided by the embodiment directly receives the audio and video signals, and separates the audio and video signals by taking the box body 11 as a unit, so that the synchronization between the video signals and the audio signals is ensured, the synchronism of playing pictures and playing sounds is ensured, and the playing effect is improved. Moreover, because each box 11 is provided with the sound generating devices 114, the number of sound generating devices is large, and the positions of the sound generating devices are distributed in the whole display area of the display, so that the sound playing stereoscopic effect is enhanced, and the sound generating device is particularly suitable for scenes needing sound multi-point output, such as meeting rooms, advertising scenes and the like.
It is thus clear that the display that this embodiment provided through set up processing module, display screen and sound production equipment in every box at the display to the box can directly receive audio and video signal as the unit, and the display does not need external signal processing equipment, sound equipment etc. and sound production and demonstration can be realized to the display itself, and the display is cleaner and tidier, and the installation of being convenient for is maintained, has also reduced the application cost of display, has richened the application scene of display.
It should be noted that, in this embodiment, other devices included in the display are not limited. For example, the display may further include a remote control signal receiver for receiving a remote control signal transmitted from a user through a remote control device, thereby controlling the display. The display may also include a Universal Serial Bus (USB) interface to connect external storage devices.
Optionally, the processing module 113 may comprise a receiver and a signal processor, the receiver being electrically connected to the signal processor.
And the receiver is used for receiving the audio and video signals and sending the audio and video signals to the signal decoder.
The signal processor separates the audio and video signals into an audio signal and a video signal, transmits the audio signal to the sound generating apparatus 114, and transmits the video signal to the display screen 111.
Alternatively, the processing module 113 may be a chip.
It should be noted that, in the present embodiment, the chip and the circuit board may have the same meaning. Alternatively, the processing module 113 may be a circuit board. When the processing module 113 comprises a receiver and a signal processor, the receiver and the signal processor may be arranged on a circuit board and the electrical connection is realized by means of a printed wiring on the circuit board.
Alternatively, if the sound-producing device 114 includes at least one speaker, the speaker may be disposed on and electrically connected to the chip.
In this embodiment, the number and the arrangement position of the speakers are not limited.
It should be noted that, in this embodiment, the implementation manner of the audio/video signal received by each box 11 is not limited.
Optionally, in an implementation, the display further includes a processor. After the display receives the externally input audio and video signals, the processor processes the externally input audio and video signals according to the number and the arrangement positions of the box bodies 11, obtains the audio and video signals respectively corresponding to each box body 11, and sends the audio and video signals respectively corresponding to each box body 11 to the corresponding box body 11.
See, for example, fig. 3. It is assumed that row 1 of FIG. 3 includes cases 1 through 4, row 2 includes cases 5 through 8, and row 3 includes cases 9 through 12. After the display receives the externally input audio and video signals, the audio and video signals 1-12 corresponding to the boxes 1-12 can be obtained according to the arrangement positions of the boxes 1-12 and the externally input audio and video signals, and the audio and video signals 1-12 are correspondingly sent to the boxes 1-12 respectively. Taking the case 1 as an example, the processing module 113 in the case 1 may separate the audio/video signal 1 into an audio signal and a video signal, send the audio signal to the sound generating device 114 in the case 111, and send the video signal to the display screen 111 in the case 1.
Optionally, in another implementation manner, the box 11 corresponds to identification information, and the identification information may uniquely distinguish different boxes. After the display receives the audio and video signals input from the outside, the audio and video signals input from the outside can be sent to each box body 11. For each box 11, the processing module 113 in the box 11 performs separation processing on the input audio and video signals to obtain an audio signal and a plurality of video signals, where the plurality of video signals correspond to the plurality of boxes one to one. The processing module 113 in the box 11 sends the video signal corresponding to the box 11 to the display 111 in the box 11 and sends the audio signal to the sound generating device 114 in the box 11 according to the identification information of the box. Optionally, the processing module 113 in the box 11 performs separation processing on the input audio and video signals to obtain at least one audio signal, where the at least one audio signal corresponds to at least one box 11 in the multiple boxes 11 one to one. The processing module 113 in the box 11 sends the audio signal corresponding to the box 11 to the sound generating device 114 in the box 11 according to the identification information of the box.
See, for example, fig. 3. It is assumed that row 1 of FIG. 3 includes cases 1 through 4, row 2 includes cases 5 through 8, and row 3 includes cases 9 through 12. After the display receives the audio and video signals input from the outside, the audio and video signals input from the outside are sent to the box bodies 1-12. Taking the case 1 as an example, in one implementation, the processing module 113 in the case 1 separates the audio and video signals into audio signals and 12 video signals. The 12 video signal marks are video signals 1-12 and correspond to the boxes 1-12 one by one. The processing module 113 in the cabinet 1 transmits the audio signal to the sound generating device 114 in the cabinet 1 and transmits the video signal 1 to the display screen 111 in the cabinet 1. In another implementation, the processing module 113 in the box 1 separates the audio and video signals into 12 audio signals and 12 video signals. The 12 video signal marks are video signals 1-12 and correspond to the boxes 1-12 one by one. The 12 audio signals are marked as audio signals 1-12 and correspond to the boxes 1-12 one by one. The processing module 113 in the cabinet 1 sends the audio signal 1 to the sound generating device 114 in the cabinet 1 and the video signal 1 to the display screen 111 in the cabinet 1. In yet another implementation, the processing module 113 in the box 1 separates the audio and video signals into 2 audio signals and 12 video signals. The 12 video signal marks are video signals 1-12 and correspond to the boxes 1-12 one by one. 2 audio signal can be audio signal 7 ~ 8, respectively with 7 ~ 8 one-to-one correspondences of box. The processing module 113 in the cabinet 1 sends the video signal 1 to the display screen 111 in the cabinet 1. At this time, the sound generating apparatus 114 in the cabinet 1 may not sound.
Next, an implementation of the sound generating apparatus 114 in the housing 11 will be described on the basis of the above-described embodiments shown in fig. 1 to 4.
Optionally, in one implementation, the sound producing device 114 may include at least one speaker.
In this embodiment, the specific number and the setting position of the speakers are not limited.
Optionally, one of the at least one speaker is located at a center position of the display screen 111.
Specifically, when 1 speaker is provided in the cabinet 11, the speaker may be located at the center of the display screen 111. When 2 or more than 2 speakers are provided in the cabinet 11, one of the speakers may be located at the center of the display screen 111. The position of the speaker is not limited in this embodiment. Alternatively, the display screens 111 may be uniformly distributed with the center position as the center.
Through set up 1 speaker in the central point of display screen, sound can send from the central point department of display screen, has promoted the homogeneity of sound diffusion.
Optionally, the display screen 111 includes a plurality of through holes.
Since the speaker is located behind the display screen, the display screen may block the diffusion of sound. Through set up a plurality of through-holes on the display screen, the through-hole is favorable to going out the sound diffusion that the speaker sent, promotes the sound producing effect of display.
In this embodiment, the number and the arrangement position of the through holes on the display screen 111 are not limited.
Optionally, one of the through holes is located at the center of the display screen 111.
Because the central point department of display screen can set up a speaker, consequently, central point at the display screen puts and sets up a through-hole for the sound that the speaker of central point department of display screen sent propagates through the through-hole of this position, has further promoted the vocal effect of display.
Optionally, in order to further improve the sound production effect of the display, the plurality of through holes are uniformly distributed on the display screen 111.
Optionally, in order to further improve the sound effect of the display, the number and the positions of the through holes on the display screen 111 may be the same as those of the speakers.
Optionally, referring to fig. 5, in another implementation, the sound generating device 114 may include at least one piezoceramic sheet 1141, the piezoceramic sheet 1141 being secured to the housing 112.
The piezoelectric ceramic plate 1141 is used for controlling the shell 112 to vibrate according to the audio signal so as to realize sound production.
In this implementation, for each case 11, the display screen 111 is fixed in front of the housing 112, the piezoceramic sheet 1141 is fixed behind the housing 112, and the piezoceramic sheet 1141 is in contact with the housing 112. In this embodiment, the type and structure of the piezoelectric ceramic plate 1141 are not limited. The piezoelectric ceramic piece is an electronic sound component. Generally, a piezoceramic wafer comprises two electrodes, and a piezoceramic dielectric material can be placed between the two electrodes. By connecting alternating-current audio signals on the two electrodes, the piezoelectric ceramic piece can vibrate according to the frequency of the audio signals to generate sound. In this embodiment, the processing module 113 in the box 11 sends the audio signal to the piezoelectric ceramic piece 1141, so that the piezoelectric ceramic piece 1141 drives the housing 112 contacting with the piezoelectric ceramic piece 1141 to vibrate according to the audio signal, thereby generating sound.
In this embodiment, the number and the arrangement position of the piezoelectric ceramic sheets 1141 are not limited.
Optionally, in order to improve the vibration sound production effect, the thickness of the area occupied by the piezoelectric ceramic plate 1141 on the casing 112 is smaller than the thickness of the area not occupied by the piezoelectric ceramic plate 1141 on the casing 112.
In this embodiment, the specific value of the thickness of the portion of the housing 112 contacting the piezoelectric ceramic sheet 1141 is not limited.
Optionally, one piezoceramic sheet 1141 of the at least one piezoceramic sheet 1141 is located at the center of the display screen 111.
Specifically, when 1 piezoelectric ceramic plate 1141 is disposed in the box 11, the piezoelectric ceramic plate 1141 may be located at the center of the display screen 111. When 2 or more than 2 piezoelectric ceramic sheets 1141 are disposed in the box 11, one of the piezoelectric ceramic sheets 1141 may be located at the center of the display screen 111.
Through set up 1 piezoceramics piece in the central point of display screen position, piezoceramics piece drives casing 112 vibration sound production, and sound can be sent from the central point of display screen position, has promoted the homogeneity of sound diffusion.
Fig. 6 is a flowchart of an audio/video signal processing method according to an embodiment of the present invention. The audio and video signal processing method provided by the embodiment of the invention can be applied to the display provided by the embodiment of the invention. As shown in fig. 6, the audio/video signal processing method provided in this embodiment may include:
and S601, acquiring audio and video signals.
And S602, separating the audio and video signals into audio signals and video signals.
And S603, controlling the display to sound according to the audio signal, and playing the picture according to the video signal.
Specifically, the display can directly acquire the audio/video signal. And sending the audio and video signals to each box body. And separating the audio and video signals into audio signals and video signals in the display, controlling the display to sound according to the audio signals, and playing pictures according to the video signals. Therefore, the display does not need additional signal processing equipment, sound equipment and the like, sound production and display can be achieved through the display, the display is cleaner and tidier, installation and maintenance are facilitated, the application cost of the display is reduced, and the application scene of the display is enriched.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A display, comprising: a plurality of enclosures comprising a housing, a processing module, a display screen, and a sound producing device; the display screen is fixed on the front side of the shell, the processing module and the sound generating equipment are fixed on the rear side of the shell, and the processing module, the display screen and the sound generating equipment are electrically connected;
the processing module is used for separating the input audio and video signals into audio signals and video signals, sending the audio signals to the sound generating equipment and sending the video signals to the display screen;
the sound generating equipment is used for controlling the box body to sound according to the audio signal;
and the display screen is used for playing pictures according to the video signal.
2. The display of claim 1, wherein the sound producing device comprises at least one speaker.
3. The display of claim 2, wherein one of the at least one speaker is located in a center position of the display screen.
4. The display of claim 2, wherein the display screen comprises a plurality of through holes.
5. The display of claim 2, wherein one of the plurality of through holes is located in a center of the display screen.
6. The display of claim 4, wherein the plurality of through holes are evenly distributed across the display screen.
7. The display of claim 1, wherein the sound-producing device comprises at least one piezoceramic wafer secured to the housing;
the piezoelectric ceramic piece is used for controlling the shell to vibrate according to the audio signal so as to realize sound production.
8. The display of claim 7, wherein a thickness of an area of the housing occupied by the piezoceramic wafer is less than a thickness of an area of the housing not occupied by the piezoceramic wafer.
9. The display of claim 7, wherein one of the at least one piezoceramic wafer is located in a central position of the display screen.
10. The display according to any one of claims 1-9, wherein the processing module comprises a receiver and a signal processor, the receiver and the signal processor being electrically connected;
the receiver is used for receiving the audio and video signals and sending the audio and video signals to the signal decoder;
the signal processor is used for separating the audio and video signals into the audio signals and the video signals, sending the audio signals to the sound generating equipment, and sending the video signals to the display screen.
11. The display according to any one of claims 1-9, wherein the processing module is a chip.
12. The display of claim 11, wherein the sound producing device comprises at least one speaker disposed on the chip and electrically connected to the chip.
13. The display according to any one of claims 1 to 9, wherein the display screen is a Light Emitting Diode (LED) lamp panel.
14. An audio-visual signal processing method, applied to the display device according to any one of claims 1 to 13, the method comprising:
acquiring an audio/video signal;
separating the audio and video signals into audio signals and video signals;
and controlling the display to sound according to the audio signal, and playing a picture according to the video signal.
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