CN207457773U - Digital audio/video monitoring device - Google Patents
Digital audio/video monitoring device Download PDFInfo
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- CN207457773U CN207457773U CN201721568961.8U CN201721568961U CN207457773U CN 207457773 U CN207457773 U CN 207457773U CN 201721568961 U CN201721568961 U CN 201721568961U CN 207457773 U CN207457773 U CN 207457773U
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Abstract
The utility model discloses a kind of digital audio/video monitoring device, including：Audio and video input unit, signal processing apparatus, memory, control device, output device and power module, wherein, the signal processing apparatus includes digitized processing chip and Digital Signals chip, and the Digital Signals chip uses field programmable gate array chip, the audio and video input unit is connected by the digitized processing chip and Digital Signals chip with the memory, the control device is connected respectively with the memory and output device, the power module is the audio and video input unit, signal processing apparatus, memory, control device and output device power supply.The utility model uses field programmable gate array chip, has the characteristics that very strong flexibility, high speed, high reliability, construction cycle are short, and can be programmed according to the needs at scene, is erasable multiple, thus with great convenience property, versatility is good.
Description
Technical field
The utility model is related to network and data communication field, more particularly to a kind of digital audio/video monitoring device.
Background technology
In recent years, the development with communication transmission technology and maturation, audio video transmission technology have been used to the daily life of people
Various aspects living.Monitoring system is generally made of monitoring device and control terminal two parts.Monitoring device refers generally to be arranged on institute
Need the camera of monitoring area.Control terminal is usually then to receive the monitor for the captured image that monitoring device is sent.Two
Person generally realizes the transmission of audio-video signal by certain communication network.In existing monitoring technology, the storage of audio and video and broadcast
Many defects or shortcoming are placed with, it is asynchronous to have plenty of audio and video；It is not real-time to have plenty of acquisition process rate；Have plenty of not
Support multiple signals input；Have plenty of to cpu resource occupy it is larger, easily cause system in case of system halt；Some previews cannot be controlled；Have
Preview is delayed.Those skilled in the art are solved the above problems using DSP+ASIC structures.But the flexibility of DSP+ASIC structures and
Poor universality.
Utility model content
The utility model provides a kind of digital audio/video monitoring device, is asked with solving above-mentioned technology in the prior art
Topic.
In order to solve the above technical problems, the utility model provides a kind of digital audio/video monitoring device, including：Audio and video are defeated
Enter device, signal processing apparatus, memory, control device, output device and power module, wherein, the signal processing device
It puts including digitized processing chip and Digital Signals chip, and the Digital Signals chip uses field programmable gate
Array chip, the audio and video input unit pass through the digitized processing chip and Digital Signals chip and the storage
Device connects, and the control device is connected respectively with the memory and output device, and the power module is the audio and video
Input unit, signal processing apparatus, memory, control device and output device power supply.
Preferably, the audio and video input unit includes camera and microphone.
Preferably, the output device uses touch display screen.
Preferably, the digitized processing chip uses modulus conversion chip.
Preferably, the control device uses digital signal processing chip.
Preferably, the control device is also connected by pci bus with computer.
Preferably, the memory uses SDRAM and Flash.
Compared with prior art, the digital audio/video monitoring device of the utility model, including：Audio and video input unit, letter
Number processing unit, memory, control device, output device and power module, wherein, the signal processing apparatus includes number
Change processing chip and Digital Signals chip, and the Digital Signals chip uses field programmable gate array chip,
The audio and video input unit is connected by the digitized processing chip and Digital Signals chip with the memory, institute
Control device is stated to be connected respectively with the memory and output device, the power module for the audio and video input unit,
Signal processing apparatus, memory, control device and output device power supply.The utility model uses field programmable gate array core
Piece has the characteristics that very strong flexibility, high speed, high reliability, construction cycle are short, and can need to carry out according to scene
It programs, is erasable multiple, thus with great convenience property, versatility is good.
Description of the drawings
Fig. 1 is the structure diagram of the digital audio/video monitoring device of the utility model.
Shown in figure：1- audio and video input unit, 2- signal processing apparatus, 21- digitized processings chip, 22- number letters
Number control chip, 3- memories, 4- control devices, 5- output devices, 6- power modules.
Specific embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is using simplified form
And using non-accurate ratio, only to purpose that is convenient, lucidly aiding in illustrating the utility model embodiment.
As shown in Figure 1, the utility model provides a kind of digital audio/video monitoring device, including：Audio and video input unit 1,
Signal processing apparatus 2, memory 3, control device 4, output device 5 and power module 6.Wherein, the signal processing apparatus 2
Including digitized processing chip 21 and Digital Signals chip 22, and the Digital Signals chip 22 can be compiled using scene
Journey gate array (FPGA) chip, the audio and video input unit 1 pass through the digitized processing chip 21 and Digital Signals
Chip 22 is connected with the memory 3, and the control device 4 is connected respectively with the memory 3 and output device 5, described
Power module 6 supplies for the audio and video input unit 1, signal processing apparatus 2, memory 3, control device 4 and output device 5
Electricity.Specifically, the audio and video input unit 1 carries out audio-video signal extraction, and signal processing apparatus 2 believes the audio and video of input
It number carries out processing and is converted to digital signal, memory 3 stores the audio-video signal in processed monitoring place, the control
Device 4 processed can according to specific needs pre-process the audio-video signal of storage, extract related data, however filled via output
Put 5 broadcastings.The Digital Signals chip 22 of the utility model uses field programmable gate array chip, has very strong flexible
Property, high speed, high reliability, the short construction cycle the characteristics of, and can according to scene needs be programmed, it is erasable repeatedly,
Thus with great convenience property, versatility is good.
Preferably, the audio and video input unit 1 includes camera and microphone, the input of audio and video is realized.It is described
Output device 5 uses touch display screen, and user can recall required audio and video by touch display screen.
Further, the digitized processing chip 21 uses modulus conversion chip, can realize modulus signal conversion simultaneously
Synchronize processing.
Preferably, the control device 4 using digital signal processing chip (DSP), i.e. the utility model uses DSP+
The characteristics of FPGA structure, maximum is flexible structure, there is stronger versatility, suitable for modularized design, can improve algorithm effect
Rate, and it is small, light-weight, low in energy consumption, reliability is higher；Its construction cycle is shorter simultaneously, and system is easy to maintain and extends.
Preferably, the control device 4 is also connected by pci bus with computer, provided as interface for computer
Audio-video signal information.
Preferably, the memory 3 uses SDRAM and Flash, stored while realizing voice and video.
Further, the digital audio/video monitoring device of the utility model further includes reset chip, the reset chip with
Power module 6 connects, and circuit parameter is reconfigured for monitoring power voltage and when system work is abnormal.
In conclusion the digital audio/video monitoring device of the utility model, including：Audio and video input unit 1, signal processing
Device 2, memory 3, control device 4, output device 5 and power module 6.Wherein, the signal processing apparatus 2 includes number
Change processing chip 21 and Digital Signals chip 22, and the Digital Signals chip 22 uses field programmable gate array
(FPGA) chip, the audio and video input unit 1 by the digitized processing chip 21 and Digital Signals chip 22 with
The memory 3 connects, and the control device 4 is connected respectively with the memory 3 and output device 5, the power module 6
It powers for the audio and video input unit 1, signal processing apparatus 2, memory 3, control device 4 and output device 5.This practicality
It is new to use field programmable gate array chip, have the characteristics that very strong flexibility, high speed, high reliability, construction cycle are short,
And it can be programmed according to the needs at scene, is erasable multiple, thus with great convenience property, versatility is good.This reality
Also have the advantages that real-time, synchronism is high, flexible structure, versatile, efficiency of algorithm is high, stability is strong with new.
Obviously, it is new without departing from this practicality can to carry out utility model various modification and variations by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the utility model belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (7)
1. a kind of digital audio/video monitoring device, which is characterized in that including：Audio and video input unit, signal processing apparatus, storage
Device, control device, output device and power module, wherein, the signal processing apparatus includes digitized processing chip sum number
Word signal controls chip, and the Digital Signals chip is using field programmable gate array chip, the audio and video input
Device is connected by the digitized processing chip and Digital Signals chip with the memory, the control device and institute
It states memory and output device connects respectively, the power module is the audio and video input unit, signal processing apparatus, deposits
Reservoir, control device and output device power supply.
2. digital audio/video monitoring device as described in claim 1, which is characterized in that the audio and video input unit includes taking the photograph
As head and microphone.
3. digital audio/video monitoring device as described in claim 1, which is characterized in that the output device is shown using touch
Screen.
4. digital audio/video monitoring device as described in claim 1, which is characterized in that the digitized processing chip uses mould
Number conversion chip.
5. digital audio/video monitoring device as described in claim 1, which is characterized in that the control device uses digital signal
Processing chip.
6. digital audio/video monitoring device as claimed in claim 5, which is characterized in that the control device is also total by PCI
Line is connected with computer.
7. digital audio/video monitoring device as described in claim 1, which is characterized in that the memory using SDRAM and
Flash。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721568961.8U CN207457773U (en) | 2017-11-22 | 2017-11-22 | Digital audio/video monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721568961.8U CN207457773U (en) | 2017-11-22 | 2017-11-22 | Digital audio/video monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457773U true CN207457773U (en) | 2018-06-05 |
Family
ID=62277900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721568961.8U Active CN207457773U (en) | 2017-11-22 | 2017-11-22 | Digital audio/video monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457773U (en) |
-
2017
- 2017-11-22 CN CN201721568961.8U patent/CN207457773U/en active Active
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