CN209448838U - A kind of audio-video passback terminal based on day communication satellite communication system - Google Patents

Abstract

The utility model discloses a kind of, and the audio-video based on day communication satellite communication system returns terminal.A kind of audio-video passback terminal based on day communication satellite communication system, comprising: host and satellite communication antena, the host are connect with the satellite communication antena by RF cable；Wherein, the host is also used to be encoded to obtain audio-video code stream to the audio-video for obtaining audio-video；The satellite communication antena, for the audio-video code stream to be sent to audio/video server or other terminals by day communication satellite communication system.The technical solution of the utility model embodiment is conducive to carry out audio-video passback by day communication satellite communication system, it is not limited by public network signals such as 3G, 4G, satellite-signal can also be led to by day in the unlapped region in base station and realize audio-video passback, can preferably meet user demand.

Description

A kind of audio-video passback terminal based on day communication satellite communication system

Technical field

The utility model relates to audio-video passback technical field more particularly to a kind of sounds based on day communication satellite communication system Video returns terminal.

Background technique

Audio-video return system is widely used in government, army, public security, finance, insurance, telecommunications, fire-fighting, petrochemical industry, oil The fields such as field, forest fire protection, traffic, mine, maritime searching and rescue, passenger transportation, in audio-video return system, user passes through audio-video Passback terminal, which is realized, passes back to other users for audio-video, real in order to understand field condition by the audio-video of viewing passback Existing commanding and decision-making.

In existing audio-video passback technology, audio-video passback terminal often relies on the public networks such as 3G, 4G, and audio-video is returned Data reliability is unable to get guarantee during biography；In addition, the public networks such as 3G, 4G are limited by base station coverage area, it is difficult outlying Communication all standing is realized in the area such as mountain area, desert and Gobi, forest, and the region that signal is not covered with cannot achieve audio-video passback Function.

Utility model content

The utility model provides the passback terminal of the audio-video based on day communication satellite communication system, returns to improve audio-video The reliability of biography, and audio-video returns, the demand of further satisfaction user few by territory restriction.

In a first aspect, the utility model provides a kind of audio-video passback terminal based on day communication satellite communication system, institute Stating audio-video passback terminal includes host and satellite communication antena, and the host and the satellite communication antena pass through radio frequency line Cable connection；Wherein, the host is also used to be encoded to obtain audio-video code stream to the audio-video for obtaining audio-video； The satellite communication antena, for by day communication satellite communication system by the audio-video code stream be sent to audio/video server or Other terminals.

Wherein, day communication satellite communication system is a satellite mobile communication system, there is following characteristics: firstly, day leads to satellite In communication system, there is no limit all can be real in ocean, mountain area, grassland, forest, gobi, desert etc. for the landform of satellite-signal covering Existing seamless coverage, and round-the-clock, round-the-clock, reliable and stable mobile communication service can be provided, secondly, it is logical to lead to satellite based on day For the audio-video passback terminal of letter system compared with other audio-videos return terminal, autonomous degree of controllability is high from hardware to software, has Higher safety and reliability can be used for satellite moreover, day communication satellite communication system will not be limited by base station coverage area Any area of signal covering.It can be seen that user carry based on day communication satellite communication system audio-video passback terminal by It the area of base station coverage area limitation also can safe and reliable realization audio-video passback.

Wherein, it may include that sound view in distal end is obtained from external equipment by connecting external equipment which, which obtains audio-video, Frequently, herein, distal end audio-video refers to the audio-video that external equipment obtains, because not being the sound that audio-video passback terminal directly acquires Video, so being called distal end audio-video.It further includes directly acquiring local by audio-video unit that the host, which obtains audio-video, Audio-video.It is understood that distal end audio-video be the synchronous audio obtained in scene that the external equipment is placed and with The corresponding video of the audio, that is to say audio under the same scene and and the video corresponding with the audio under the scene, And the two be after treatment and meanwhile obtain and simultaneous transmission, referred to as audio-video.And video and audio coding is to audio-video (including distal end audio-video and local audio-video) forms audio-video code stream, audio/video server or other terminals after being encoded Audio-video code stream is received, audio-video passback is realized in decoding.Audio-video code stream refers to using audiovisual compression technology to audio-video The obtained audio-video code stream of compressed encoding, wherein audiovisual compression technology, which refers to, uses original figure audio-video signal stream Digital Signal Processing appropriate, do not lose useful information amount or it is introduced loss it is insignificant under the conditions of, reduce (pressure Contracting) its code rate, also referred to as compressed encoding.Audio-video code stream refers to the data traffic that audio-video document uses within the unit time, Also it is code rate, is that most important part is controlled to image quality in audio/video coding.

It should be noted that in the possible embodiment of the utility model, which passes through day communication satellite communication System both can send one or more audio/video server for the audio-video code stream, can also be by the audio-video code Stream sends one or more other terminal, can also be sent to more than one audio/video server and more than one other simultaneously Terminal.The object that the utility model sends the audio-video code stream is not construed as limiting.

It can be seen that implementing the audio-video based on day communication satellite communication system that first aspect provides returns terminal, pass through Its communication satellite communication system carries out audio-video passback, is not limited by public network signals such as 3G, 4G, in the unlapped region in base station Satellite-signal can be led to by day and realize audio-video passback, improve the reliability of audio-video passback, can better meet user needs It asks.

Based in a first aspect, the host specifically includes in specific embodiment of the utility model: arm processor, sound Video Codec and satellite communication apparatus, the satellite communication apparatus and the satellite communication antena pass through the radio frequency line Cable connection, the arm processor is attached with the video and audio coding by Ethernet interface or USB interface, described Arm processor is connect with the satellite communication apparatus by serial line interface；Wherein, the video and audio coding, for institute It states audio-video and carries out coding and form audio-video code stream, and the audio-video code stream is transferred to institute by the arm processor State satellite communication apparatus；The satellite communication apparatus, for the audio-video code stream to be transmitted to the satellite communication antena.

Based in a first aspect, the host is multiple by the connection of audio-video cable in specific embodiment of the utility model The External video camera of contract step video broadcast signal CVBS interface；The host is specifically used for receiving the External video camera biography Defeated audio-video, and the video and audio coding by the audio video transmission into the host.

It should be noted that audio-video passback terminal external can image in the possible embodiment of the utility model Machine, and built-in audio-video unit (including camera and microphone) is not installed in the host of audio-video passback terminal, may be used also Only to install audio-video unit in the host of audio-video passback terminal, audio-video returns terminal not External video camera, may be used also With not only External video camera, but also the installation audio-video unit in host.The utility model embodiment is not construed as limiting this.

Based in a first aspect, in specific embodiment of the utility model, the host circumscribed USB equipment, the host Specifically it is also used to obtain the circumscribed USB equipment, the audio-video of transmission, and by the audio video transmission to the host Video and audio coding.

Based in a first aspect, the host can be used to receive described external in specific embodiment of the utility model The audio-video of video camera real-time recording, and the audio/video encoding/decoding by the audio video transmission of the real-time recording into the host Device.

It should be noted that the audio-video that host can be used to receive External video camera real-time recording is able to achieve the sound Video returns in real time.

Based in a first aspect, in specific embodiment of the utility model, the host further include: audio-video unit, institute Audio-video unit is stated to connect with the arm processor；Wherein, the audio-video unit is also used to for acquiring the audio-video The audio-video is transferred to the video and audio coding by the arm processor.

Based in a first aspect, in the possible embodiment of the utility model, the host further include: power supply device and deposit Chip is stored up, the power supply device is connect with the arm processor respectively with the storage chip；Wherein, the power supply device, For realizing to audio-video passback terminal power supply；The storage chip, for storing in the audio-video passback terminal The audio-video.

Based in a first aspect, the storage chip is LPDDR3 and e-NAND in specific embodiment of the utility model Two-in-one chip.

Wherein, storage chip can be memory and the two-in-one chip of storage, and memory uses the memory chip of low-power consumption, storage Using the high storage chip of integrated level, the memory chip is packaged together with storage chip by multi-chip package technology, is subtracted The size and weight of gadget, and then the dimension and weight of host is reduced, facilitate user to carry.

Further, storage chip can be the LPDDR3 memory chip of low-power consumption, and the high e-NAND of integrated level stores core LPDDR3 and e-NAND can be packaged together by piece by multi-chip package technology, to reduce the size and weight of device.

Based in a first aspect, the power supply device includes charging adapter, fills in specific embodiment of the utility model Circuit or rechargeable battery.

Based in a first aspect, the satellite communication antena is also used to the audio-video code through day communication satellite communication system Stream is sent to other terminals in real time.

As can be seen that the audio-video by implementing the utility model embodiment returns terminal in the utility model embodiment, It poor or not signal region, the data for solving to occur in audio-video passback process can be lost in public network signals such as 3G, 4G Packet, audio-video Caton phenomenon and the problem of audio-video passback can not be carried out, and then guarantee the reliability of audio-video passback, more preferably Ground is met the needs of users.

Second aspect, the utility model provide another audio-video passback terminal based on day communication satellite communication system, The audio-video passback terminal includes that audio-video obtains module and satellite communication module, wherein audio-video obtains module, is used for Audio-video is obtained, is also used to that the audio-video is encoded to obtain audio-video code stream；Satellite communication module, for logical by day The audio-video code stream is sent to audio/video server or other terminals by satellite communication system.

Based on second aspect, in specific embodiment of the utility model, the audio-video returns terminal further include: processing Module, correspondingly, it further includes audio/video encoding/decoding module that the audio-video, which obtains module,；Wherein, the audio/video encoding/decoding mould Block forms audio-video code stream for carrying out coding to the audio-video, and the audio-video code stream is passed through the processing mould Block is transferred to the satellite communication apparatus；The satellite communication module, for the audio-video code stream to be transmitted to the satellite Communication antenna.

Based on second aspect, in specific embodiment of the utility model, the audio-video obtains module and passes through audio-video The External video camera of cable connection composite video synchronization broadcast singal CVBS interface；The audio-video obtains module, is specifically used for The audio-video of the External video camera transmission is received, and the audio video transmission to the audio-video is obtained into the sound in module and is regarded Frequency coding/decoding module.

Based on second aspect, in specific embodiment of the utility model, the audio-video obtains module and is specifically used for connecing The audio-video of the External video camera real-time recording is received, and the audio video transmission of the real-time recording to the audio-video is obtained Audio/video encoding/decoding module in module.

Based on second aspect, in specific embodiment of the utility model, the audio-video obtains module further include: sound view Frequency acquisition module, wherein the audio-video collection module is also used to pass through the audio-video for acquiring the audio-video The arm processor is transferred to the video and audio coding.

Based on second aspect, in specific embodiment of the utility model, the audio-video passback terminal further includes power supply Module and memory module, the power module are connect with the arm processor respectively with the memory module；Wherein, described Power module, for realizing to audio-video passback terminal power supply；The memory module, for storing the audio-video passback The audio-video in terminal.

Based on second aspect, in specific embodiment of the utility model, the memory module can be LPDDR3 and e- The two-in-one chip of NAND.

Based on second aspect, in specific embodiment of the utility model, the power module includes charging adapter, fills Circuit or rechargeable battery.

Based on second aspect, in specific embodiment of the utility model, the audio-video obtains module External video camera, The audio-video obtains the audio-video that module is specifically also used to obtain the External video camera transmission, and by the audio-video The audio/video encoding/decoding module being transmitted in the audio-video acquisition module.

Based on second aspect, in specific embodiment of the utility model, the satellite communication module is also used to pass through day The audio-video code stream is sent to other terminals by communication satellite communication system in real time.

As can be seen that the audio-video by implementing the utility model embodiment returns terminal in the utility model embodiment, It poor or not signal region, the data for solving to occur in audio-video passback process can be lost in public network signals such as 3G, 4G Packet, audio-video Caton phenomenon and the problem of audio-video passback can not be carried out, and then guarantee the reliability of audio-video passback, more preferably Meet the needs of users.

In the utility model embodiment, the audio-video by implementing the utility model embodiment returns terminal, can also be real Distal end audio-video or local audio-video are now obtained, and realizes that audio-video returns in real time, is preferably met the needs of users.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of day communication satellite communication system structure chart provided by the embodiment of the utility model.

Fig. 2 is that a kind of audio-video based on day communication satellite communication system provided by the embodiment of the utility model returns terminal.

Fig. 3 is that another audio-video based on day communication satellite communication system provided by the embodiment of the utility model returns eventually End.

Fig. 4 is that another audio-video based on day communication satellite communication system provided by the embodiment of the utility model returns eventually End.

Fig. 5 is that another audio-video based on day communication satellite communication system provided by the embodiment of the utility model returns eventually End.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this Utility model is not used to limit the utility model.Obviously, described embodiment is only the reality of the utility model a part Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making The range of the utility model protection all should belong in every other embodiment obtained under the premise of creative work.Divide below It is not described in detail.

The specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second " etc. are to be used for Different objects are distinguished, are not use to describe a particular order.In addition, term " includes " and their any deformations, it is intended that It covers and non-exclusive includes.Such as contain series of steps or the process, method, system, product or equipment of module do not limit Due to listed step or module, but optionally further comprising the step of not listing or module, or optionally further comprising it is right In these process, methods, product or equipment intrinsic other steps or module.

In order to better understand the utility model embodiment, first to the application system framework of the utility model embodiment into Row description.

With reference to Fig. 1, Fig. 1 is a kind of system construction drawing of the utility model embodiment.As shown in Figure 1, the audio-video returns System includes: audio-video passback terminal 101, day communication satellite communication system 102, audio/video server 103 and other terminals 104。

Wherein, audio-video passback terminal 101 has the function of communicating with day communication satellite communication system 102, can be by this Its communication satellite communication system 102, which is realized to the audio/video server 103 and other terminals 104, sends data (as described below Audio-video code stream) to realize terminal to audio/video server return audio-video.In possible application scenarios, audio-video is returned Transmission terminal 101 may also by this day communication satellite communication system 102 to other terminals 104 send data, thus realize terminal to Terminal returns audio-video.

Wherein, there is no limit, oceans, mountain area, grassland, gloomy for the landform of 102 satellite-signal of day communication satellite communication system covering Woods, gobi, desert etc. can all realize seamless coverage, it is possible to provide round-the-clock, round-the-clock, reliable and stable mobile communication service, and And do not limited by base station coverage area, it can be used for any area of satellite-signal covering.Its communication satellite communication system 102 is for example The day that can be China leads to 01 star system of No.1.

For example, user carries audio-video passback terminal, and the desert covered into public networks such as no 3G, 4G is needing When carrying out audio-video passback, it can be realized by day communication satellite communication system 102 to audio/video server and return audio-video, It can be realized by day communication satellite communication system 102 to other terminals and send audio-video.

In order to solve aforementioned problem of the prior art, the utility model embodiment is provided based on day communication satellite communication system Audio-video return terminal, should based on day communication satellite communication system audio-video passback terminal can access a day communication satellite communication system System realizes audio-video passback by this day communication satellite communication system, improves the reliability of audio-video passback, solve in public network The region of dtr signal or not signal, the data packetloss occurred in audio-video passback process, audio-video Caton phenomenon and The problem of can not carrying out audio-video passback.

Referring to fig. 2, Fig. 2 is that a kind of audio-video based on day communication satellite communication system provided by the embodiment of the utility model is returned Transmission terminal, applied in system as shown in Figure 1.As shown in Fig. 2, provided by the embodiment of the utility model logical based on the logical satellite in day The audio-video passback terminal 20 of letter system includes: host 21 and satellite communication antena 22, and the host 21 may include but not It is limited to power supply device 211, arm processor 212, storage chip 213, satellite communication apparatus 214, video and audio coding 215.It defends Star communication device 214 is connect with satellite communication antena 22 by RF cable；In the host 21, arm processor 212 passes through string Line interface is attached with satellite communication apparatus 214, and arm processor 212 is compiled by Ethernet interface or USB interface and audio-video Decoder 215 is attached, and arm processor 212 is attached with storage chip 213 and power supply device 211 respectively.

Wherein, audio-video passback terminal 20 can be a kind of portable mobile terminal, can realize that video returns on the move. In concrete application scene, audio-video passback terminal 20 is possible to referred to as video returning machine, satellite communication terminal etc..

Wherein, power supply device 211 may include charging adapter, rechargeable battery, power supply circuit, charging circuit, power supply Administrative unit etc. is powered portable terminal using charging adapter or rechargeable battery, and charging adapter access is portable After terminal, charging circuit charges to rechargeable battery, is able to achieve and provides electricity for audio-video passback terminal 20.

Wherein, video and audio coding 215 be based on domestic arm processor Platform Designing, autonomous degree of controllability with higher, It is the program or equipment that digital audio/video can be compressed or be decompressed.

Video and audio coding 215 in host 21 connects composite video synchronization broadcast singal CVBS by audio-video cable The External video camera of interface, to receive the audio-video of the External video camera transmission.Host 21 can connect circumscribed USB equipment To receive the audio-video of the circumscribed USB, it is of course also possible to which the external equipment of audio-video can be transmitted by connecting other, this is practical New embodiment is not construed as limiting this.

It should be noted that the audio-video that video and audio coding 215 can directly acquire External video camera transmission is (specific Realize with reference to hereafter to video and audio coding 416 in Fig. 4, do not repeat herein), host 21 is (such as external in acquisition external equipment USB device) transmission audio-video after, encoded to obtain corresponding sound to the audio-video by video and audio coding 215 and regarded The audio-video code stream is transferred to arm processor 212 and carries out subsequent processing by frequency code stream later.Herein, audio-video code stream refers to The data traffic that audio-video document uses within the unit time, is also code rate.

Wherein, arm processor 212 can be the processor of low-power consumption, include 2.0 master controller of integration USB, serial line interface Equal interfaces, the audio-video code stream after video and audio coding 215 being encoded are sent to satellite communication apparatus 214.

Herein, storage chip 213 can be memory and the two-in-one chip of storage, wherein memory can be the interior of low-power consumption Chip is deposited, storage can be the high storage chip of integrated level, then, deposit the memory chip with this by multi-chip package technology Store up chip package together, such as the two-in-one chip of LPDDR3 and e-NAND, in this way, except realize storage in addition to memory dual function, Also reduce the size and weight of device, it is to be understood that realize audio-video passback process in entire audio-video passback terminal In, which can be stored in corresponding file by storage chip 213, and user can work as needs independently to file designation When using the audio-video again, audio-video passback terminal can search corresponding file in storage chip 213 and is somebody's turn to do again Audio-video, in other words, audio-video return terminal and pass through storage audio-video, can unlimited number of non real-time time for realizing audio-video It passes.

Herein, satellite communication apparatus 214 is the high day communication satellite communication system device of autonomous degree of controllability, arm processor 212 It is attached with satellite communication apparatus 214 by serial line interface, is interacted using AT Command Set, user can be instructed by AT It is called, short message, phone directory, data service, the control of fax etc..Satellite communication apparatus 214 and satellite communication antena 22 are connected by RF cable, access day communication satellite communication system by satellite communication antena 22.

Audio-video returns terminal 20 can access day communication satellite communication system by satellite communication antena 22, and enabling day is logical to be defended After the data service of star communication system, then realized to audio/video server or other terminals by this day communication satellite communication system Carry out audio-video passback.There is no limit, oceans, mountain area, grassland, gloomy for the landform of the satellite-signal covering of its communication satellite communication system Woods, gobi, desert etc. can all realize seamless coverage, it is possible to provide round-the-clock, round-the-clock, reliable and stable mobile communication service, and It is not limited by base station coverage area, can be used for any area of satellite-signal covering, video passback can be made more reliable.For example, with Family carries audio-video and returns terminal 20, in the case where the mountain area of the public network signals such as no 3G, 4G covering needs to obtain and help again, leads to It crosses audio-video and returns the situation that aid worker can be allowed to understand user well, targetedly implement assistance.

For example, audio-video returning machine includes six core processor of LC1860C, rechargeable battery, LPDDR3 and e-NAND The high day communication satellite communication system device of two-in-one chip, autonomous degree of controllability, day communication satellite communication system antenna, autonomous degree of controllability High video and audio coding.Rechargeable battery provides electricity for the audio-video returning machine, and audio-video returning machine access day is logical to be defended After star communication system, the data service that day leads to satellite is enabled, video and audio coding can connect composite video synchronization broadcast letter The External video camera distal end of number CVBS interface obtains audio-video, later, forms audio-video code stream to the audio/video coding, then, It can send a day communication satellite communication device in real time by the audio-video code stream by six core processor of LC1860C, finally realize logical It crosses day communication satellite communication system and is sent to audio/video server in real time, complete real-time audio and video passback, can also be defended by the way that it is logical Star communication system is sent to other terminals in real time, it is of course also possible to which audio-video is stored in the two-in-one core of LPDDR3 and e-NAND In e-NAND in piece, when needing, it can be transferred in the e-NAND of the two-in-one chip of LPDDR3 and e-NAND.

In a specific embodiment of present aspect, it can also include External video camera which, which returns terminal, In, External video camera is the External video camera of composite video synchronization broadcast singal CVBS interface, for acquiring distal end sound view in real time Then the audio-video video recording of the distal end audio-video or shooting that acquire in real time is transferred to audio-video by frequency or shooting audio-video video recording Codec 215.Herein, External video camera can be placed in the place for needing to carry out audio-video video recording, return eventually in audio-video Under the control at end 20, External video camera can record a video to the scene in 23 coverage of External video camera, obtain the scene In audio-video and by audio-video cable by the audio video transmission to video and audio coding 215.

It should be noted that the audio-video that External video camera obtains is the audio and video in a scene while occurred, Including the record to scene sound intermediate frequency and to the record of video in the scene, simple to understand, the sound view that External video camera obtains Frequency be exactly audio under the same scene and and under the scene video corresponding with the audio entirety.

It is understood that External video camera can be transmitted to video and audio coding while acquiring audio-video 215, to realize that audio-video returns in real time, External video camera can also be after shooting audio-video video recording, when selecting any other Between will shooting audio-video video recording be transferred to video and audio coding 215, to realize the non real-time passback of audio-video.

As can be seen that implementing the audio-video based on day communication satellite communication system in the utility model embodiment and returning terminal Audio-video can be obtained by External video camera distal end, and audio-video code stream is obtained to audio/video coding, finally, leading to satellite by day Audio-video code stream is sent audio/video server or other terminals by communication system, solve the public network signals such as 3G, 4G compared with Data packetloss that difference does not occur in the region audio-video passback process of signal perhaps, audio-video Caton phenomenon or can not be into The problem of row audio-video returns, and then guarantee the reliability of audio-video passback, better meet the demand of user.

Referring to Fig. 3, Fig. 3 is another audio-video based on day communication satellite communication system provided by the embodiment of the utility model Return terminal.As shown in figure 3, the audio-video provided by the embodiment of the utility model based on day communication satellite communication system returns terminal 30 may include: host 31 and satellite communication antena 32, and the host 31 can include but is not limited to power supply device 311, ARM Processor 312, storage chip 313, audio-video unit 314, video and audio coding 316, star communication device 315 and satellite communication Antenna 32, the host are connect with the satellite communication antena by RF cable, and in the host 31, arm processor 312 is logical It crosses serial line interface to be attached with satellite communication apparatus 315, arm processor 312 is regarded by Ethernet interface or USB interface and sound Frequency codec 316 is attached, arm processor 312 respectively with power supply device 311, storage chip 313, audio-video unit 314 It is communicatively coupled.

Wherein, audio-video passback terminal 30 can be a kind of portable mobile terminal, can realize that audio-video is returned on the move It passes.In concrete application scene, audio-video passback terminal 30 is possible to referred to as audio-video returning machine, satellite communication terminal etc. Deng.

Wherein, power supply device 311 may include charging adapter, rechargeable battery, power supply circuit, charging circuit, power supply Administrative unit etc. is powered portable terminal using charging adapter or rechargeable battery, and charging adapter access is portable After terminal, charging circuit charges to rechargeable battery, is able to achieve and provides electricity for audio-video passback terminal 30.

Wherein, audio-video unit 314 can be used to acquire local audio-video.Local audio-video refers to that host institute is in place The audio-video set, wherein audio-video unit 314 may include microphone 3141 and camera 3142, and microphone 3141 is used to record Local audio is taken, camera 3142 is used to shoot local video corresponding with the local audio, and audio-video unit 314 will obtain later The audio and video processing synthesis audio-video taken is whole, and in other words, which is the audio in a scene while occurred With the entirety of video.In addition, audio-video unit 314 can also be used to be encoded to obtain audio-video code stream to local audio-video.

Herein, audio-video can be stored in storage chip 313 by audio-video unit 314 after obtaining audio-video, The audio-video document for facilitating user that any other time is selected to call storage from storage chip 313, to realize that audio-video is non real-time Passback.

Further, audio-video unit 314 can also be encoded to form audio-video while real-time local audio-video Code stream, then audio-video code stream is real-time transmitted to realize that audio-video is real-time by satellite communication apparatus 315 by arm processor 312 Passback.

Wherein, audio-video code stream refers to the data traffic that audio-video document uses within the unit time, is also code rate.ARM Processor 312 can be the processor of low-power consumption, include the interfaces such as 2.0 master controller of integration USB, serial line interface.

Herein, storage chip 313 can be memory and the two-in-one chip of storage, wherein memory can be the interior of low-power consumption Chip is deposited, storage can be the high storage chip of integrated level, then, deposit the memory chip with this by multi-chip package technology Chip package is stored up together, in this way, also reducing the size and weight of device in addition to realizing storage and memory dual function.It can With understanding, realizes in audio-video passback process, audio-video unit 314 can be obtained in entire audio-video passback terminal 30 Audio-video be stored in the corresponding file of the storage chip 313, user can be independently to file designation, when needing to obtain again When obtaining the audio-video, video passback terminal 30 can search corresponding file in storage chip 313 and obtain the audio-video again. In other words, video passback terminal, can the unlimited number of non real-time passback for realizing audio-video by storage audio-video.

Herein, satellite communication apparatus 315 is the high day communication satellite communication system device of autonomous degree of controllability, arm processor 312 It is attached with satellite communication apparatus 315 by serial line interface, is interacted using AT Command Set, user can be instructed by AT It is called, short message, phone directory, data service, the control of fax etc..Satellite communication apparatus 315 with satellite communication day After line 32 is connected by RF cable, day communication satellite communication system is accessed by satellite communication antena 32.

Audio-video, which returns terminal 30, can enable day after accessing day communication satellite communication system by satellite communication antena 32 The data service of communication satellite communication system, then realized by day communication satellite communication system to audio/video server or other terminals Carry out video passback.There is no limit, oceans, mountain area, grassland, gloomy for the landform of the satellite-signal covering of its communication satellite communication system Woods, gobi, desert etc. can all realize seamless coverage, it is possible to provide round-the-clock, round-the-clock, reliable and stable mobile communication service, and It is not limited by base station coverage area, can be used for any area of satellite-signal covering, audio-video passback can be made more reliable.For example, User carries audio-video and returns terminal 30, in the case where the mountain area of the public network signals such as no 3G, 4G covering needs to obtain and help again, Aid worker can be allowed to understand the situation of user well by audio-video passback, targetedly implement assistance.

For example, audio-video returning machine includes six core processor of LC1860C, rechargeable battery, LPDDR3 and e-NAND The high day communication satellite communication system device of two-in-one chip, autonomous degree of controllability, day communication satellite communication system antenna, audio-video unit (including camera and microphone).Rechargeable battery provides electricity for the audio-video returning machine, and audio-video returning machine is passing through After its communication satellite communication system antenna accesses day communication satellite communication system, the data service of day communication satellite communication system is enabled, it should Audio-video returning machine can use audio-video unit and obtain local audio-video in real time and the audio/video coding be formed audio-video code Stream fills it is then possible to send day communication satellite communication system in real time for the audio-video code stream by six core processor of LC1860C It sets, sends audio/video server in real time for the audio-video code stream finally by day communication satellite communication system, realize real-time video Passback.In addition it is also possible to send other terminals in real time for the audio-video code stream by day communication satellite communication system.In entire mistake Cheng Zhong, which audio-video can be stored in LPDDR3 by six core processor of LC1860C and e-NAND bis- is closed In the e-NAND of one chip, when needing, it can be transferred in the e-NAND of the two-in-one chip of LPDDR3 and e-NAND.

As can be seen that implementing the audio-video based on day communication satellite communication system in the utility model embodiment and returning terminal Audio-video can be locally being obtained by audio-video unit, and audio-video code stream is obtained to audio/video coding, finally, being defended by the way that it is logical Audio-video code stream is sent audio/video server by star communication system, solves poor or do not have in public network signals such as 3G, 4G The region of signal, the data packetloss occurred in video passback process, video cardton phenomenon and can not carry out asking for video passback Topic, and then guarantee the reliability of video passback, better meet the demand of user.

Referring to fig. 4, Fig. 4 is another audio-video based on day communication satellite communication system provided by the embodiment of the utility model Return terminal.As shown in figure 4, the audio-video provided by the embodiment of the utility model based on day communication satellite communication system returns terminal 40 may include: host 41 and satellite communication antena 42, and the host 41 can include but is not limited to power supply device 411, ARM Processor 412, audio-video unit 413 (including microphone 4131, camera 4132), storage chip 414, satellite communication apparatus 415, video and audio coding 416.Satellite communication apparatus 415 is connect with satellite communication antena 42 by RF cable, in the master In machine 41, arm processor 412 is attached by serial line interface with satellite communication apparatus 415, and arm processor 412 passes through ether Network interface or USB interface are attached with video and audio coding 416, and arm processor 412 is regarded with power supply device 411, sound respectively Frequency unit 413 and storage chip 414 are communicatively coupled.

Audio-video, which returns terminal 40, can enable day after accessing day communication satellite communication system by satellite communication antena 42 Audio-video can be returned the audio-video code stream in terminal 40 and be transferred to a day communication satellite communication by the data service of communication satellite communication system System is transferred to audio/video server eventually by satellite communication system, it is of course also possible to be transferred to by satellite communication system Other terminals.

Wherein, video and audio coding 416 is the program that can be compressed or be decompressed to digital audio/video Or equipment, it can connect the External video camera of composite video synchronization broadcast singal CVBS interface by audio-video cable, obtain Obtain the first synchronous audio-video of the External video camera 417.The External video camera 417 is placed in the ground for needing to carry out video record Side, audio-video passback terminal 40 control under, External video camera 417 can to the scene in the External video camera coverage into Row video recording obtains the audio-video in the scene and by audio-video cable by the audio-visual synchronization to video and audio coding 416, Video and audio coding 416 encodes the audio-video to obtain corresponding audio-video code stream.Meanwhile it can also pass through ARM Processor 412 obtains the second audio-video that audio-video unit 413 transmits.Audio-video unit 413 is obtained in the position where host The audio-video of host position.

Wherein, External video camera 417 belongs to external equipment, and the video and audio coding 416 in host 41 passes through audio-video The External video camera of cable connection composite video synchronization broadcast singal CVBS interface receives the sound view of the External video camera transmission Frequently.Also it can connect circumscribed USB equipment to receive the audio-video of the circumscribed USB, it is of course also possible to which connecting other can transmit The external equipment of audio-video, the utility model embodiment are not construed as limiting this.

In addition, video and audio coding 416 can directly pass through audio-video cable and composite video synchronization broadcast singal The External video camera 417 of CVBS interface is attached, and obtains distal end audio-video from the External video camera 417.It is understood that Also other external equipments be can connect, such as by circumscribed USB equipment, obtain the distal end audio-video of USB device transmission.As shown in the figure External video camera 417 indicate a kind of example, do not indicate to limit.

It returns in terminal 40 herein, video and audio coding 416 can be used to obtain external equipment (such as External video camera 417, USB device) transmission distal end obtain audio-video, and audio-video acquiring unit 413 can be used to obtain local audio-video. The presence of audio-video unit 413 and video and audio coding 416 make audio-video passback terminal can obtain distal end audio-video but also Local audio-video is obtained, the demand of user is more able to satisfy.

It needs, returns in terminal 40 herein, audio-video unit 413 can both pass through itself audio-video to acquisition It is encoded to obtain audio-video code stream, audio video transmission to video and audio coding 416 can also be encoded to obtain sound view Frequency code stream.The utility model embodiment is not construed as limiting this.

Herein, the microphone 4131 in audio-video unit 413 and camera 4132 respectively correspond Fig. 3 middle pitch video unit Microphone 3141, camera 3142 in 314, the introduction of microphone 3141, camera 3142 in reference pair Fig. 3, herein no longer It repeats.

Wherein, arm processor 412 can be the processor of low-power consumption, include 2.0 master controller of integration USB, serial line interface Video and audio coding 416 and audio-video unit 413 can be encoded obtained audio-video code stream and be transferred to satellite by equal interfaces Communication device 415, the audio video transmission that video and audio coding 416 and audio-video unit 413 can also be obtained to storage Chip 414 is stored.

Herein, satellite communication apparatus 415 is the high day communication satellite communication system device of autonomous degree of controllability, arm processor 412 It is attached with satellite communication apparatus 415 by serial line interface, is interacted using AT Command Set, user can be instructed by AT It is called, short message, phone directory, data service, the control of fax etc., satellite communication apparatus 415 can regard aforementioned sound Frequency code stream is sent to audio/video server by day communication satellite communication system, realizes audio-video passback, satellite communication apparatus 415 Other terminals can be sent by day communication satellite communication system by aforementioned audio-video code stream.

Wherein storage chip 414 can be memory and the two-in-one chip of storage, wherein memory can be the memory of low-power consumption Chip, storage can be the high storage chip of integrated level, then, by multi-chip package technology by the memory chip and the storage Chip package together, can be in this way, also reduce the size and weight of device in addition to realizing storage with memory dual function Understand, realize in audio-video passback process in entire audio-video passback terminal, storage chip 414 can be by audio-video (packet Include the first audio-video and the second audio-video) it is stored in corresponding file, user can be independently to file designation, when needing again When using the audio-video, audio-video passback terminal can search corresponding file in storage chip 414 and obtain sound view again Frequently.

Wherein, power supply device 411 may include rechargeable battery, CPU and peripheral power supply circuit, charging circuit etc., can be real Terminal charge now is returned to audio-video.

For example, audio-video passback terminal include rechargeable battery, audio-video unit (including camera, microphone) and It stores two-in-one chip (chip for being packaged with LPDDR3 and e-NAND using multi-chip package technology), satellite communication apparatus, defend Star communication antenna, video and audio coding, External video camera.

Wherein, audio-video passback terminal can be powered portable terminal using charging adapter or rechargeable battery, After charging adapter accesses portable terminal, charging circuit charges to rechargeable battery.Terminal is external takes the photograph for audio-video passback Camera, the distal end audio-video in the External video camera placement location near zone that available External video camera transmits regard sound Frequency is transferred to video and audio coding and encodes to form the first audio-video code stream.Certainly, audio-video passback terminal can also pass through Audio-video unit obtains the local audio-video of audio-video passback terminal whereabouts, and audio-video unit is to local audio/video coding Form the second audio-video code stream.It can be by the first audio-video code stream or the second audio-video code by six core processor of LC1860C It is streamed to satellite communication apparatus, it is final to realize that audio-video passback terminal is sent to audio-video clothes by day communication satellite communication system Business device completes video passback or is sent to other terminals.

In the whole process, audio-video passback terminal can also be by six core processor of LC1860C by the first audio-video Or second audio-video be stored in the e-NAND of the two-in-one chip of LPDDR3 and e-NAND, can be in LPDDR3 and e- when needing It is transferred in the e-NAND of the two-in-one chip of NAND.

With reference to Fig. 5, Fig. 5 returns for another video based on day communication satellite communication system provided by the embodiment of the utility model Transmission terminal.Video passback terminal 50 provided by the embodiment of the utility model based on day communication satellite communication system includes: audio-video Obtain module 501 and satellite communication module 502；Wherein, audio-video obtains module 501, for obtaining audio-video, is also used to pair The audio-video is encoded to obtain audio-video code stream；Satellite communication module 502, for passing through day communication satellite communication system for institute It states audio-video code stream and is sent to audio/video server.

Wherein, audio-video, which obtains module 501, can correspond to the video and audio coding 215 in Fig. 2, can refer to Fig. 2 The description of video and audio coding 215, correspondingly, satellite communication module 502 can with 2 Satellite communication device 214 of corresponding diagram with Satellite communication antena 22 can refer to the description to Fig. 2 satellite communication apparatus 214 and satellite communication antena 22, and details are not described herein again.

Wherein, audio-video, which obtains module 501, can correspond to the audio-video unit 314 in Fig. 3, can refer to in Fig. 3 The description of audio-video unit 314, correspondingly, satellite communication module 502 can be with 3 Satellite communication device 315 of corresponding diagram and satellite Communication antenna 32 can refer to the description to Fig. 3 satellite communication apparatus 315 and satellite communication antena 32, and details are not described herein again.

Wherein, audio-video, which obtains module 501, can correspond to audio-video unit 413 and audio/video encoding/decoding in Fig. 4 Device 416 can refer to the description to audio-video unit 413 and video and audio coding 416 in Fig. 4, correspondingly, satellite communication Module 502 can be can refer to 4 Satellite communication device 415 of corresponding diagram and satellite communication antena 42 to Fig. 4 satellite communication apparatus 415 with the description of satellite communication antena 42, details are not described herein again.

In a possible embodiment, audio-video returns terminal 50 further include: processing module 503, correspondingly, the audio-video Obtaining module 501 further includes audio/video encoding/decoding module 5011；Wherein, audio/video encoding/decoding module 5011, for obtaining distal end Audio-video is also used to carry out the audio-video coding and forms audio-video code stream, and by the audio-video code stream described in Processing module 503 is transferred to the satellite communication module 502；The satellite communication module 502, for passing through day communication satellite communication The audio-video code stream is sent to audio/video server by system.

Wherein, processing module 503 can correspond to the arm processor 212 in Fig. 2, can refer to Fig. 2A RM processor 212 Description, correspondingly, the video and audio coding 215 in 5011 corresponding diagram 2 of audio/video encoding/decoding module, can refer to Fig. 2 sound The description of Video Codec 215, details are not described herein again.

Wherein, processing module 503 can correspond to the arm processor 312 in Fig. 3, can refer to arm processor in Fig. 3 312 description, correspondingly, the video and audio coding 316 in 5011 corresponding diagram 3 of audio/video encoding/decoding module, can refer to Fig. 3 The description of video and audio coding 316, details are not described herein again.

Wherein, processing module 503 can correspond to the arm processor 412 in Fig. 4, can refer to arm processor in Fig. 4 412 description, correspondingly, video and audio coding 416 and audio-video list in 5011 corresponding diagram 4 of audio/video encoding/decoding module Member 413, can refer to the description to Fig. 4 video and audio coding 416 and audio-video unit 413, details are not described herein again.

In a possible embodiment, the audio-video obtains module 501 and connects composite video synchronization by audio-video cable The External video camera of broadcast singal CVBS interface；The audio-video obtains module, receives the sound view of the External video camera transmission Frequently, and by the audio video transmission to the audio-video obtain the audio/video encoding/decoding module in module.

In a possible embodiment, audio-video obtains module 501 further include: audio-video collection module 5012, wherein sound view Frequency acquisition module 5012 is also used to for the audio-video being transferred to by the processing module 503 for obtaining local audio-video The audio/video encoding/decoding module 5011.

Wherein, audio-video collection module 5012 can be can refer to the audio-video unit 314 in corresponding diagram 3 to Fig. 3 audio-video The description of unit 314, details are not described herein again.

Wherein, audio-video collection module 5012 can be can refer to the audio-video unit 413 in corresponding diagram 4 to Fig. 4 audio-video Unit 413 describes, and details are not described herein again.

In a possible embodiment, in specific embodiment of the utility model, the video returns terminal further include: electricity Source module 504 and memory module 505；Wherein, power module 504, for realizing to audio-video passback terminal power supply；It deposits Module 505 is stored up, for storing the audio-video in audio-video passback terminal 50.

Wherein, power module 504 can be referred to the power supply device 211 in corresponding diagram 2 to Fig. 2 power supply device 211 Description, memory module 505 can be referred to the description to storage chip 213 in Fig. 2 with the storage chip 213 in corresponding diagram 2, Details are not described herein again.

Wherein, power module 504 can be referred to the power supply device 311 in corresponding diagram 3 to Fig. 3 power supply device 311 Description, memory module 505 can be referred to the description to storage chip 313 in Fig. 3 with the storage chip 313 in corresponding diagram 3, Details are not described herein again.

Wherein, power module 504 can be referred to the power supply device 411 in corresponding diagram 4 to Fig. 4 power supply device 411 Description, memory module 505 can be referred to the description to storage chip 414 in Fig. 4 with the storage chip 414 in corresponding diagram 4, Details are not described herein again.

In a possible embodiment, in specific embodiment of the utility model, the memory module 505 be can be The two-in-one chip of LPDDR3 and e-NAND.

In a possible embodiment, in specific embodiment of the utility model, the power module 504 includes that charging is suitable Orchestration, charging circuit or rechargeable battery.

In a possible embodiment, in specific embodiment of the utility model, it is external that the audio-video obtains module 501 USB device, the audio-video obtain the audio-video that module is specifically also used to obtain the USB device transmission, and will be described Audio video transmission obtains the audio/video encoding/decoding module in module to the audio-video.It is practical at this in a possible embodiment In novel specific embodiment, the audio-video obtains 501 circumscribed USB equipment of module, is specifically also used to obtain USB device transmission Distal end audio-video.

It need to be noted that: above is referred to audio-videos to return terminal, other terminals and audio/video server item are retouched State, with the above method description be it is similar, repeat no more.Terminal, other terminals and sound are returned for the utility model audio-video Undisclosed technical detail in video server embodiment, please refers to the description of the utility model embodiment of the method.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

In addition, part same and similar between each embodiment in this specification may refer to each other.Especially for above-mentioned For the embodiment of device and hardware device, since it is substantially similar to the method embodiment, so be described relatively simple, it is related Place is referring to the explanation in embodiment of the method.

Above-described the utility model embodiment does not constitute the restriction to scope of protection of the utility model.

Claims (10)

1. a kind of audio-video based on day communication satellite communication system returns terminal, which is characterized in that the audio-video returns terminal Including host and satellite communication antena, the host is connect with the satellite communication antena by RF cable；Wherein,

The host is also used to be encoded to obtain audio-video code stream to the audio-video for obtaining audio-video；

The satellite communication antena, for the audio-video code stream to be sent to audio-video service by day communication satellite communication system Device or terminal.

2. audio-video according to claim 1 returns terminal, which is characterized in that the host specifically includes:

Arm processor, video and audio coding and satellite communication apparatus, the satellite communication apparatus and the satellite communication day Line is connected by RF cable, and the arm processor and the video and audio coding are connected by Ethernet interface or USB interface It connects, the arm processor is connect with the satellite communication apparatus by serial line interface；Wherein,

The video and audio coding forms audio-video code stream for carrying out coding to the audio-video, and the sound is regarded Frequency code stream is transferred to the satellite communication apparatus by the arm processor；

The satellite communication apparatus, for the audio-video code stream to be transmitted to the satellite communication antena.

3. audio-video according to claim 2 returns terminal, which is characterized in that the host is connected by audio-video cable The External video camera of composite video synchronization broadcast singal CVBS interface；

The host, specifically for receiving the audio-video of External video camera transmission, and by the audio video transmission to described Video and audio coding in host.

4. audio-video according to claim 3 returns terminal, which is characterized in that the host is specifically used for receiving described outer The audio-video of video camera real-time recording is connect, and audio-video of the audio video transmission of the real-time recording into the host is compiled into solution Code device.

5. audio-video according to claim 2 returns terminal, which is characterized in that the host further include: audio-video unit, The audio-video unit is connect with the arm processor；Wherein,

The audio-video unit is also used to transmit the audio-video by the arm processor for acquiring the audio-video To the video and audio coding.

6. audio-video according to claim 5 returns terminal, which is characterized in that the host further include: power supply device with And storage chip, the power supply device are connect with the arm processor respectively with the storage chip；Wherein,

The power supply device, for realizing to audio-video passback terminal power supply；

The storage chip, for storing the audio-video in the audio-video passback terminal.

7. audio-video according to claim 6 returns terminal, which is characterized in that the storage chip is LPDDR3 and e- The two-in-one chip of NAND.

8. audio-video according to claim 6 returns terminal, which is characterized in that the power supply device includes adaptive charging Device, charging circuit or rechargeable battery.

9. audio-video according to claim 1 returns terminal, which is characterized in that the host circumscribed USB equipment, the master Machine is specifically also used to obtain the audio-video of USB device transmission, and by the audio video transmission to the sound of the host Video Codec.

10. audio-video according to claim 9 returns terminal, which is characterized in that the satellite communication antena is also used to lead to It crosses day communication satellite communication system and the audio-video code stream is sent to the audio/video server or the terminal in real time.