CN104717516A - Method and device for transmitting multimedia data - Google Patents
Method and device for transmitting multimedia data Download PDFInfo
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- CN104717516A CN104717516A CN201510010188.2A CN201510010188A CN104717516A CN 104717516 A CN104717516 A CN 104717516A CN 201510010188 A CN201510010188 A CN 201510010188A CN 104717516 A CN104717516 A CN 104717516A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000004891 communication Methods 0.000 claims description 45
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- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6181—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a mobile phone network
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Abstract
The invention discloses a method and device for transmitting multimedia data. The method comprises the steps that original multimedia data are subjected to low latency coding; the multimedia data are transmitted in a low latency wireless transmission mode after being subjected to low latency coding. According to the technical scheme, long distance and low latency wireless transmission of high-resolution multimedia data is achieved, and it is guaranteed that a high-definition video can be directly transmitted in a wireless mode and is played in real time.
Description
Technical field
The present invention relates to technical field of data transmission, particularly relate to a kind of transmission method and device of multi-medium data.
Background technology
At present, because HD video code stream is comparatively large, when carrying out the remote and transmission of low delay to HD video, Wifi transmission means cannot be used, and need to use wire transmission mode, but wire transmission mode needs the connection of data wire, makes use scenes limited especially.
Summary of the invention
For overcoming problems of the prior art, make HD video also can directly by wireless transmission, the embodiment of the present invention provides a kind of transmission method and device of multi-medium data.
A transmission method for multi-medium data, comprising:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
Optionally, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after described low delay coding is embedded in low delay wirelessly transmitting data and transmits.
Optionally, described method also comprises:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Optionally, described low delay coding is carried out to former multi-medium data, comprising:
Adopt VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode are encoded to former multi-medium data.
Optionally, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after being encoded by low delay transmits with DVB-T pattern or DTM-B pattern.
A transmitting device for multi-medium data, comprising:
Coding module, for carrying out low delay coding to former multi-medium data;
Transport module, transmits with low delay wireless communication mode for the multi-medium data after being encoded by low delay.
Optionally, described transport module, transmits for being embedded in low delay wirelessly transmitting data by the multi-medium data after described low delay coding.
Optionally, this device also comprises:
Receiver module, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Optionally, described coding module, encodes to former multi-medium data for adopting VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode.
Optionally, described transport module, transmits with DVB-T pattern or DTM-B pattern for the multi-medium data after being encoded by low delay.
A transmission method for multi-medium data, comprising:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
A transmitting device for multi-medium data, comprising:
Receiver module, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
A transmitting device for multi-medium data, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
A transmitting device for multi-medium data, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
In the embodiment of the present invention, after high-resolution multi-medium data is carried out low delay coding, transmit with low delay wireless communication mode, multimedia file transmission time delay is reduced, ensure the real-time of multimedia, and the scene of long range wireless transmission can be used in.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the transmission method of a kind of multi-medium data in the embodiment of the present invention;
Fig. 2 is the method flow diagram of the multi-medium data receiving terminal corresponding to Fig. 1 multi-medium data transmitting terminal in the embodiment of the present invention;
Fig. 3 is the flow chart of the transmission method of a kind of multi-medium data in the embodiment of the present invention;
Fig. 4 is the method flow diagram of the multi-medium data receiving terminal corresponding to Fig. 3 multi-medium data transmitting terminal in the embodiment of the present invention;
Fig. 5 is the flow chart of the data transmission method of another kind of multi-medium data receiving terminal in the embodiment of the present invention;
Fig. 6 is the block diagram of the transmitting device of a kind of multi-medium data in the embodiment of the present invention;
Fig. 7 is the block diagram of the transmitting device of a kind of multi-medium data in the embodiment of the present invention;
Fig. 8 is the block diagram of a kind of device for Multimedia Data Transmission according to an exemplary embodiment.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
When filming apparatus carries out captured in real-time, as live telecast, monitoring video, or when unmanned plane to be taken photo by plane etc. and is needed the situation of high-resolution, low delay, remote wireless transmission multi-medium data, need the multimedia file photographed to be real-time transmitted to other-end and carry out process broadcasting, namely need to carry out at a distance the multimedia file of high code stream, low delay wireless transmission.
Fig. 1 is the flow chart of the transmission method of a kind of multi-medium data in the embodiment of the present invention, and as shown in Figure 1, the transmission method of the multi-medium data of the embodiment of the present invention comprises the following steps.
Step S11, carries out low delay coding to former multi-medium data;
Step S12, the multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
In the present embodiment, after high-resolution multi-medium data is carried out low delay coding, transmit with low delay wireless communication mode, multimedia file transmission time delay is reduced, ensure the real-time of multimedia, and the scene of remote wireless transmission can be used in.
Optionally, step S12 comprises: be embedded in low delay wirelessly transmitting data by the multi-medium data after described low delay coding and transmit.
Fig. 2 is the method flow diagram of the multi-medium data receiving terminal corresponding to Fig. 1 multi-medium data transmitting terminal in the embodiment of the present invention, and as shown in Figure 2, optionally, the method also comprises:
Step S21, receives with the multi-medium data of low delay wireless communication mode transmission;
Step S22, carries out low delay decoding by multi-medium data, obtains former multi-medium data.
Optionally, in step s 11, adopt VC-2 (Dirac Pro, a kind of video compression coding standard, be called for short VC-2) pattern, H.264 (MPEG-4 Part X, the high compression digital video coding-coding device standard that the joint video team constituted jointly by ITU-T Video Coding Experts group and ISO/IEC dynamic image expert group proposes) low-delay mode, H.265 (the new video encoding standard that ITU-T Video Coding Experts group is formulated after H.264) low-delay mode or advanced video coding (Advanced Video Coding, being called for short AVC) low-delay mode encodes to former multi-medium data.
Optionally, in step s 12, multi-medium data after being encoded by low delay transmits with digital video broadcasting (Digital Video Broadcasting, hereinafter referred to as DVB-T) pattern or China Digital TV ground transmission standard (hereinafter referred to as DTM-B) pattern.
With instantiation, method of the present invention is described in detail below.
In the present embodiment, low delay is encoded to VC-2 pattern, and low delay wireless communication mode is DVB-T pattern, and this is only wherein a kind of implementation of the present invention.
Fig. 3 is the flow chart of the transmission method of a kind of multi-medium data in the embodiment of the present invention, mainly the multimedia of high code stream VC-2 form is converted to low code stream DVB-T form to transmit, DVB-T both supported wireless transmission, also wire transmission is supported, such Multimedia Data Transmission mode makes high-resolution multimedia file transmission achieve long distance and time delay reduces, and ensures the real-time of multimedia.
As shown in Figure 3, the present embodiment comprises:
Step S31, encodes to former multi-medium data, obtains the multi-medium data of VC-2 form;
Step S32, is converted to the multi-medium data of DVB-T form by the multi-medium data of VC-2 form;
Step S33, sends in a wired or wireless fashion by the multi-medium data of DVB-T form.
Fig. 4 is the method flow diagram of the multi-medium data receiving terminal corresponding to Fig. 3 multi-medium data transmitting terminal in the embodiment of the present invention, and as shown in Figure 2, optionally, the method also comprises:
Step S41, receives the multi-medium data of DVB-T form;
Step S42, is converted to the multi-medium data of VC-2 form by the multi-medium data of DVB-T form;
Step S43, decodes to the multi-medium data of VC-2 form.
In possibility, by the DVB-T received format multi-media data being converted to the multi-medium data of VC-2 form, a kind of wire transmission or wireless transmission method of multi-medium data of low delay can be realized.
Optionally, the multi-medium data of VC-2 form comprises multiple VC-2 packet, and above-mentioned steps S32 comprises:
Before each VC-2 packet, add SYNC signal, obtain the multi-medium data of DVB-T form.
The multi-medium data of the DVB-T form obtained is as shown in table 1 below,
Table 1
| SYNC(1bytes) | VC-2 packet (187bytes) |
Fig. 5 is the flow chart of the data transmission method of another kind of multi-medium data receiving terminal in the embodiment of the present invention, and as shown in Figure 5, optionally, above-mentioned steps S42 comprises:
Step S51, removes the SYNC signal in the multi-medium data of DVB-T form, obtains VC-2 packet;
Above-mentioned steps S43 comprises: comprising:
Step S52, searches feature frame head from VC-2 packet;
Step S53, resolves feature frame head, determines that whether the multi-medium data after changing is the multi-medium data of VC-2 form;
Step S54, when determining the multi-medium data that the multi-medium data after changing is VC-2 form, decodes to VC-2 packet.
The multi-medium data of the DVB-T form received is as shown in table 2 below,
Table 2
Remove the SYNC signal in the multi-medium data of described DVB-T form, obtain described VC-2 packet as shown in table 3 below,
Table 3
| VC-2 packet 1 (187bytes) |
| VC-2 packet 2 (187bytes) |
| VC-2 packet 3 (187bytes) |
During to VC-2 decoded packet data, first can attempt finding feature frame head in VC-2 packet, judge input code flow whether as VC-2 form, if VC-2 form, then by its normal decoder according to frame head analysis result.
The present invention also provides a kind of transmission method of multi-medium data, comprising:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.Fig. 6 is the block diagram of the transmitting device of a kind of multi-medium data in the embodiment of the present invention, and as shown in Figure 6, this device comprises:
Coding module 61, for carrying out low delay coding to former multi-medium data;
Transport module 62, transmits with low delay wireless communication mode for the multi-medium data after being encoded by low delay.
Optionally, transport module 62, transmits for being embedded in low delay wirelessly transmitting data by the multi-medium data after described low delay coding.
Fig. 7 is the block diagram of the transmitting device of a kind of multi-medium data in the embodiment of the present invention, and as shown in Figure 7, this device also comprises:
Receiver module 63, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module 64, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Optionally, described coding module 61, encodes to former multi-medium data for adopting VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode.
Optionally, described transport module 62, transmits with DVB-T pattern or DTM-B pattern for the multi-medium data after being encoded by low delay.
The present invention also provides a kind of transmitting device of multi-medium data, comprising:
Receiver module, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
The present invention also provides a kind of transmitting device of multi-medium data, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
The present invention also provides a kind of transmitting device of multi-medium data, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Fig. 8 is the block diagram of a kind of device for Multimedia Data Transmission according to an exemplary embodiment.Such as, device 800 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
As shown in Figure 8, device 800 can comprise following one or more assembly: processing components 802, memory 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor cluster 814, and communications component 816.
The integrated operation of the usual control device 800 of processing components 802, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 802 can comprise one or more processor 820 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more module, and what be convenient between processing components 802 and other assemblies is mutual.Such as, processing components 802 can comprise multi-media module, mutual with what facilitate between multimedia groupware 808 and processing components 802.
Memory 804 is configured to store various types of data to be supported in the operation of equipment 800.The example of these data comprises for any application program of operation on device 800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 804 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that power supply module 806 is device 800 provide electric power.Power supply module 806 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 800 and be associated.
Multimedia groupware 808 is included in the screen providing an output interface between described device 800 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 808 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 800 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 810 is configured to export and/or input audio signal.Such as, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 804 further or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loud speaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 814 comprises one or more transducer, for providing the state estimation of various aspects for device 800.Such as, sensor cluster 814 can detect the opening/closing state of equipment 800, the relative positioning of assembly, such as described assembly is display and the keypad of device 800, the position of all right checkout gear 800 of sensor cluster 814 or device 800 1 assemblies changes, the presence or absence that user contacts with device 800, the variations in temperature of device 800 orientation or acceleration/deceleration and device 800.Sensor cluster 814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 816 is configured to the communication being convenient to wired or wireless mode between device 800 and other equipment.Device 800 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 816 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 816 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 800 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 804 of instruction, above-mentioned instruction can perform said method by the processor 820 of device 800.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor taking multimedia terminal, make to take the transmission method that multimedia terminal can perform a kind of multi-medium data, described method comprises:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
Optionally, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after described low delay coding is embedded in low delay wirelessly transmitting data and transmits.
Optionally, described method also comprises:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Optionally, described low delay coding is carried out to former multi-medium data, comprising:
Adopt VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode are encoded to former multi-medium data.
Optionally, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after being encoded by low delay transmits with DVB-T pattern or DTM-B pattern.
The present invention also provides a kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor receiving multimedia terminal, make to receive the transmission method that multimedia terminal can perform a kind of multi-medium data, described method comprises:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.Those skilled in the art, at consideration specification and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the present invention or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (19)
1. a transmission method for multi-medium data, is characterized in that, comprising:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after described low delay coding is transmitted with low delay wireless communication mode.
2. method according to claim 1, is characterized in that, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after described low delay coding is embedded in low delay wirelessly transmitting data and transmits.
3. method according to claim 1, is characterized in that, described method also comprises:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
4. the method according to any one of claim 1-3, is characterized in that, describedly carries out low delay coding to former multi-medium data, comprising:
Adopt VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode are encoded to former multi-medium data.
5. the method according to any one of claim 1-3, is characterized in that, described by low delay encode after multi-medium data transmit with low delay wireless communication mode, comprising:
Multi-medium data after being encoded by low delay transmits with DVB-T pattern or DTM-B pattern.
6. method according to claim 1, is characterized in that, comprising:
Former multi-medium data is encoded, obtains the multi-medium data of VC-2 form;
The multi-medium data of VC-2 form is converted to the multi-medium data of DVB-T form, and the multi-medium data of described DVB-T form is transmitted by wireless or cable.
7. method according to claim 6, is characterized in that, also comprises:
Receive the multi-medium data of described DVB-T form;
The multi-medium data of described DVB-T form is converted to the multi-medium data of VC-2 form;
The multi-medium data of described VC-2 form is decoded.
8. method according to claim 6, is characterized in that, the multi-medium data of described VC-2 form comprises multiple VC-2 packet, and the described multi-medium data by VC-2 form is converted to the multi-medium data of DVB-T form, comprising:
Before each VC-2 packet, add synchronous SYNC signal, obtain the multi-medium data of DVB-T form.
9. method according to claim 7, is characterized in that, the described multi-medium data by DVB-T form is converted to the multi-medium data of VC-2 form, comprising:
Remove the SYNC signal in the multi-medium data of described DVB-T form, obtain described VC-2 packet;
The multi-medium data of described VC-2 form is decoded.
10. method according to claim 9, is characterized in that, decodes, comprising the multi-medium data of described VC-2 form:
Feature frame head is searched from described VC-2 packet;
Described feature frame head is resolved, determines that whether the multi-medium data after changing is the multi-medium data of VC-2 form;
When determining the multi-medium data that the multi-medium data after described conversion is VC-2 form, described VC-2 packet is decoded.
The transmitting device of 11. 1 kinds of multi-medium datas, is characterized in that, comprising:
Coding module, for carrying out low delay coding to former multi-medium data;
Transport module, transmits with low delay wireless communication mode for the multi-medium data after being encoded by low delay.
12. devices according to claim 11, is characterized in that,
Described transport module, transmits for being embedded in low delay wirelessly transmitting data by the multi-medium data after described low delay coding.
13. devices according to claim 11, is characterized in that, this device also comprises:
Receiver module, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
14. devices according to any one of claim 11-13, is characterized in that, described coding module, encoding for adopting VC-2 pattern, H.264 low-delay mode, H.265 low-delay mode or AVC low-delay mode to former multi-medium data.
15. devices according to any one of claim 11-13, is characterized in that, described transport module, transmit with DVB-T pattern or DTM-B pattern for the multi-medium data after being encoded by low delay.
The transmission method of 16. 1 kinds of multi-medium datas, is characterized in that, comprising:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
The transmitting device of 17. 1 kinds of multi-medium datas, is characterized in that, comprising:
Receiver module, for receiving with the multi-medium data of low delay wireless communication mode transmission;
Decoder module, for described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
The transmitting device of 18. 1 kinds of multi-medium datas, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Low delay coding is carried out to former multi-medium data;
Multi-medium data after being encoded by low delay transmits with low delay wireless communication mode.
The transmitting device of 19. 1 kinds of multi-medium datas, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Receive with the multi-medium data of low delay wireless communication mode transmission;
Described multi-medium data is carried out low delay decoding, obtains former multi-medium data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010188.2A CN104717516A (en) | 2015-01-08 | 2015-01-08 | Method and device for transmitting multimedia data |
Applications Claiming Priority (1)
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Application publication date: 20150617 |