CN105681307A - Portable camera audio and video coding, storage and network transmission device - Google Patents
Portable camera audio and video coding, storage and network transmission device Download PDFInfo
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- CN105681307A CN105681307A CN201610037224.9A CN201610037224A CN105681307A CN 105681307 A CN105681307 A CN 105681307A CN 201610037224 A CN201610037224 A CN 201610037224A CN 105681307 A CN105681307 A CN 105681307A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4392—Processing of audio elementary streams involving audio buffer management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440236—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by media transcoding, e.g. video is transformed into a slideshow of still pictures, audio is converted into text
Abstract
The invention discloses a portable camera audio and video coding, storage and network transmission device, comprising an HDMI/SDI interface (1) connected with a camera, wherein a signal sent from the camera is input into a PCIE collection card (2) via an HDMI/SDI interface, and output to a collection card for separating audio (3) and video (4) of the signal and outputting the audio (3) and video (4); the audio and video data are subjected to time synchronization processing (5); the synchronized data is sent into an audio buffering queue (6) and a video buffering queue (7) respectively; a coding manager (8) takes out the data from the buffering queues, and delivers to a coder list for synchronously coding, wherein the low delay high fidelity transfer codes are the major code stream; a plurality of coded data streams output by the coding manager are simultaneously delivered to a recording format manager (9) and a network protocol processor (10) for processing; and the data of the recording format manager is directly written into an built-in solid state disk (SSD) (1), and the data packaged by the network protocol manager is delivered to a network adapter transmitting-receiving manager (12) for network distribution.
Description
Technical field
The invention belongs to audio-visual devices, relate to a kind of audio-visual code storage web-transporting device of field camera.
Background technology
Traditional cameras limits due to memory space, battery electric quantity, use scene etc., although possessing recording function, but the recorded content of short period can only be stored, format is also more single (AVI or MP4), and signal transmits inconvenient (having to rely on private cable to connect), holding wire need to be connected to when making live broadcasting distant middle control instructor in broadcasting's platform, between instructor in broadcasting and cameraman, communication needs by specialty communication apparatus, very numerous and diverse, if doing network direct broadcasting, also need to the cooperation of specialty encoding device and streaming media server, waste time and energy.
Further, video camera has two major functions:
1, by on-the-spot sound and picture recording to the memorizer of self;
2, on-the-spot sound and image are carried out real-time Transmission by specialty interfaces such as AV, HDMI, SDI.
First, the usual capacity of memorizer that video camera adopts is less and expensive, and the stopping that starting every time recorded is required for pressing control knob, if run into need to record for a long time, the situation such as memorizer breaks down, push-botton operation error time, all it is likely to lose data, causes that cannot recover to regret; Secondly, video camera real-time Transmission signal, be required for relying on the cable of specialty, not only wiring trouble and also transmission range is restricted, existing Radio Transmission Technology there is also problems, or application cost is expensive, or transmission quality is undesirable.
Summary of the invention
The technical problem to be solved is to provide a kind of audio-visual code storage web-transporting device of field camera, the shortcoming that this device overcomes prior art.
This invention address that the technical scheme that above-mentioned technical problem is taked is as follows:
A kind of audio-visual code storage web-transporting device of field camera, including: the HDMI/SDI interface (1) being connected with video camera, wherein, the signal that video camera transmits passes through HDMI/SDI interface (1), input PCIE capture card (2), and export signal audio frequency (3), video (4) separation output to capture card, wherein, video format supports the forms such as RGB24/YUY2/YV12/NV122/, audio frequency supports sample rate 44100/48000Hz, single double track;Sound, video data process (5) through lock in time, it is prevented that the nonsynchronous situation of labial occur; In the Audio Buffer queue (6) respectively of data after synchronizing and video buffer queue (7); Coding manager (8) takes out data from buffer queue, gives encoder list and carries out synchronous coding, and low latency high-fidelity transfer is encoded to main bit stream; Multiple encoded data streams of coding manager output, give video recording format manager (9) simultaneously and network protocol processor (10) processes, data are carried out video recording form and are encapsulated as WMV, MPEG2, AVI or MP4 form by video recording format manager, and data are carried out procotol packing encapsulation by network protocol processor; The solid-state SSD hard disk (11) that the data of video recording format manager are then write direct built-in, the data of network protocol manager packing are given network interface card transmitting-receiving manager (12) and are carried out net distribution.
Wherein, inputting to the signal in PCIE capture card (2), input the highest support 1920 × 1080p60Hz, transmission bandwidth is the highest supports 2.97Gbit/s, when for SDI or 4.96Gbit/s, when for HDMI.
Described coding manager (8), further, if when starting network direct broadcasting function and MPEG2 recording function, also has live subcode stream and MPEG2 to record subcode stream.
Further, it is preferred that, low latency high-fidelity transfer is encoded to low latency transmission proprietary protocol AMS, Streaming transfer protocol RTMP or HLS protocol.
Also include: MIC mike (14),
Wherein, described MIC mike (14) is connected to the MIC mike acquisition interface of onboard sound card by 3.5mm tone frequency channel wire, process as digital signal by sound card, give coding manager (8) and carry out G.723 voice coding, data after coding carry out speech communication protocol encapsulation via network protocol processor (10), are finally received and dispatched manager (12) by network interface card and carry out network transmission.
Preferably, described network interface card transmitting-receiving manager (12) receives return network data, give network protocol processor (10) to resolve, if it find that be that speech data then gives G.723 decoder (15), decoded pcm audio initial data is play by voice output (16) module of onboard sound card, finally by 3.5mm audio frequency by voice output to earphone.
Preferably; it is additionally provided with external 12V DC source (20) and is connected to, by 5.5*2.1mm interface, the high-capacity lithium battery (19) that equipment carries; battery is linked to equipment main board power supply again; wherein; when there is no external power supply, internal battery continuous service can be relied on 3 hours, if accident power down when external power supply runs; internal battery plays UPS effect, and protection equipment is properly functioning.
After this invention takes such scheme, solve these problems comprehensively, additionally provide network direct broadcasting, the power such as FTP management of video, touch screen intuitively manipulate, double-directional speech call, the perfect tradition application of video camera, its network application of significant increase.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention. The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, so that the above-mentioned advantage of the present invention is definitely. Wherein,
Fig. 1 is the structural representation of the audio-visual code storage web-transporting device of field camera of the present invention.
Detailed description of the invention
Describing embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the process that realizes reaching technique effect can fully understand and implement according to this. As long as it should be noted that do not constitute conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
Specifically, as shown in Figure 1, a kind of audio-visual code storage web-transporting device of field camera, including: the HDMI/SDI interface (1) being connected with video camera, wherein, the signal that video camera transmits passes through HDMI/SDI interface (1), input PCIE capture card (2) (adopts Philip SAA7160E chip), input the highest support 1920 × 1080p60Hz, transmission bandwidth the highest support 2.97Gbit/s (SDI)/4.96Gbit/s (HDMI); Signal audio frequency (3), video (4) are separated output by capture card, and video format supports the forms such as RGB24/YUY2/YV12/NV12, and audio frequency supports sample rate 44100/48000Hz, single double track; Sound, video data process (5) through lock in time, it is prevented that the nonsynchronous situation of labial occur; In the Audio Buffer queue (6) respectively of data after synchronizing and video buffer queue (7); Coding manager (8) takes out data from buffer queue, give encoder list and carry out synchronous coding, low latency high-fidelity transfer is encoded to main bit stream, if starting network direct broadcasting function and MPEG2 recording function, also has live subcode stream and MPEG2 to record subcode stream; Multiple encoded data streams of coding manager output, give video recording format manager (9) simultaneously and network protocol processor (10) processes, data are carried out video recording form encapsulation (WMV, MPEG2, AVI, MP4 form) by video recording format manager, and data are carried out procotol packing encapsulation (low latency transmission proprietary protocol AMS, Streaming transfer protocol RTMP and HLS protocol) by network protocol processor; The solid-state SSD hard disk (11) that the data of video recording format manager are then write direct built-in, the data of network protocol manager packing are given network interface card transmitting-receiving manager (12) and are carried out net distribution;
Additionally, this equipment also supports bidirectional call function. Wherein, MIC mike (14) is connected to the MIC mike acquisition interface of onboard sound card by 3.5mm tone frequency channel wire, process as digital signal by sound card, give coding manager (8) and carry out G.723 voice coding, data after coding carry out speech communication protocol encapsulation via network protocol processor (10), are finally received and dispatched manager (12) by network interface card and carry out network transmission;
Monitor: network interface card transmitting-receiving manager (12) receives return network data, give network protocol processor (10) to resolve, if it find that be that speech data then gives G.723 decoder (15), decoded pcm audio initial data is play by voice output (16) module of onboard sound card, finally by 3.5mm audio frequency by voice output to earphone;
Additionally, in power supply: external 12V DC source (20) is connected to, by 5.5*2.1mm interface, the high-capacity lithium battery (19) that equipment carries, and battery is linked to equipment main board power supply again. When not having external power supply, can relying on internal battery continuous service 3 hours, if accident power down when external power supply runs, internal battery can play UPS effect, and protection equipment is properly functioning;
Further, this equipment also supports touch control operation, and touch LCD screen (18) is by serial ports and device talk, it may be achieved the control of various functions and parameter and setting.
It is to say, this equipment has following function:
1, it is equipped with Large Copacity SSD hard disk, supports long-time multi-format synchronous recording function, it is possible to record camera signal, all data that complete preservation video camera shuts down from starting shooting to multiple file format whole process;
2, it possesses ftp file download function, supports to download the file recorded from network optional position;
3, it possesses low latency, high-fidelity real-time coding network transmission function, camera signal can be reverted to by IP network (wired, wireless, 4G etc.) network any position in real time, it does not have distance limit is more without specialty cable distribution;
4, it possesses many code streams synchronous coding function, can the live subcode stream of real-time coding, by built-in streaming media service core, network direct broadcasting (terminal such as PC computer, mobile phone, flat board, Set Top Box can be watched simultaneously) can be made directly, also live data can be uploaded to streaming media server and realize Distributed Application, it is not necessary to by specialty encoding device;
5, it possesses two-way IP network voice call function, it is possible to carry out voice call with console or other AnyCAMBOX;
6, it possesses professional fixed interface, it is possible to be fixed with spider or video camera very easily, forms integral type application;
It addition, in outward appearance material:
1, equipment size is 191 × 166 × 50mm, and shell adopts up-to-date aluminium material, small and exquisite attractive in appearance and firm, is convenient for carrying;
2, the standard that devises above equipment is international M1/4 " connector screw, can guarantee that and be connected smoothly with existing all optics, DV;
3, equipment envisaged underneath standard is international M1/4 " collar nut, all model Quick-mounting boards can be fixed, thus being fixed on spider; Can also be directly anchored on the hot shoe of video camera by conversion equipment (hot shoe " HotShoe ", also someone is dovetail groove, being a various digital image equipment fixed interface groove connecting (including digital single anti-, DV and traditional digital cameras) various external adnexa, attachable adnexa includes flash lamp, GPS locator, flash lamp for photography and mike etc.)
4, external interface enriches, and comprises SDI/HDMI, Audioin/out, LAN, USB, WIFI, 4G etc.;
5, front panel is mounted with touch screen control module and electricity quantity display module, can pass through touch-control and easily realize low latency high-fidelity network transmission, real-time recording, network direct broadcasting, uploads the functions such as issue.
Further, further, this equipment has following functions:
1. Real-time Collection high definition HDMI/SDI signal, the highest support 1920 × 1080P60HZ of video, it is also equipped with HDMI/SDI ring and goes out function, do not affect original workflow;
2. video supports H264 and MPEG2 coding, and resolution, frame per second, output code flow are adjustable; H264 supports Baseline, Main, HighProfile coding mode, and code stream 100-50000kbps is adjustable; MPEG2 coding supports high definition coding, and code stream 1Mbps-50Mbps is adjustable; Audio coding supports MP3 and AAC, and sample rate, sound channel, output code flow are adjustable;
3. built-in WIFI wireless network module and cable network module, at capturing and coding simultaneously, can be sent in far-end control platform in real time by 1080P high resolution audio and video, low latency be reduced into high definition HDMI/SDI audio-video signal, can be used for echo to TV or large-size screen monitors;
4. built-in RTMPServer (Flash streaming media server) and HTML5Server (HTML5 streaming server), after startup is live, client (number of concurrently namely simultaneously watching online is up to 200 people) can pass through computer or mobile phone, through network real-time reception such as LAN/WIFI/4G, within time delay can be controlled in 2s;
5. real-time recording, video recording form supports WMV, MPEG2, AVI and MP4 etc.; Due to built-in Large Copacity SSD hard disk, support that ultra-long time high definition is recorded;
6. carrying ftp server, the computer of networking all can be watched locally downloading for video file carrying out or edit;
7. adopt the agreement such as standard RTMP, HTTPHLS, the audio/video flow after coding can be uploaded to the demand that larger-scale is concurrent that realizes on WOWZA, FMS, WMS and AMS in real time.
1, SDI/HDMI signals collecting, coding, recording, transmission, live, upload flow process:
Wherein, this equipment has following architectural feature:
1, equipment size is little, lightweight, is convenient for carrying;
2, equipment upper and lower all designs international M1/4 " nipple, can dock with all video cameras and spider;
3, built-in high-capacity lithium battery, and carry electricity quantity display module, can continuous operation more than 2 hours;
4, built-in high-definition signal capture card, can directly gather SDI/HDMI signal, the highest support 1080P60Hz;
5, equipment carries touch LCD screen, can complete signal transmission, synchronous recording, network direct broadcasting and the operation uploaded energy display device running status and event information in real time;
6, built-in high-capacity and high-speed solid-state SSD hard disk, supports that multi-format (WMV, AVI, MPEG2, MP4 file format) ultra-long time synchronous recording does not lose data;
7, adopt IntelCPU kernel firmly to compile, support H264 and MPEG2 real-time coding (the highest support 50Mbps code stream and the full HD coding of 1920x108060fps);
8, low latency high-fidelity network transmission protocol AMS is supported; Support the standard transmission protocol such as HTTPHLS/RTMP;
9, double-directional speech communication is supported;
10, can be carried out data transmission and live by multiple network such as wired, wireless, 4G simultaneously;
Finally, there is techniques below effect in this equipment:
1, built-in high-capacity lithium battery, does not need the power supply can continuous operation more than 2 hours;
2, there is special purpose interface, can be fixed on video camera and spider and run, fast reliably;
3, the front panel all functions of liquid crystal display screen touch control, intuitive and convenient can be passed through;
4, WMV, MPEG2, AVI, MP4 synchronous recording is supported in video recording; Built-in Large Copacity solid-state SSD hard disk, it is possible to provide ultra-long time is recorded;
5, low latency AMS host-host protocol is supported, and standard HTTPHLS/RTMP host-host protocol, it is possible to provide network direct broadcasting and data upload service;
6, the standard networks such as wired, wireless, 4G are supported in transmission, and not by distance limit, capacity of resisting disturbance is strong;
7, signal transmission receiving terminal can be any one computer on network, and application cost is low;
8, double-directional speech communication function is provided, convenient and control centre or other node communication
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (7)
1. the audio-visual code storage web-transporting device of field camera, it is characterized in that, including: the HDMI/SDI interface (1) being connected with video camera, wherein, the signal that video camera transmits passes through HDMI/SDI interface (1), input PCIE capture card (2), and export signal audio frequency (3), video (4) separation output to capture card;Sound, video data process (5) through lock in time; In the Audio Buffer queue (6) respectively of data after synchronizing and video buffer queue (7); Coding manager (8) takes out data from buffer queue, gives encoder list and carries out synchronous coding, and low latency high-fidelity transfer is encoded to main bit stream; Multiple encoded data streams of coding manager output, give video recording format manager (9) simultaneously and network protocol processor (10) processes, data are carried out video recording form and are encapsulated as WMV, MPEG2, AVI or MP4 form by video recording format manager, and data are carried out procotol packing encapsulation by network protocol processor; The solid-state SSD hard disk (11) that the data of video recording format manager are then write direct built-in, the data of network protocol manager packing are given network interface card transmitting-receiving manager (12) and are carried out net distribution.
2. the audio-visual code storage web-transporting device of field camera according to claim 1, it is characterized in that, input the signal to PCIE capture card (2), input the highest support 1920 × 1080p60Hz, transmission bandwidth the highest support 2.97Gbit/s or 4.96Gbit/s.
3. the audio-visual code storage web-transporting device of field camera according to claim 1 and 2, it is characterized in that, described coding manager (8), further, if when starting network direct broadcasting function and MPEG2 recording function, then live subcode stream and MPEG2 is also had to record subcode stream.
4. the audio-visual code storage web-transporting device of field camera according to claim 1 and 2, it is characterised in that low latency high-fidelity transfer is encoded to low latency transmission proprietary protocol AMS, Streaming transfer protocol RTMP or HLS protocol.
5. the audio-visual code storage web-transporting device of field camera according to claim 1, it is characterized in that, further, also include: MIC mike (14), wherein, described MIC mike (14) is connected to the MIC mike acquisition interface of onboard sound card by 3.5mm tone frequency channel wire, process as digital signal by sound card, give coding manager (8) and carry out G.723 voice coding, data after coding carry out speech communication protocol encapsulation via network protocol processor (10), finally being received and dispatched manager (12) by network interface card carries out network transmission.
6. the audio-visual code storage web-transporting device of field camera according to claim 5, it is characterized in that, further, described network interface card transmitting-receiving manager (12) receives return network data, give network protocol processor (10) to resolve, if it find that be that speech data then gives G.723 decoder (15), decoded pcm audio initial data is play by voice output (16) module of onboard sound card, finally by 3.5mm audio frequency by voice output to earphone.
7. the audio-visual code storage web-transporting device of field camera according to claim 1; it is characterized in that; it is additionally provided with external 12V DC source (20) and is connected to, by 5.5*2.1mm interface, the high-capacity lithium battery (19) that equipment carries; battery is linked to equipment main board power supply again; wherein; when there is no external power supply; internal battery continuous service can be relied on 3 hours; accident power down when if external power supply runs; internal battery plays UPS effect, and protection equipment is properly functioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037224.9A CN105681307A (en) | 2016-01-21 | 2016-01-21 | Portable camera audio and video coding, storage and network transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037224.9A CN105681307A (en) | 2016-01-21 | 2016-01-21 | Portable camera audio and video coding, storage and network transmission device |
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| CN105681307A true CN105681307A (en) | 2016-06-15 |
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|---|---|---|---|
| CN201610037224.9A Pending CN105681307A (en) | 2016-01-21 | 2016-01-21 | Portable camera audio and video coding, storage and network transmission device |
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Cited By (5)
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| CN106101797A (en) * | 2016-07-12 | 2016-11-09 | 青岛海信电器股份有限公司 | A kind of screen recording method and touch TV |
| CN107707788A (en) * | 2017-11-09 | 2018-02-16 | 安徽天行云视科技有限公司 | A kind of live all-in-one |
| CN107770481A (en) * | 2016-08-15 | 2018-03-06 | 常州海图电子科技有限公司 | CMOS compatible inputs and the video information transmission system of HDMI inputs |
| CN112165643A (en) * | 2020-09-07 | 2021-01-01 | 青岛海信移动通信技术股份有限公司 | Communication terminal |
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