CN204408617U - A kind of sound-channel voice box supporting wireless extensions - Google Patents
A kind of sound-channel voice box supporting wireless extensions Download PDFInfo
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- CN204408617U CN204408617U CN201520071419.6U CN201520071419U CN204408617U CN 204408617 U CN204408617 U CN 204408617U CN 201520071419 U CN201520071419 U CN 201520071419U CN 204408617 U CN204408617 U CN 204408617U
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Abstract
The utility model discloses a kind of method supporting wireless extensions sound-channel voice box, described method comprises: main sound channel audio amplifier receives the analog/digital signal of input; Main sound channel audio amplifier carries out signal transacting to described analog/digital signal; Analog/digital signal after process is carried out wireless transmission by radio frequency sending module by main sound channel audio amplifier; The satellite sound of expansion receives the analog/digital signal after described process, and converts simulated audio signal to and export.Subwoofer of the present utility model can add wireless module, is used for adding other radio satellite audio amplifier, forms more sound channel.This wired based on, the wireless home theater sound equipment system for expansion, can the user demand of all types of user.The user of usual use 2.1 system does not need wireless, and the user of 5.1,7.1 systems more needs rearmounted surround speaker to be arranged to wireless mode, to avoid the mixed and disorderly and loaded down with trivial details of middle wiring.
Description
Technical field
The utility model belongs to sound box system field, particularly a kind of sound-channel voice box supporting wireless extensions.
Background technology
Along with the development of audio visual technology, in increasing family, employ multiple audio amplifier assembly home theater.The audio amplifier of traditional components home theater has 6 ~ 8 usually, and two preposition audio amplifiers, four surround speakers, a center-channel speaker and woofers, all audio amplifiers are all connected on power amplifier, also have and are integrated in subwoofer by power amplifier.Need between satellite sound and main sound box to be connected by a large amount of tone frequency channel wire, as shown in Figure 1.There is a problem in the home theater of this structure: one to be that mixed and disorderly placement-and-routing limits attractive in appearance.Two is that flexibility is too poor, is not easy to mobile, even if use the mode of pipe laying wiring can seem more succinct, also can be interfered because of near line.
Utility model content
The purpose of this utility model is to provide a kind of method and the soundbox system with multiple tracks of supporting wireless extensions sound-channel voice box, mixed and disorderly for solving traditional audio amplifier layout in the process of multi-channel extension, the problem of very flexible.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
According to the first object of the present utility model, provide a kind of method realizing wireless extensions sound-channel voice box.
Realize a method for wireless extensions sound-channel voice box, described method comprises:
Main sound channel audio amplifier receives the analog/digital signal of input;
Main sound channel audio amplifier carries out signal transacting to described analog/digital signal;
Analog/digital signal after process is carried out wireless transmission by wireless sending module by main sound channel audio amplifier;
The satellite sound of expansion receives the digital signal after described process, and converts simulated audio signal to and export.
As further technical scheme, main sound channel audio amplifier carries out signal transacting to described analog/digital signal and comprises:
If input is analog signal, then described analog signal is by after carrying out power amplification after power supply and power amplification controller, the part of described analog signal is directly transferred to subwoofer in main sound channel audio amplifier after drive amplification, the preposition audio amplifier of center-channel speaker and left and right exports after carrying out drive amplification, and another part of described analog signal converts digital signal to by analog-to-digital conversion module;
If input is digital signal, the digital signal through coding then in described digital signal carries out decoding process by audio coding decoding unit, a part in digital signal that is that process through decoding and that process without decoding converts digital signal to analog signal by D/A converter module, and be transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and export, another part is transferred to wireless sending module.
As further technical scheme, the satellite sound of described expansion receives the analog/digital signal after described process, and converts simulated audio signal to and carry out output and comprise:
Radio frequency/power line receiver module receives the analog/digital signal after process, is sent to power supply and power amplification controller;
Analog/digital signal conversion after described process becomes analog signal to go forward side by side line output by digital to analog converter and driver module.
According to the second object of the present utility model, provide a kind of system realizing wireless extensions sound-channel voice box.
Realize a system for wireless extensions sound-channel voice box, described system comprises the satellite sound of main sound channel audio amplifier and expansion;
Described main sound channel audio amplifier comprises:
Signal receiving module, for receiving the analog/digital signal of input;
Signal processing module, for carrying out signal transacting to described analog/digital signal;
Wireless sending module, for sending the analog/digital signal after process;
The satellite sound of described expansion receives the analog/digital signal after described process for receiver module, and converts simulated audio signal to export.
As further technical scheme, described signal processing module comprises:
First processing unit, for when input be analog signal, then described analog signal is by after carrying out power amplification after power supply and power amplification controller, a part for described analog signal is directly transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and exports, and another part of described analog signal converts digital signal to by analog-to-digital conversion module;
Second processing unit, for when input be digital signal, the digital signal through coding then in described digital signal carries out decoding process by audio coding decoding unit, a part in digital signal that is that process through decoding and that process without decoding converts digital signal to analog signal by D/A converter module, and be transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and export, another part is sent to wireless sending module.
As further technical scheme, the satellite sound of described expansion comprises:
Radio frequency/power line receiver module, for receiving the analog/digital signal after process, is sent to power supply and power amplification controller;
Digital to analog converter and driver module, for becoming analog signal by the analog/digital signal conversion after described process and playing.
According to the third aspect of the present utility model, provide a kind of sound-channel voice box supporting wireless extensions.
Support a sound-channel voice box for wireless extensions, described audio amplifier comprises the satellite sound of main sound channel audio amplifier and expansion, and described main sound channel audio amplifier comprises subwoofer, and described subwoofer is provided with analog-to-digital conversion module, for converting the analog signal of input to digital signal;
Described subwoofer is provided with wireless sending module, described wireless/digital signal that sends for sending the digital signal that converts to and holding wire of power line module;
The satellite sound of described expansion is provided with wireless receiving module, for receiving described digital signal;
Digital to analog converter and driver module, to go forward side by side line output for described digital signal being converted to analog signal.
As further technical scheme, described subwoofer also comprises:
Audio coding decoding processor, for decoding encoded digital signal;
Digital to analog converter and driver module, export for converting a part of digital signal to analog signal and being sent to main sound channel audio amplifier.
As further technical scheme, described audio amplifier is also comprised and is centered around described subwoofer surrounding and the center-channel speaker be connected by tone frequency channel wire with subwoofer respectively, left frontly puts audio amplifier and right front audio amplifier of putting connects.
As further technical scheme, the satellite sound of described expansion comprises at least one left surround speaker, right surround speaker and/or at least onely left backly puts surround speaker, right backly puts surround speaker.
beneficial effect:
Subwoofer of the present utility model can add wireless module, is used for adding other radio satellite audio amplifier, forms more sound channel.This wired based on, the wireless home theater sound equipment system for expansion, can the user demand of all types of user.The user of usual use 2.1 system does not need wireless, and the user of 5.1,7.1 systems more needs rearmounted surround speaker to be arranged to wireless mode, to avoid the mixed and disorderly and loaded down with trivial details of middle wiring.
Accompanying drawing explanation
Fig. 1 is a kind of schematic flow sheet realizing the method for wireless extensions sound-channel voice box of the present utility model.
Fig. 2 is a kind of system block diagram realizing the system of wireless extensions sound-channel voice box of the present utility model.
Fig. 3 is a kind of structured flowchart supporting the sound-channel voice box of wireless extensions of the present utility model.
Fig. 4 is a kind of structural representation supporting the sound-channel voice box of wireless extensions of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated; Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In order to the technical solution of the utility model is described, illustrate below by specific embodiment.
embodiment 1
As shown in Figure 1, a kind of method realizing wireless extensions sound-channel voice box, described method comprises:
S101: main sound channel audio amplifier receives the analog/digital signal of input;
S102: main sound channel audio amplifier carries out signal transacting to described analog/digital signal;
S103: the analog/digital signal after process is carried out wireless transmission by wireless sending module by main sound channel audio amplifier;
S104: the satellite sound of expansion receives the digital signal after described process, and convert simulated audio signal to and export.
Certainly, it should be noted that, wireless sending module of the present utility model also can be a power line sending module, and power line module by wired transmission data, and it is pointed out that the data of transmission are city's wire transfer by being seen everywhere in family.
Please refer to Fig. 4, in embodiment 1 of the present utility model, this sound-channel voice box can be dual track audio amplifier, 5.1 audio amplifiers or 7.1 audio amplifiers, wherein, 0.1 refers to subwoofer 2, and the quantity that 5 and 7 refer to audio amplifier, also i.e. number of channels, satellite sound refers to the audio amplifier being looped around subwoofer, include but not limited to center-channel speaker 10, left frontly put audio amplifier 30, right frontly put audio amplifier 20, left surround speaker 50, right surround speaker 40, left backly put surround speaker 70, right backly put surround speaker 60.The satellite sound of described expansion refers to other audio amplifiers except main sound channel audio amplifier.
In embodiment 1 of the present utility model, main sound channel audio amplifier carries out signal transacting to described analog/digital signal and comprises:
If input is analog signal, then described analog signal is by after carrying out power amplification after power supply and power amplification controller, the part of described analog signal is directly transferred to subwoofer in main sound channel audio amplifier, the preposition audio amplifier of center-channel speaker and left and right exports, and another part of described analog signal converts digital signal to by analog-to-digital conversion module;
If input is digital signal, the digital signal through coding then in described digital signal carries out decoding process by audio coding decoding unit, a part in digital signal that is that process through decoding and that process without decoding converts digital signal to analog signal by D/A converter module, and be transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and export, another part is sent to wireless sending module.
It should be noted that, if input signal is by SPDIF interface, the DTS digital audio encoding passing through coding, then need to use decoding chip, the DTS coding organizing signal mixing is carried out decoding and being separated organizing sound channel more more.Then need the sound channel employing digital signal independently expanded, and sent by radio frequency chip, satellite sound then receives the audio frequency of corresponding sound channel by radio frequency chip.
In addition, owing to not using the electric power system of main frame, satellite sound often needs independently power supply/battery power supply system.Therefore, power line is absolutely necessary.The development of power line carrier PLC technology, uses power line transmission data to become and can realize.Therefore, if main frame provides PLC module instead of radio-frequency module, satellite sound also can select corresponding receive mode to carry out Received signal strength.
In embodiment 1 of the present utility model, the satellite sound of described expansion receives the analog/digital signal after described process, and converts simulated audio signal to and carry out output and comprise:
Radio frequency/power line receiver module receives the analog/digital signal after process, is sent to power supply and power amplification controller;
Analog/digital signal conversion after described process becomes analog signal to go forward side by side line output by digital to analog converter and driver module.
Subwoofer of the present utility model can add wireless module, is used for adding other radio satellite audio amplifier, forms more sound channel.This wired based on, the wireless home theater sound equipment system for expansion, can the user demand of all types of user.The user of usual use 2.1 system does not need wireless, and the user of 5.1,7.1 systems more needs rearmounted surround speaker to be arranged to wireless mode, to avoid the mixed and disorderly and loaded down with trivial details of middle wiring.
embodiment 2
As shown in Figure 2, a kind of system realizing wireless extensions sound-channel voice box, described system comprises the satellite sound 4 of main sound channel audio amplifier 1 and expansion;
Described main sound channel audio amplifier 1 comprises:
Signal receiving module 100, for receiving the analog/digital signal of input;
Signal processing module 200, for carrying out signal transacting to described analog/digital signal;
Wireless sending module 300, for sending the analog/digital signal after process;
The satellite sound 4 of described expansion receives the analog/digital signal after described process for receiver module, and converts simulated audio signal to export.
In embodiment 2 of the present utility model, described signal processing module 200 comprises:
First processing unit, for when input be analog signal, then described analog signal is by after carrying out power amplification after power supply and power amplification controller, a part for described analog signal is directly transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and exports, and another part of described analog signal converts digital signal to by analog-to-digital conversion module;
Second processing unit, for when input be digital signal, the digital signal through coding then in described digital signal carries out decoding process by audio coding decoding unit, a part in digital signal that is that process through decoding and that process without decoding converts digital signal to analog signal by D/A converter module, and be transferred to the preposition audio amplifier in subwoofer, center-channel speaker and left and right and export, another part is sent to wireless sending module.
In embodiment 2 of the present utility model, the satellite sound 4 of described expansion comprises:
Radio frequency/power line receiver module 400, for receiving the analog/digital signal after process, is sent to power supply and power amplification controller;
Digital to analog converter and driver module 500, for becoming analog signal by the analog/digital signal conversion after described process and playing.
Subwoofer of the present utility model can add wireless module, is used for adding other radio satellite audio amplifier, forms more sound channel.This wired based on, the wireless home theater sound equipment system for expansion, can the user demand of all types of user.The user of usual use 2.1 system does not need wireless, and the user of 5.1,7.1 systems more needs rearmounted surround speaker to be arranged to wireless mode, to avoid the mixed and disorderly and loaded down with trivial details of middle wiring.
embodiment 3
As shown in Figure 3, a kind of sound-channel voice box supporting wireless extensions, described audio amplifier comprises the satellite sound 4 of main sound channel audio amplifier 1 and expansion, and described main sound channel audio amplifier 1 comprises subwoofer 2,
Described subwoofer 2 is provided with analog-to-digital conversion module 3, for converting the analog signal of input to digital signal;
Described subwoofer 2 is provided with wireless sending module 5, described wireless/digital signal that sends for sending the digital signal that converts to and holding wire of power line module;
The satellite sound 4 of described expansion is provided with wireless receiving module 5, for receiving described digital signal;
First digital to analog converter and driver module 6, to go forward side by side line output for described digital signal being converted to analog signal.
Certainly, understandable, the analog-to-digital conversion module 3 of this programme, wireless receiving module 5 are except being arranged on except in subwoofer 2, and can also be arranged on other the parts in main sound channel audio amplifier 1, such as center-channel speaker, audio amplifier is put on a such as left side and the right side is put in audio amplifier.
Continue referring to Fig. 3, described subwoofer 2 also comprises:
Audio coding decoding processor 7, for decoding encoded digital signal;
Second digital to analog converter and driver module 8, export for converting a part of digital signal to analog signal and being sent to main sound channel audio amplifier.
In embodiment 3 of the present utility model, described audio amplifier is also comprised and is centered around described subwoofer surrounding and the center-channel speaker be connected by tone frequency channel wire with subwoofer respectively, left frontly puts audio amplifier and right front audio amplifier of putting connects.
In embodiment 3 of the present utility model, the satellite sound 4 of described expansion comprises at least one left surround speaker, right surround speaker and/or at least onely left backly puts surround speaker, right backly puts surround speaker.
In embodiment 3 of the present utility model, if audio amplifier uses analog signal input multi-channel system, then wireless extensions sound channel has to pass through analog to digital converter and converts digital signal to, and then radio frequency is gone out; Satellite sound needs received RF digital signal to restore into analogue audio frequency.In addition, if input signal is by SPDIF interface, the DTS digital audio encoding passing through coding, then need to use decoding chip, the DTS coding organizing signal mixing is carried out decoding and being separated organizing sound channel more more.Then need the sound channel employing digital signal independently expanded, and sent by radio frequency chip.Satellite sound then receives the audio frequency of corresponding sound channel by radio frequency chip.
In embodiment 3 of the present utility model, owing to not using the electric power system of main frame, satellite sound often needs independently power supply/battery power supply system.Therefore, power line is absolutely necessary.The development of power line carrier PLC technology, uses power line transmission data to become and can realize.Therefore, if main frame provides PLC module instead of radio-frequency module, satellite sound also can select corresponding receive mode to carry out Received signal strength.
Subwoofer of the present utility model can add wireless module, is used for adding other radio satellite audio amplifier, forms more sound channel.This wired based on, the wireless home theater sound equipment system for expansion, can the user demand of all types of user.The user of usual use 2.1 system does not need wireless, and the user of 5.1,7.1 systems more needs rearmounted surround speaker to be arranged to wireless mode, to avoid the mixed and disorderly and loaded down with trivial details of middle wiring.
It should be noted that in above-described embodiment, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection range of the present utility model.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. support a sound-channel voice box for wireless extensions, described audio amplifier comprises the satellite sound of main sound channel audio amplifier and expansion, and described main sound channel audio amplifier comprises subwoofer, it is characterized in that:
Described subwoofer is provided with analog-to-digital conversion module, for converting the analog signal of input to digital signal
Described subwoofer is provided with wireless sending module, and described wireless sending module is connected the digital signal sent for sending the digital signal that converts to and holding wire with described D/A converter module;
The satellite sound of described expansion is provided with wireless/power line receiver module, for receiving described digital signal;
First digital to analog converter and driver module, to go forward side by side line output for described digital signal being converted to analog signal.
2. sound-channel voice box according to claim 1, is characterized in that, described subwoofer also comprises:
Audio coding decoding processor, for decoding encoded digital signal;
Second digital to analog converter and driver module, export for converting a part of digital signal to analog signal and being sent to main sound channel audio amplifier.
3. sound-channel voice box according to claim 1, is characterized in that, described audio amplifier is also comprised and is centered around described subwoofer surrounding and the center-channel speaker be connected by tone frequency channel wire with subwoofer respectively, left frontly puts audio amplifier and right front audio amplifier of putting connects.
4. sound-channel voice box according to claim 1, is characterized in that, the satellite sound of described expansion comprises at least one left surround speaker, right surround speaker and/or at least onely left backly puts surround speaker, right backly puts surround speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071419.6U CN204408617U (en) | 2015-01-30 | 2015-01-30 | A kind of sound-channel voice box supporting wireless extensions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071419.6U CN204408617U (en) | 2015-01-30 | 2015-01-30 | A kind of sound-channel voice box supporting wireless extensions |
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| CN204408617U true CN204408617U (en) | 2015-06-17 |
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| CN201520071419.6U Expired - Fee Related CN204408617U (en) | 2015-01-30 | 2015-01-30 | A kind of sound-channel voice box supporting wireless extensions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484044A (en) * | 2016-06-08 | 2017-12-15 | 视讯联合科技股份有限公司 | Multifunction module formula audio amplifier |
-
2015
- 2015-01-30 CN CN201520071419.6U patent/CN204408617U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484044A (en) * | 2016-06-08 | 2017-12-15 | 视讯联合科技股份有限公司 | Multifunction module formula audio amplifier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160130 |
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| EXPY | Termination of patent right or utility model |