CN103561028A - IMS video telephone based on naked-eye 3D technology - Google Patents
IMS video telephone based on naked-eye 3D technology Download PDFInfo
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Abstract
The invention discloses an IMS video telephone based on a naked-eye 3D technology. The IMS video telephone based on the naked-eye 3D technology comprises a multimedia application processor unit, a video analogue signal processing unit, an audio analogue signal processing unit, a user input unit, a wireless interface module and an Ethernet interface module. The multimedia application processor unit is used for initiating a call request from a network interface to an IMS SIP server through an IMS SIP protocol and carrying out audio data transmission and video data transmission through the audio analogue signal processing unit and the video analogue signal processing unit after establishing communication with an opposite terminal. A 2D-to-3D video conversion module is used for converting 2D images at the opposite terminal and a home terminal to 3D images and displaying the 3D images on a 3D display screen. Through the utilization of the IMS video telephone based on the naked-eye 3D technology, the ternary integration of differentiation services such as voices, data and videos based on an IMS is achieved, the service quality of communication services and multimedia services is improved through an audio and video hardware encoding and decoding method, and the user experience of the multimedia services is improved through a 2D-to-3D video conversion technology and the naked-eye 3D display technology.
Description
Technical field
The present invention relates to IMS converged communication terminal equipment, be specifically related to the IMS Video Phone based on bore hole 3D technology.
Background technology
IMS is a kind of brand-new, distributed network architecture of supporting mobile and IP multimedia service ability, the core technology that is considered to next generation network, also be to solve mobile and fixed network fusion, realize the important way of the differentiated service Triple Fusions such as voice, data, video.
In addition, VOIP has become main flow multimedia communication mode at present, and the voice and video business that VOIP realizes by IP Packet Generation can transmit by the Internet the business such as voice, fax, video and data so at low cost.IMS framework based on SIP has merged communications applications and the IT application of Internet field of field of telecommunications, provides carrier-class Qos to guarantee, business is carried out to effectively and flexibly charging, is a kind of open business platform.
IMS converged communication terminal equipment is the instrument of the fused business such as user's data of enjoying ultralow rate, voice, video.By the fusion of multiple communication function, based on IMS multimedia communication terminal equipment, to personal user, provide voice, the video communication service that rate are cheap, and can directly dial fixed line or mobile phone.Efficient solution can also be provided for the teleconference of corporate client, make the employee who is in strange land with various ways cooperation, solve same problem at one time, make to exchange more comprehensively fully ，Ye Wei enterprise and saved operation cost.
But existing IMS converged communication terminal equipment adopts the mode of IMS software terminal to be embedded in mobile device, and then support IMS converged communication business.Because IMS software terminal only can be realized audio/video communication function by soft encoding and decoding, encoding-decoding efficiency relies on CPU handling property very much, exist inefficiency and the service quality cannot guaranteed problem, especially in the situation of multi-service operation, IMS Video service quality be more difficult to be guaranteed.And existing equipment only supports 2D image to show, has the problem that picture sense and interactivity are not strong, the user who affects multimedia service experiences.
Summary of the invention
Technical problem to be solved by this invention is that IMS converged communication terminal equipment is realized audio/video communication function by soft encoding and decoding, and encoding-decoding efficiency relies on CPU handling property very much, and only supports the problem that 2D image shows.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is to provide a kind of IMS Video Phone based on bore hole 3D technology, comprising:
Multimedia application processor unit, has 2D video and turns 3D video module;
Video analog signal processing unit, comprises that camera module, 3D process module and process with 3D the 3D display screen that module is connected, and described camera module is connected with described multimedia application processor unit by CSI interface, controls the collection of vision signal; Described 3D processes module and is connected with described multimedia application processing unit by LVDS interface and I2C interface, the display mode of control chart picture and display effect, and complete corresponding image processing according to control command; Described 3D display screen is processed module by LVDS interface with described 3D and is connected, and carries out 2D or 3D rendering and shows;
Audio analog signals processing unit, its audio coding decoding module is connected with described multimedia application processor by I2C interface and I2S interface, realizes audio frequency D/A conversion, and by built-in DSP, realizes the optimization process of audio signal;
User input unit, comprises touch-screen module and touch key-press module, all by I2C interface, is connected with described multimedia application processor unit;
Wave point module, is connected with described multimedia application processor unit by SDIO interface, and WiFi and bluetooth access are provided;
Ethernet interface module, plug-in to multimedia application processor by Ethernet Adaptation Unit, and 2 RJ45 interfaces are externally provided;
According to the operation of described user input unit, described multimedia application processor unit by IMS Session Initiation Protocol by the network interface of described wave point module or described Ethernet interface module to the request of making a call of IMS sip server, after communicating by letter with opposite end foundation, by described video analog signal processing unit and described audio analog signals processing unit, carry out audio, video data transmission, described 2D video turns 3D video module and the 2D image of opposite end and local terminal is converted to 3D rendering and is presented on described 3D display screen.
In such scheme, also comprise sensor unit, described sensor unit comprises:
Hall sensing module, described multimedia application processor, by described hall sensing module, detects dislodging machine operation;
Gravity sensing module, described multimedia application processor, by described gravity sensing module, is monitored the direction of rotation of described 3D display screen.
In such scheme, also comprise external interface unit.
In such scheme, described external interface unit comprises 1 mini USB interface, 1 SD card interface, 1 HDMI interface, by described HDMI interface, opposite end and local terminal image is simultaneously displayed on external display terminal liquid crystal display screen.
The present invention, a kind of high integration, high-performance, solution cheaply, in the differentiated service Triple Fusions such as the voice in realization based on IMS, data, video, by audio frequency and video hardware compression mode, improved the service quality of communication service and multimedia service, and turn 3D technology and bore hole 3D Display Technique by 2D, and the picture display effect of strengthening convergent terminal, the user who improves multimedia service experiences.
Accompanying drawing explanation
Fig. 1 is the structural representation in the present invention.
Embodiment
The invention provides a kind of IMS Video Phone based on bore hole 3D technology, improve the service quality of communication service and multimedia service, and turn 3D technology and bore hole 3D Display Technique by 2D, and the picture display effect of strengthening convergent terminal, the user who improves multimedia service experiences.Below in conjunction with Figure of description and specific embodiment, the present invention is described in detail.
As shown in Figure 1, IMS Video Phone based on bore hole 3D technology provided by the invention, comprises multimedia application processor unit 1, video analog signal processing unit 2, audio analog signals processing unit 3, user input unit 4, sensor unit 5, Power Management Unit 6, external interface unit 7 and memory cell 8.
The Freescale i.MX SOC chip that multimedia application processor unit 1 adopts based on ARM multicore architecture, control core of the present invention, integrated 3D graphics accelerator, have that 60 frame 1080p HD video playback per second, two-way HD video are play, 3D video playback and 3D video encoding capability; Abundant peripheral interface is provided, is convenient to Function Extension.In addition, multimedia application processor unit 1 also has 2D video and turns 3D video module, support 2D video to turn 3D video capability, and 2D picture turns 3D picture function, 3D vision signal after conversion and 3D picture signal are processed module by the 3D on video analog signal processing unit and are carried out the processing of many viewpoints, then present 3D effect by the 3D display screen on video analog signal processing unit.Multimedia application processor unit 1 operation Android operating system and various application realize, and control peripheral interface data transmit-receive and carry out corresponding data protocol conversion, sound, coding and decoding video processing; Drive user input unit 4 and sensor unit 5, and respond user by these two operations that unit transmits.
Video analog signal processing unit 2 comprises that camera module, 3D process module and process with 3D the 3D display screen that module is connected.Camera module adopts OV5642 chip, by CSI interface, is connected with multimedia application processor unit 1, controls the collection of vision signal.3D processes module and adopts EV301 chip, by LVDS interface and I2C interface, is connected with multimedia application processing unit 1, and the display mode of control chart picture and display effect, and complete corresponding image processing according to control command.3D display screen is processed module by LVDS interface with 3D and is connected, and carries out 2D or 3D rendering and shows.
Audio analog signals is processed Unit 3 and is comprised audio coding decoding module and plug-in microphone, subject for ridicule, loud speaker and earphone.Audio coding decoding module can adopt CX20709, by I2C interface and I2S interface, is connected with multimedia application processor 1, realizes audio frequency D/A conversion, and by built-in DSP, realizes the optimization process of audio signal.
External interface unit 7 comprises 1 mini USB interface, 1 SD card interface, 1 HDMI interface, wave point module and Ethernet interface module.Wherein wave point module adopts the two-in-one design of realtekRTL8723AS-VB-CG WIFI+ Bluetooth chip, by SDIO interface, is connected with multimedia application processor unit 1, and WiFi and bluetooth access can be provided; Ethernet interface module is plug-in to multimedia application processor by Ethernet Adaptation Unit, and 2 RJ45 interfaces are externally provided.
Memory cell 8 comprises Flash and DDR, adopts the emmc sheet of 8G byte and the DDR2 storage chip of 1G byte, meets data storage function required when system is moved and application function realizes.
The present invention, according to the operation of user input unit 4, multimedia application processor unit 1 by IMS Session Initiation Protocol by the network interface of wave point module or Ethernet interface module to the request of making a call of IMS sip server, after communicating by letter with opposite end foundation, by video analog signal processing unit 2 and audio analog signals processing unit 3, carry out audio, video data transmission, 2D video turns 3D video module and the 2D image of opposite end and local terminal is converted to 3D rendering and is presented on 3D display screen, also can opposite end and local terminal image be simultaneously displayed on other display terminal liquid crystal display screens by HDMI interface.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (4)
1. the IMS Video Phone based on bore hole 3D technology, is characterized in that, comprising:
Multimedia application processor unit, has 2D video and turns 3D video module;
Video analog signal processing unit, comprises that camera module, 3D process module and process with 3D the 3D display screen that module is connected, and described camera module is connected with described multimedia application processor unit by CSI interface, controls the collection of vision signal; Described 3D processes module and is connected with described multimedia application processing unit by LVDS interface and I2C interface, the display mode of control chart picture and display effect, and complete corresponding image processing according to control command; Described 3D display screen is processed module by LVDS interface with described 3D and is connected, and carries out 2D or 3D rendering and shows;
Audio analog signals processing unit, its audio coding decoding module is connected with described multimedia application processor by I2C interface and I2S interface, realizes audio frequency D/A conversion, and by built-in DSP, realizes the optimization process of audio signal;
User input unit, comprises touch-screen module and touch key-press module, all by I2C interface, is connected with described multimedia application processor unit;
Wave point module, is connected with described multimedia application processor unit by SDIO interface, and WiFi and bluetooth access are provided;
Ethernet interface module, plug-in to multimedia application processor by Ethernet Adaptation Unit, and 2 RJ45 interfaces are externally provided;
According to the operation of described user input unit, described multimedia application processor unit by IMSSIP agreement by the network interface of described wave point module or described Ethernet interface module to the request of making a call of IMS sip server, after communicating by letter with opposite end foundation, by described video analog signal processing unit and described audio analog signals processing unit, carry out audio, video data transmission, described 2D video turns 3D video module and the 2D image of opposite end and local terminal is converted to 3D rendering and is presented on described 3D display screen.
2. the IMS Video Phone based on bore hole 3D technology as claimed in claim 1, is characterized in that, also comprise sensor unit, described sensor unit comprises:
Hall sensing module, described multimedia application processor, by described hall sensing module, detects dislodging machine operation;
Gravity sensing module, described multimedia application processor, by described gravity sensing module, is monitored the direction of rotation of described 3D display screen.
3. the IMS Video Phone based on bore hole 3D technology as claimed in claim 1, is characterized in that, also comprises external interface unit.
4. the IMS Video Phone based on bore hole 3D technology as claimed in claim 3, it is characterized in that, described external interface unit comprises 1 mini USB interface, 1 SD card interface, 1 HDMI interface, by described HDMI interface, opposite end and local terminal image is simultaneously displayed on external display terminal liquid crystal display screen.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109298750A (en) * | 2017-12-13 | 2019-02-01 | 中航华东光电（上海）有限公司 | A kind of reinforcement type intelligent display |
| CN112887980A (en) * | 2019-11-29 | 2021-06-01 | 北京三快在线科技有限公司 | Service access device and method |
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