CN104410822B - Video frequency monitoring method and vehicle-mounted video monitoring device - Google Patents

Video frequency monitoring method and vehicle-mounted video monitoring device Download PDF

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Publication number
CN104410822B
CN104410822B CN201410681698.8A CN201410681698A CN104410822B CN 104410822 B CN104410822 B CN 104410822B CN 201410681698 A CN201410681698 A CN 201410681698A CN 104410822 B CN104410822 B CN 104410822B
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China
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audio
video data
video
sent
image
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CN201410681698.8A
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CN104410822A (en
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庄少华
陈文明
江常杯
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深圳市华宝电子科技有限公司
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Abstract

The present invention is suitable for vehicular field, there is provided a kind of video frequency monitoring method and vehicle-mounted video monitoring device.The video frequency monitoring method includes:The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, the resolution ratio for the first image being made of first audio, video data is more than the resolution ratio for the second image being made of second audio, video data;When detecting ad hoc condition, second audio, video data is sent to designated terminal so that second image that user provides according to the designated terminal judges whether that triggering first sends instruction;When detecting the first transmission instruction, described first is sent part first audio, video data specified and sent to the designated terminal.So as to the clear checking monitoring scene from the part described first image high-resolution, interested obtained again.

Description

Video frequency monitoring method and vehicle-mounted video monitoring device

Technical field

The invention belongs to vehicular field, more particularly to a kind of video frequency monitoring method and vehicle-mounted video monitoring device.

Background technology

Vehicle-mounted video monitoring device, is the video monitoring equipment for aiming at vehicle-mounted security-monitoring domain design.It employs embedded Processor and embedded OS, combine newest H.264 audiovisual compression/decompression technique in IT field, the GPS whole world Location technology, 3G wireless communication techniques, usb communication technology, advanced car power management techniques, GIS geographical information technologies, are applicable in Monitored when all kinds of vehicles progress 24 is small.

At present, it is the quality that ensures video monitoring, the resolution ratio of acquired image is only very high during video monitoring;And hold Continuous ground writes high-resolution audio/video frames in storage device.When needing to browse the video in the storage medium, it is necessary to Set using Universal Serial Bus (Universal Serial Bus, usb) interface from the storage in vehicle-mounted video monitoring device Standby export audio, video data, or directly extract the storage device and copy the audio, video data of device storage.

The content of the invention

, can be in video monitoring it is an object of the invention to provide a kind of video frequency monitoring method and vehicle-mounted video monitoring device The audiovisual presentation of two kinds of different resolutions is generated at the same time, and the audiovisual presentation of low resolution is sent to designated terminal so that User tentatively finds out image interested, then obtains image high-resolution, interested.

In a first aspect, the present invention provides a kind of video frequency monitoring method, the video frequency monitoring method includes:

The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, by first audio, video data The resolution ratio of the first image formed is more than the resolution ratio for the second image being made of second audio, video data;

When detecting ad hoc condition, second audio, video data is sent to designated terminal so that user is according to described Second image that designated terminal provides judges whether that triggering first sends instruction;

When detecting the first transmission instruction, described first is sent part the first audio and video number specified According to transmission to the designated terminal.

Second aspect, the present invention provide a kind of vehicle-mounted video monitoring device, and the vehicle-mounted video monitoring device includes storage Module, control module and wireless communication module;

The control module is used for:The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, and Store first audio, video data and second audio, video data respectively in the memory module, regarded by first sound Frequency is more than the resolution ratio for the second image being made of second audio, video data according to the resolution ratio of the first image of composition;

The control module is additionally operable to:When detecting ad hoc condition, second audio, video data is exported to the nothing Line communication module;

The wireless communication module is used for:Second audio, video data that the control module is exported is sent to specified Terminal so that second image that user provides according to the designated terminal judges whether that triggering first sends instruction;

The control module is additionally operable to:When detecting the first transmission instruction, send what is specified by described first Part first audio, video data is exported to the wireless communication module;

The wireless communication module is additionally operable to:Part first audio, video data that the control module is exported is sent To the designated terminal.

Beneficial effects of the present invention:In video monitoring, collection can generate the audiovisual presentation of two kinds of different resolutions at the same time Audio, video data (including first audio, video data and the second audio and video number of (including the first image and second image) According to), second audio, video data of the second image for forming low resolution is sent to designated terminal so that user is from second Image tentatively finds out image interested, then is sending instruction corresponding acquisition high-resolution from the first image by first , image interested.So as to the clear checking monitoring scene from the image high-resolution, interested obtained again.

Brief description of the drawings

To describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description be only the present invention some Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these Attached drawing obtains other attached drawings.

Fig. 1 is the work flow diagram of video frequency monitoring method provided in an embodiment of the present invention;

Fig. 2 is a kind of optimized work flow figure of video frequency monitoring method provided in an embodiment of the present invention;

Fig. 3 is the composition structure of vehicle-mounted video monitoring device provided in an embodiment of the present invention;

Fig. 4 is a kind of optimization composition structure of vehicle-mounted video monitoring device provided in an embodiment of the present invention.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.

Vehicle-mounted video monitoring device described in the embodiment of the present invention, for carrying out video monitoring to vehicle and generating sound in real time Video data.

What deserves to be explained is video frequency monitoring method provided in an embodiment of the present invention, in vehicle-mounted video monitoring device to vehicle The audiovisual presentation of two kinds of different resolutions is generated when carrying out video monitoring at the same time.

As shown in Figure 1, basic steps generally three steps that video frequency monitoring method provided in an embodiment of the present invention includes, including Step A1, step A2 and step A3.

Step A1, the first audio, video data and the second audio, video data is gathered during video monitoring, by first sound at the same time The resolution ratio for the first image that video data is formed is more than the resolution ratio for the second image being made of second audio, video data. Wherein, the resolution ratio of the second image of resolution ratio of the first image is how many greatly, and the embodiment of the present invention does not limit;Preferably, The resolution ratio of the second image of resolution ratio of one image is several times greater, such as:2 times, 4 times or 8 times.

Vehicle-mounted video monitoring device described in the embodiment of the present invention, including memory module, control module and radio communication mold Block.The control module is electrically connected with the memory module and the wireless communication module respectively.

As the specific implementation of the control module, the embodiment of the present invention does not limit, and can use processor, list The circuit that piece machine or programmable logic device etc. have data processing function is realized.

As the specific implementation of the memory module, the embodiment of the present invention does not limit, as long as can be to the storage Module carries out the write-in and reading of data.

What deserves to be explained is the embodiment of the present invention with the addition of wireless communication module on vehicle-mounted video monitoring device;It can lead to Wireless communication module access to wireless communication network is crossed, but the embodiment of the present invention is to the specific network architecture of cordless communication network and this The communications band of cordless communication network does not limit.

As an embodiment, the cordless communication network includes mobile communications network, which at least wraps Include:3G network and 4G networks;Specifically, the wireless communication module of vehicle-mounted video monitoring device sends to mobile communications network and accesses Ask and complete the access to mobile communications network.It is vehicle-mounted in the case where designated terminal has also accessed the mobile communications network Control module in video monitoring equipment can be carried out by line communication module with having accessed the designated terminal of the mobile communications network Data interaction;For example, control module sends positional information by the mobile communications network to designated terminal;For another example specify eventually End sends the first transmission instruction and second to the control module by the mobile communications network and sends the data such as instruction.

As an embodiment, the cordless communication network is network that is common, being communicated using radio-frequency technique.At this moment, In the case that designated terminal has radio-frequency module, vehicle-mounted video monitoring device can pass through its wireless communication module and designated terminal Radio-frequency module establish radio frequency connection, and then the control module in vehicle-mounted video monitoring device can by its wireless communication module with Designated terminal carries out radio communication and completes data transfer;For example, control module sends vehicle institute by the wireless communication module Locate the positional information of position, designated terminal receives the positional information by its radio-frequency module;For another example control module passes through the nothing Line communication module persistently sends the second audio, video data, and designated terminal persistently receives the second audio and video number by its radio-frequency module According to.

It should be noted that the designated terminal described in the embodiment of the present invention, refers to the electronic equipment with wireless communication function; The equipment that the electronic equipment is made of electronic components such as integrated circuit, transistor, electron tubes;For part electronic equipment, It can be also programmed to realize various functions.At present, electronic equipment is widely developed and applied in all trades and professions, including: Electronic computer, robot, numerical control and the stored program controlled controlled by the controller of coded program etc.;Specifically in life, including The mobile terminals such as smart mobile phone, further include intelligent appliance.

Preferably, the designated terminal described in the embodiment of the present invention refers to server;It is highly preferred that described in the embodiment of the present invention Refer to Cloud Server.Because Cloud Server has magnanimity, idle memory space, so Cloud Server can continue uninterruptedly Support receives and stores second audio, video data.In this way, user can be as needed, described the is downloaded from Cloud Server Second audio, video data stored in two audio, video datas, or management Cloud Server, such as delete and deposited in Cloud Server Second audio, video data of storage, then for example edit second audio, video data stored in Cloud Server.

Specifically in embodiments of the present invention, when user carries out video monitoring using vehicle-mounted video monitoring device to vehicle, together When gather out two-way audio, video data, including the first audio, video data and the second audio, video data;Wherein, can be by first sound Video data forms the first image, and the second image, and point of described first image can be made of second audio, video data Resolution is more than the resolution ratio of the second image.

Wherein, the second audio, video data can use erasable storage medium to store.For storing the first audio, video data Storage medium do not limit, but need to guarantee normally to the storage medium carry out the first audio, video data write-in and reading Take.

Step A2, when detecting ad hoc condition, second audio, video data is sent to designated terminal so that Yong Hugen Second image provided according to the designated terminal judges whether that triggering first sends instruction.

Specifically, after wireless communication module access to wireless communication network, detect wireless by this during ad hoc condition Communication network sends second audio, video data to designated terminal.

For the ad hoc condition, user is needed to preset.The condition that may be set to the ad hoc condition includes but not limited to:Inspection Measure the second of user's triggering and send instruction, particular time arrival, each described particular time etc..

As a kind of embodiment of ad hoc condition is detected in step A2, if detecting that the second of user's triggering sends Instruction, then be judged to detecting ad hoc condition.

Specifically, user can be sent and be instructed by designated equipment or other electronic equipments triggering second, and this second is sent out Send instruction to send to vehicle-mounted video monitoring device, the control module of vehicle-mounted video monitoring device to receive by wireless communication module The second transmission instruction;Then the second transmission instruction is can detect, is judged to detecting ad hoc condition.

As a kind of embodiment that ad hoc condition is detected in step A2, user is in advance in vehicle-mounted video monitoring device One or more particular times are set in control module.Often detect that the particular time reaches, be judged to detecting spy If condition.

As a kind of preferred embodiment that ad hoc condition is detected in step A2, user sets in Vehicular video monitoring in advance A particular time is set in standby control module.Every the particular time, it is judged to detecting once ad hoc condition;I.e. Each particular time, performs step A2 and sends second audio, video data to designated terminal.

In embodiments of the present invention, when user directly persistently can browse second image by the designated terminal, such as Fruit user browses to image interested from second image, and first can be triggered by the designated terminal and sends instruction, and The first transmission instruction is sent to the control module of vehicle-mounted video monitoring device by the designated terminal.

In addition, user not directly persistently browses institute by the designated terminal (for example, the designated terminal is Cloud Server) In the case of stating the second image, user can download second image by the electronic equipment that it is used from the designated terminal, make Second image is browsed with its electronic equipment;If user browses to image interested from second image, can lead to Cross its electronic equipment triggering first and send instruction, and the first transmission instruction is sent to Vehicular video by its electronic equipment and is supervised Control the control module of equipment.

It should be noted that the 3rd figure of the part specified the first audio, video data reconstruct is sent by described first Picture, is the 4th image of the images match interested browsed to user from second image;Differ only in:3rd The resolution ratio of image is less than the resolution ratio of the 4th image.

Step A3, when detecting the first transmission instruction, described first is sent the part described first specified Audio, video data is sent to the designated terminal.

Specifically, send and instruct for described first, which is used to refer to from first audio, video data Determine partial data;The 3rd image that the partial data specified by first transmission forms is the image of user's interest, It is relative to the higher matching image of the 4th image resolution ratio;That is, the content that the 3rd image is presented presents interior with the 4th image Hold identical, but the high resolution of the 3rd image is in the 4th image.

As one embodiment of the embodiment of the present invention, when video monitoring, gathers the first audio, video data and second at the same time After the step for audio, video data, the video frequency monitoring method includes:First audio and video are stored with the first storage medium Data;Second audio, video data is stored with the second storage medium.

In the present embodiment, there is storage medium (i.e. the first storage medium) in vehicle-mounted video monitoring device In the case of, and with the addition of a storage medium (i.e. the second storage medium).Wherein, the first storage medium is relative to being not added with second Remained unchanged during storage medium in vehicle-mounted video monitoring device role, the first storage medium is used for:Store video monitoring When the high-resolution audio, video data (i.e. described first audio, video data) that collects.Wherein, the second storage medium of addition For:Store the audio, video data (i.e. described second audio, video data) of the low resolution collected during video monitoring.

As one preferred embodiment of the embodiment of the present invention, second audio and video are stored using erasable storage medium Data;Relatively, it is described to detect to send second audio, video data to the step for designated terminal during ad hoc condition have Body is:

When detecting ad hoc condition, second audio, video data is sent to designated terminal, and deletes the institute sent State the second audio, video data.

Specifically, the second audio, video data that erasable storage medium stores can be sent when detecting ad hoc condition The picture material identical with the second image carrying but the second image resolution of ratio have been stored with to designated terminal, but in memory module The first high image of rate, and then to save the storage medium for being used for storing the second audio, video data, the is being sent to designated terminal While two audio, video datas, the second audio, video data sent in the erasable storage medium storage is deleted;So that In the second audio, video data of continuous collecting and while second audio, video data is stored in the erasable storage medium, hold Continuous the second audio and video that second audio, video data is sent to designated terminal and sent in the erasable storage medium erasing Data, can recycle the erasable storage medium, more second audio, video datas of continuous collecting.

For example, the second storage medium is realized using erasable storage medium;In continuous collecting the second audio and video number According to while second audio, video data is stored in the second storage medium;Accordingly, continue to send the second audio, video data The second audio, video data sent to designated terminal and in second storage medium erasing, can recycle second storage Medium, more second audio, video datas of continuous collecting.

Fig. 2 shows a kind of optimized work flow of video frequency monitoring method provided in an embodiment of the present invention, but illustrate only With the relevant part of the embodiment of the present invention.

It is described to send second audio, video data to finger referring to Fig. 2 as an embodiment of the embodiment of the present invention The step for determining terminal specially step A21 and step A22.

Step A21, based on the first cordless communication network, second audio, video data is sent to the designated terminal.

In the present embodiment, cordless communication network includes the first cordless communication network and the second cordless communication network.Its In, the network bandwidth of second cordless communication network is more than the network bandwidth of first cordless communication network.

In the present embodiment, the wireless communication module that vehicle-mounted video monitoring device described first includes has accessed the first nothing Line communication network, and the cordless communication network by the first cordless communication network by default.And then pass through first in step A2 First cordless communication network persistently sends second audio, video data to designated terminal.

But while persistently second audio, video data is sent to designated terminal by the first cordless communication network, Wireless communication module also carries out the detection of cordless communication network, if detecting the second wireless communication networks of network bandwidth bigger Network, and when being successfully accessed the second cordless communication network, perform step A22.

Step A22, when being linked into the second cordless communication network, described second is switched to from first cordless communication network Cordless communication network, second audio, video data is sent to the designated terminal with second cordless communication network.

In the present embodiment, because the network bandwidth of the second cordless communication network is more than the first cordless communication network, therefore Relative to the first cordless communication network, faster data transfer can be carried out by the second cordless communication network.Therefore, this implementation Mode switches to second channel radio after the second cordless communication network is successfully accessed, from first cordless communication network Communication network, second audio, video data is sent to the designated terminal based on second cordless communication network.

As an embodiment, with the second audio, video data described in the second cordless communication network transmitting portion to institute While stating designated terminal, it can also continue to send another second audio, video data by first cordless communication network To the designated terminal.And in this embodiment party, second cordless communication network can be one or more wireless communications Network.

As another embodiment, once second audio, video data is sent to institute with second cordless communication network Designated terminal is stated, then stopping continues through the first cordless communication network transmission second audio, video data and specified to described Terminal, but the control module and designated terminal of vehicle-mounted video monitoring device can be carried out by first cordless communication network Other data interactions (such as:The interaction of control instruction).

Those of ordinary skill in the art are further appreciated that all or part of step realized in above-described embodiment method is can To be completed by programmed instruction and relevant hardware, the program can be stored in a computer read/write memory medium In, the storage medium, including ROM/RAM, disk, CD etc..

It should be noted that video frequency monitoring method provided in an embodiment of the present invention be applicable to it is provided in an embodiment of the present invention Vehicle-mounted video monitoring device.

Fig. 3 shows the composition structure of vehicle-mounted video monitoring device provided in an embodiment of the present invention, for the ease of describing, only Show and the relevant part of the embodiment of the present invention.

Vehicle-mounted video monitoring device provided in this embodiment, as shown in figure 3, the vehicle-mounted video monitoring device includes storage Module 2, control module 1 and wireless communication module 3;

The control module 1 is used for:The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, and First audio, video data and second audio, video data are stored respectively in the memory module 2, by first sound The resolution ratio for the first image that video data is formed is more than the resolution ratio for the second image being made of second audio, video data;

The control module 1 is additionally operable to:When detecting ad hoc condition, second audio, video data is exported to the nothing Line communication module 3;

The wireless communication module 3 is used for:Second audio, video data that the control module 1 is exported is sent to finger Determine terminal so that second image that user provides according to the designated terminal judges whether that triggering first sends instruction;

The control module 1 is additionally operable to:When detecting the first transmission instruction, send what is specified by described first Part first audio, video data is exported to the wireless communication module 3;

The wireless communication module 3 is additionally operable to:Part the first audio, video data hair that the control module 1 is exported Send to the designated terminal.

As one embodiment of the embodiment of the present invention, the wireless communication module 3 is specifically used for:Based on the first wireless communication Network, second audio, video data is sent to the designated terminal;

The wireless communication module 3 is additionally operable to:When being linked into the second cordless communication network, from first wireless communication networks Network switches to second cordless communication network, and second audio, video data is sent to institute with second cordless communication network State designated terminal;

Wherein, the network bandwidth of second cordless communication network is more than the Netowrk tape of first cordless communication network It is wide.

As one embodiment of the embodiment of the present invention, the control module 1 is specifically used for:, will when detecting ad hoc condition Second audio, video data is sent to designated terminal, and deletes second audio and video sent in the memory module 2 Data.

As one embodiment of the embodiment of the present invention, the control module 1 is specifically used for:Detect the second of user's triggering It is judged to detecting ad hoc condition when sending instruction;

The control module 1 is specifically used for:Particular time is judged to detecting ad hoc condition when reaching.

Fig. 4 shows a kind of optimization composition structure of vehicle-mounted video monitoring device provided in an embodiment of the present invention, in order to just In description, illustrate only and the relevant part of the embodiment of the present invention.

As one embodiment of the embodiment of the present invention, as shown in figure 4, the memory module 2 includes the first storage medium 21 With the second storage medium 22;

First storage medium 21 is used for:Store first audio, video data;

Second storage medium 22 is used for:Store second audio, video data.

It will be appreciated by those skilled in the art that to be each included by vehicle-mounted video monitoring device provided in an embodiment of the present invention A unit is simply divided according to function logic, but is not limited to above-mentioned division, as long as corresponding work(can be realized Energy;In addition, the specific name of each functional unit is also only to facilitate mutually distinguish, the guarantor being not intended to limit the invention Protect scope.

Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, Some equivalent substitutes or obvious modification are made on the premise of not departing from present inventive concept, and performance or purposes are identical, all should It is considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.

Claims (8)

1. a kind of video frequency monitoring method, it is characterised in that the video frequency monitoring method includes:
The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, is made of first audio, video data The resolution ratio of the first image be more than the resolution ratio of the second image being made of second audio, video data;
When detecting ad hoc condition, second audio, video data is sent to designated terminal so that user specifies according to described Second image that terminal provides judges whether that triggering first sends instruction;
Described the step for detecting ad hoc condition, specifically includes:
Detect that the second of user's triggering sends instruction;And/or
Particular time reaches;
When detecting the first transmission instruction, described first is sent part first audio, video data specified and sent out Send to the designated terminal, the described first the 3rd image for sending the part specified the first audio, video data composition is User's image interested.
2. video frequency monitoring method as claimed in claim 1, it is characterised in that it is described by second audio, video data send to The step for designated terminal is specially:
Based on the first cordless communication network, second audio, video data is sent to the designated terminal;
When being linked into the second cordless communication network, second wireless communication networks are switched to from first cordless communication network Network, second audio, video data is sent to the designated terminal, second channel radio with second cordless communication network The network bandwidth of communication network is more than the network bandwidth of first cordless communication network.
3. video frequency monitoring method as claimed in claim 1, it is characterised in that it is described when detecting ad hoc condition by described second Audio, video data was sent to the step for designated terminal:
When detecting ad hoc condition, second audio, video data is sent to designated terminal, and deletes described the sent Two audio, video datas.
4. such as claims 1 to 3 any one of them video frequency monitoring method, it is characterised in that adopted at the same time during the video monitoring After the step for collecting the first audio, video data and the second audio, video data, the video frequency monitoring method includes:
First audio, video data is stored with the first storage medium;
Second audio, video data is stored with the second storage medium.
5. a kind of vehicle-mounted video monitoring device, it is characterised in that the vehicle-mounted video monitoring device includes memory module, control mould Block and wireless communication module;
The control module is used for:The first audio, video data and the second audio, video data are gathered during video monitoring at the same time, and in institute State and store first audio, video data and second audio, video data in memory module respectively, by the first audio and video number It is more than the resolution ratio for the second image being made of second audio, video data according to the resolution ratio of the first image of composition;
The control module is additionally operable to:When detecting ad hoc condition, second audio, video data is exported to the channel radio Believe module;
The control module is specifically used for:Detect and be judged to detecting ad hoc condition when the second of user's triggering sends instruction;
The control module is specifically used for:Particular time is judged to detecting ad hoc condition when reaching;
The wireless communication module is used for:Second audio, video data that the control module is exported was sent to specified end End so that second image that user provides according to the designated terminal judges whether that triggering first sends instruction;
The control module is additionally operable to:When detecting the first transmission instruction, described first is sent the part specified First audio, video data exports to the wireless communication module, described first and sends part first sound specified 3rd image of video data composition is user's image interested;
The wireless communication module is additionally operable to:Part first audio, video data that the control module is exported is sent to institute State designated terminal.
6. vehicle-mounted video monitoring device as claimed in claim 5, it is characterised in that
The wireless communication module is specifically used for:Based on the first cordless communication network, by second audio, video data send to The designated terminal;
The wireless communication module is additionally operable to:When being linked into the second cordless communication network, cut from first cordless communication network Second cordless communication network is shifted to, second audio, video data is sent to the finger with second cordless communication network Determine terminal;
Wherein, the network bandwidth of second cordless communication network is more than the network bandwidth of first cordless communication network.
7. vehicle-mounted video monitoring device as claimed in claim 5, it is characterised in that
The control module is specifically used for:When detecting ad hoc condition, second audio, video data is sent to designated terminal, And delete second audio, video data sent in the memory module.
8. such as claim 5 to 7 any one of them vehicle-mounted video monitoring device, it is characterised in that the memory module includes First storage medium and the second storage medium;
First storage medium is used for:Store first audio, video data;
Second storage medium is used for:Store second audio, video data.
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