CN209330214U - The presentation-guiding device of multichannel live streaming - Google Patents
The presentation-guiding device of multichannel live streaming Download PDFInfo
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- CN209330214U CN209330214U CN201920041962.XU CN201920041962U CN209330214U CN 209330214 U CN209330214 U CN 209330214U CN 201920041962 U CN201920041962 U CN 201920041962U CN 209330214 U CN209330214 U CN 209330214U
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Abstract
The utility model discloses a kind of presentation-guiding devices of multichannel live streaming, including shell and setting are in the intracorporal first HDMI conversion module of shell, the 2nd HDMI conversion module, Audio conversion switch, processor and output interface；It is converted by the audio, video data that the built-in circuit of two HDMI conversion modules inputs external two-way HDMI signal source, obtains corresponding first picture signal and the first audio signal and the second picture signal and the second audio signal；Audio conversion switch is connect with the dsp controller of processor, for switching over input to the first audio signal and the second audio signal；Processor carries out audio-video signal processing to the first picture signal of the first ISP interface, the second picture signal of the 2nd ISP interface and received first audio signal of dsp controller and the second audio signal according to preset instructions；Output interface is used to export audio-video signal final after processing to external display device.The utility model can reduce the operand of processor, to improve treatment effeciency.
Description
Technical field
The utility model relates to the presentation-guiding devices that video process apparatus technical field more particularly to a kind of multichannel are broadcast live.
Background technique
With the fast development of direct seeding technique, requirement of the people to live streaming is higher and higher.It is frequently necessary to believe multi-channel video
It number is broadcast live, but the presentation-guiding device of existing miniaturization, directly convert using video of the processor to input and phase
Video processing is closed, causes processor operand big, causes treatment effeciency low, instructor in broadcasting's mass is poor.
Utility model content
The presentation-guiding device of multichannel live streaming provided by the utility model, main purpose are to overcome the instructor in broadcasting of existing miniaturization
The processor operand of device is big, causes the problem that treatment effeciency is low.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of presentation-guiding device of multichannel live streaming, including shell, the first HDMI conversion module, the 2nd HDMI conversion module, sound
Frequency switching switch, processor and output interface；
The first HDMI conversion module, setting on the housing, respectively with the first ISP interface of the processor and
Audio conversion switch connection, for receiving the first audio, video data of external first via HDMI signal source, and utilizes built-in circuit
First audio, video data is carried out being converted to the first picture signal and the first audio signal；
The 2nd HDMI conversion module, setting on the housing, respectively with the 2nd ISP interface of the processor and
Audio conversion switch connection, for receiving the second audio, video data of external second road HDMI signal source, and utilizes built-in circuit
Second audio, video data is carried out being converted to the second picture signal and the second audio signal；
Audio conversion switch, is arranged in the shell, connect with the dsp controller of the processor, is used for pair
First audio signal and the second audio signal switch over input；
The processor is arranged in the shell, connect with the output interface port, for according to preset instructions pair
The first picture signal, the second picture signal and dsp controller of the 2nd ISP interface of the first ISP interface
Received first audio signal and the second audio signal carry out audio-video signal processing, obtain audio-video signal；
The output interface is arranged on the housing, for audio-video signal final after handling the processor
It exports to external display device.
As an embodiment, the first HDMI conversion module includes that HDMI turns Mipi bridging chip and its periphery
Circuit.
As an embodiment, the 2nd HDMI conversion module includes that HDMI turns Mipi bridging chip and its periphery
Circuit.
As an embodiment, the HDMI of the first HDMI conversion module turns Mipi bridging chip and second
The model that the HDMI of HDMI conversion module turns Mipi bridging chip is identical, is TC358840XBG.
As an embodiment, the presentation-guiding device of multichannel live streaming provided by the utility model further includes USB controller；
The USB controller, setting on the housing with, be connected to the processor, be used for and external USB video
Signal source connection carries out the reception of USB audio, video data.
As an embodiment, the presentation-guiding device of multichannel live streaming provided by the utility model further includes wireless telecommunications mould
Block；
The wireless communication module, setting on the housing, are connected to the processor, for passing through the channel radio
News module allows the processor and external server to carry out data interaction.
As an embodiment, the wireless communication module is wifi communication module, 3G communication module and 4G logical
Interrogate one or more of module.
As an embodiment, the presentation-guiding device of multichannel live streaming provided by the utility model further includes memory module；
The memory module, setting on the housing, are connected to the processor by the SD interface of the processor,
For being stored to audio-video signal final after processing.
As an embodiment, the output interface be USB host interface, USB turn Ethernet interface and
One or more of type-c interface.
As an embodiment, the presentation-guiding device of multichannel live streaming provided by the utility model further includes the 3rd HDMI
Conversion module；
The 3rd HDMI conversion module is connect with the DSI interface, compatible for being converted to audio-video signal
HDMI is output to the output that external-connection displayer completes HDMI.
Compared with prior art, the technical program has the advantage that
The presentation-guiding device of multichannel live streaming provided by the utility model, passes through two HDMI conversion modules being arranged on shell
Built-in circuit audio, video data that external two-way HDMI signal source is inputted convert, obtain corresponding picture signal and sound
Frequency signal；Audio signal is transferred to processor by Audio conversion switch, and picture signal is transferred directly to processor；?
Picture signal and audio signal export by output interface to external show after audio-video signal processing setting in processor
It is standby.Setting HDMI conversion module and Audio conversion before processor switch to realize picture signal and audio signal two parts
Pretreatment, so that the operand of processor is reduced, to improve treatment effeciency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the presentation-guiding device for the multichannel live streaming that the utility model embodiment one provides；
Fig. 2 is the circuit diagram of memory module in Fig. 1；
Fig. 3 is the circuit diagram of the 3rd HDMI conversion module.
In figure: 1, the first HDMI conversion module；2, the 2nd HDMI conversion module；3, Audio conversion switchs；4, processor；5,
Output interface；6, USB controller；7, wireless communication module；8, memory module.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are carried out clearly and completely
Description, it is clear that described embodiment is only the section Example of the utility model, rather than whole embodiments.
Please refer to Fig. 1 and Fig. 2, the presentation-guiding device for the multichannel live streaming that the utility model embodiment one provides, including shell, the
One HDMI conversion module 1, the 2nd HDMI conversion module 2, Audio conversion switch 3, processor 4 and output interface 5；First HDMI
Conversion module 1 is arranged on shell, connect respectively with the first ISP interface and Audio conversion switch 3 of processor 4, for receiving
First audio, video data of external first via HDMI signal source, and the first audio, video data convert using built-in circuit
To the first picture signal and the first audio signal；2nd HDMI conversion module 2 is arranged on shell, respectively with the of processor 4
Two ISP interfaces and Audio conversion switch 3 connect, for receiving the second audio, video data of external second road HDMI signal source, and
The second audio, video data is carried out using built-in circuit to be converted to the second picture signal and the second audio signal；Audio conversion is opened
Close 3, be arranged in shell, connect with the dsp controller of processor 4, be used for the first audio signal and the second audio signal into
Row switching input；Processor 4 is arranged in shell, connect with 5 port of output interface, is used for according to preset instructions to the first ISP
First picture signal of interface, the second picture signal of the 2nd ISP interface and received first sound of dsp controller
Frequency signal and the second audio signal carry out audio-video signal processing, obtain audio-video signal；Output interface 5 is arranged on shell,
For exporting audio-video signal final after the processing of processor 4 to external display device.
It should be noted that the first HDMI conversion module 1, the 2nd HDMI conversion module 2, Audio conversion switch 3, processor
4 and output interface 5 be respectively provided in the housing, shell can be made of the materials of plastics, can also be made of metal material.
The presentation-guiding device of the multichannel live streaming of the utility model is an intermediate device, is arranged at least two-way external signal output equipment
Between display equipment；It can receive the audio, video data of at least two-way external signal output equipment output.In this present embodiment,
First HDMI conversion module 1 and the 2nd HDMI conversion module 2 are identical modules, and difference is that the position being arranged is different.It is
It is connect respectively with mutually independent external HDMI signal source, i.e., is inputted separately as audio-video route all the way.And it can match
Audio conversion switch 3 is closed to make that at least instructor in broadcasting can be carried out to two-way audio-video signal.External display device can be Android system
The equipment that the equipment of system is also possible to IOS system.If it is the equipment of Android system, then the Audio of Android can be passed through
Api interface reads vision signal.
In the first HDMI conversion module 1 and the 2nd HDMI conversion module 2, all conversion process are all based on circuit reality
Existing.I.e. the built-in circuit of the first HDMI conversion module 1 and the 2nd HDMI conversion module 2 is just that HDMI turns Mipi bridging chip
And its peripheral circuit.That is the first HDMI conversion module 1 includes that HDMI turns Mipi bridging chip and its peripheral circuit.2nd HDMI turns
Mold changing block 2 includes that HDMI turns Mipi bridging chip and its peripheral circuit.And the first HDMI conversion module 1 HDMI turn Mipi bridge joint
The model that the HDMI of chip and the 2nd HDMI conversion module 2 turns Mipi bridging chip is identical, is TC358840XBG.It can be with
4K ultra high-definition (3840x2160) (and following) video flowing is split as left images, then from binary channels MIPI (registered trademark)
The output of CSI-2 interface.It needs dual link data channel, and to send maximum 7.2Gbps vision signal, vision signal is passed through
ISP interface is transmitted to processor 4 and carries out audio-video signal processing to it, and the audio signal obtained after being converted by bridging chip is logical
DSP interface access processor 4 is crossed, upper layer application can be read by Android AudioAPI.
Preset instructions in processor 4 are arranged previously according to instructor in broadcasting's demand, can be generated according to the demand of instructor in broadcasting
Instruction carrys out received first audio of the second picture signal and dsp controller to the first picture signal, the 2nd ISP interface
Signal and the second audio signal carry out audio-video signal processing, the most important work of processor 4 namely carries out horizontal splicing with
The content of instructor in broadcasting.The first HDMI conversion module 1, the 2nd HDMI conversion module that the pretreatment of audio, video data is all arranged in front
2 and Audio conversion switch 3 in carry out so that the utility model video-photographic equipment is connect with this equipment after can be achieved delay
Low net cast.
The presentation-guiding device of multichannel live streaming provided by the utility model, passes through two HDMI conversion modules being arranged on shell
Built-in circuit audio, video data that external two-way HDMI signal source is inputted convert, obtain corresponding picture signal and sound
Frequency signal；Audio signal is transferred to processor 4 by Audio conversion switch 3, and picture signal is transferred directly to processor
4；Pass through the output of output interface 5 to outside after carrying out audio-video signal processing to picture signal and audio signal in processor 4
Show equipment.Setting HDMI conversion module and Audio conversion switch 3 before processor 4 realize picture signal and audio letter
Number two-part pretreatment, so that the operand of processor 4 is reduced, to improve treatment effeciency.
Further, the presentation-guiding device of multichannel live streaming provided by the utility model further includes USB controller 6；USB controller
6, it is arranged on shell and is connect with processor 4, carry out USB audio, video data for connecting with external USB video signal source
It receives.That is processor 4 can not only the audio, video data to HDMI signal source carry out processing instructor in broadcasting, additionally it is possible to USB
The audio, video data of video signal source is handled.I.e. the utility model the sound to three road external video signal sources can regard simultaneously
Frequency is according to instructor in broadcasting is carried out, and without adding instructor in broadcasting's platform, reduces live streaming cost.It, can also be to outside in other embodiments
The network audio-video data in network signal source carry out processing instructor in broadcasting, can satisfy the application of some complex scenes.
Further, the presentation-guiding device of multichannel live streaming provided by the utility model further includes wireless communication module 7；Channel radio
It interrogates module 7 to be arranged on shell, connect with processor 4, allow processor 4 and external server for passing through wireless communication module 7
Carry out data interaction.Wireless communication module 7 be one of wifi communication module, 3G communication module and 4G communication module or
It is several.So that supporting multiple network connection type, wifi, 3G and 4G communication modes are supported.It certainly, can in other embodiments
Wired communication module is arranged, so that supporting wire communication mode.
As shown in Fig. 2, be the circuit diagram of memory module 8, the presentation-guiding device of multichannel live streaming provided by the utility model
It further include memory module 8；Memory module 8 is arranged on shell, is connect, is used for processor 4 by the SD interface of processor 4
Audio-video signal final after processing is stored.Middle memory module 8 can be SD card in this present embodiment, and pin is fixed
Justice such as the following table 1；
Table 1:
All units provide clock by internal clock generator in SD card, the synchronous external clock of interface driver unit
Clock used in DAT and cmd signal to inside.It is controlled by 6 line SD card interfaces, comprising: CMD, CLK, DAT0-DAT3.In other
In embodiment, in order to identify SD card, need a card marker register (CID) and an appropriate address register (RCA) preparatory
It is ready to.Needing an additional register includes different type operating parameter.It is still deposited using SD card line access memory
The communication of device is defined by SD card standard.The recording function of access video may be implemented by SD card, directly by video content, storage
To SD.
Further, in order to extend output function, make it possible to connect with multi-class device, output interface 5 is USB host
Interface, USB turn one or more of Ethernet interface and type-c interface.
In one embodiment, when output interface 5 is DSI interface, the 3rd HDMI conversion module can be set again.3rd HDMI
Conversion module is connect with DSI interface, is output to external-connection displayer completion for audio-video signal to be converted to compatible HDMI
The output of HDMI.
As shown in figure 3, being the circuit diagram of the 3rd HDMI conversion module.3rd HDMI conversion module and the first HDMI
Conversion module 1 and the 2nd HDMI conversion module 2 are identical, and turn Mipi bridging chip and its peripheral circuit realization using HDMI.
But its model HDMI_ATOM-A03623, it is different from the first HDMI conversion module 1 and the 2nd HDMI conversion module 2.It should
Chip is worked by 1.8V power supply power supply, is worked in the pixel clock of 25MHz to 154MHz, and is provided with optional S/
The HDMI/MHL data output of PDIF or the input of 2 channel I2S serial audios, while the chip has 2 channel I2S of high-fidelity can
To send the stereo up to sample rate of 192kHz.S/PDIF can carry stereo LPCM audio or compression audio, for not
With external reception equipment (different displays) selectivity by decoded MIPI (registered trademark) DSI 18bpp
RGB666 and 24bpp RGB888 data packet is formatted, and audio, video data is finally converted to compatible HDMI and is output to
The output function of external-connection displayer completion HDMI.
Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model
What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and
Modification, belongs to the protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of presentation-guiding device of multichannel live streaming, which is characterized in that turn including shell, the first HDMI conversion module, the 2nd HDMI
Change the mold block, Audio conversion switch, processor and output interface；
The first HDMI conversion module, setting on the housing, respectively with the first ISP interface and audio of the processor
Switching switch connection, for receiving the first audio, video data of external first via HDMI signal source, and using built-in circuit to institute
The first audio, video data is stated to carry out being converted to the first picture signal and the first audio signal；
The 2nd HDMI conversion module, setting on the housing, respectively with the 2nd ISP interface and audio of the processor
Switching switch connection, for receiving the second audio, video data of external second road HDMI signal source, and using built-in circuit to institute
The second audio, video data is stated to carry out being converted to the second picture signal and the second audio signal；
The Audio conversion switch, is arranged in the shell, connect with the dsp controller of the processor, for described
First audio signal and the second audio signal switch over input；
The processor is arranged in the shell, connect with the output interface port, is used for according to preset instructions to described
First picture signal of the first ISP interface, the second picture signal of the 2nd ISP interface and dsp controller receive
The first audio signal and the second audio signal carry out audio-video signal processing, obtain audio-video signal；
The output interface, setting on the housing, are exported for audio-video signal final after handling the processor
To external display device.
2. the presentation-guiding device of multichannel as described in claim 1 live streaming, which is characterized in that the first HDMI conversion module includes
HDMI turns Mipi bridging chip and its peripheral circuit.
3. the presentation-guiding device of multichannel as claimed in claim 2 live streaming, which is characterized in that the 2nd HDMI conversion module includes
HDMI turns Mipi bridging chip and its peripheral circuit.
4. the presentation-guiding device of multichannel live streaming as claimed in claim 3, which is characterized in that the first HDMI conversion module
The model that the HDMI that HDMI turns Mipi bridging chip and the 2nd HDMI conversion module turns Mipi bridging chip is identical, is
TC358840XBG。
5. the presentation-guiding device of multichannel live streaming according to any one of claims 1-4, which is characterized in that further include USB controller；
The USB controller, setting on the housing with, be connected to the processor, be used for and external USB video signal source
Connection carries out the reception of USB audio, video data.
6. the presentation-guiding device of multichannel live streaming as claimed in claim 5, which is characterized in that further include wireless communication module；
The wireless communication module, setting on the housing, are connected to the processor, for passing through the wireless telecommunications mould
Block allows the processor and external server to carry out data interaction.
7. the presentation-guiding device of multichannel live streaming as claimed in claim 6, which is characterized in that the wireless communication module is logical for wifi
Interrogate one or more of module, 3G communication module and 4G communication module.
8. the presentation-guiding device of multichannel live streaming as claimed in claim 5, which is characterized in that further include memory module；
The memory module, setting on the housing, are connected to the processor by the SD interface of the processor, are used for
Audio-video signal final after processing is stored.
9. the presentation-guiding device of multichannel live streaming as claimed in claim 5, which is characterized in that the output interface connects for usb host
Mouth, USB turn one or more of Ethernet interface and type-c interface.
10. the presentation-guiding device of multichannel live streaming as claimed in claim 9, which is characterized in that further include the 3rd HDMI conversion module；
The 3rd HDMI conversion module, connect with DSI interface, is output to for audio-video signal to be converted to compatible HDMI
The output of external-connection displayer completion HDMI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041962.XU CN209330214U (en) | 2019-01-10 | 2019-01-10 | The presentation-guiding device of multichannel live streaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041962.XU CN209330214U (en) | 2019-01-10 | 2019-01-10 | The presentation-guiding device of multichannel live streaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330214U true CN209330214U (en) | 2019-08-30 |
Family
ID=67730971
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920041962.XU Withdrawn - After Issue CN209330214U (en) | 2019-01-10 | 2019-01-10 | The presentation-guiding device of multichannel live streaming |
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| CN (1) | CN209330214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743475A (en) * | 2019-01-10 | 2019-05-10 | 杭州星犀科技有限公司 | The presentation-guiding device of multichannel live streaming |
-
2019
- 2019-01-10 CN CN201920041962.XU patent/CN209330214U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743475A (en) * | 2019-01-10 | 2019-05-10 | 杭州星犀科技有限公司 | The presentation-guiding device of multichannel live streaming |
| CN109743475B (en) * | 2019-01-10 | 2023-12-12 | 杭州星犀科技有限公司 | Guide broadcasting device for multipath live broadcasting |
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