CN113674519A - Loudspeaker sound channel audio control system - Google Patents
Loudspeaker sound channel audio control system Download PDFInfo
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- CN113674519A CN113674519A CN202010440567.6A CN202010440567A CN113674519A CN 113674519 A CN113674519 A CN 113674519A CN 202010440567 A CN202010440567 A CN 202010440567A CN 113674519 A CN113674519 A CN 113674519A
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- 230000005236 sound signal Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
Abstract
The invention provides a loudspeaker sound channel audio control system, which comprises a main audio-video processing unit, a main loudspeaker unit, an auxiliary processing unit, an auxiliary loudspeaker unit and a remote control unit, wherein the remote control unit mainly transmits a control instruction to control each sound channel loudspeaker to play audio, so that a user can appoint the loudspeaker to be switched on and off according to actual needs and personal preference, adjust the volume and even select a situation mode, and the convenience and the degree of freedom in use are improved. In addition, the auxiliary processing unit is provided with at least one auxiliary horn unit, so that the elasticity of mounting the horn is increased. Moreover, the invention can also greatly reduce the physical wiring of audio transmission and maintain the original decoration design.
Description
The present invention claims priority from taiwan patent application 109116085 filed on 14/05/2020.
Technical Field
The invention relates to a loudspeaker sound channel audio control technology, in particular to a loudspeaker sound channel audio control system which comprises a main audio-video processing unit, an auxiliary processing unit, a main loudspeaker unit and an auxiliary loudspeaker unit, wherein signals are transmitted between the main audio-video processing unit and the auxiliary processing unit in a wireless mode.
Background
With the improvement of living standard, people pay more attention to the improvement of quality in pursuit of entertainment, and in the field of leisure application of audio-visual sound, in order to achieve high-quality sound expression to meet the auditory sense demand of consumers, digital stereo, surround sound field multi-channel technology, such as Dolby (Dolby)5.1 channel system, 7.1 channel system, 5.1.2 channel system or other multi-channel system, has been successively introduced and is generally used for playing in movie theaters and music venues. In addition, with the continuous improvement of electronic technology, a high-quality home theater can be configured for a general home with limited cost, so that high-grade music listening or the unique sound quality of the theater can be enjoyed in a home environment.
In the prior art, the audio-visual coded signal is generally from a DVD disc, a blu-ray player, an online audio-visual source, etc., and has a fixed audio track and unit format, including image and multi-channel audio data, which is decoded, separated and amplified by an amplifier host, then the image data is directly played by a display, and the multi-channel audio data is played by each loudspeaker or sound box, such as front, side and rear different loudspeakers, so as to present the auditory perception of the listener as if he is in the actual scene.
However, the above-mentioned prior art has the disadvantage that the original video-audio coded signals in different tracks are decoded by the amplifier host and then separated into audio data for playing to the corresponding speakers, and for the original video-audio coded signals with the audio format of two-channel stereo, even if the played speaker system is upgraded to dolby 7.1, the sound effect of the rear speaker cannot be arbitrarily controlled, so it is quite limited and not flexible. Moreover, the wiring of the horn wire is difficult to pull, and the original sound track is limited, so that the horn cannot be randomly selected to be played.
Furthermore, in the general practical arrangement of dolby 7.1, the front speaker unit has a speaker installed in front of the user and close to the display, the center channel speaker is located below the display, the front left channel speaker and the front right channel speaker are respectively located on the left side and the right side of the display, the rear left channel speaker and the rear right channel speaker are located on both sides of or behind the user, the rear upper left channel speaker and the rear upper right channel speaker are located above the left rear side and the right rear side of the user, and the subwoofer may be closer to the user. Thus, the dolby 7.1 embodiment of the prior art requires a large amount of physical wiring to connect each horn, creating an overall environmental disturbance, and may also disrupt the original decorative design by requiring drill string in the ceiling or wall.
Therefore, an innovative speaker channel audio control system is needed, which utilizes an intelligent wireless remote controller to transmit a channel control command to change the broadcast content of different speakers, so that the user can arbitrarily change the effect of sound according to the actual needs and personal preferences, thereby expanding the flexibility of use and solving the problems of the prior art.
Disclosure of Invention
The embodiment of the invention provides a loudspeaker sound channel audio control system, which comprises a display unit, an audio-video source unit, a main audio-video processing unit, a main loudspeaker unit, at least one pair of processing units, at least one pair of loudspeaker units and a remote control unit, and is used for realizing high-quality and high-freedom audio-video entertainment enjoyment.
In the loudspeaker sound channel audio control system, the display unit can be a device with a display function such as a television, a screen, an LCD and the like, and the audio-video source unit can be a device such as a mobile phone, a tablet, a computer, a television box and the like, wherein the main audio-video processing unit is connected with the display unit, the audio-video source unit and the main loudspeaker unit in a wired mode, the main audio-video processing unit is connected with the at least one pair of processing units in a wired or wireless mode, the at least one pair of processing units is connected with the at least one pair of loudspeaker units in a wired mode, and signals are transmitted between the remote control unit and the main audio-video processing unit in a wireless mode.
The remote control unit has a touch function or a button which can be used for further controlling the main loudspeaker unit and the auxiliary loudspeaker unit through the main audio-video processing unit, in addition, a user can select different situation modes by the remote control unit to change the on-off or volume of the main loudspeaker unit and the auxiliary loudspeaker unit so as to achieve better audio-video experience, and the remote control unit can drive the wireless remote control function to generate and transmit a control instruction to the main audio-video processing unit.
The main audio-video processing unit receives the audio-video coding signal or the sound signal from the audio-video source unit, and performs audio-video decoding processing on the audio-video coding signal to generate an image playing signal and an audio playing signal, wherein the image playing signal is transmitted to the display unit, and meanwhile, the main audio-video processing unit also transmits the audio playing signal to the main loudspeaker unit according to the control instruction.
The main speaker unit may include a center channel speaker, a left channel speaker, a right channel speaker or a combination thereof, and receives an audio playing signal from the main audio/video processing unit.
The at least one auxiliary processing unit receives the audio playing signal from the main audio/video processing unit and transmits the audio playing signal to the at least one auxiliary speaker unit, in other words, the auxiliary processing unit is an audio receiving unit.
The remote control unit can select the on-off and volume of the main loudspeaker unit and the auxiliary loudspeaker unit, can also set the situation mode, and presets or stores the on-off state and volume state of the main loudspeaker unit and the auxiliary loudspeaker unit in different situation modes.
The remote control unit of the invention can appoint the switch and volume of each loudspeaker unit according to the actual need and personal preference, further expand the flexibility in use. Especially, the main audio/video processing unit and at least one auxiliary processing unit transmit audio signals by wireless or simple wires, thereby greatly reducing the wiring difficulty and increasing the freedom of speaker arrangement.
Drawings
FIG. 1 is a signal diagram of a speaker channel audio control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a horn channel audio control system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an exemplary application of a main speaker unit and a sub-speaker unit in a speaker channel audio control system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another application example of a main speaker unit and a sub-speaker unit in a speaker channel audio control system according to an embodiment of the invention;
fig. 5 is a schematic diagram of a control screen displayed by the remote control unit according to the embodiment of the present invention.
Reference numerals:
10, a main video processing unit;
12, video source unit;
14, a display unit;
20, a main horn unit;
30, a secondary processing unit;
40, an auxiliary horn unit;
AU is audio playing signal;
AV is an audio/video input signal;
v is image playing signal;
c, a central sound track loudspeaker;
CL is a left sound channel loudspeaker;
CR is a right sound channel loudspeaker;
r is a remote control unit;
u is a user;
v is the image playing signal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows a signal diagram of a loudspeaker channel audio control system according to an embodiment of the present invention, which includes a main audio/video processing unit 10, an audio/video source unit 12, a display unit 14, a main loudspeaker unit 20, a sub-processing unit 30, and sub-loudspeaker units 40, wherein at least one sub-loudspeaker unit 40 is configured in one sub-processing unit 30, which is regarded as a combination, and the loudspeaker channel audio control system according to an embodiment of the present invention may be configured (configured) in more than one combination, that is, one main audio/video processing unit 10 may be connected to a plurality of sub-processing units 30.
The audio/video source unit 12 transmits the un-decoded audio/video signal AV to the main audio/video processing unit 10 for decoding to generate an image playing signal V and an audio playing signal AU, the image playing signal V is transmitted to the display unit 14, the audio playing signal AU is transmitted to the main speaker unit 20 for playing and is transmitted to the sub-processing unit 30, and then the sub-processing unit 30 pushes the audio playing signal to the sub-speaker unit 40 for playing, in other words, the sub-processing unit 30 is an audio receiving unit.
In addition, the main audio/video processing unit 10 and the sub-processing unit 30 need to be connected to an external power source, but neither the main speaker unit 20 nor the sub-speaker unit 40 is connected to the external power source, the main speaker unit 20 is connected to the main audio/video processing unit 10, and the sub-speaker unit 40 is connected to the sub-processing unit 30 and transmits the audio playing signal AU.
Fig. 2 shows a schematic diagram of a loudspeaker channel audio control system according to an embodiment of the present invention. As shown in fig. 2, the speaker channel audio control system of the embodiment of the present invention includes a remote control unit R, a main audio/video processing unit 10, an audio/video source unit 12, a display unit 14, a main speaker unit 20, at least one auxiliary processing unit 30, and at least one auxiliary speaker unit 40, so as to achieve high-quality, high-elasticity, and high-freedom audio/video playing experience.
Specifically, the remote control unit R has a touch display function and a wireless remote control function, and the touch display function can be used to display a control screen, so that the user can drive the wireless remote control function to generate and transmit a control command to the main audio/video processing unit 10 by pressing the control screen. In other embodiments, the control instructions generated by the remote control unit R may be directly transmitted to the secondary processing unit 30. The remote control unit R may be a mobile device with APP or a general remote control device. The transmission of the control instruction can be realized by means of Bluetooth, infrared rays, wifi and the like.
In one embodiment of the present invention, the main audio/video processing unit 10 receives the control command and the audio/video encoding signal (or a simple audio signal) from the audio/video source unit 12, and performs audio/video decoding on the audio/video encoding signal to generate an image playing signal and an undecoded audio encoding signal, wherein the image playing signal is directly transmitted to the display unit 14 for display, and meanwhile, the main audio/video processing unit 10 performs audio decoding on the audio encoding signal according to the control command to generate and transmit the audio playing signal to the main speaker unit 20 for playing, and also transmits the audio playing signal to the sub-processing unit 30.
Further, the sub-processing unit 30 receives the audio playing signal from the main audio/video processing unit 10, and pushes the audio playing signal to the sub-speaker unit 40 for playing.
It should be noted that the main speaker unit 20 and the sub-speaker unit 40 of the present embodiment have different configuration designs, and reference is made to fig. 3 for convenience of description, and fig. 3 is only an exemplary illustration of the present invention and is not intended to limit the scope of the present invention, i.e., other audio systems combined are also within the scope of the present invention.
As shown in fig. 3, the main speaker unit 20 may include a center channel speaker C, a left channel speaker CL, and a right channel speaker CR, and includes a sub-processing unit 30 and four sub-speaker units 40.
For example, the display unit 14 is located in front of the user U, the speakers of the main speaker unit 20 are disposed in front of and close to the display unit 14, wherein the center channel speaker C is located below the display unit 14, the left channel speaker CL and the right channel speaker CR are respectively located at the left side and the right side of the display unit 14, the sub-processing unit 30 is disposed behind the user U, and the sub-speaker unit 40 is disposed near the side and the rear of the user U.
It is noted that the center channel speaker C, the left channel speaker CL, the right channel speaker CR and the sub-speaker units 40 may be disposed at other specific positions according to actual requirements, but all of them are within the scope of the present invention, and in the application example of fig. 3, one sub-processing unit 30 is disposed with a plurality of sub-speaker units 40, and in other application embodiments, two or more sub-processing units 30 are disposed with a plurality of sub-speaker units 40, or two or more sub-processing units 30 are disposed with one sub-speaker unit 40.
The display unit 14 can also be the video source device 12, that is, the display unit 14 can also be the source of the video encoding signal or the audio signal, and the video decoding process can include at least one of signal filtering process, signal decoding, signal separation process and signal mixing process.
The main audio/video processing unit 10 and the sub-processing unit 30 transmit audio playing signals in a wireless or wired manner, the sub-processing unit 30 and each sub-speaker unit 40 transmit audio playing signals in a wired manner, and only the sub-processing unit 30 needs to be connected with an external power supply.
In another embodiment of the present invention, as shown in fig. 4, the main speaker unit 20 may include a center channel speaker C, a woofer B, a left channel speaker CL and a right channel speaker CR, the main speaker unit 20 has a power line AC connected to a power supply, and includes two sub-processing units 30 and six sub-speaker units 40, both sub-processing units 30 also have power lines AC connected to the power supply, and the sub-speaker units 40 do not need power lines and only need to be connected to the sub-processing units 30, wherein one sub-processing unit 30 is located at the rear and configured with four sub-speaker units 40, and the other sub-processing unit 30 is located at the upper ceiling and configured with two sub-speaker units 40.
As further shown in fig. 5, a schematic diagram of a control screen displayed by the remote control unit R in the embodiment of the present invention is shown. As shown in fig. 5, the control screen includes a plurality of speaker icons, the main speaker unit 20 and the sub-speaker unit 40 are respectively configured correspondingly, the main speaker unit 20 and the sub-speaker unit 40 have numbers or symbols (such as A, B, C and 1, 2, 3, 4 in fig. 5) for users to select and play and adjust the volume, and the control screen further includes a selection icon of a situation mode, after clicking, users can default different modes in advance for different situation modes, for example, a theater mode is set as that the main speaker unit 20 is only opened by half of the volume of the center channel speaker, the sub-speaker unit 40 is fully opened by more than half of the volume, different modes can be directly selected in the future, the remote control unit R sends a control command, and the main speaker unit 20 and the sub-speaker unit 40 automatically complete corresponding on-off and volume.
For example, when watching tv at night, the user can select the close auxiliary speaker unit 40 to avoid getting loud, but if the user is in a party, the user can select the upper auxiliary speaker unit 40 to play background music without interfering with the conversation in the party.
The type of contextual model is merely exemplary and is not intended to limit the scope of the present invention, nor is the manner of volume adjustment.
Therefore, in practical application, the present invention enables the user to select the speaker icon of the control screen in fig. 5 according to the requirement, so that the selected speaker can broadcast the audio playing signal.
It is noted that the main video processing units used in the art are divided into two types, usually, the front stage and the rear stage are combined together, and the other type is divided into the front stage and the rear stage (the front stage is small signal processing, and the rear stage is a power amplifier), and if the main video processing unit is in a front-rear stage separated condition, the sub processing unit can also be placed in front of the user.
In summary, the main feature of the present invention is that the remote control unit is utilized to let the user switch the audio on and off, adjust the volume, or even select the situation mode according to the actual needs and personal preferences, thereby increasing the convenience and freedom of use.
In addition, the invention is characterized in that the auxiliary processing unit receives the audio playing signal from the main audio-video processing unit in a wired or wireless mode, only the main audio-video processing unit and the auxiliary processing unit need to be connected with an external power supply, and the auxiliary loudspeaker unit only needs to be connected with the auxiliary processing unit to transmit the audio, so that the physical wiring among the auxiliary processing unit, the main audio-video processing unit and the main and auxiliary loudspeakers can be saved, the overall wiring is greatly reduced, the configuration design is simplified, and the plurality of auxiliary processing units are matched with the auxiliary loudspeaker units, thereby further increasing the freedom and flexibility of configuration, and particularly not influencing and damaging the existing decoration.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (7)
1. The utility model provides a loudspeaker sound track audio control system for realize that high quality, high elasticity, high degree of freedom's audio-visual broadcast experience, its characterized in that includes:
the remote control unit has a touch control function and a wireless remote control function, wherein the touch control function is used for driving the wireless remote control function by a user through pressing a control picture so as to generate and transmit a control instruction;
a main video processing unit, which receives the control command from the remote control unit and a video coding signal or a simple audio signal from a video source unit, and performs video decoding processing on the video coding signal to generate a video playing signal and an audio coding signal, the video playing signal is transmitted to a display unit, the main video processing unit performs decoding processing on the audio coding signal to generate an audio playing signal, and the audio playing signal is transmitted according to the control command;
a main speaker unit for receiving and playing the audio playing signal; and
at least one combination, said combination further comprising a secondary processing unit, said secondary processing unit being configured with at least one secondary speaker unit, said secondary processing unit receiving and transmitting said audio playback signal to said secondary speaker unit;
wherein the main audio-visual processing unit is connected with the audio-visual source unit and the display unit in a wired or wireless manner, the main audio-visual processing unit is connected with the remote control unit in a wireless manner, the main audio-visual processing unit is connected with the main loudspeaker unit in a wired manner, the main audio-visual processing unit is connected with the auxiliary processing unit in a wired or wireless manner, the auxiliary processing unit is connected with the auxiliary loudspeaker unit in a wired manner, and the main audio-visual processing unit and the auxiliary processing unit are connected with an external power supply,
the control picture of the remote control unit comprises the main loudspeaker unit icon, the auxiliary loudspeaker unit icon and a situation mode icon, the main loudspeaker unit icon and the auxiliary loudspeaker unit icon provide for the user to select to turn on or off and adjust the volume, and the user selects the situation mode icon to further select different situation modes to control the on-off and the volume of the main loudspeaker unit and the auxiliary loudspeaker unit.
2. The horn channel audio control system of claim 1, wherein the remote control unit is a mobile device or a conventional remote control device comprising a remote control APP.
3. The horn channel audio control system of claim 1, wherein the wireless remote control function of the remote control unit is implemented by bluetooth, infrared or wifi.
4. The loudspeaker channel audio control system of claim 1 wherein the different contextual modes are preset by the user and stored in the remote control unit.
5. The loudspeaker channel audio control system of claim 1, wherein the main loudspeaker unit comprises: a center channel speaker, a woofer, a left channel speaker, a right channel speaker, or a combination thereof.
6. The system of claim 1, wherein the display unit is also the source device, i.e. the display unit can also be the source of the encoded audio signal or the audio signal.
7. The loudspeaker channel audio control system of claim 1, wherein the video decoding process comprises: at least one of signal filtering processing, signal decoding, signal separation processing, and signal mixing processing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW109116085A TWI739429B (en) | 2020-05-14 | 2020-05-14 | Speaker channel audio control system |
| TW109116085 | 2020-05-14 |
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| CN113674519A true CN113674519A (en) | 2021-11-19 |
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| CN202010440567.6A Pending CN113674519A (en) | 2020-05-14 | 2020-05-22 | Loudspeaker sound channel audio control system |
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| TW (1) | TWI739429B (en) |
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| CN2669532Y (en) * | 2004-01-14 | 2005-01-05 | 青岛海信电器股份有限公司 | Television receiver with wireless audio box |
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| TW202143219A (en) | 2021-11-16 |
| TWI739429B (en) | 2021-09-11 |
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Application publication date: 20211119 |
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