CN117395357A - Television based on digital loudspeaker and sounding method thereof - Google Patents
Television based on digital loudspeaker and sounding method thereof Download PDFInfo
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- CN117395357A CN117395357A CN202311697964.1A CN202311697964A CN117395357A CN 117395357 A CN117395357 A CN 117395357A CN 202311697964 A CN202311697964 A CN 202311697964A CN 117395357 A CN117395357 A CN 117395357A
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- 238000000034 method Methods 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 17
- 230000005236 sound signal Effects 0.000 claims description 17
- 238000003491 array Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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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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- 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
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—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
- H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a television based on a digital loudspeaker and a sound production method thereof, relates to the technical field of digital sound production, and aims to solve the problem that the prior art cannot simultaneously meet the volume requirement, the cost requirement and the personalized directional sound production requirement of the television. Wherein, the television structure includes: the device comprises a shell, a loudspeaker module and a display screen, wherein the loudspeaker module and the display screen are arranged in the shell; the display screen and the loudspeaker module are arranged on the front surface of the television; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen; the loudspeaker module comprises an array formed by a plurality of digital loudspeakers, and each digital loudspeaker comprises a driving chip and a pixel sounding unit array; the width and thickness of the speaker module achieve centimeter level accuracy; the speaker module determines the sound emission angle, sound emission volume and sound emission tone quality according to the appointed sound mode, and realizes directional sound emission. The volume requirement, the cost requirement and the personalized directional sounding requirement of the television can be simultaneously met.
Description
Technical Field
The invention relates to the technical field of digital sounding, in particular to a television based on a digital loudspeaker and a sounding method thereof.
Background
As audio-visual devices such as televisions and displays become more popular and popular, so too is the demand for the form and sound quality of televisions. The shape development trend of the current television is flattening and thinning, and the tone quality development trend is wider in response range and can be directionally transmitted to users, so that different audiovisual requirements of the users are met.
In the prior art, a speaker is required to provide sound for a user in a television, and one way is to provide sound by arranging an external speaker connected with the television, but the external speaker has high cost, is inconvenient to install and is not attractive. Thus, external speakers have been essentially eliminated by the market. Another way is to provide a built-in speaker, which increases the thickness of the television and increases the volume of the television. Then, in order to not increase the volume of the television but meet the demand, in the prior art, only the volume of the speaker is reduced to meet the demand of reducing the volume, however, the volume of the speaker is reduced to influence the low-frequency effect. Also, in order to achieve front-facing directional transmission to the user, speakers must be positioned on the front of the television, adding to the television volume and being aesthetically undesirable.
Therefore, a built-in loudspeaker which can simultaneously meet the volume requirement of a television and the personalized directional sounding requirement is lacking in the prior art.
Disclosure of Invention
The invention aims to provide a television based on a digital loudspeaker and a sound production method thereof, which are used for solving the problem that the volume requirement, the cost requirement and the personalized directional sound production requirement of the television cannot be met simultaneously in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
in a first aspect, the present invention provides a digital loudspeaker-based television comprising:
the device comprises a shell, a loudspeaker module and a display screen, wherein the loudspeaker module and the display screen are arranged in the shell;
the display screen and the loudspeaker module are arranged on the front surface of the television; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen;
the loudspeaker module comprises an array formed by a plurality of digital loudspeakers, and each digital loudspeaker comprises a driving chip and a pixel sounding unit array; the width and thickness of the speaker module achieve centimeter level accuracy;
the speaker module determines sound emission angles, sound emission volume and sound emission tone quality according to the appointed sound mode, and realizes directional sound emission.
Compared with the prior art, the television based on the digital loudspeaker provided by the invention comprises the following components: the device comprises a shell, a loudspeaker module and a display screen, wherein the loudspeaker module and the display screen are arranged in the shell; the display screen and the loudspeaker module are arranged on the front surface of the television; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen; the loudspeaker module comprises an array formed by a plurality of digital loudspeakers, and each digital loudspeaker comprises a driving chip and a pixel sounding unit array; the width and thickness of the speaker module achieve centimeter level accuracy; the speaker module determines the sound emission angle, sound emission volume and sound emission tone quality according to the appointed sound mode, and realizes directional sound emission. According to the television based on the digital loudspeaker, the built-in loudspeaker module uses the digital loudspeaker to replace an analog loudspeaker in the television, so that the problems that the analog loudspeaker of the existing television cannot realize directional sounding and has large volume are solved, and the problems that an external loudspeaker is high in cost, inconvenient to install and unattractive are solved; the width and the thickness of the speaker module realize centimeter-level precision, so that the problems of increasing the thickness of a television and improving the volume of the television caused by a built-in speaker can be solved; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen, each sounding area is independently controlled, and the speaker module determines sounding angles, sounding volume and sounding tone quality according to a designated sound mode, so that directional sounding is realized, and directional personalized sounding can be realized while the television volume is ensured.
In a second aspect, the present invention provides a method for sounding a television based on a digital speaker, where the method is applied to the television based on a digital speaker provided in the first aspect, and the method includes:
acquiring an original digital audio signal generated by an electronic terminal;
determining a designated sound mode selected by a user; the specified sound pattern includes at least: a full-field sounding mode, a directional region sounding mode, and a divided region sounding mode;
determining sounding information of the speaker module according to the designated sound mode; the sounding information at least comprises: the sound emission angle, the sound emission frequency, the sound emission volume and the sound emission tone quality of the loudspeaker module;
and realizing directional sounding of the television based on the digital loudspeaker based on the sounding information.
Compared with the prior art, the television sounding method based on the digital loudspeaker is provided by the invention. The method comprises the steps of obtaining an original digital audio signal generated by an electronic terminal; determining a designated sound mode selected by a user; the specified sound pattern includes at least: a full-field sounding mode, a directional region sounding mode, and a divided region sounding mode; determining sounding information of the speaker module according to the designated sound mode; the sounding information includes at least: sound emission angle, sound emission frequency, sound emission volume and sound emission tone quality of the speaker module; and realizing the directional sounding of the television based on the digital loudspeaker based on the sounding information. According to the sounding method provided by the invention, based on the appointed sound mode selected by the user, the corresponding sounding area is driven to sound, and the loudspeaker modules are arranged in the television and distributed in at least one area of the upper side, the lower side, the left side and the right side of the display screen, so that personalized directional sounding can be performed according to the user requirement while the television volume is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 to fig. 3 are schematic diagrams illustrating installation positions of speaker modules in a television based on a digital speaker according to the present invention;
fig. 4 is a schematic diagram of a digital speaker structure in a television based on a digital speaker according to the present invention;
fig. 5 is a schematic diagram of a television structure based on a digital speaker according to the present invention;
fig. 6 is a schematic flow chart of a television sounding method based on a digital loudspeaker provided by the invention;
fig. 7 is a schematic diagram showing sound emission mode selection in a television sound emission method based on a digital speaker according to the present invention;
fig. 8 is a schematic diagram of sound emission mode selection and corresponding structure adjustment sound emission process in a television sound emission method based on a digital speaker according to the present invention.
Reference numerals:
1-casing, 2-display screen, 3-sound hole.
Detailed Description
In order to clearly describe the technical solution of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", etc. are used to distinguish the same item or similar items having substantially the same function and effect. For example, the first threshold and the second threshold are merely for distinguishing between different thresholds, and are not limited in order. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.
In the present invention, the words "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
In the present invention, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, a and b, a and c, b and c, or a, b and c, wherein a, b, c can be single or multiple.
In the prior art, the speakers of televisions are provided with the following cases:
in the first case, the loudspeaker is arranged externally. I.e. the loudspeaker is arranged outside the television shell or independent of the television, and sound is provided by being connected with the television; but the external speaker is costly, inconvenient to install and unsightly.
In the second case, a speaker is built in, but the volume of the television is increased.
And in the third case, the built-in loudspeaker reduces the volume of the loudspeaker, but influences the low-frequency effect, so that the sounding effect is poor.
And in the fourth case, the loudspeaker can only be arranged on the front surface of the outer surface of the television, so that the volume is increased and the appearance is not attractive.
In order to solve the defects of the four conditions in the prior art, the invention provides a novel television structure based on a digital loudspeaker and a corresponding sounding method, which can meet the volume requirement of a television, avoid increasing the thickness of the television, solve the problem of high cost of an external loudspeaker and realize personalized directional sounding.
Next, the scheme provided by the embodiments of the present specification will be described with reference to the accompanying drawings:
example 1
The television structure based on the digital loudspeaker provided by the invention can comprise:
casing 1, display screen 2 and speaker module, speaker module set up in TV set casing 1, sound production through the sound hole 3 of casing 1, cooperation display screen 2 realize better audio-visual effect.
The speaker module is disposed on the front of the television for facing the viewer, and may be disposed in any combinable area of left and right sides/up and down, etc. of the display screen 2.
As shown in fig. 1, the speaker module may be disposed in an area directly below the display screen 2, but of course, the speaker module may be disposed in an area directly above the display screen 2 (not shown), a left side area, or a right side area. The speaker module in fig. 1 is a single integral sound emitting array, and all sound emitting arrays are disposed in one area.
The television shell 1 is provided with a sound outlet 3, and a speaker module is arranged behind the sound outlet 3, as shown in fig. 4, the speaker module is an array digital speaker, and the digital speaker comprises an ASIC chip and an array pixel sounding unit (only 4×8 is shown in fig. 4, and is actually 32×32, and the size of one pixel unit is 285×285 um).
As shown in fig. 2, the speaker module may be split into a plurality of sound emitting arrays, for example, 2 sound emitting arrays in fig. 2, and the split plurality of sound emitting arrays may be all disposed in a region, for example, two sound emitting arrays split in fig. 2 are all disposed under the display screen 2. In practical applications, the two split sound arrays may be disposed together in any combinable area such as left/right/both sides/up/down of the display screen 2. Of course, the split sounding arrays may also be disposed in different areas, for example: as shown in fig. 3, the two sound emitting arrays obtained by splitting may be respectively disposed on the left and right sides of the display screen 2. In practical application, the multiple split arrays may be respectively disposed in any combinable areas such as left/right/both sides/up/down of the display screen 2.
The speaker module includes an array of a plurality of digital speakers, each digital speaker including a driver chip (ASIC) and an array of pixel sound emitting cells. Because the speaker module is small in size, the speaker module can be arranged in the front area of the television without increasing the size, and the attractive appearance of the television is broken.
More specifically, the digital speaker may be 12×18mm in size and 3mm in thickness. The loudspeaker module can achieve small volume, width and thickness and centimeter-level precision so as to achieve ultrathin flat television. In addition, the digital loudspeaker can realize the tone quality effect of full frequency band coverage.
In embodiment 1, the television structure in fig. 1 to 3 includes: a housing 1, a speaker module provided in the housing 1, and a display screen 2; the display screen 2 and the loudspeaker module are arranged on the front surface of the television; the speaker modules are disposed in at least one of the upper, lower, left, and right areas of the display screen 2; the loudspeaker module comprises an array formed by a plurality of digital loudspeakers, and each digital loudspeaker comprises a driving chip and a pixel sounding unit array; the width and thickness of the speaker module achieve centimeter level accuracy; the speaker module determines the sound emission angle, sound emission volume and sound emission tone quality according to the appointed sound mode, and realizes directional sound emission. According to the television based on the digital loudspeaker, the built-in loudspeaker module uses the digital loudspeaker to replace an analog loudspeaker in the television, so that the problems that the analog loudspeaker of the existing television cannot realize directional sounding and has large volume are solved, and the problems that an external loudspeaker is high in cost, inconvenient to install and unattractive are solved; the width and the thickness of the speaker module realize centimeter-level precision, so that the problems of increasing the thickness of a television and improving the volume of the television caused by a built-in speaker can be solved; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen 2, each sounding area is independently controlled, and the speaker module determines sounding angles, sounding volumes and sounding tone quality according to a designated sound mode, so that directional sounding is realized, and directional personalized sounding can be realized while the television volume is ensured.
Optionally, as shown in fig. 5, the television structure based on digital speaker provided by the present invention may further include:
the system comprises a signal collector, a main control module, a mode selector and an angle controller.
The signal collector collects original digital audio signals generated by the electronic terminal through wireless communication.
The mode selector receives a mode selection signal from a remote control (e.g., a button on a television) to determine the selectable sound mode.
The angle controller is used for sending an angle adjusting signal to the main control module according to a mode selected by a user.
The main control module combines the decoded original audio signal with the mode selection signal and the angle adjustment signal, generates a pulse control signal after DSR processing, and sends the pulse control signal to the speaker module for controlling a plurality of digital speakers to sound.
Optionally, the speaker module is electrically connected with the main control module;
the loudspeaker module receives the pulse control signals and selects the number, the positions and the phases of digital loudspeakers needing sounding according to the pulse control signals;
adjusting sounding information of the speaker module according to the number, the position and the phase of the selected digital speakers needing sounding; the sounding information at least comprises sounding angle, sounding frequency, sounding volume and sounding tone quality of the loudspeaker module.
The loudspeaker module controls the driving chip to distribute the multi-path quantized digital pulse signals to each sounding pixel unit;
each sounding pixel unit converts a digital pulse signal into an acoustic pulse signal and outputs the acoustic pulse signal;
and sound waves generated by the sound-producing pixel units of the array formed by M multiplied by N in a cascading way on the digital loudspeaker are mutually overlapped to realize sound production.
Among them, there are three modes for the mode selector to select:
mode one, full-field sounding mode: the full-field sounding is realized for users.
The loudspeaker module selects a first number of digital loudspeakers according to the selection signal, and the driving chip drives the corresponding digital sounding array to sound at a first angle according to the pulse control signal; because the television based on the digital loudspeaker has the advantages that the synthesis of the wave fronts is realized by the superposition of thousands of loudspeaker unit arrays, the panoramic reconstruction of sound can be realized in the first mode, the effects of stereo, surround sound, panoramic sound and the like are included, and the immersive music experience is brought to people.
Mode two, directional region sounding mode: and sound production of a certain area is oriented, so that user sound production can be tracked.
The speaker module selects a second number of digital speakers according to the selection signal, and the driving chip drives the corresponding digital sounding array to sound at a second angle according to the pulse control signal;
the number and angle of sound production of the digital speakers in the speaker module are adjusted to reach a target area, and television sound is directionally transmitted to a certain area.
The angle controller can rotate and adjust the sounding area through the user remote controller to generate an angle adjusting signal, and can also automatically track the user by generating the angle adjusting signal after the infrared instrument/camera is arranged on the television to identify the user.
Mode three, zone sounding mode: two or more sound emitting areas are separated, each area realizing different sound requirements, e.g. different volume, different sound quality, etc.
The loudspeaker module respectively selects a third number of digital loudspeakers and a fourth number of digital loudspeakers according to the selection signals, a driving chip in the third number of digital loudspeakers drives a corresponding digital sounding array to sound at a third angle according to the pulse control signals, and a driving chip in the fourth number of digital loudspeakers drives the corresponding digital sounding array to sound at a fourth angle according to the pulse control signals;
the digital loudspeaker is split into two (not limited to) sounding arrays, the angle and the volume of each sounding array are controlled respectively, and different hearing effects of the two areas can be achieved.
In addition, the loudspeaker can be arranged at a plurality of positions, can be internally or externally arranged, can be used in combination and can be used in a split way. When the loudspeaker is arranged outside the television, sound effects such as stereophonic sound (a loudspeaker module realizes binaural stereophonic sound), surround sound (arranged behind a user), panoramic sound and the like can be realized according to the arrangement position of the loudspeaker. The main control module is connected with the loudspeaker module through wireless communication.
Example 2
Based on the same thought, the invention also provides a television sounding method based on the digital loudspeaker. The method is applied to a digital speaker-based television in embodiment 1. As shown in fig. 6, the process may include the steps of:
step 610: and acquiring an original digital audio signal generated by the electronic terminal.
Step 620: determining a designated sound mode selected by a user; the specified sound pattern includes at least: full-field sounding mode, directional region sounding mode, and split region sounding mode.
The full-field sounding mode means that full-field sounding is realized for a user.
The directional region sounding mode indicates that a certain region is sounding, and can realize tracking of user sounding.
The zoned sounding pattern means that two or more sounding zones are separated, each zone realizing different sound requirements, e.g. different volume, different sound quality, etc.
The designated sound mode may be a mode selected by a user watching television through a remote controller or a button on the television, a mode selected by the television automatically for the user based on a habit of watching television by the user at ordinary times, or a mode selected by the user through voice information or gesture information.
Step 630: determining sounding information of the speaker module according to the designated sound mode; the sounding information at least comprises: the sound emission angle, the sound emission frequency, the sound emission volume and the sound emission tone quality of the loudspeaker module.
Based on the needs of the user, personalized sounding can be realized for the user. Different users have different needs for watching television, for example: different users have different requirements on volume, tone quality and sounding direction. Therefore, personalized sounding can be realized for different users based on the requirements of the users, and the experience of watching television by the users is improved.
In the embodiment provided by the invention, the sounding quantity, the sounding position and the sounding direction of the digital loudspeaker in the loudspeaker module can be adjusted based on the requirement of a user to meet the requirement of the user.
Step 640: and realizing directional sounding of the television based on the digital loudspeaker based on the sounding information.
The method of fig. 6, by acquiring an original digital audio signal generated by an electronic terminal; determining a designated sound mode selected by a user; the specified sound pattern includes at least: a full-field sounding mode, a directional region sounding mode, and a divided region sounding mode; determining sounding information of the speaker module according to the designated sound mode; the sounding information includes at least: sound emission angle, sound emission frequency, sound emission volume and sound emission tone quality of the speaker module; and realizing the directional sounding of the television based on the digital loudspeaker based on the sounding information. According to the sounding method provided by the invention, based on the appointed sound mode selected by the user, the corresponding sounding area is driven to sound, and the loudspeaker modules are arranged in the television and distributed in at least one area of the upper side, the lower side, the left side and the right side of the display screen, so that personalized directional sounding can be performed according to the user requirement while the television volume is ensured.
Based on the method of fig. 6, the present description example also provides some specific implementations of the method, which are described below.
The determining the designated sound mode selected by the user may specifically include:
the main control module receives an original audio signal and judges whether a user views the audio signal in a partitioned mode;
if the user selects to watch in different areas, determining the sound requirement of the user on each area; the sound requirement at least comprises a volume requirement and a tone quality requirement;
according to the voice demand of the user, determining target sounding information of the speaker module corresponding to the voice demand, and controlling the speaker module to sound according to the target sounding information;
if the user does not select the subarea view, continuing to judge whether the user selects the full-field sounding mode or the directional area sounding mode, and determining the appointed sound mode selected by the user.
Furthermore, the sounding method provided by the invention is mainly applied to a television, the television is taken as an application scene, and a specific flow for realizing sounding of the television is described with reference to fig. 7:
the user turns on the television, and the signal collector receives the original audio signal of the terminal through wireless communication and sends the original audio signal to the main control module;
the main control module inquires whether the user needs to view in a partitioned mode;
if the user does not need to watch in different areas, inquiring the user about the requirement of the user on the sound, whether the user needs to sound in a whole field (corresponding to the mode I) or whether the user needs to orient a certain area (corresponding to the mode II);
if the user desires to view in separate areas, the user is asked for the number, location and sound of the sound emitting areas to adjust each area separately (corresponding to mode three).
In more detail, after the power supply of the television is started, displaying first inquiry information in a display screen of the television; the first inquiry information is used for inquiring whether the user selects to view in a subarea;
receiving selection information of a user;
if the selection information of the user is regional viewing, regional sounding information is displayed in the display screen; the regional sounding information is used for a user to select specific requirements of regional sounding; the regional sounding information at least comprises the number of sounding areas, the positions of the sounding areas and the volume;
if the selection information of the user is non-regional viewing, displaying second inquiry information in the display screen; the second inquiry information is used for inquiring whether the user selects the full-field sounding mode or the directional area sounding mode.
If the selection information of the user is viewed in a split area, after the split-area sounding information is displayed in the display screen, the method may further include:
displaying third inquiry information in the display screen; the third inquiry information is used for inquiring whether the user needs to track and sound in a directional mode;
if the user selects the target object needing directional tracking sounding, prompting the user to select the target object needing directional tracking sounding;
and carrying out directional tracking and directional sounding on the target object, and keeping the mute effect of the rest areas.
Optionally, in the sounding method provided by the present invention, directional sounding may be performed according to a mode selected by a user under the condition of ensuring the television size and the television volume, and the selection of all modes and the corresponding structure adjustment sounding flow in fig. 5 may be described with reference to fig. 8:
after the signal collector receives the original audio signal, judging whether the original audio signal is watched in a region;
if yes, the mode selector selects a mode III, the positions and the number of the selected areas are confirmed, and the angle controller respectively adjusts the angle requirements corresponding to each area; the main control module generates a pulse control signal according to the mode selection signal and the angle adjustment signal and sends the pulse control signal to the speaker module to realize the sounding effect corresponding to each mode.
If not, continuing to judge whether the directional tracking sounding is needed;
if directional tracking sounding is needed, the mode selector selects the mode II, after a user autonomously adjusts a sounding area or an infrared instrument and a camera identify a target user, the angle controller adjusts the sounding area or the infrared instrument and the camera to a second angle, and the main control module generates a pulse control signal according to the mode selection signal and the angle adjustment signal and sends the pulse control signal to the loudspeaker module to achieve the sounding effect corresponding to each mode.
If directional tracking sounding is not needed, the mode selector selects the mode I, the angle controller is adjusted to be a first angle, the main control module generates pulse control signals according to the mode selection signals and the angle adjusting signals, and the pulse control signals are sent to the loudspeaker module to achieve sounding effects corresponding to each mode.
According to the television based on the digital loudspeaker and the sound production method, the number and the sound production angles of the sound production unit arrays in the digital loudspeaker are controlled by the television based on the digital loudspeaker according to the sound mode required by a user so as to meet different listening requirements. The technical effects thereof can include:
1. the digital loudspeaker is arranged inside the television shell and is arranged on the front side of the television, compared with the traditional loudspeaker, the effect of the ultrathin television is realized, the volume is small, the digital loudspeaker can also face a user, and the sound production effect of full-frequency-band tone quality facing the user is realized.
2. Compared with the traditional loudspeaker, the digital loudspeaker realizes multiple functions, such as directional tracking, regional sounding and other effects.
3. The mode one, the mode two and the mode three can be switched at any time, so that a user can conveniently adjust according to different requirements.
Although the invention is described herein in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the invention has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are merely exemplary illustrations of the present invention as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A digital speaker-based television, comprising:
the device comprises a shell, a loudspeaker module and a display screen, wherein the loudspeaker module and the display screen are arranged in the shell;
the display screen and the loudspeaker module are arranged on the front surface of the television; the speaker module is arranged in at least one area of the upper side, the lower side, the left side and the right side of the display screen;
the loudspeaker module comprises an array formed by a plurality of digital loudspeakers, and each digital loudspeaker comprises a driving chip and a pixel sounding unit array; the width and thickness of the speaker module achieve centimeter level accuracy;
the speaker module determines sound emission angles, sound emission volume and sound emission tone quality according to the appointed sound mode, and realizes directional sound emission.
2. The digital speaker-based television of claim 1, wherein the television further comprises:
the system comprises a signal collector, a main control module, a mode selector and an angle controller;
the signal collector is used for collecting original digital audio signals generated by the electronic terminal through wireless communication;
the mode selector is used for determining a specified sound mode according to a specified receiving mode;
the angle controller is used for sending an angle adjusting signal to the main control module according to the appointed sound mode;
and the main control module performs DSR processing on the decoded original audio signal according to the appointed sound mode and the angle adjusting signal, generates a pulse control signal and sends the pulse control signal to the loudspeaker module.
3. The digital speaker-based television of claim 2, wherein the speaker module is electrically connected to the master control module;
the loudspeaker module receives the pulse control signals and selects the number, the positions and the phases of digital loudspeakers needing sounding according to the pulse control signals;
adjusting sounding information of the speaker module according to the number, the position and the phase of the selected digital speakers needing sounding; the sounding information at least comprises sounding angle, sounding frequency, sounding volume and sounding tone quality of the loudspeaker module.
4. The digital speaker-based television of claim 1, wherein the speaker module controls the driver chip to distribute the multiplexed quantized digital pulse signals to the sounding pixel units;
each sounding pixel unit converts a digital pulse signal into an acoustic pulse signal and outputs the acoustic pulse signal;
and sound waves generated by the sound-producing pixel units of the array formed by M multiplied by N in a cascading way on the digital loudspeaker are mutually overlapped to realize sound production.
5. The digital speaker-based television of claim 2, wherein the designated sound mode comprises at least: a full-field sounding mode, a directional region sounding mode, and a divided region sounding mode;
when the appointed sound mode is a full-field sound mode, the speaker module selects a first number of digital speakers to perform full-field sound at a first angle;
when the designated sound mode is the directional region sounding, the angle controller rotationally adjusts the sounding region through a user remote controller to generate an angle adjusting signal; or after the infrared instrument and the camera arranged on the television identify the target user, generating an angle adjusting signal to automatically track the target user;
adjusting the sounding quantity and angle of the digital speakers in the speaker module to reach a target area, and directionally transmitting television sound to the target area; the target area is an area for rotation adjustment of a user remote controller or an area where a target user is located;
the speaker module selects a second number of digital speakers to sound at a second angle.
6. The television based on digital speakers according to claim 5, wherein when the specified sound mode is a zone sounding mode, the speaker module selects a third number of digital speakers and a fourth number of digital speakers, respectively, a driving chip in the third number of digital speakers sounds at a third angle according to a digital sounding array corresponding to a pulse control signal driving system, and a driving chip in the fourth number of digital speakers sounds at a fourth angle according to a digital sounding array corresponding to a pulse control signal driving system;
the digital loudspeaker is split into a plurality of sounding arrays, and the angle and the volume of each sounding array are independently controlled.
7. A digital speaker-based television sound production method applied to the digital speaker-based television of any one of claims 1 to 6, the method comprising:
acquiring an original digital audio signal generated by an electronic terminal;
determining a designated sound mode selected by a user; the specified sound pattern includes at least: a full-field sounding mode, a directional region sounding mode, and a divided region sounding mode;
determining sounding information of the speaker module according to the designated sound mode; the sounding information at least comprises: the sound emission angle, the sound emission frequency, the sound emission volume and the sound emission tone quality of the loudspeaker module;
and realizing directional sounding of the television based on the digital loudspeaker based on the sounding information.
8. The digital speaker based television sounding method of claim 7, wherein the determining the specified sound mode selected by the user comprises:
the main control module receives an original audio signal and judges whether a user views the audio signal in a partitioned mode;
if the user selects to watch in different areas, determining the sound requirement of the user on each area; the sound requirement at least comprises a volume requirement and a tone quality requirement;
according to the voice demand of the user, determining target sounding information of the speaker module corresponding to the voice demand, and controlling the speaker module to sound according to the target sounding information;
if the user does not select the subarea view, continuing to judge whether the user selects the full-field sounding mode or the directional area sounding mode, and determining the appointed sound mode selected by the user.
9. The digital speaker-based television sounding method of claim 8, wherein the method comprises:
after the power supply of the television is started, displaying first inquiry information in a display screen of the television; the first inquiry information is used for inquiring whether the user selects to view in a subarea;
receiving selection information of a user;
if the selection information of the user is regional viewing, regional sounding information is displayed in the display screen; the regional sounding information is used for a user to select specific requirements of regional sounding; the regional sounding information at least comprises the number of sounding areas, the positions of the sounding areas and the volume;
if the selection information of the user is non-regional viewing, displaying second inquiry information in the display screen; the second inquiry information is used for inquiring whether the user selects the full-field sounding mode or the directional area sounding mode.
10. The digital speaker-based television sound production method according to claim 8, further comprising, after displaying the divided sound production information in the display screen if the user's selection information is viewed in divided areas:
displaying third inquiry information in the display screen; the third inquiry information is used for inquiring whether the user needs to track and sound in a directional mode;
if the user selects the target object needing directional tracking sounding, prompting the user to select the target object needing directional tracking sounding;
and carrying out directional tracking and directional sounding on the target object, and keeping the mute effect of the rest areas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311697964.1A CN117395357A (en) | 2023-12-12 | 2023-12-12 | Television based on digital loudspeaker and sounding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311697964.1A CN117395357A (en) | 2023-12-12 | 2023-12-12 | Television based on digital loudspeaker and sounding method thereof |
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| CN117395357A true CN117395357A (en) | 2024-01-12 |
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| CN202311697964.1A Pending CN117395357A (en) | 2023-12-12 | 2023-12-12 | Television based on digital loudspeaker and sounding method thereof |
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| CN115988381A (en) * | 2022-12-30 | 2023-04-18 | 联想(北京)有限公司 | Directional sound production method, device and equipment |
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| CN1849819A (en) * | 2003-09-16 | 2006-10-18 | 1...有限公司 | Digital loudspeaker |
| CN103401559A (en) * | 2008-06-16 | 2013-11-20 | 株式会社特瑞君思半导体 | Digital loudspeaker driving device, digital loudspeaker device, digital actuator, planar display device, and mobile electronic apparatus |
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