CN105898233A - Audio and video playing method and apparatus in video monitoring - Google Patents
Audio and video playing method and apparatus in video monitoring Download PDFInfo
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- CN105898233A CN105898233A CN201610367593.4A CN201610367593A CN105898233A CN 105898233 A CN105898233 A CN 105898233A CN 201610367593 A CN201610367593 A CN 201610367593A CN 105898233 A CN105898233 A CN 105898233A
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- 238000000034 method Methods 0.000 title claims abstract description 27
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/2809—Exchanging configuration information on appliance services in a home automation network indicating that an appliance service is present in a home automation network
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- Engineering & Computer Science (AREA)
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- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an audio and video playing method and apparatus in video monitoring, which are applied to a video monitoring system. The audio and video playing method comprises the steps of firstly, receiving registrations of a front-end device, a first playing end and an intelligent terminal in the video monitoring system, and according to a request message sent after the intelligent terminal is connected with a second playing end, establishing a playback device list corresponding to the first playing end and the second playing end; and then according to the established playback device list, selecting the first playing end or/and the second playing end to play an audio and a video which are acquired by the front-end device. The apparatus disclosed by the invention comprises a registration module and a playing selection module. According to the method and the apparatus which are disclosed by the invention, playback devices with the optimal effect can be selected to respectively play the video and the audio, meanwhile, synchronization of different playback devices also can be implemented, the high-quality devices are sufficiently utilized, and the best user experience is provided.
Description
Technical field
The invention belongs to technical field of video monitoring, the audio frequency and video particularly related in a kind of video monitoring are broadcast
Put method and device.
Background technology
Along with popularizing of the Internet, video monitoring starts to be widely used in family, education, business, doctor
Treatment, public place etc..When the audio frequency and video obtaining headend equipment IPC play out, need to ensure
The broadcasting definition of video, it is ensured that the tonequality that audio frequency is play.
At present, when carrying out video playback, conventional selection has HDTV or other high definitions to show
Equipment.And the broadcasting of audio frequency, the audio frequency broadcast system that HDTV can be used to carry plays out.
Along with the appearance of high-fidelity Baffle Box of Bluetooth, owing to Bluetooth technology is applied in tradition by high-fidelity Baffle Box of Bluetooth
Audio frequency on, it is achieved wireless audio transmission, allow user can exempt impeding of irritating transmission line,
Listen to the music of high-quality in every way comfortablely.Therefore, video monitoring play audio frequency time, as
What selects more preferable video equipment to play, and improves the audio experience of user, is the one of the art
The individual problem needing to solve.
Prior art connects video monitoring equipment and television set generally by HDMI, directly by
Television set realizes video and shows and audio frequency broadcasting.But the audio frequency broadcast system that television set carries is often
Ratio high-fidelity Baffle Box of Bluetooth weak effect, and audio frequency and video are all by television for play, it is impossible to utilize existing
High-fidelity Baffle Box of Bluetooth equipment, causes wiring complexity, and the problem of equipment waste, the experience of user is the most not
Good.
Summary of the invention
It is an object of the invention to provide the audio and video playing method and device in a kind of video monitoring, in order to
Solve prior art cannot utilize existing high guarantee Baffle Box of Bluetooth equipment, cause wiring complexity, if
The problem of standby waste.
To achieve these goals, technical solution of the present invention is as follows:
A kind of audio and video playing method in video monitoring, is applied to video monitoring system, described sound
Video broadcasting method includes:
Accept headend equipment in video monitoring system, the first broadcasting end, registration of intelligent terminal, and root
The request message sent after connecting upper second broadcasting end according to intelligent terminal, sets up the first broadcasting end and second
Play the playback equipment list that end is corresponding；
The first broadcasting end is selected or/and second plays end broadcasting front end according to the playback equipment list set up
The audio frequency and video that equipment gathers.
Further, described the first broadcasting end and second of setting up plays the playback equipment list that end is corresponding,
Including:
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
Frequency and/or intelligent terminal corresponding to audio-frequence player device.
Further, described the first broadcasting end and second of setting up plays the playback equipment list that end is corresponding,
Also include:
For the video and/or audio playback equipment of record in playback equipment list, the priority of correspondence is set；
Periodically update the presence of each playback equipment in playback equipment list.
The described playback equipment list according to foundation selects the first broadcasting end or/and second plays end broadcasting
The audio frequency and video that headend equipment gathers, including:
According to the presence of playback equipment in playback equipment list and priority, set from online broadcasting
The video and/or audio playback equipment that standby middle selection is preferential；
The audio frequency and video of headend equipment collection are distributed to preferential video and the audio-frequence player device selected
Play out.
Further, described in the video playback apparatus selected be the first broadcasting end, the audio frequency selected is play
Equipment is the second broadcasting end, and described audio and video playing method also includes:
Voice data in original video and audio is carried out high frequency modulated, by original video data and high frequency modulation
Voice data after system is sent to the first broadcasting end and plays；
Original audio frequency and video are sent to intelligent terminal, so that original audio data is solved by intelligent terminal
It is sent to the second broadcasting end after Ma play.
Further, described audio and video playing method, also include:
Identical timestamp sequence number is stamped in voice data after high frequency modulated and original audio data；
Receive the synchronization request message that intelligent terminal sends, adjust according to synchronization request message and be sent to the
One plays the time that end or second plays the audio frequency and video of end, and wherein said intelligent terminal for reception first is play
The end radio broadcasting to the voice data after high frequency modulated, enters with the timestamp sequence number of original audio data
Row compares, and sends synchronization request message according to comparative result.
The invention allows for the audio and video display device in a kind of video monitoring, be applied to video monitoring
System, described audio and video display device includes:
Registering modules, is used for accepting headend equipment in video monitoring system, the first broadcasting end, intelligence eventually
The registration of end, and connect upper second according to intelligent terminal and play the request message of transmission after end, sets up the
One plays end and second plays the playback equipment list that end is corresponding；
Play select module, for according to set up playback equipment list select first broadcasting end or/and
Second plays end plays the audio frequency and video that headend equipment gathers.
Further, described Registering modules is set up the first broadcasting end and second and is play broadcasting corresponding to end and set
Standby list, performs to operate as follows:
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
Frequency and/or intelligent terminal corresponding to audio-frequence player device.
Further, described Registering modules be additionally operable in playback equipment list record video and/or
Audio-frequence player device arranges the priority of correspondence, and periodically updates in playback equipment list and respectively play
The presence of equipment.
Described broadcasting selects module to select the first broadcasting end according to the playback equipment list set up or/and the
Two play end plays out, and performs to operate as follows:
According to the presence of playback equipment in playback equipment list and priority, set from online broadcasting
The video and/or audio playback equipment that standby middle selection is preferential；
The audio frequency and video of headend equipment collection are distributed to preferential video and the audio-frequence player device selected
Play out.
Further, the described video playback apparatus selecting module to select of playing is the first broadcasting end, choosing
The audio-frequence player device gone out is the second broadcasting end, and described broadcasting selects module to be additionally operable to:
Voice data in original video and audio is carried out high frequency modulated, by original video data and high frequency modulation
Voice data after system is sent to the first broadcasting end and plays；
Original audio frequency and video are sent to intelligent terminal, so that original audio data is solved by intelligent terminal
It is sent to the second broadcasting end after Ma play.
Further, described broadcasting selects module to be additionally operable to:
Identical timestamp sequence number is stamped in voice data after high frequency modulated and original audio data；
Receive the synchronization request message that intelligent terminal sends, adjust according to synchronization request message and be sent to the
One plays the time that end or second plays the audio frequency and video of end, and wherein said intelligent terminal for reception first is play
The end radio broadcasting to the voice data after high frequency modulated, enters with the timestamp sequence number of original audio data
Row compares, and sends synchronization request message according to comparative result.
The present invention proposes the audio and video playing method and device in a kind of video monitoring, by setting up
One plays end and second plays the playback equipment list that end is corresponding, regards at the sound playing headend equipment collection
Frequently, time, the first broadcasting end is selected according to the playback equipment list set up or/and the second broadcasting end plays out,
It is thus possible to the optimal playback equipment of Selection effect plays video and audio frequency respectively, simultaneously can also be real
The synchronization of existing different playback equipment.Can be implemented in when there is high-fidelity Baffle Box of Bluetooth, preferentially by bluetooth
Audio amplifier carries out audio decoder, when Baffle Box of Bluetooth off-line then carries out audio decoder by television set.The present invention
Method can provide and make full use of high-quality equipment, it is provided that best Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention video monitoring system structural representation；
Fig. 2 is the audio and video playing method flow diagram in video monitoring of the present invention.
Detailed description of the invention
With embodiment, technical solution of the present invention is described in further details below in conjunction with the accompanying drawings, real below
Execute example and do not constitute limitation of the invention.
As a example by the present embodiment video monitoring system in family as shown in Figure 1, this video monitoring system
System includes headend equipment, NVR, display device, intelligent terminal, wireless audio devices, and wireless
Router.Wherein headend equipment is web camera IPC or common camera and encoder, and display sets
Standby general employing HDTV TV or other large-screen display equipments, intelligent terminal is the intelligence of user
Energy mobile phone or Intelligent flat computer, wireless audio devices is high-fidelity Baffle Box of Bluetooth.IPC and NVR
Wireless connections can be passed through, it is also possible to by wired connection, smart mobile phone is connected by wireless router
It is connected by wireless router or wired connection between NVR, TV and NVR, high-fidelity bluetooth
It is connected by bluetooth between audio amplifier with smart mobile phone.
The networking of the present embodiment is only with the video monitoring system in family, and wherein wireless router often uses
WIFI router, and be connected by bluetooth between high-fidelity Baffle Box of Bluetooth and smart mobile phone, with
The development of technology, 3G/4G or other broadband wireless technology, as long as its bandwidth supported disclosure satisfy that
Real-time audio video transmission, is suitable for the present invention, repeats no more here.
IPC, TV and smart mobile phone are all registered to NVR, can be managed by NVR, IPC, TV
Can carry the device id mark of self with smart mobile phone when registering, NVR passes through this device id and note
The IP address of the equipment of volume is carried out additions and deletions and is changed the equipment of looking into, and communicates with every equipment.IPC is responsible for
Gather video and audio frequency, send data by network after compressed encoding and flow to NVR, NVR be responsible for
Audio/video flow to IPC carries out the media stream duplication distribution of one-to-many, and the purpose equipment of distribution can be
TV, it is also possible to be smart mobile phone.Such that it is able to utilize TV to play video selectively, utilize height
Fidelity Baffle Box of Bluetooth plays audio frequency, brings the experience that user is good.
As in figure 2 it is shown, the audio and video playing method in a kind of video monitoring of the present embodiment, it is applied to
NVR, comprises the steps:
Step S1, NVR accept headend equipment in video monitoring system, the first broadcasting end, intelligence eventually
The registration of end, and connect upper second according to intelligent terminal and play the request message of transmission after end, sets up the
One plays end and second plays the playback equipment list that end is corresponding.
In general playback equipment all has the ability to play of video and audio frequency, it is also possible to only have one
Ability to play, but the video effect of some equipment is good, and the audio frequency effect of some equipment is good, this enforcement
Example the first playback equipment and the second playback equipment are exactly video, the audio frequency effect discrepant playback equipment of tool.
Such as first broadcasting end is television set, smart mobile phone or Intelligent flat etc., and the second broadcasting end is high guarantor
True Baffle Box of Bluetooth or the audio amplifier etc. of other high-quality.Intelligent terminal uses smart mobile phone or Intelligent flat
Realize, connect the second broadcasting end, and send request message to NVR, and report the second broadcasting end
State, play end to second and forward from the audio frequency of NVR, and be used for synchronizing the first broadcasting end
End is play with second.
It is easily understood that when the first broadcasting end is also smart mobile phone, smart mobile phone can mask
The audio-frequency module of self, sends the audio to the high-fidelity Baffle Box of Bluetooth that bluetooth connects, i.e. at intelligence hands
Play video on machine, high-fidelity Baffle Box of Bluetooth is play audio frequency.But this analogue video effect is not
Good, do not consider in the present invention.
In the present embodiment description below, the first broadcasting end is television set TV, and the second broadcasting end is high
Fidelity Baffle Box of Bluetooth, intelligent terminal is smart mobile phone, repeats no more later.
IPC, TV and smart mobile phone are all registered to NVR, can be managed by NVR, IPC, TV
Can carry the device id mark of self with smart mobile phone when registering, NVR passes through this device id and note
The IP address of the equipment of volume is carried out additions and deletions and is changed the equipment of looking into, and communicates with every equipment.
Smart mobile phone is connected with high-fidelity Baffle Box of Bluetooth, when high-fidelity Baffle Box of Bluetooth and intelligence by bluetooth
After the success of Bluetooth of mobile phone connection establishment, smart mobile phone sends a Bluetooth audio equipment to NVR and increases newly
Request message, carry the ID of high-fidelity Baffle Box of Bluetooth equipment and smart mobile phone in request message
MAC Address.After NVR receives this message request, obtain MAC Address and the Gao Bao of smart mobile phone
The ID of true Baffle Box of Bluetooth equipment.
Log-on message according to each equipment and the request message of smart mobile phone, NVR can set up
One plays end and second plays the playback equipment list that end is corresponding, it may be assumed that
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
The intelligent terminal that frequency is corresponding with audio-frequence player device.
It is television set that the present embodiment first plays end, and the second broadcasting end is high-fidelity Baffle Box of Bluetooth, therefore
Only need to select different audio-frequence player devices when selecting, the playback equipment list such as table hence set up
Shown in 1:
Table 1
Table 1 is audio-frequence player device list, so it is easy to understand that equally sets up video playback and sets
Standby list, two and be playback equipment list.High-fidelity bluetooth sound is had in audio-frequence player device list
Case equipment Blue_Sound1, also has the video playback apparatus TV_Sound of the TV equipment registered before.
If second plays end equally supports video playback, need to record first the most in Table 1 simultaneously and broadcast
Put end and second and play the video playback apparatus of end, repeat no more here.
Play broadcasting corresponding to end set it is easily understood that the present embodiment sets up the first broadcasting end and second
Standby list, it is also possible to directly add the first broadcasting end and second on NVR and play the broadcasting that end is corresponding
Equipment, repeats no more here.
The present embodiment is additionally provided with the priority of each video, audio-frequence player device, the number of priority
Be worth the least, then priority is the highest.The preferential of video playback apparatus corresponding to the first broadcasting end is such as set
The video playback apparatus that level is corresponding higher than the second broadcasting end, and the audio frequency broadcasting that second plays end corresponding sets
The audio-frequence player device that standby priority is corresponding higher than the first broadcasting end.High-fidelity is blue in the present embodiment
It is 1 that the audio frequency of tooth audio amplifier plays priority, is higher than the priority 3 that the audio frequency of TV equipment is play.
In the case of priority is set, sends video respectively according to the height of priority and audio frequency is broadcast
Put, in the case of being not provided with priority, be directly to send the video to TV, and audio frequency is passed through
Smart mobile phone is sent to high-fidelity Baffle Box of Bluetooth.
Such that it is able to according to priority, select different video playback apparatus or audio-frequence player device to enter
Row is play.Such as there is no smart mobile phone, or when there is no high-fidelity Baffle Box of Bluetooth, only selecting TV to come
Play Voice & Video；When having TV, having high-fidelity Baffle Box of Bluetooth again, select TV to play and regard
Frequently, select the high-fidelity Baffle Box of Bluetooth being connected with smart mobile phone to play audio frequency.
In order to effectively identify the playing audio/video in network, NVR can be updated periodically broadcasting
List of devices, refreshes the presence of each equipment in playback equipment list, as shown in table 2:
Table 2
Wherein online represents online, and offline represents off-line.Thus it is apparent which is play to set
Standby online, can select.The present embodiment is updated periodically playback equipment list, the most permissible
Within 30 seconds, update once, or 15 seconds update once, without limitation.Renewal process can be to play
Equipment oneself active reporting state, it is also possible to by the state of NVR equipment query playback equipment, here
Repeat no more.When playlist is not included in line states, directly it is sent to audio frequency and video to select
Equipment, when equipment is not online, shows mistake, the most automatically changes other equipment and play.
Owing to a high-fidelity Baffle Box of Bluetooth may be bound by multiple smart mobile phones, but synchronization, only
The high-fidelity Baffle Box of Bluetooth that can be the binding of certain smart mobile phone is online.So NVR is by current note
High-fidelity Baffle Box of Bluetooth condition adjudgement the most online on the smart mobile phone MAC of volume and smart mobile phone,
Currently available high-fidelity Baffle Box of Bluetooth and smart mobile phone.When there being multiple smart mobile phone, audio frequency is play
List of devices is as shown in table 3:
Table 3
According to table 3, it is possible to select online smart mobile phone, and use connected high-fidelity blue
Audio frequency play by tooth audio amplifier.Select TV to play video simultaneously.
Step S2, according to set up playback equipment list select first broadcasting end or/and second play end
Play the audio frequency and video that headend equipment gathers.
The first broadcasting end is being selected or/and the second broadcasting end is broadcast according to the playback equipment list set up
When putting, according to the presence of playback equipment in playback equipment list and priority, from online broadcasting
Equipment selects preferential video and/or audio playback equipment, the audio frequency and video distribution gathered by headend equipment
Play out to the preferential video selected and audio-frequence player device.
In the present embodiment, NVR inquires about playback equipment list, and TV is the preference faciltiy playing video,
For audio-frequence player device, first online according to which audio frequency apparatus of equipment on-line state analysis, further according to
Priority first obtains the preference faciltiy that audio frequency is play.It is divided into following two situation:
Embodiment 1, high-fidelity Baffle Box of Bluetooth are the most online.
When intelligent terminal's smart mobile phone is not online, or high-fidelity Baffle Box of Bluetooth does not plug in or event
Barrier, in playback equipment list, the second broadcasting end that smart mobile phone is connected is off-line, i.e. high-fidelity
Baffle Box of Bluetooth is shown as off-line, it is impossible to connects high-fidelity Baffle Box of Bluetooth and plays audio frequency, therefore according to excellent
First level can only select the first broadcasting end TV to carry out playing audio-video.
Now, audio frequency and video are sent to the first broadcasting end TV by NVR, carry out the broadcasting of audio frequency and video.
Embodiment 2, high-fidelity Baffle Box of Bluetooth are online.
Here inquire and need audio frequency to play preferential Blue_Sound1 (the bluetooth sound using smart mobile phone
Case), video data is decoded playing by TV (TV).
The TV that now can send the video to have high image quality plays out, and has bigger
Screen, and audio frequency is forwarded to high-fidelity Baffle Box of Bluetooth by smart mobile phone and plays out, have relatively
High tonequality.
For embodiment 2, preferential video playback apparatus is the first broadcasting end, and preferential audio frequency is play
Equipment is the second broadcasting end, and NVR, when needing the audio/video flow playing IPC, comprises the steps:
1), NVR obtain audio and video data streams, voice data stream therein is carried out high frequency modulated volume
Code.
NVR passes through to include video and audio frequency inside a road audio and video data streams of Network Capture IPC,
NVR obtains voice data stream, due to the sample rate one of the audio frequency in general video monitoring data stream
As be 8KHZ, the sound frequency that human ear can be heard is between 2Hz 20KHz.If directly will obtain
The audio and video data streams taken is sent to TV end, and TV end then can directly play video and audio frequency, this
Shi Ruguo is not desired to listen the audio frequency of TV, can be processed by television mute.
The present embodiment preferably, uses frequency modulation broadcasting to use frequency range 87.5MHz-108MHz to come sound
Frequency is according to re-starting modulating-coding, i.e. the frequency range of the frequency modulation of its carrier wave uses 87.5MHz
-108MHz.After such voice data is sent to TV, the audio frequency human ear that TV plays also be can't hear,
So now user is to hear the sound on now TV.
2), the voice data after original video data and high frequency modulated is sent to the first broadcasting by NVR
End is play, and original video data and the original audio data of original audio frequency and video are sent to intelligent terminal,
It is sent to the second broadcasting end after original audio data being decoded by intelligent terminal play.
After TV receives audio and video data streams, it is decoded, owing to video is play on screen, by
Being the high-frequency signal of 87.5MHz-108MHz in audio frequency, the sound frequency that human ear can be heard exists
Between 2Hz 20KHz, so now user is to hear the sound on now TV.
After smart mobile phone receives audio and video data streams, only voice data therein is decoded, logical
Cross bluetooth and be sent to the second broadcasting end high-fidelity Baffle Box of Bluetooth broadcasting.
Further, owing to two-way audio, video data is separately sent to TV and smart mobile phone by NVR,
It is possible between the two there is nonsynchronous problem, shows as video and the high-fidelity play on TV
The audio frequency play on Baffle Box of Bluetooth is asynchronous.Therefore, voice data is being carried out by the present embodiment NVR
During high frequency modulated, in voice data after high frequency modulated and original audio data, stamp the identical time
Stamp sequence number.
The high-frequency audio that then TV end can will receive, externally sends tune by built-in wireless radio frequency modules
The most wireless, smart mobile phone termination receives this high-frequency signal, compares high-frequency audio signal and original audio letter
Number timestamp sequence number, obtain time difference, if smart mobile phone end is fast, then buffer the former of smart mobile phone
Beginning audio frequency, if TV end is fast, then smart mobile phone notice NVR adjusts the audio frequency and video number being sent to TV
According to stream.
Specifically, including:
Audio frequency after the modulation that TV end will receive, sends FM radio；
Smart mobile phone receives FM radio, obtains the timestamp t2 of correspondence simultaneously；
Smart mobile phone gets the timestamp t1 of original audio data；
Smart mobile phone compares the timestamp of two voice datas, sends synchronization request report according to comparative result
Literary composition:
If t2 < t1, then it represents that television is fast, smart mobile phone end is slow, then smart mobile phone end sends same
Step request message is to NVR, it is desirable to NVR is sent to the audio and video data streams time to be slowed down of TV
X=(t1-t2)/2 retransmits；
If t2 > t1, then it represents that smart mobile phone end is fast, television is slow, then smart mobile phone end sends same
Step request message is to NVR, it is desirable to NVR be sent to the audio and video data streams of smart mobile phone to be slowed down time
Between x=(t2-t1)/2 retransmit.
After i.e. smart mobile phone receives wireless frequency modulation broadcast, compare the timestamp of two voice datas, according to
Comparative result sends synchronization request message, and NVR receives the synchronization request message that intelligent terminal sends,
The time being sent to the audio frequency and video that the first broadcasting end or second plays end is adjusted according to synchronization request message.
Audio frequency apparatus list is constantly refreshed, then when certain equipment in audio frequency apparatus list due to NVR
Leaving, then automatic switchover audio/video decoding equipment, such as, Baffle Box of Bluetooth leaves, then audio frequency is cut automatically
Change television set into and carry out audio decoder.When in audio frequency apparatus list, smart mobile phone rolls off the production line or bluetooth disconnects
The situation such as connection occurs, NVR in some cycles the most every 3 seconds, detects, wherein at sound
Frequently also can report NVR equipment immediately before equipment actively off-line, inform that audio frequency apparatus exits, then NVR
The equipment state of audio frequency apparatus the exterior and the interior, it is set to Offline off-line state.TV is now needed to broadcast
Being also required to while putting video play audio frequency, now NVR is for the packet of audio frequency, does not carry out
High frequency modulated.
By the method for the present embodiment, it is possible to achieve when there is high-fidelity Baffle Box of Bluetooth, preferentially by indigo plant
Tooth audio amplifier carries out audio decoder, when Baffle Box of Bluetooth off-line then carries out audio decoder by television set.
Corresponding to said method, the audio and video display device in a kind of video monitoring of the present embodiment, application
In video monitoring system, this audio and video display device is applied to NVR specifically, it is also possible to application
Other servers in video monitoring system, such as video management server.
This audio and video display device includes:
Registering modules, is used for accepting headend equipment in video monitoring system, the first broadcasting end, intelligence eventually
The registration of end, and connect upper second according to intelligent terminal and play the request message of transmission after end, sets up the
One plays end and second plays the playback equipment list that end is corresponding；
Play select module, for according to set up playback equipment list select first broadcasting end or/and
Second plays end plays the audio frequency and video that headend equipment gathers.
With said method accordingly, the present embodiment Registering modules is set up the first broadcasting end and second and is play end
Corresponding playback equipment list, performs to operate as follows:
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
Frequency and/or intelligent terminal corresponding to audio-frequence player device.
Preferably, the present embodiment Registering modules is additionally operable to periodically update in playback equipment list and respectively plays
The presence of equipment.
Preferably, the present embodiment Registering modules be additionally operable in playback equipment list record video and/
Or audio-frequence player device arranges the priority of correspondence；
The present embodiment play select module according to set up playback equipment list select first broadcasting end or/
Play end with second to play out, perform to operate as follows:
According to the presence of playback equipment in playback equipment list and priority, set from online broadcasting
The video and/or audio playback equipment that standby middle selection is preferential；
The audio frequency and video of headend equipment collection are distributed to preferential video and the audio-frequence player device selected
Play out.
In the present embodiment, playing the video playback apparatus selecting module to select is the first broadcasting end TV,
The audio-frequence player device selected is the second broadcasting end high-fidelity Baffle Box of Bluetooth, then play and select module also to use
In:
Voice data in original video and audio is carried out high frequency modulated, by original video data and high frequency modulation
Voice data after system is sent to the first broadcasting end and plays；
Original audio frequency and video are sent to intelligent terminal, so that original audio data is solved by intelligent terminal
It is sent to the second broadcasting end after Ma play.
Thus play video at TV end, and human ear can't hear the audio frequency of TV, at high-fidelity bluetooth sound
Audio frequency is play, it is provided that high-quality video and audio experience on case.
The present embodiment, in order to synchronize the different video playing end and audio frequency, is play and is selected module to be additionally operable to:
Identical timestamp sequence number is stamped in voice data after high frequency modulated and original audio data；
Receive the synchronization request message that intelligent terminal sends, adjust according to synchronization request message and be sent to the
One plays the time that end or second plays the audio frequency and video of end, and wherein said intelligent terminal for reception first is play
The end radio broadcasting to the voice data after high frequency modulated, enters with the timestamp sequence number of original audio data
Row compares, and sends synchronization request message according to comparative result.
Thus ensure that the first broadcasting end and second plays the synchronization of end.
Above example is only limited in order to technical scheme to be described, is not carrying on the back
In the case of present invention spirit and essence thereof, those of ordinary skill in the art work as can be according to the present invention
Make various corresponding change and deformation, but these change accordingly and deformation all should belong to institute of the present invention
Attached scope of the claims.
Claims (10)
1. the audio and video playing method in video monitoring, is applied to video monitoring system, and it is special
Levying and be, described audio and video playing method includes:
Accept headend equipment in video monitoring system, the first broadcasting end, registration of intelligent terminal, and root
The request message sent after connecting upper second broadcasting end according to intelligent terminal, sets up the first broadcasting end and second
Play the playback equipment list that end is corresponding；
The first broadcasting end is selected or/and second plays end broadcasting front end according to the playback equipment list set up
The audio frequency and video that equipment gathers.
Audio and video playing method the most according to claim 1, it is characterised in that described foundation
First plays end and second plays the playback equipment list that end is corresponding, including:
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
Frequency and/or intelligent terminal corresponding to audio-frequence player device.
Audio and video playing method the most according to claim 2, it is characterised in that described foundation
First plays end and second plays the playback equipment list that end is corresponding, also includes:
For the video and/or audio playback equipment of record in playback equipment list, the priority of correspondence is set；
Periodically update the presence of each playback equipment in playback equipment list；
The described playback equipment list according to foundation selects the first broadcasting end or/and second plays end broadcasting
The audio frequency and video that headend equipment gathers, including:
According to the presence of playback equipment in playback equipment list and priority, set from online broadcasting
The video and/or audio playback equipment that standby middle selection is preferential；
The audio frequency and video of headend equipment collection are distributed to preferential video and the audio-frequence player device selected
Play out.
Audio and video playing method the most according to claim 1, it is characterised in that described basis
The playback equipment list set up selects the first broadcasting end or/and second plays end broadcasting headend equipment collection
Audio frequency and video, the video playback apparatus selected is the first broadcasting end, and the audio-frequence player device selected is
Two play end, and described audio and video playing method also includes:
Voice data in original video and audio is carried out high frequency modulated, by original video data and high frequency modulation
Voice data after system is sent to the first broadcasting end and plays；
Original audio frequency and video are sent to intelligent terminal, so that original audio data is solved by intelligent terminal
It is sent to the second broadcasting end after Ma play.
Audio and video playing method the most according to claim 4, it is characterised in that described sound regards
Frequently player method, also includes:
Identical timestamp sequence number is stamped in voice data after high frequency modulated and original audio data；
Receive the synchronization request message that intelligent terminal sends, adjust according to synchronization request message and be sent to the
One plays the time that end or second plays the audio frequency and video of end, and wherein said intelligent terminal for reception first is play
The end radio broadcasting to the voice data after high frequency modulated, enters with the timestamp sequence number of original audio data
Row compares, and sends synchronization request message according to comparative result.
6. the audio and video display device in video monitoring, is applied to video monitoring system, and it is special
Levying and be, described audio and video display device includes:
Registering modules, is used for accepting headend equipment in video monitoring system, the first broadcasting end, intelligence eventually
The registration of end, and connect upper second according to intelligent terminal and play the request message of transmission after end, sets up the
One plays end and second plays the playback equipment list that end is corresponding；
Play select module, for according to set up playback equipment list select first broadcasting end or/and
Second plays end plays the audio frequency and video that headend equipment gathers.
Audio and video display device the most according to claim 7, it is characterised in that described registration
Module is set up the first broadcasting end and second and is play the playback equipment list that end is corresponding, performs to operate as follows:
Play end log-on message according to first, record in playback equipment list and play end corresponding to first
Video and/or audio playback equipment；
The request message sent after connecting upper second broadcasting end according to intelligent terminal, in playback equipment list
Middle record is corresponding to the second video and/or audio playback equipment playing end, and second plays regarding of end
Frequency and/or intelligent terminal corresponding to audio-frequence player device.
Audio and video display device the most according to claim 7, it is characterised in that described registration
Module is additionally operable to arrange correspondence for the video and/or audio playback equipment of record in playback equipment list
Priority, and periodically update the presence of each playback equipment in playback equipment list；
Described broadcasting selects module to select the first broadcasting end according to the playback equipment list set up or/and the
Two play end plays out, and performs to operate as follows:
According to the presence of playback equipment in playback equipment list and priority, set from online broadcasting
The video and/or audio playback equipment that standby middle selection is preferential；
The audio frequency and video of headend equipment collection are distributed to preferential video and the audio-frequence player device selected
Play out.
Audio and video display device the most according to claim 6, it is characterised in that described broadcasting
The video playback apparatus selecting module to select is the first broadcasting end, and the audio-frequence player device selected is second
Playing end, described broadcasting selects module to be additionally operable to:
Voice data in original video and audio is carried out high frequency modulated, by original video data and high frequency modulation
Voice data after system is sent to the first broadcasting end and plays；
Original audio frequency and video are sent to intelligent terminal, so that original audio data is solved by intelligent terminal
It is sent to the second broadcasting end after Ma play.
Audio and video display device the most according to claim 9, it is characterised in that described broadcasting
Selection module is additionally operable to:
Identical timestamp sequence number is stamped in voice data after high frequency modulated and original audio data；
Receive the synchronization request message that intelligent terminal sends, adjust according to synchronization request message and be sent to the
One plays the time that end or second plays the audio frequency and video of end, and wherein said intelligent terminal for reception first is play
The end radio broadcasting to the voice data after high frequency modulated, enters with the timestamp sequence number of original audio data
Row compares, and sends synchronization request message according to comparative result.
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| CN105898233B (en) | 2019-03-08 |
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