CN207802170U - A kind of multi-path HDMI interfaces codec terminal system - Google Patents
A kind of multi-path HDMI interfaces codec terminal system Download PDFInfo
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- CN207802170U CN207802170U CN201820177755.2U CN201820177755U CN207802170U CN 207802170 U CN207802170 U CN 207802170U CN 201820177755 U CN201820177755 U CN 201820177755U CN 207802170 U CN207802170 U CN 207802170U
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Abstract
The utility model discloses a kind of multi-path HDMI interfaces codec terminal system, including central controller unit, audio and video unit and network element；Central controller unit includes central processing unit, audio and video unit includes audio-frequency module, HDMI2 output interfaces, the HDMI transmitters being connect with HDMI2 output interfaces, HDMI1 output interfaces, USB interface, HDMI input interfaces and the HDMI receiver being connect with HDMI1 output interfaces, and audio-frequency module, HDMI transmitters, HDMI1 output interfaces, USB interface, HDMI receiver are connected with central processing unit respectively；Network element includes USB HUB, WiFi module, 4G modules, network PHY 1 and network PHY 2, and two USB interfaces of USB HUB are connected with WiFi module and 4G modules respectively, and USB HUB, network PHY 1, network PHY 2 are connected with central processing unit respectively.The utility model supports two-way HMDI decodings output and all the way HDMI coding inputs, has the characteristics that strong coding/decoding capability, multiple network decoding transmission and a variety of auxiliary sexual functions, improves the effect of monitoring safety-security area encoding and decoding.
Description
Technical field
The utility model belongs to technical field of communication equipment, is related to a kind of multi-path HDMI interfaces codec terminal system
System.
Background technology
HDMI is the abbreviation of (High Definition Multimedia Interface), means the more matchmakers of fine definition
Body interface is a kind of digitized video/audio interface technology, is suitble to the tailored version digital interface of image transmission, can pass simultaneously
It is 48Gbps to send audio and video signal, the maximum data transmission speed, and HDMI can be with number in the case where ensureing high-quality
Form transmits uncompressed high-resolution video and multichannel audb data.
HDMI can support all ATSC HDTV standards, can not only meet the resolution ratio of high image quality 1080p, may be used also
To support the state-of-the-art digital audio format such as DVDAudio, Eight-channel 96kHz or stereo 192kHz digital audios is supported to keep pouring in
It passs, and is only connected with a HDMI wire, can be used for exempting digital audio wiring.At the same time, HDMI standard has
Additional extension space, it allows to apply in the format of the audio or video upgraded in the future.Compared with DVI, the body of HDMI interface
Product smaller and support simultaneous transmission audio and vision signal.
HDMI is integrated with video and audio transmission, and interface is small, and flexibility and convenience are more advantageous, HDMI
Interface only just solves two kinds of outputs with a line, enormously simplifies the line of equipment.Currently, HDMI signals mostly use greatly HDMI
Cable transmission has that the coding way of output is single and decoding effect is poor, cannot be satisfied the demand of equipment.
Utility model content
A kind of multi-path HDMI interfaces codec terminal system provided by the utility model, solves the decoding of codec
The problem that the way of output is single and decoding effect is poor, substantially increases the coding/decoding capability of codec terminal system.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of multi-path HDMI interfaces codec terminal system, including central controller unit, audio and video unit, network list
Member and GU Generic Unit；
The central controller unit includes central processing unit, DDR3 and SPI FLASH, and central processing unit passes through respectively
DDR controller and SPI interface are connect with DDR3 and SPI FLASH；
The audio and video unit includes audio-frequency module, HDMI2 output interfaces, HDMI transmitters, HDMI1 output interfaces, VGA
Interface, HDMI input interfaces and HDMI receiver, the HDMI2 output interfaces are connected with HDMI transmitters, the HDMI inputs
Interface is connected with HDMI receiver, the audio-frequency module, HDMI transmitters, HDMI1 output interfaces, USB interface, HDMI receiver
It is connect respectively with AUDIO CODEC interfaces, VO interfaces, HDMI interface, USB interface, the VI interface in central processing unit；
The network element includes USB HUB, WiFi module, 4G modules, network PHY 1 and network PHY 2, the USB
HUB extends two USB interfaces, and described two USB interfaces are connected with WiFi module and 4G modules respectively, USB HUB, network
PHY1, network PHY 2 are connected by USB2.0, GMAC1, GMAC2 interface with central processing unit respectively.
Further, the GU Generic Unit includes 485 interfaces, reset button, SATA hard disc, power interface, and described 485 connect
Mouth, reset button, SATA hard disc are connected by 485 interfaces, GPIO interface, SATA3.0 interfaces with central processing unit respectively.
Further, the central processing unit is Hi3536 processors.
Further, the HDMI transmitters are SI9024 decoding chips, and the HDMI receiver is that LT8815 encodes core
Piece.
The beneficial effects of the utility model：
Multi-path HDMI interfaces codec terminal system provided by the utility model shows video using more HDMI interface,
It is powerful to meet 16 road 1080P videos decoding output of maximum support, while supporting high definition coding input and output, have and compiles
The characteristics of decoding capability is strong, multiple network decoding is transmitted and a variety of auxiliary sexual functions substantially increases monitoring safety-security area and compiles
Decoded effect.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of schematic diagram of multi-path HDMI interfaces codec terminal system in the utility model；
In attached drawing, parts list represented by the reference numerals are as follows：
1- central processing units, 2-DDR3,3-SPI FLASH, 4-485 interfaces, 5- reset button, 6-USB HUB, 7-WiFi
Module, 8-4G modules, 9-SATA hard disks, 10- audio-frequency modules, 11-HDMI2 output interfaces, 12-HDMI transmitters, 13-HDMI1
Output interface, 14-VGA interfaces, 15-HDMI input interfaces, 16-HDMI receivers, 17- power interfaces, 18- network PHYs 1,19-
Network PHY 2.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of multi-path HDMI interfaces codec terminal system, including central controller unit, sound
Video unit, network element and GU Generic Unit；Central controller unit includes central processing unit 1, DDR32, SPI FLASH 3,
Central processing unit 1 is connect by DDR controller and SPI interface with DDR32 and SPI FLASH 3 respectively；
Audio and video unit includes audio-frequency module 10, HDMI2 output interfaces 11, HDMI transmitters 12, HDMI1 output interfaces
13, USB interface 14, HDMI input interfaces 15, HDMI receiver 16,12 phase of the HDMI2 output interfaces 11 and HDMI transmitters
Even, HDMI input interfaces 15 are connected with HDMI receiver 16, the audio-frequency module 10, HDMI transmitters 12, HDMI1 output interfaces
13, USB interface 14, HDMI receiver 16 connect with AUDIO CODEC interfaces, VO interfaces, the HDMI on central processing unit 1 respectively
Mouth, USB interface, the connection of VI interfaces；
Network element includes USB HUB 6, WiFi module 7,4G modules 8, network PHY 118, network PHY 219, the USB
HUB 6 extends two USB interfaces, and described two USB interfaces are connected with WiFi module 7 and 4G modules 8 respectively, USB HUB 6, net
Network PHY118, network PHY 219 are connected by USB2.0 interfaces, GMAC1 interfaces, GMAC2 interfaces with central processing unit 1 respectively；
GU Generic Unit includes 485 interfaces 4, reset button 5, SATA hard disc 9, power interface 17, and 485 interface resets
Button, SATA hard disc are connected by 485, GPIO, SATA3.0 interface with central processing unit 1 respectively, wherein SATA hard disc 9 is used for
Real-time storage encoding and decoding video, reset button 5 carry out factory reset and reset to operate for terminal system.
Wherein, central processing unit 1 uses Hi3536 processors；
The HDMI transmitters 12 use SI9024 decoding chips, the HDMI receiver 16 to encode core using LT8815
Piece.
The multi-path HDMI interfaces codec terminal can by WiFi, 4G network, cable-network transmission encoding and decoding video,
And it is connected with center monitoring platform, real-time display encoding and decoding video.
HDMI signals are converted by the external HDMI video source of codec terminal or HDMI cameras through HDMI receiver 16
BT1120 signals, the BT1120 signals of conversion by the central processing unit Video coding VI units that are connect with HDMI receiver 16 into
Row video compression coding, the video after compressed encoding, to center monitoring platform, are carried out by cable network or wireless network transmissions
It monitors video in real time, and then realizes video HDMI input codings.
Central platform client by network video source by network transmission to central processing unit 1, central processing unit 1 is to network
Video source is decoded, decoded video can be by the decoding display of 3 approach, first approach by USB interface 14,
USB interface 14 connects VGA displays and is decoded display video；Second approach can pass through HDMI1 output interfaces 13, HDMI1
Output interface 13 connects HMDI displays and is decoded display video；Three approach is central processing unit 1 by decoding video source
VO units are exported by video and connect HDMI transmitters 12, and video BT1120 signals are converted to HDMI by HDMI transmitters 12 to be believed
Number, HDMI2 output interfaces 11 are sent to, HMDI displays are connect with HDMI2 output interfaces 11, are decoded display video, and three
Kind approach decoding display all supports solution code wheel to seek display video, and most bull wheel, which is sought, shows 16 road 1080P Internet videos.
The AUDIO CODEC of the central processing unit 1 are connected with audio-frequency module 10, form audio intercommunication all the way.
Multi-path HDMI interfaces codec terminal system provided by the utility model shows video using more HDMI interface,
It is powerful to meet 16 road 1080P videos decoding output of maximum support, while supporting high definition coding input and output, have and compiles
The characteristics of decoding capability is strong, multiple network decoding is transmitted and a variety of auxiliary sexual functions substantially increases monitoring safety-security area and compiles
Decoded effect.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of multi-path HDMI interfaces codec terminal system, it is characterised in that：Including central controller unit, audio and video list
Member, network element and GU Generic Unit；
The central controller unit includes central processing unit (1), DDR3 (2) and SPI FLASH (3), central processing unit (1) point
It is not connect with DDR3 (2) and SPI FLASH (3) by DDR controller and SPI interface；
The audio and video unit includes audio-frequency module (10), HDMI2 output interfaces (11), HDMI transmitters (12), HDMI1 outputs
Interface (13), USB interface (14), HDMI input interfaces (15) and HDMI receiver (16), the HDMI2 output interfaces (11) and
HDMI transmitters (12) are connected, and the HDMI input interfaces (15) are connected with HDMI receiver (16), the audio-frequency module (10),
HDMI transmitters (12), HDMI1 output interfaces (13), USB interface (14), HDMI receiver (16) respectively with central processing unit
(1) AUDIO CODEC interfaces, VO interfaces, HDMI interface, USB interface, the connection of VI interfaces on；
The network element includes USB HUB (6), WiFi module (7), 4G modules (8), network PHY 1 (18) and network PHY 2
(19), the USB HUB (6) extend two USB interfaces, described two USB interfaces respectively with WiFi module (7) and 4G modules
(8) be connected, USB HUB (6), network PHY 1 (18), network PHY 2 (19) respectively by USB2.0, GMAC1, GMAC2 interface with
Central processing unit (1) is connected.
2. a kind of multi-path HDMI interfaces codec terminal system according to claim 1, it is characterised in that：It is described general
Unit include 485 interfaces (4), reset button (5), SATA hard disc (9), power interface (17), 485 interface, reset button,
SATA hard disc is connected by 485, GPIO, SATA3.0 interface with central processing unit (1) respectively.
3. a kind of multi-path HDMI interfaces codec terminal system according to claim 1, it is characterised in that：The center
Processor (1) is Hi3536 processors.
4. a kind of multi-path HDMI interfaces codec terminal system according to claim 1, it is characterised in that：The HDMI
Transmitter (12) is SI9024 decoding chips, and the HDMI receiver (16) is LT8815 coding chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177755.2U CN207802170U (en) | 2018-02-01 | 2018-02-01 | A kind of multi-path HDMI interfaces codec terminal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177755.2U CN207802170U (en) | 2018-02-01 | 2018-02-01 | A kind of multi-path HDMI interfaces codec terminal system |
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| Publication Number | Publication Date |
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| CN207802170U true CN207802170U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089084A (en) * | 2018-09-20 | 2018-12-25 | 北京计算机技术及应用研究所 | Video line transmits online data and extracts and stealthy storage control device and its working method |
-
2018
- 2018-02-01 CN CN201820177755.2U patent/CN207802170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089084A (en) * | 2018-09-20 | 2018-12-25 | 北京计算机技术及应用研究所 | Video line transmits online data and extracts and stealthy storage control device and its working method |
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