CN102123139A - Portable multifunctional multimedia terminal system - Google Patents
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- CN102123139A CN102123139A CN2011100041493A CN201110004149A CN102123139A CN 102123139 A CN102123139 A CN 102123139A CN 2011100041493 A CN2011100041493 A CN 2011100041493A CN 201110004149 A CN201110004149 A CN 201110004149A CN 102123139 A CN102123139 A CN 102123139A
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Abstract
The invention discloses a portable multifunctional multimedia terminal system in the technical field of multimedia, which comprises a video data acquisition module, an audio data acquisition module, a user operation input module, an audio/video encoding/decoding and central processing module, an internal data storage module, a video output module, an audio output module, a wireless network transmission module, an Ethernet interface module, a recommended standard (RS) 232 interface module, an external data storage module, an infrared wireless transmission module, a universal serial bus (USB) interface circuit module, a power module and a clock module. The portable multifunctional multimedia terminal system can realize functions of phone calling, video conferencing, multimedia playing, video on demand and web browsing, and can replace a large amount of traditional terminal equipment, thereby reducing burden of a user and realizing multiple functions at the same time.
Description
Technical field
What the present invention relates to is a kind of device of multimedia technology field, specifically is a kind of portable multi-function multimedia terminal system.
Background technology
The multimedia terminal system is that current collection words, TV, medium, computer network etc. are in the information integration system of one.Along with the development of technology, increasing kind appears in this type of electronic product on the market.As the MP3 that can support voice playing, the MP4 that can support video playback, can support the mobile phone of note, phone, function of surfing the Net etc.These equipment major parts all exist shortcomings and deficiencies separately.Or function is too single, can only support the broadcast of audio frequency, MP4 not to have functions such as the note of mobile phone, phone as MP3; Or system to take resource excessive, cause price very expensive, as some high-end mobile phone terminal products; It is too small that also there is screen size in these multimedia terminals in addition, and the video playback poor definition can not be to information source defective such as record a video.
Find through retrieval prior art, at present the multimedia terminal patent is crossed on the minor issue mostly just with television set or display as solution solving screen, as Chinese patent application number: 200920056086.4, denomination of invention: a kind of multimedia terminal machine, with Chinese patent application number: 200820178227.5, the image/video output equipment of display as terminal adopted in a kind of multimedia terminal, this technology; Retrieval obtains Chinese patent application number in addition: 200820178227.5, denomination of invention: a kind of multimedia terminal, this technology adopts by USB interface and connects keyboard as user input device, because the input mode that this Terminal Type adopts is comparatively traditional mostly, it is very inconvenient to cause the user to operate; Chinese patent application number: 200910108980.6, denomination of invention: a kind of intelligent and mobile network multimedia terminal, this technical concerns is in user's obtaining customizing messages, only solve the user at whilst on tour, obtain the problem of tourist attractions information, this technology does not relate to the function of voice call, visual telephone and video conference based on the Internet simultaneously; Chinese patent application number: 200720068676.X, denomination of invention: a kind of high-performance embedded hand-hold multimedia terminals, its design and this patent have similarity: adopt the I.MX processor as core processing, support the broadcast recording function of MP3, MPE64, sound, video are had good support; Utilize the sd card as peripheral storage device.But this technical functionality is single relatively: not support voice meeting, visual telephone and video conference; Its function such as yet do not support to surf the web simultaneously, this invention do not provide wired and wireless access internet function; It supports television set pattern and TFT liquid crystal LCD to show, but not mentioned crutch glasses formula display shows.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of portable multi-function multimedia terminal system is provided, can realize comprising the current collection words, video conference, multimedia, video request program, the function that surfs the web, can substitute traditional a plurality of terminal equipment, alleviate user's burden greatly, can finish multiple function simultaneously.
The present invention is achieved by the following technical solutions, the present invention includes: the video data acquiring module, the audio data collecting module, the user operates input module, audio/video encoding/decoding and central processing module, the internal data store module, the video output module, the audio frequency output module, wireless network transmission module, the Ethernet interface module, the RS232 interface module, the external data storage module, the infrared radio transport module, the usb circuit module, power module and clock module, wherein: the uncoded sound that video data acquiring module and audio data collecting module link to each other and will collect with audio/video encoding/decoding and central processing module, video information transfers to audio/video encoding/decoding and central processing module, the user operates input module and links to each other with the infrared radio transport module and the transmitting user operation command information, the infrared radio transport module links to each other with the usb circuit module and the transmitting user operation command information, the usb circuit module links to each other with audio/video encoding/decoding and central processing module, the internal data store module links to each other with audio/video encoding/decoding and central processing module and transmitting data information and command file information, the video output module links to each other with audio/video encoding/decoding and central processing module with the audio frequency output module and with decoded sound, video information transfers to video output module and audio frequency output module, wireless transport module is realized network service with audio/video encoding/decoding and the continuous realization system of central processing module with being connected of the Internet with the Ethernet interface module, the external data storage module links to each other with audio/video encoding/decoding and central processing module and transmission of video, audio frequency, picture and program file, clock module links to each other with audio/video encoding/decoding and central processing module and exports clock pulse, the RS232 interface module is used for the Debugging message input and output, and power module provides the power supply and the level conversion of described system.
Described video data acquiring module comprises: analog signal camera and be attached thereto the video AD conversion unit that connects, light signal is converted to analog electrical signal, transfers analog signal to digital signal by analog-to-digital conversion module again and give audio/video encoding/decoding and central processing module.
Described audio/video encoding/decoding and central processing module comprise: video and audio coding and central processing unit, wherein: video and audio coding is to being encoded by the audio, video data of video and the collection of audio data collecting module, the audio-video code stream of having encoded is decoded and transferred to video output module and audio frequency output module, and central processing unit is finished the warm processing of many information and is supported the Collaboration of whole system.
Described video output module comprises: video D/A conversion unit and analog electrical signal image-generating unit.
Described wireless network transmission module is connected with the Internet respectively with the Ethernet interface module.
The present invention gathers user's scene, dialog context and shooting by utilizing portable camera and microphone as video and audio frequency input; Utilize glasses type displayer to export as video, earphone is exported as audio frequency, and audio/video information is paid the user; Terminal volume is small and exquisite.The whole terminal system is easy to carry, and meets portable requirement; Secondly the present invention uses and supports that H.264 the hardware compression chip of standard carries out the encoding and decoding of audio frequency and video, realizes the real-time processing of high sharpness video.Based on this technology, the image quality of video conference and communication delay all reach superior performance; Video playback is clear, smooth; The present invention utilizes embedded system as platform in addition, based on the software platform of multiple task operating system as the whole terminal system.All kinds of softwares of independent development on this operating system basis comprise: communication software (having functions such as voice call, video conference), online software, multimedia player, video recording software etc.
Description of drawings
Fig. 1 structural representation of the present invention.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: video data acquiring module 1, audio data collecting module 2, the user operates input module 3, audio/video encoding/decoding and central processing module 4, internal data store module 5, video output module 6, audio frequency output module 7, wireless network transmission module 8, Ethernet interface module 9, RS232 interface module 10, external data storage module 11, infrared radio transport module 12, usb circuit module 13 and power module 14 and clock module 15, wherein: the uncoded sound that video data acquiring module 1 and audio data collecting module 2 link to each other and will collect with audio/video encoding/decoding and central processing module 4, video information transfers to audio/video encoding/decoding and central processing module 4, the user operates input module 3 and links to each other with infrared radio transport module 12 and the transmitting user operation command information, infrared radio transport module 12 links to each other with usb circuit module 13 and the transmitting user operation command information, usb circuit module 13 links to each other with audio/video encoding/decoding and central processing module 4, internal data store module 5 links to each other with audio/video encoding/decoding and central processing module 4 and transmitting data information and command file information, video output module 6 links to each other with audio/video encoding/decoding and central processing module 4 with audio frequency output module 7 and with decoded sound, video information transfers to video output module 6 and audio frequency output module 7, wireless transport module 12 is realized network service with audio/video encoding/decoding and central processing module 4 continuous realization systems with being connected of the Internet with Ethernet interface module 9, external data storage module 11 links to each other with audio/video encoding/decoding and central processing module 4 and transmission of video, audio frequency, picture and program file, clock module 15 links to each other with audio/video encoding/decoding and central processing module 4 and exports clock pulse.RS232 interface module 10 is used for the Debugging message input and output, and is reserved as the interface of RS232 peripheral apparatus.Power module 14 provides the power supply and the level conversion of described system.
Described video data acquiring module 1 comprises: analog signal camera and be attached thereto the video AD conversion unit that connects, and adopt the cmos camera to carry out opto-electronic conversion in the present embodiment, light signal is converted to analog electrical signal; Transfer analog signal to digital signal by analog-to-digital conversion module again and give audio/video encoding/decoding and central processing module 4.
Described user operates input module 3 by the infrared radio transport module 12 that links to each other with usb circuit, realizes the user is delivered to terminal system to operation, the order of terminal system.
Described infrared radio transport module 12 and user operate input module 3 and adopt the cordless key mouse of band USB interface to control the iPazzPort transport module realization of plate and unisengroup company in the present embodiment.
Described audio/video encoding/decoding and central processing module 4 comprise: video and audio coding and central processing unit, wherein: video and audio coding is encoded to the audio, video data of being gathered by video and audio data collecting module 2, the audio-video code stream of having encoded is decoded and transferred to video output module 6 and audio frequency output module 7, and central processing unit is finished the warm processing of many information and is supported the Collaboration of whole system.
Described audio/video encoding/decoding and central processing module 4 adopt the MCIMX27VOP4A chip of freesacle company as audio/video encoding/decoding and central processing module 4 in the present embodiment, the IMX27 chip internal comprises vpu unit and the arm9 that supports H.264 standard hardware encoding and decoding, is used for the central processing unit of processing controls whole multimedia system.
Described video output module 6 comprises: video D/A conversion unit and analog electrical signal image-generating unit, in the present embodiment: the video digital-to-analogue conversion realizes that by the ADV7125 chip analog electrical signal imaging realizes by glasses type displayer.
Described wireless network transmission module 8 is connected with the Internet respectively with Ethernet interface module 9.
Described external data storage module 11 is used for memory capacity, more flexible data maintenance, renewal and the transfer function of realization of augmentation system.
The course of work of the described device of present embodiment is as follows:
VOIP communication realizes voice call, visual telephone and the video conference function based on Session Initiation Protocol.Terminal system can be carried out voice call, visual telephone and video conference with other terminal systems that connect Conference server under the state that connects Conference server.
Voice call is similar to common plain old telephone, and both call sides can be heard the other side's voice messaging mutually.Visual telephone can be seen the scene video of partner on the basis of voice call.Its principle is: utilize the video acquisition module of terminal system to gather local scene video information, through being transmitted through the network to the other side after the coding again.Video conference is the video calling of a plurality of multimedia terminal system fellowship.Be provided with chairman in the meeting, the mode of being initiated by chairman is adopted in meeting, and the pattern of chairman's may command meeting comprises chairman's pattern and general modfel.Under chairman's pattern, chairman is as the main meeting-place of meeting, and other are with the scene video of forcing to obtain chairman per family: under the general modfel, each user can be switched the video scene of watching according to demand separately.
Surf the web and realize the function that surfs the web of main flow, the user can surf the web and obtain latest network information under the environment that has spider lines or wireless network.For example: can visit the google homepage easily by online software, obtain the web search service.The also streaming media on demand service on the network enabled of multimedia terminal system in addition, the playing network video flowing.
Multimedia is realized the playing function of Voice ﹠ Video multimedia file.It can play the multimedia file that is stored in the storage medium of multimedia terminal, also can play the multimedia file in the external memory card storage.The audio format of multimedia software support is a MP3 format, and the video format of support is employing H.264 the MP4 form and the AVI form of standard code of present main flow.
The function that the video recording realization is taken pictures and recorded a video., the video of gathering is encoded as image and input video source by video acquisition module, be stored to again in the terminal storage medium, reach the function of video camera by coding module.
Claims (5)
1. portable multi-function multimedia terminal system, it is characterized in that, comprise: the video data acquiring module, the audio data collecting module, the user operates input module, audio/video encoding/decoding and central processing module, the internal data store module, the video output module, the audio frequency output module, wireless network transmission module, the Ethernet interface module, the RS232 interface module, the external data storage module, the infrared radio transport module, the usb circuit module, power module and clock module, wherein: the uncoded sound that video data acquiring module and audio data collecting module link to each other and will collect with audio/video encoding/decoding and central processing module, video information transfers to audio/video encoding/decoding and central processing module, the user operates input module and links to each other with the infrared radio transport module and the transmitting user operation command information, the infrared radio transport module links to each other with the usb circuit module and the transmitting user operation command information, the usb circuit module links to each other with audio/video encoding/decoding and central processing module, the internal data store module links to each other with audio/video encoding/decoding and central processing module and transmitting data information and command file information, the video output module links to each other with audio/video encoding/decoding and central processing module with the audio frequency output module and with decoded sound, video information transfers to video output module and audio frequency output module, wireless transport module is realized network service with audio/video encoding/decoding and the continuous realization system of central processing module with being connected of the Internet with the Ethernet interface module, the external data storage module links to each other with audio/video encoding/decoding and central processing module and transmission of video, audio frequency, picture and program file, clock module links to each other with audio/video encoding/decoding and central processing module and exports clock pulse, the RS232 interface module is used for the Debugging message input and output, and power module provides the power supply and the level conversion of described system.
2. portable multi-function according to claim 1 multimedia terminal system, it is characterized in that, described video data acquiring module comprises: analog signal camera and be attached thereto the video AD conversion unit that connects, light signal is converted to analog electrical signal, transfers analog signal to digital signal by analog-to-digital conversion module again and give audio/video encoding/decoding and central processing module.
3. portable multi-function according to claim 1 multimedia terminal system, it is characterized in that, described audio/video encoding/decoding and central processing module comprise: video and audio coding and central processing unit, wherein: video and audio coding is to being encoded by the audio, video data of video and the collection of audio data collecting module, the audio-video code stream of having encoded is decoded and transferred to video output module and audio frequency output module, and central processing unit is finished the warm processing of many information and is supported the Collaboration of whole system.
4. portable multi-function according to claim 1 multimedia terminal system is characterized in that, described video output module comprises: video D/A conversion unit and analog electrical signal image-generating unit.
5. portable multi-function according to claim 1 multimedia terminal system is characterized in that described wireless network transmission module is connected with the Internet respectively with the Ethernet interface module.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102271242A (en) * | 2011-08-12 | 2011-12-07 | 华北电网有限公司通信管理中心 | Remote portable box |
| CN102281296A (en) * | 2011-08-09 | 2011-12-14 | 上海交通大学 | Television videophone system for old people |
| CN102883140A (en) * | 2011-07-14 | 2013-01-16 | 李文才 | Method for setting picture collection terminal of dangerous sites based on public network platform |
| CN103826085A (en) * | 2012-11-16 | 2014-05-28 | 中兴通讯股份有限公司 | Videoconference terminal processing method and videoconference terminal |
| CN103957375A (en) * | 2013-12-26 | 2014-07-30 | 三亚中兴软件有限责任公司 | Data transmission method, media acquisition device and video conference terminal |
| CN104184983A (en) * | 2013-05-21 | 2014-12-03 | 中兴通讯股份有限公司 | Conference terminal and service processing method thereof |
| CN105306873A (en) * | 2015-10-27 | 2016-02-03 | 邦彦技术股份有限公司 | Portable desktop audio and video conference device and system |
| CN106454188A (en) * | 2016-08-31 | 2017-02-22 | 北京德威视创软件技术有限公司 | Novel high resolution audio/video recording and playing console |
| CN106487934A (en) * | 2016-12-15 | 2017-03-08 | 深圳市阿尔泰车载娱乐系统有限公司 | A kind of portable multimedia Cloud Server and its data interactive method |
| CN107659843A (en) * | 2017-09-29 | 2018-02-02 | 北京优教互动教育科技有限公司 | A kind of audio-video collection play system and its method of work based on transcoder |
| CN108200376A (en) * | 2017-12-29 | 2018-06-22 | 深圳市中航比特通讯技术有限公司 | A kind of audio-video terminal equipment, multi-service fusion system and its application method |
| CN108322690A (en) * | 2018-03-02 | 2018-07-24 | 安徽时间分享信息科技有限公司 | A kind of wireless video communication apparatus |
| CN109587129A (en) * | 2018-11-28 | 2019-04-05 | 武汉兴图新科电子股份有限公司 | A kind of audio/video encoding/decoding equipment carrying out network transmission |
| CN111405290A (en) * | 2020-04-30 | 2020-07-10 | 华东师范大学 | 8K video compression code stream decoding processing and display device |
| CN112910490A (en) * | 2021-03-08 | 2021-06-04 | 中国人民解放军军事科学院战争研究院 | Multifunctional transmitter and data transmission method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102883140A (en) * | 2011-07-14 | 2013-01-16 | 李文才 | Method for setting picture collection terminal of dangerous sites based on public network platform |
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| CN104184983A (en) * | 2013-05-21 | 2014-12-03 | 中兴通讯股份有限公司 | Conference terminal and service processing method thereof |
| CN103957375A (en) * | 2013-12-26 | 2014-07-30 | 三亚中兴软件有限责任公司 | Data transmission method, media acquisition device and video conference terminal |
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| CN106454188A (en) * | 2016-08-31 | 2017-02-22 | 北京德威视创软件技术有限公司 | Novel high resolution audio/video recording and playing console |
| CN106487934A (en) * | 2016-12-15 | 2017-03-08 | 深圳市阿尔泰车载娱乐系统有限公司 | A kind of portable multimedia Cloud Server and its data interactive method |
| CN107659843A (en) * | 2017-09-29 | 2018-02-02 | 北京优教互动教育科技有限公司 | A kind of audio-video collection play system and its method of work based on transcoder |
| CN108200376A (en) * | 2017-12-29 | 2018-06-22 | 深圳市中航比特通讯技术有限公司 | A kind of audio-video terminal equipment, multi-service fusion system and its application method |
| CN108322690A (en) * | 2018-03-02 | 2018-07-24 | 安徽时间分享信息科技有限公司 | A kind of wireless video communication apparatus |
| CN109587129A (en) * | 2018-11-28 | 2019-04-05 | 武汉兴图新科电子股份有限公司 | A kind of audio/video encoding/decoding equipment carrying out network transmission |
| CN111405290A (en) * | 2020-04-30 | 2020-07-10 | 华东师范大学 | 8K video compression code stream decoding processing and display device |
| CN112910490A (en) * | 2021-03-08 | 2021-06-04 | 中国人民解放军军事科学院战争研究院 | Multifunctional transmitter and data transmission method |
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Application publication date: 20110713 |