CN203181128U - WiFi (Wireless Fidelity) wireless audio-video sharing device - Google Patents
WiFi (Wireless Fidelity) wireless audio-video sharing device Download PDFInfo
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- CN203181128U CN203181128U CN 201320083404 CN201320083404U CN203181128U CN 203181128 U CN203181128 U CN 203181128U CN 201320083404 CN201320083404 CN 201320083404 CN 201320083404 U CN201320083404 U CN 201320083404U CN 203181128 U CN203181128 U CN 203181128U
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Abstract
The utility model relates to the technical field of wireless audio-video sharing devices, and specifically relates to a WiFi (Wireless Fidelity) wireless audio-video sharing device. The WiFi wireless audio-video sharing device comprises a WiFi module having functions of data transmission and data reception, a system-on-chip chip for decoding high-definition audio and video media files, and audio and video output interfaces for outputting video signals and audio signals. The WiFi module is connected with a data transmission and reception terminal of the system-on-chip chip, the system-on-chip chip is connected with a 256MB DDR3 buffer unit and a 256MB NAND Flash flash memory unit, and the audio and video output interfaces are connected with audio and video signal output terminals of the system-on-chip chip. The WiFi wireless audio-video sharing device provided by the utility model has the advantages of convenient use, capacity of decoding audios and videos, good synchronization performance in video transmission, and rich functions.
Description
Technical field
The utility model relates to wireless image-sound sharing apparatus technical field, relates in particular to a kind of WiFi(Wireless Fidelity, a kind of wireless communication technology) wireless image-sound shares equipment.
Background technology
Traditional wireless image-sound is shared equipment, it all is to adopt two equipment based on the wireless transmission video/audio file, one is for being called wireless launcher in succession on the end equipment of source, another is be used to the receiving system that is called that is connected on the terminal large-screen display, and emitter and receiving system need pairing one to one to use, video and audio file are to decode with the equipment of source end when handling, therefore, this wireless image-sound is shared equipment has certain requirement to the decoding capability of source end equipment, and uses trouble; In addition, traditional wireless image-sound is shared equipment, and is poor on the net synchronization capability of transmission of video, and delay time mainly is because adopt two devices to need spended time in communications up to 500ms, causes synchronous experience effect poor; Moreover traditional wireless image-sound is shared equipment, has only screen to share function, just passes the screen function, function singleness.
The utility model content
The purpose of this utility model be to provide at the deficiencies in the prior art a kind of easy to use, self have video and audio decoder function, transmission of video net synchronization capability WiFi wireless image-sound good, feature richness is shared equipment.
To achieve these goals, the utility model provides a kind of WiFi wireless image-sound to share equipment, comprise and have the WiFi module that sends data function and receive data function, the on-chip system chip that is used for decoding high resolution audio and video media file is for video and the audio output interface of outputting video signal and audio signal; Described WiFi module is connected with the transmitting-receiving data terminal of described on-chip system chip, described on-chip system chip is connected with the buffer unit of 256MBDDR3 and the flash cell of 256MB NAND Flash, and described video and audio output interface are connected with vision signal and the audio signal output end of on-chip system chip.
Preferably, described video and audio output interface comprise HDMI interface, AV interface.
Preferably, described WiFi module is USB WiFi module.
Preferably, the emission type of receipt of described USB WiFi module is 1T1R or 2T2R.
The utility model beneficial effect is:
The WiFi module that the utility model WiFi wireless image-sound is shared equipment has the data function of transmission and receives data function, so need not to be divided into two devices, has so just reduced the quantity of device, and is convenient in use; Further, the on-chip system chip that the utility model WiFi wireless image-sound is shared equipment is the on-chip system chip of an integrated HD video HDH.264 and high definition audio HDAVC/VC-1 decoding, it can realize the high resolution audio and video media file of multiple form is decoded, make the utility model WiFi wireless image-sound share equipment self and namely have video and audio decoder function, therefore, video and audio decoder ability to source end equipment do not require, and only need source end equipment to support WiFi to connect and get final product; Further, the utility model WiFi wireless image-sound is shared the on-chip system chip of equipment, its speed of service is up to 500MHz, and the buffer unit of collocation 256MB DDR3 and the flash cell of 256MB NAND Flash, so the net synchronization capability at transmission of video has had great improvement, make that delay time is less than the 200ms(millisecond), namely the transmission of video net synchronization capability is good; Further, the utility model WiFi wireless image-sound is shared equipment can realize that not only screen shares function, and can realize that local video is play, Online Video is play, support the WirelessHD technology based on Wi-Fi802.11n communication protocol that intel WiDi(Intel releases by the WiFi module) 3.5, support that Miracast(is based on the application of Wi-FiDirect) etc. function.Therefore, the utility model WiFi wireless image-sound share equipment have easy to use, self have characteristics such as video and audio decoder function, transmission of video net synchronization capability are good, feature richness.
Description of drawings
Fig. 1 is frame principle figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Please refer to Fig. 1, WiFi wireless image-sound of the present utility model is shared equipment, comprise and have the WiFi module 1 that sends data function and receive data function, SOC (system on a chip) (the English that is used for decoding high resolution audio and video media file, SoC:System on a Chip) chip 2 is for video and the audio output interface of outputting video signal and audio signal; WiFi module 1 is connected with the transmitting-receiving data terminal of on-chip system chip 2, the buffer unit 3(that on-chip system chip 2 is connected with 256MB DDR3 is 256M DDR3 high-speed cache chip) and the flash cell 4(of 256MB NAND Flash be 256M NAND Flash flash chip), video and audio output interface are connected with vision signal and the audio signal output end of on-chip system chip 2.When work, WiFi wireless image-sound of the present utility model is shared equipment can carry out wireless connections by WiFi module 1 and source end equipment (as: equipment such as mobile phone, panel computer, PC), the high resolution audio and video media file that WiFi module 1 receives is through after the decoding of on-chip system chip 2, can export terminal display to by video and audio output interface, the realization wireless image-sound is shared.
Specifically, video and audio output interface comprise HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)) interface 5, AV(Audio﹠amp; Video Yin Pin ﹠amp; Video) interface 6, and HDMI interface 5 is used for output high-definition video signal and audio signal, and AV interface 6 is used for output AV signal.Certainly, aborning, according to the practical application needs; described video and audio output interface also can be the interface of other type; and be not limited only to above-mentioned interface, as long as it has vision signal and audio signal output function, namely should belong to protection range of the present utility model.
Wherein, WiFi module 1 is USB WiFi module, more particularly, the emission type of receipt of described USB WiFi module is that 1T1R or 2T2R(are the specification of products such as wireless network card) module, this USB WiFi module is built-in meets the low-power consumption WiFi module of ieee standard 802.11b/g/n150M speed.
WiFi wireless image-sound of the present utility model is shared the operation principle of equipment:
After the energising of this equipment, on-chip system chip 2 is started working earlier, on-chip system chip 2 reads the program that writes in the flash cell 4 and carries out, WiFi module 1 is opened the outside AP((Wireless of real time scan) Access Point, i.e. (wireless) access points), and broadcast own SSID(Service Set Identifier, service set) and the IP address, wait for the connection of source end equipment.
This equipment has by hardware button and carries out the mode of operation handoff functionality, the acquiescence operating state is DLNA(Digital Living Network Alliance) pattern, this moment this equipment WiFi Direct technical opening, source end equipment need not to carry out complex setting, can directly open WiFi and carry out P2P and connect this equipment.
Because having added the UPNP agreement in the system of this equipment, after source end equipment connects this equipment, source end equipment is equivalent to a hand-held remote controller, by the WiFi connection this equipment couple in router and exterior I nternet can be set, this moment, source end equipment can connect this equipment by P2P or TDLS (Tunneled Direct Link Setup) dual mode.
Source end equipment both can be play local multimedia file after connecting this equipment by P2P or TDLS, also can watch Online Video by the DLNA agreement.When source end equipment sends multimedia file or URL Address requests to this equipment, after carrying out the ID affirmation, carry out IEEE802.11b/g/n protocol transmission data, when data traffic is big, on-chip system chip 2 deposits a part of data in buffer unit 3, since on-chip system chip 2 is inner integrated HD video HD H.264 with high definition audio HD AVC/VC-1 decoder, therefore, after 2 pairs of data of on-chip system chip are decoded and are handled, can change into the HDMI digital signal and export to HDMI interface 5, export terminal display (as: projector of large-screen) to by HDMI interface 5, the realization wireless image-sound is shared; In addition and since on-chip system chip 2 inside also integrated the DAC(digital-to-analogue conversion) unit, so on-chip system chip 2 can convert the HDMI signal to the AV signal simultaneously, and by AV interface 6 output.
This equipment has been enabled the WPA2 safety protecting mechanism, makes that multimedia transmission is safer, thereby the protection privacy of user reaches trustworthy fail safe.
By the hardware effort mode switch button, can switch to Intel WiDi3.5 pattern.Use the mobile device of supporting Intel WiDi this moment, the Intel WiDi Widget software that Intel provides is installed, can connect this equipment, and the realization large-screen is shared with the screen synch of source end equipment.
By the hardware effort mode switch button, can switch to PIN pattern or the PBC pattern of Miracast.Before the switching, PLSCONFM is consistent with the mode of operation of source end equipment.The PBC pattern of this equipment has used the logic decision mode of software to realize, need not touching by mode of hardware button.After connecting by Miracast is normal, can realize sharing synchronously of large-screen and source end device screen, simultaneously, also realize the energy saver mode on the Wi-FiAlliance certification scheme, have standby and arousal function, and need not to connect again setting.
In sum, WiFi wireless image-sound of the present utility model is shared equipment, replace conventional mobile phone, panel computer, PC(PC with the wireless mode of WiFi) the TV--OUT(video output adopted), cable video coffrets such as HDMI, VGA, make conveniently neatly for the user realizes carrying out between mobile phone, panel computer, PC and the large-screen display equipment wireless, real-time audio and video data transmission in large-screen terminals such as TVs, realize that wireless image-sound shares.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection range; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is made amendment or is equal to replacement, all belong to protection range of the present utility model.
Claims (4)
1. a WiFi wireless image-sound is shared equipment, it is characterized in that: comprise having the WiFi module that sends data function and receive data function, the on-chip system chip that is used for decoding high resolution audio and video media file is for video and the audio output interface of outputting video signal and audio signal;
Described WiFi module is connected with the transmitting-receiving data terminal of described on-chip system chip, described on-chip system chip is connected with the buffer unit of 256MB DDR3 and the flash cell of 256MB NAND Flash, and described video and audio output interface are connected with vision signal and the audio signal output end of on-chip system chip.
2. WiFi wireless image-sound according to claim 1 is shared equipment, it is characterized in that: described video and audio output interface comprise HDMI interface, AV interface.
3. WiFi wireless image-sound according to claim 1 and 2 is shared equipment, it is characterized in that: described WiFi module is USB WiFi module.
4. WiFi wireless image-sound according to claim 3 is shared equipment, it is characterized in that: the emission type of receipt of described USBWiFi module is 1T1R or 2T2R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083404 CN203181128U (en) | 2013-02-22 | 2013-02-22 | WiFi (Wireless Fidelity) wireless audio-video sharing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083404 CN203181128U (en) | 2013-02-22 | 2013-02-22 | WiFi (Wireless Fidelity) wireless audio-video sharing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203181128U true CN203181128U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320083404 Expired - Lifetime CN203181128U (en) | 2013-02-22 | 2013-02-22 | WiFi (Wireless Fidelity) wireless audio-video sharing device |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825634A (en) * | 2014-03-18 | 2014-05-28 | 福州瑞芯微电子有限公司 | Method for reducing Miracast power consumption by Bluetooth, sending equipment and receiving equipment |
| CN104010203A (en) * | 2013-02-22 | 2014-08-27 | 协创立科数码电子(深圳)有限公司 | WiFi wireless audio-video sharing equipment |
| CN105850148A (en) * | 2013-12-26 | 2016-08-10 | 精工爱普生株式会社 | Video transmission and display system |
| CN106162004A (en) * | 2015-04-27 | 2016-11-23 | 浙江大学自贡创新中心 | A kind of nothing using WHDI to realize postpones wireless audio and video receptor and its implementation |
| US10270851B2 (en) | 2017-02-13 | 2019-04-23 | Microsoft Technology Licensing, Llc | Activating a peer-to-peer communication channel |
-
2013
- 2013-02-22 CN CN 201320083404 patent/CN203181128U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010203A (en) * | 2013-02-22 | 2014-08-27 | 协创立科数码电子(深圳)有限公司 | WiFi wireless audio-video sharing equipment |
| CN105850148A (en) * | 2013-12-26 | 2016-08-10 | 精工爱普生株式会社 | Video transmission and display system |
| CN105850148B (en) * | 2013-12-26 | 2019-04-02 | 精工爱普生株式会社 | Video display system and connection method |
| CN103825634A (en) * | 2014-03-18 | 2014-05-28 | 福州瑞芯微电子有限公司 | Method for reducing Miracast power consumption by Bluetooth, sending equipment and receiving equipment |
| CN106162004A (en) * | 2015-04-27 | 2016-11-23 | 浙江大学自贡创新中心 | A kind of nothing using WHDI to realize postpones wireless audio and video receptor and its implementation |
| US10270851B2 (en) | 2017-02-13 | 2019-04-23 | Microsoft Technology Licensing, Llc | Activating a peer-to-peer communication channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHARETRONIC DIGITAL ELECTRONIC CO., LTD. Free format text: FORMER NAME: SHARETRONIC LIKE DIGITAL ELECTRONIC (SHENZHEN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen City, Guangdong province 518000 Shennan Road, Futian District Yaohua Building 1 layer 12 to create 1209. Patentee after: SHARETRONIC DATA TECHNOLOGY Co.,Ltd. Address before: Shenzhen City, Guangdong province 518000 Shennan Road, Futian District Yaohua Building 1 layer 12 to create 1209. Patentee before: SHARETRONIC GROUP (SHENZHEN) Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen City, Guangdong province 518000 Shennan Road, Futian District Yaohua Building 1 layer 12 to create 1209. Patentee after: SHARETRONIC DATA TECHNOLOGY CO.,LTD. Address before: Shenzhen City, Guangdong province 518000 Shennan Road, Futian District Yaohua Building 1 layer 12 to create 1209. Patentee before: SHARETRONIC DATA TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |