CN105992105A - Method and system for supporting wireless expansion multichannel sound box and multichannel sound box - Google Patents
Method and system for supporting wireless expansion multichannel sound box and multichannel sound box Download PDFInfo
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- CN105992105A CN105992105A CN201510052427.0A CN201510052427A CN105992105A CN 105992105 A CN105992105 A CN 105992105A CN 201510052427 A CN201510052427 A CN 201510052427A CN 105992105 A CN105992105 A CN 105992105A
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Abstract
The present invention discloses a method for realizing a wireless expansion multichannel sound box. The method comprises: a main sound channel sound box receives inputting simulation/digital signals; the main sound channel sound box performs signal processing of the simulation/digital signals; the simulation/digital signals perform wireless sending of the processed simulation/digital signals through a wireless sending module; and an expanded satellite sound box receives processed digital signals and converts the processed digital signals to simulation audio signals for outputting. A bass can add a wireless module to add other wireless satellite sound boxes and form more sound channels. A family cinema sound system taking an wired mode as the basis and a wireless mode as the expansion can satisfy usage requirement of various users. The users generally using the 2.1 system do not need wireless, and users using the 5.1 and 7.1 systems need to arrange a rear encircling sound box to be a wireless mode so as to avoid the cluttered and tedious middle wiring.
Description
Technical field
The invention belongs to sound box system field, particularly to a kind of side supporting wireless extensions sound-channel voice box
Method, system and sound-channel voice box.
Background technology
Along with the development of audio visual technology, increasing family employs multiple audio amplifier assembly home theater.
The audio amplifier of traditional components home theater generally has 6～8, two preposition audio amplifiers, four surround speakers, one
Center-channel speaker and a woofer, all audio amplifiers are all connected on power amplifier, also have and power amplifier is integrated in subwoofer
On.Need between satellite sound and main sound box to be attached, as shown in Figure 1 by a large amount of tone frequency channel wires.This
The home theater of kind of structure there is a problem in that one be mixed and disorderly placement-and-routing limit attractive in appearance.Two is flexible
Property the poorest, be not easy to mobile, even if using the mode of pipe laying wiring can seem more succinct, as lean on
Nearly line and be interfered.
Summary of the invention
It is an object of the invention to provide a kind of method supporting wireless extensions sound-channel voice box and sound-channel voice box
System, mixed and disorderly for solving traditional audio amplifier layout during multi-channel extension, asking of very flexible
Topic.
In order to solve above-mentioned technical problem, the present invention is achieved through the following technical solutions:
According to the first object of the present invention, it is provided that a kind of method realizing wireless extensions sound-channel voice box.
A kind of method realizing wireless extensions sound-channel voice box, described method includes:
Main sound channel audio amplifier receives the analog/digital signal of input；
Main sound channel audio amplifier carries out signal processing to described analog/digital signal；
Analog/digital signal after main sound channel audio amplifier will process carries out wireless transmission by wireless sending module；
The satellite sound of extension receives the digital signal after described process, and is converted into simulated audio signal and carries out
Output.
As further technical scheme, main sound channel audio amplifier carries out signal processing bag to described analog/digital signal
Include:
If input is analogue signal, the most described analogue signal is by carrying out power after power supply and power amplification controller
After amplification, it is low that a part for described analogue signal is transmitted directly in main sound channel audio amplifier after drive amplification
The preposition audio amplifier in sound big gun, center-channel speaker and left and right exports after being driven amplifying, another portion of described analogue signal
Divide and be converted into digital signal by analog-to-digital conversion module；
If input is digital signal, the encoded digital signal in the most described digital signal passes through audio frequency
Codec unit be decoded process, through decoding process and without in the digital signal of decoding process
A part converts digital signals into analogue signal by D/A converter module, and be transferred to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part is transferred to wireless sending module.
As further technical scheme, the satellite sound of described extension receives the analog/digital after described process
Signal, and be converted into simulated audio signal and carry out output and include:
Analog/digital signal after radio frequency/electric lines of force receiver module reception process, is sent to power supply and power amplifier control
Device processed；
Analog/digital signal conversion after described process is become analogue signal to go forward side by side by digital to analog converter and driving module
Row output.
According to the second object of the present invention, it is provided that a kind of system realizing wireless extensions sound-channel voice box.
A kind of system realizing wireless extensions sound-channel voice box, described system includes main sound channel audio amplifier and extension
Satellite sound；
Described main sound channel audio amplifier includes:
Signal receiving module, for receiving the analog/digital signal of input；
Signal processing module, for carrying out signal processing to described analog/digital signal；
Wireless sending module, the analog/digital signal after processing is transmitted；
The satellite sound of described extension analog/digital signal after receiver module receives described process, and turn
Change simulated audio signal into export.
As further technical scheme, described signal processing module includes:
First processing unit, for being analogue signal when input, the most described analogue signal passes through power supply and merit
After carrying out power amplification after putting controller, a part for described analogue signal be transmitted directly to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part of described analogue signal is turned by analog-to-digital conversion module
Change digital signal into；
Second processing unit, for being digital signal when input, encoded in the most described digital signal
Digital signal by audio coding decoding unit be decoded process, through decoding process and without decoding
A part in the digital signal processed converts digital signals into analogue signal by D/A converter module, and
Being transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right export, another part is sent to wireless transmission
Module.
As further technical scheme, the satellite sound of described extension includes:
Radio frequency/electric lines of force receiver module, for receiving the analog/digital signal after process, be sent to power supply and
Power amplification controller；
Digital to analog converter and driving module, for becoming simulation letter by the analog/digital signal conversion after described process
Number and play out.
According to the third aspect of the invention we, it is provided that a kind of sound-channel voice box supporting wireless extensions.
A kind of sound-channel voice box supporting wireless extensions, described audio amplifier includes the satellite of main sound channel audio amplifier and extension
Audio amplifier, described main sound channel audio amplifier includes that subwoofer, described subwoofer are provided with analog-to-digital conversion module, and being used for will
The analogue signal of input is converted into digital signal；
Described subwoofer is provided with wireless sending module, and described wireless/power line module is converted into for transmission
The digital signal that digital signal and holding wire send；
The satellite sound of described extension is provided with wireless receiving module, is used for receiving described digital signal；
Digital to analog converter and driving module, for being converted into analogue signal and carrying out defeated by described digital signal
Go out.
As further technical scheme, described subwoofer also includes:
Audio coding decoding processor, for being decoded encoded digital signal；
Digital to analog converter and driving module, for being converted into analogue signal by a part of digital signal and being sent to
Main sound channel audio amplifier exports.
As further technical scheme, described audio amplifier also include being centered around described subwoofer surrounding and respectively with
Center-channel speaker, the left front preposition audio amplifier of audio amplifier and the right side of putting that subwoofer is connected by tone frequency channel wire connect.
As further technical scheme, the satellite sound of described extension includes at least one left surround speaker, the right side
Surround speaker and/or at least one left back puts surround speaker, right rearmounted surround speaker.
Beneficial effect:
The subwoofer of the present invention can add wireless module, is used for adding other radio satellite audio amplifier, composition
More sound channel.This wired based on, wireless for extension home theater sound equipment system, can all kinds of use
The use demand at family.The user of 2.1 systems is generally used to need not wireless, and the user of 5.1,7.1 systems
It is arranged to wireless mode, to avoid the mixed and disorderly with loaded down with trivial details of middle wiring with greater need for by rearmounted surround speaker.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of method realizing wireless extensions sound-channel voice box of the present invention.
Fig. 2 is the system block diagram of a kind of system realizing wireless extensions sound-channel voice box of the present invention.
Fig. 3 is the structured flowchart of a kind of sound-channel voice box supporting wireless extensions of the present invention.
It it is the structural representation of a kind of sound-channel voice box supporting wireless extensions of the present invention with 4.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated；Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
In order to technical scheme is described, illustrate below by specific embodiment.
Embodiment 1
As it is shown in figure 1, a kind of method realizing wireless extensions sound-channel voice box, described method includes:
S101: main sound channel audio amplifier receives the analog/digital signal of input；
S102: main sound channel audio amplifier carries out signal processing to described analog/digital signal；
Analog/digital signal after S103: main sound channel audio amplifier will process carries out wireless by wireless sending module
Send；
The satellite sound of S104: extension receives the digital signal after described process, and is converted into analogue audio frequency letter
Number export.
Certainly, it should be noted that the wireless sending module of the present invention is alternatively an electric lines of force sending module,
Power line module is by wired transmission data, and it is pointed out that the data of transmission are to pass through family
In the city wire transfer that is seen everywhere.
Refer to Fig. 4, in embodiments of the invention 1, this sound-channel voice box can be double track audio amplifier, 5.1
Audio amplifier or 7.1 audio amplifiers, wherein, 0.1 refers to subwoofer 2, and 5 and 7 quantity referring to audio amplifier, also
I.e. number of channels, satellite sound refers to be looped around the audio amplifier of subwoofer, includes but not limited to center-channel speaker
10, left front audio amplifier 30, the right preposition audio amplifier 20 put, left surround speaker 50, right surround audio amplifier 40, left back puts
Surround speaker 70, right rearmounted surround speaker 60.The satellite sound of described extension refers to except main sound channel sound
Other audio amplifiers of case.
In embodiments of the invention 1, main sound channel audio amplifier carries out signal processing bag to described analog/digital signal
Include:
If input is analogue signal, the most described analogue signal is by carrying out power after power supply and power amplification controller
After amplification, a part for described analogue signal is transmitted directly to the subwoofer in main sound channel audio amplifier, center-channel speaker
Audio amplifier preposition with left and right exports, and another part of described analogue signal is converted into by analog-to-digital conversion module
Digital signal；
If input is digital signal, the encoded digital signal in the most described digital signal passes through audio frequency
Codec unit be decoded process, through decoding process and without in the digital signal of decoding process
A part converts digital signals into analogue signal by D/A converter module, and be transferred to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part is sent to wireless sending module.
If it should be noted that input signal is by SPDIF interface, encoded DTS numeral
Audio coding, then need to use decoding chip, and the DTS coding organizing signal mixing is decoded and is separated more
Organize sound channel more.Then the sound channel needing extension uses independent digital signal, and is sent by radio frequency chip
Going out, satellite sound then receives the audio frequency of corresponding sound channel by radio frequency chip.
Additionally, due to do not use the electric power system of main frame, satellite sound generally requires independent power supply/battery
Electric power system.Therefore, power line is requisite.The development of power line carrier PLC technology, makes electricity consumption
Line of force transmission data become to realize.Therefore, if main frame provides PLC module rather than radio frequency mould
Block, satellite sound can also select corresponding reception mode to be received signal.
In embodiments of the invention 1, the satellite sound of described extension receives the analog/digital after described process
Signal, and be converted into simulated audio signal and carry out output and include:
Analog/digital signal after radio frequency/electric lines of force receiver module reception process, is sent to power supply and power amplifier control
Device processed；
Analog/digital signal conversion after described process is become analogue signal to go forward side by side by digital to analog converter and driving module
Row output.
The subwoofer of the present invention can add wireless module, is used for adding other radio satellite audio amplifier, composition
More sound channel.This wired based on, wireless for extension home theater sound equipment system, can all kinds of use
The use demand at family.The user of 2.1 systems is generally used to need not wireless, and the user of 5.1,7.1 systems
It is arranged to wireless mode, to avoid the mixed and disorderly with loaded down with trivial details of middle wiring with greater need for by rearmounted surround speaker.
Embodiment 2
As in figure 2 it is shown, a kind of system realizing wireless extensions sound-channel voice box, described system includes main sound channel
Audio amplifier 1 and the satellite sound 4 of extension；
Described main sound channel audio amplifier 1 includes:
Signal receiving module 100, for receiving the analog/digital signal of input；
Signal processing module 200, for carrying out signal processing to described analog/digital signal；
Wireless sending module 300, the analog/digital signal after processing is transmitted；
The satellite sound 4 of described extension analog/digital signal after receiver module receives described process, and
It is converted into simulated audio signal to export.
In embodiments of the invention 2, described signal processing module 200 includes:
First processing unit, for being analogue signal when input, the most described analogue signal passes through power supply and merit
After carrying out power amplification after putting controller, a part for described analogue signal be transmitted directly to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part of described analogue signal is turned by analog-to-digital conversion module
Change digital signal into；
Second processing unit, for being digital signal when input, encoded in the most described digital signal
Digital signal by audio coding decoding unit be decoded process, through decoding process and without decoding
A part in the digital signal processed converts digital signals into analogue signal by D/A converter module, and
Being transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right export, another part is sent to wireless transmission
Module.
In embodiments of the invention 2, the satellite sound 4 of described extension includes:
Radio frequency/electric lines of force receiver module 400, the analog/digital signal after receiving process, it is sent to power supply
And power amplification controller；
Digital to analog converter and driving module 500, for by analog/digital signal conversion Cheng Mo after described process
Intend signal and play out.
The subwoofer of the present invention can add wireless module, is used for adding other radio satellite audio amplifier, composition
More sound channel.This wired based on, wireless for extension home theater sound equipment system, can all kinds of use
The use demand at family.The user of 2.1 systems is generally used to need not wireless, and the user of 5.1,7.1 systems
It is arranged to wireless mode, to avoid the mixed and disorderly with loaded down with trivial details of middle wiring with greater need for by rearmounted surround speaker.
Embodiment 3
As it is shown on figure 3, a kind of sound-channel voice box supporting wireless extensions, described audio amplifier includes main sound channel audio amplifier
1 and extension satellite sound 4, described main sound channel audio amplifier 1 includes subwoofer 2,
Described subwoofer 2 is provided with analog-to-digital conversion module 3, for the analogue signal of input is converted into numeral
Signal；
Described subwoofer 2 is provided with wireless sending module 5, and described wireless/power line module is used for sending conversion
The digital signal that the digital signal become and holding wire send；
The satellite sound 4 of described extension is provided with wireless receiving module 5, is used for receiving described digital signal；
First digital to analog converter and driving module 6, go forward side by side for described digital signal is converted into analogue signal
Row output.
It will of course be understood that, the analog-to-digital conversion module 3 of this programme, wireless receiving module 5 are except permissible
Outside being arranged in subwoofer 2, it is also possible to other the parts being arranged in main sound channel audio amplifier 1, such as in
Putting audio amplifier, audio amplifier is put on a such as left side and the right side is put in audio amplifier.
Continuing referring to Fig. 3, described subwoofer 2 also includes:
Audio coding decoding processor 7, for being decoded encoded digital signal；
Second digital to analog converter and driving module 8, for being converted into analogue signal also by a part of digital signal
It is sent to main sound channel audio amplifier export.
In embodiments of the invention 3, described audio amplifier also include being centered around described subwoofer surrounding and respectively with
Center-channel speaker, the left front preposition audio amplifier of audio amplifier and the right side of putting that subwoofer is connected by tone frequency channel wire connect.
In embodiments of the invention 3, the satellite sound 4 of described extension include at least one left surround speaker,
Right surround audio amplifier and/or at least one left back puts surround speaker, right rearmounted surround speaker.
In embodiments of the invention 3, if audio amplifier uses analogue signal input multi-channel system, the most wireless
Extension sound channel has to pass through analog-digital converter and is converted into digital signal, and radio frequency is gone out the most again；Satellite sound needs
Rf digital signal to be received is then reduced into analogue audio frequency.If additionally, input signal is to be connect by SPDIF
Mouth, encoded DTS digital audio encoding, then need to use decoding chip, will organize signal mixing more
DTS coding is decoded and separates organizes sound channel more.Then the sound channel needing extension uses independent numeral letter
Number, and sent by radio frequency chip.Satellite sound then receives the sound of corresponding sound channel by radio frequency chip
Frequently.
In embodiments of the invention 3, owing to not using the electric power system of main frame, satellite sound generally requires
There is independent power supply/battery power supply system.Therefore, power line is requisite.Power line carrier PLC
The development of technology, uses power line transmission data to become to realize.Therefore, if main frame provides PLC
Module rather than radio-frequency module, satellite sound can also select corresponding reception mode to be received signal.
The subwoofer of the present invention can add wireless module, is used for adding other radio satellite audio amplifier, composition
More sound channel.This wired based on, wireless for extension home theater sound equipment system, can all kinds of use
The use demand at family.The user of 2.1 systems is generally used to need not wireless, and the user of 5.1,7.1 systems
It is arranged to wireless mode, to avoid the mixed and disorderly with loaded down with trivial details of middle wiring with greater need for by rearmounted surround speaker.
It should be noted that in above-described embodiment, included unit is simply carried out according to function logic
Divide, but be not limited to above-mentioned division, as long as being capable of corresponding function；It addition, it is each
The specific name of functional unit, also only to facilitate mutually distinguish, is not limited to the protection model of the present invention
Enclose.
It addition, one of ordinary skill in the art will appreciate that the whole or portion realizing in the various embodiments described above method
The program that can be by step by step is to specify relevant hardware to complete, and corresponding program can be stored in calculating
Storage medium in machine read/write memory medium, such as ROM/RAM, disk or CD etc..
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (10)
1. the method realizing wireless extensions sound-channel voice box, it is characterised in that described method includes:
Main sound channel audio amplifier receives the analog/digital signal of input；
Main sound channel audio amplifier carries out signal processing to described analog/digital signal；
Analog/digital signal after main sound channel audio amplifier will process carries out wireless transmission by wireless sending module；
The satellite sound of extension receives the digital signal after described process, and is converted into simulated audio signal and carries out
Output.
Method the most according to claim 1, it is characterised in that main sound channel audio amplifier is to described analog/digital
Signal carries out signal processing and includes:
If input is analogue signal, the most described analogue signal is by carrying out power after power supply and power amplification controller
After amplification, it is low that a part for described analogue signal is transmitted directly in main sound channel audio amplifier after drive amplification
The preposition audio amplifier in sound big gun, center-channel speaker and left and right exports after being driven amplifying, another portion of described analogue signal
Divide and be converted into digital signal by analog-to-digital conversion module；
If input is digital signal, the encoded digital signal in the most described digital signal passes through audio frequency
Codec unit be decoded process, through decoding process and without in the digital signal of decoding process
A part converts digital signals into analogue signal by D/A converter module, and be transferred to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part is transferred to wireless sending module.
Method the most according to claim 1, it is characterised in that the satellite sound of described extension receives institute
State the analog/digital signal after process, and be converted into simulated audio signal and carry out output and include:
Analog/digital signal after radio frequency/electric lines of force receiver module reception process, is sent to power supply and power amplifier control
Device processed；
Analog/digital signal conversion after described process is become analogue signal to go forward side by side by digital to analog converter and driving module
Row output.
4. the system realizing wireless extensions sound-channel voice box, it is characterised in that described system includes main sound
Road audio amplifier and the satellite sound of extension；
Described main sound channel audio amplifier includes:
Signal receiving module, for receiving the analog/digital signal of input；
Signal processing module, for carrying out signal processing to described analog/digital signal；
Wireless sending module, the analog/digital signal after processing is transmitted；
The satellite sound of described extension analog/digital signal after receiver module receives described process, and turn
Change simulated audio signal into export.
System the most according to claim 4, it is characterised in that described signal processing module includes:
First processing unit, for being analogue signal when input, the most described analogue signal passes through power supply and merit
After carrying out power amplification after putting controller, a part for described analogue signal be transmitted directly to subwoofer, in put
The preposition audio amplifier of audio amplifier and left and right exports, and another part of described analogue signal is turned by analog-to-digital conversion module
Change digital signal into；
Second processing unit, for being digital signal when input, encoded in the most described digital signal
Digital signal by audio coding decoding unit be decoded process, through decoding process and without decoding
A part in the digital signal processed converts digital signals into analogue signal by D/A converter module, and
Being transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right export, another part is sent to wireless transmission
Module.
System the most according to claim 4, it is characterised in that the satellite sound of described extension includes:
Radio frequency/electric lines of force receiver module, for receiving the analog/digital signal after process, be sent to power supply and
Power amplification controller；
Digital to analog converter and driving module, for becoming simulation letter by the analog/digital signal conversion after described process
Number and play out.
7. support that a sound-channel voice box for wireless extensions, described audio amplifier include defending of main sound channel audio amplifier and extension
Star audio amplifier, described main sound channel audio amplifier includes subwoofer, it is characterised in that:
Described subwoofer is provided with analog-to-digital conversion module, for the analogue signal of input is converted into digital signal
Described subwoofer is provided with wireless sending module, and described wireless/power line module is converted into for transmission
The digital signal that digital signal and holding wire send；
The satellite sound of described extension is provided with wireless receiving module, is used for receiving described digital signal；
First digital to analog converter and driving module, for being converted into analogue signal and carrying out by described digital signal
Output.
Sound-channel voice box the most according to claim 7, it is characterised in that described subwoofer also includes:
Audio coding decoding processor, for being decoded encoded digital signal；
Second digital to analog converter and driving module, concurrent for a part of digital signal is converted into analogue signal
Deliver to main sound channel audio amplifier export.
Sound-channel voice box the most according to claim 7, it is characterised in that described audio amplifier also include around
Described subwoofer surrounding and be connected by tone frequency channel wire with subwoofer respectively center-channel speaker, left front put audio amplifier and
Right preposition audio amplifier connects.
Sound-channel voice box the most according to claim 7, it is characterised in that the satellite sound of described extension
Surround speaker, right rearmounted cincture is put including at least one left surround speaker, right surround audio amplifier and/or at least one are left back
Audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052427.0A CN105992105A (en) | 2015-01-30 | 2015-01-30 | Method and system for supporting wireless expansion multichannel sound box and multichannel sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052427.0A CN105992105A (en) | 2015-01-30 | 2015-01-30 | Method and system for supporting wireless expansion multichannel sound box and multichannel sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105992105A true CN105992105A (en) | 2016-10-05 |
Family
ID=57036872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510052427.0A Pending CN105992105A (en) | 2015-01-30 | 2015-01-30 | Method and system for supporting wireless expansion multichannel sound box and multichannel sound box |
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| CN (1) | CN105992105A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989955A (en) * | 2018-09-20 | 2018-12-11 | 钱军成 | Module type stereo sound case |
| CN111867145A (en) * | 2020-07-07 | 2020-10-30 | 深圳康佳电子科技有限公司 | 5G sound box, distributed sound system based on 5G sound box and wireless communication method |
-
2015
- 2015-01-30 CN CN201510052427.0A patent/CN105992105A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989955A (en) * | 2018-09-20 | 2018-12-11 | 钱军成 | Module type stereo sound case |
| CN111867145A (en) * | 2020-07-07 | 2020-10-30 | 深圳康佳电子科技有限公司 | 5G sound box, distributed sound system based on 5G sound box and wireless communication method |
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Application publication date: 20161005 |