CN203167162U - Wireless video system - Google Patents
Wireless video system Download PDFInfo
- Publication number
- CN203167162U CN203167162U CN 201320088020 CN201320088020U CN203167162U CN 203167162 U CN203167162 U CN 203167162U CN 201320088020 CN201320088020 CN 201320088020 CN 201320088020 U CN201320088020 U CN 201320088020U CN 203167162 U CN203167162 U CN 203167162U
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- wireless
- sound
- television set
- image
- audio
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Abstract
The utility model provides a wireless video system, which solves the problems of the existing television that the existing television cannot provide the 5.1 channel sound field effect or the like. The wireless audio systems comprises a television with a television main chip; a 5.1 digital audio wireless transmission device and a wireless sound box, wherein the 5.1 digital audio wireless transmission device comprises a wireless transmitting circuit and a wireless receiving circuit, the wireless transmitting circuit is electrically connected with the television main chip, and the wireless receiving circuit is mounted in the wireless sound box.
Description
Technical field
The utility model relates to a kind of audio-video system, particularly a kind of wireless image-sound system of audio signal wireless transmission.
Background technology
Picture quality and the high-quality sound field effect of pursuing high definition have been the inevitable direction of TV tech development, are the final purposes that the consumer pursues, and also are the focuses of market competition.Along with increasing HDTV (High-Definition Television) channel is opened, play the video file of high definition and plays high definition recreation etc., these high cleaning functions all have the audio frequency output of 5.1 sound channels, and have only and just really play out 5.1 sound channels and just can obtain best sound field effect.Television field frame also will enter a brand-new field, and TV user of new generation has wished that multichannel audio can become the part of their home entertaining, and " monophony " will become " history ".
5.1 surround sound is to increase low-frequency effect low-frequency effect inessential, that bandwidth is restricted (LFE) sound channel (i.e. " .1SW sound channel ") formation by the main sound channel (L/C/R/Ls/Rs) of five separation and one.The multi-sound channel digital audio technology has become the audio standard of consumer digital format gradually with its high-quality sound effect, upgradability, lower transmission code rate.
And traditional television set often only provides the left and right sides stereosonic function, can only be mixed into 2 sound channels to 5.1 sound channels.Do like this and can reduce sound field effect, handle around the audio of a class even carried out some, also can't with the real identical sound field effect of 5.1 sound channels.
The utility model content
The utility model proposes the wireless image-sound system, solved the problems such as sound field effect that existing television set can't provide 5.1 sound channels.
The technical solution of the utility model is achieved in that
The wireless image-sound system comprises television set, and described television set comprises the television set master chip; Also comprise 5.1 digital audio radio transmitting device and wireless sound boxes, described 5.1 digital audio radio transmitting devices comprise radio transmitter and wireless receiving circuit; Described radio transmitter is electrically connected with described television set master chip, and described wireless receiving circuit is installed in the described wireless sound box.
Further, described radio transmitter comprises wireless launcher and antenna, and described antenna is connected to described television set master chip by described wireless launcher.
Further, described wireless receiving circuit comprises wireless receiver, 5.1 audio decoders that are electrically connected with described wireless receiver also are housed in the described wireless sound box, and described 5.1 audio decoders are connected on the loudspeaker of described wireless sound box by a source power amplifier.
Further again, described wireless sound box also comprises control circuit and display module, and described 5.1 audio decoders are electrically connected on described display module by described control circuit.
Further, described wireless sound box comprises main sound channel audio amplifier and low-frequency effect sound channel audio amplifier.
Further, described wireless launcher is the 2.4G wireless launcher.
Further, described wireless receiver is the 2.4G wireless receiver.
Further again, described main sound channel audio amplifier comprises separate L channel audio amplifier, R channel audio amplifier, left surrounding sound speaker, right surrounding sound speaker and Super Bass Loudspeaker Enclosure.
By above description as can be known, the utility model the utlity model has following advantage compared with prior art:
1, by 5.1 digital audio radio transmitting device transmission of audio source code signals, 5.1 audio decoding circuits directly to simulation 5.1 audio signals of audio-source coded signal decoding output high-fidelity, make tonequality be guaranteed.
2, the utility model adopts Wireless transmission mode, can reduce the laying of circuit, conserve space and cost; 2.4G wireless transmission has, and stability is high, antijamming capability is strong, wireless transmission distance can reach 50 meters, transmit advantages such as the damage packet loss is low.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the theory diagram of television set of the present utility model.
Fig. 3 is wireless sound box theory diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1-Fig. 3, the wireless image-sound system comprises television set 1; 5.1 digital audio radio transmitting device 2; Wireless sound box 3; Described television set 1 comprises television set master chip 11; Described 5.1 digital audio radio transmitting devices 2 comprise radio transmitter 21 and wireless receiving circuit 22; Described radio transmitter 21 is electrically connected with described television set master chip 11, and described wireless receiving circuit 22 is installed in the described wireless sound box 3.
With reference to Fig. 1-Fig. 3, described radio transmitter 21 comprises wireless launcher 211 and antenna 212, and described antenna 212 is connected to described television set master chip 11 by described wireless launcher 211.Described wireless receiving circuit 22 comprises wireless receiver (not shown), 5.1 audio decoders 31 that are electrically connected with described wireless receiver 221 also are housed in the described wireless sound box 3, and described 5.1 audio decoders 31 are connected on the loudspeaker 33 of described wireless sound box 3 by an active power amplifier 32; Wireless sound box 3 also comprises control circuit 34 and display module 35, and described 5.1 audio decoders 31 are electrically connected on described display module 35 by described control circuit 34.Described 5.1 audio decoders, 31 circuit adopt the SPA501 decoder, and built-in 5.1 Doby AC-3/DTS decoding need not to decode, i.e. exportable high fidelity simulation 5.1 audio signals again; Described wireless sound box 3 comprises main sound channel audio amplifier (not shown) and low-frequency effect sound channel audio amplifier (not shown).Described main sound channel audio amplifier comprises separate L channel audio amplifier, R channel audio amplifier, left surrounding sound speaker, right surrounding sound speaker and Super Bass Loudspeaker Enclosure.
Preferential, the utility model adopts the 2.4G wireless network transmissions, and therefore described wireless launcher 211 is the 2.4G wireless launcher; Described wireless receiver 221 is the 2.4G wireless receiver.2.4G wireless receiver adopts AFH (AFH) and QOS technology, effectively solves problem of co-channel interference.
Work of the present utility model is as follows originally:
Television set master chip in the television set is exported 5.1 digital audio and video signals, send through radio transmitter, after wireless receiver in the wireless sound box receives 5.1 digital audio and video signals signal is transferred to 5.1 audio decoders, through waiting until simulation 5.1 audio signals after the decoding, then through being issued to sound horn behind the active power amplifier.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. the wireless image-sound system comprises television set, and described television set comprises the television set master chip; It is characterized in that:
Also comprise 5.1 digital audio radio transmitting device and wireless sound boxes, described 5.1 digital audio radio transmitting devices comprise radio transmitter and wireless receiving circuit;
Described radio transmitter is electrically connected with described television set master chip, and described wireless receiving circuit is installed in the described wireless sound box.
2. wireless image-sound as claimed in claim 1 system, it is characterized in that: described radio transmitter comprises wireless launcher and antenna, described antenna is connected to described television set master chip by described wireless launcher.
3. wireless image-sound as claimed in claim 1 system, it is characterized in that: described wireless receiving circuit comprises wireless receiver, 5.1 audio decoders that are electrically connected with described wireless receiver also are housed in the described wireless sound box, and described 5.1 audio decoders are connected on the loudspeaker of described wireless sound box by a source power amplifier.
4. wireless image-sound as claimed in claim 3 system, it is characterized in that: described wireless sound box also comprises control circuit and display module, described 5.1 audio decoders are electrically connected on described display module by described control circuit.
5. wireless image-sound as claimed in claim 1 system, it is characterized in that: described wireless sound box comprises main sound channel audio amplifier and low-frequency effect sound channel audio amplifier.
6. wireless image-sound as claimed in claim 2 system, it is characterized in that: described wireless launcher is the 2.4G wireless launcher.
7. wireless image-sound as claimed in claim 3 system,, it is characterized in that: described wireless receiver is the 2.4G wireless receiver.
8. wireless image-sound as claimed in claim 5 system, it is characterized in that: described main sound channel audio amplifier comprises separate L channel audio amplifier, R channel audio amplifier, left surrounding sound speaker, right surrounding sound speaker and Super Bass Loudspeaker Enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088020 CN203167162U (en) | 2013-02-26 | 2013-02-26 | Wireless video system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088020 CN203167162U (en) | 2013-02-26 | 2013-02-26 | Wireless video system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167162U true CN203167162U (en) | 2013-08-28 |
Family
ID=49028313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088020 Expired - Fee Related CN203167162U (en) | 2013-02-26 | 2013-02-26 | Wireless video system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203167162U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792333A (en) * | 2016-12-21 | 2017-05-31 | 深圳Tcl数字技术有限公司 | The sound system of television set |
| WO2017206184A1 (en) * | 2016-06-03 | 2017-12-07 | 青勇 | Home sound system based on wireless communication |
| CN107948858A (en) * | 2017-12-23 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of wireless sound system of multitrack surround sound |
-
2013
- 2013-02-26 CN CN 201320088020 patent/CN203167162U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206184A1 (en) * | 2016-06-03 | 2017-12-07 | 青勇 | Home sound system based on wireless communication |
| CN106792333A (en) * | 2016-12-21 | 2017-05-31 | 深圳Tcl数字技术有限公司 | The sound system of television set |
| CN106792333B (en) * | 2016-12-21 | 2019-05-31 | 深圳Tcl数字技术有限公司 | The sound system of television set |
| CN107948858A (en) * | 2017-12-23 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of wireless sound system of multitrack surround sound |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140226 |