CN105898233B - A kind of audio and video playing method and device in video monitoring - Google Patents
A kind of audio and video playing method and device in video monitoring Download PDFInfo
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- CN105898233B CN105898233B CN201610367593.4A CN201610367593A CN105898233B CN 105898233 B CN105898233 B CN 105898233B CN 201610367593 A CN201610367593 A CN 201610367593A CN 105898233 B CN105898233 B CN 105898233B
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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
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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
- 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)
- Automation & Control Theory (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses the audio and video playing method and devices in a kind of video monitoring, applied to video monitoring system, the audio and video playing method includes receiving the registration of headend equipment in video monitoring system, the first broadcasting end, intelligent terminal first, and according to the request message sent behind intelligent terminal connection upper second broadcasting end, establishes the first broadcasting end and second and play the corresponding playback equipment list in end；Then end is played according to the playback equipment list of foundation selection first or/and the second broadcasting end plays the audio-video of headend equipment acquisition.The inventive system comprises registration module and play selecting module.Methods and apparatus of the present invention can select the optimal playback equipment of effect to play video and audio respectively, while can also realize the synchronization of different playback equipments, make full use of high-quality equipment, provide best user experience.
Description
Technical field
The invention belongs to the audio and video playing methods and dress in technical field of video monitoring more particularly to a kind of video monitoring
It sets.
Background technique
With the popularity of the internet, video monitoring starts to be widely used in family, education, business, medical treatment, public place
Deng.It when the audio-video obtained to headend equipment IPC plays out, needs to guarantee the play clarity of video, guarantees that audio is broadcast
The sound quality put.
Currently, common selection has high-definition television or other high definitions to show equipment when carrying out video playing.And audio
Broadcasting, can using high-definition television carry audio frequency broadcast system play out.With the appearance of high-fidelity Baffle Box of Bluetooth,
Since high-fidelity Baffle Box of Bluetooth applies Bluetooth technology in traditional audio, realizes wireless audio transmission, allow user can
To exempt impeding for irritating transmission line, the music of high-quality is listened on comfortable ground in various ways.Therefore, video monitoring is playing sound
When frequency, better video equipment how to be selected to play, improve the audio experience of user, is that one of the art needs to solve
Certainly the problem of.
The prior art connects video monitoring equipment and television set generally by HDMI interface, is directly realized by television set
Video is shown and audio plays.However the audio frequency broadcast system that television set carries is often poorer than high-fidelity Baffle Box of Bluetooth effect, and
And audio-video can not utilize existing high-fidelity Baffle Box of Bluetooth equipment, cause wiring complicated all by television for play, equipment waste
The problem of, the experience of user is also bad.
Summary of the invention
The object of the present invention is to provide the audio and video playing method and devices in a kind of video monitoring, to solve existing skill
In art the problem of wiring is complicated, and equipment wastes can not be caused using existing high guarantee Baffle Box of Bluetooth equipment.
To achieve the goals above, 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, the audio and video playing method
Include:
Receive the registration of headend equipment in video monitoring system, the first broadcasting end, intelligent terminal, and is connected according to intelligent terminal
The request message sent behind the second broadcasting end is connected, the first broadcasting end and second is established and plays the corresponding playback equipment list in end；
End is played according to the playback equipment list of foundation selection first or/and the second broadcasting end plays headend equipment acquisition
Audio-video.
Further, the first broadcasting end and second of establishing plays the corresponding playback equipment list in end, comprising:
According to first play end registration information, in playback equipment list record correspond to first play end video and/
Or audio-frequence player device；
According to the request message sent behind intelligent terminal connection upper second broadcasting end, records and correspond in playback equipment list
The video and/or audio playback equipment for playing end in second and the video and/or audio playback equipment at the second broadcasting end are corresponding
Intelligent terminal.
Further, the first broadcasting end and second of establishing plays the corresponding playback equipment list in end, further includes:
Corresponding priority is arranged in video and/or audio playback equipment to record in playback equipment list；
Periodically update the presence of each playback equipment in playback equipment list.
It is described to play headend equipment according to the first broadcasting end of the playback equipment list of foundation selection or/and the second broadcasting end and adopt
The audio-video of collection, comprising:
According to the presence and priority of playback equipment in playback equipment list, selected from online playback equipment excellent
First video and/or audio playback equipment；
The audio-video that headend equipment acquires is distributed to the preferential video and audio-frequence player device selected to play out.
Further, the video playback apparatus selected is the first broadcasting end, and the audio-frequence player device selected is second
Play end, the audio and video playing method further include:
High frequency modulated is carried out to the audio data in original audio-video, by the audio after original video data and high frequency modulated
Data are sent to the broadcasting of the first broadcasting end；
Intelligent terminal is sent by original audio-video, so that intelligent terminal is sent to after being decoded to original audio data
Second, which plays end, plays.
Further, the audio and video playing method, further includes:
Identical timestamp serial number is stamped in audio data and original audio data after high frequency modulated；
Receive intelligent terminal send synchronization request message, according to synchronization request message adjustment be sent to the first broadcasting end or
Second plays the time of the audio-video at end, wherein the intelligent terminal, which receives first, plays end to the audio data after high frequency modulated
Radio broadcasting, be compared with the timestamp serial number of original audio data, according to comparison result send synchronization request message.
The invention also provides the audio and video display devices in a kind of video monitoring, are applied to video monitoring system, described
Audio and video display device includes:
Registration module, for receiving the registration of headend equipment in video monitoring system, the first broadcasting end, intelligent terminal, and
According to the request message sent behind intelligent terminal connection upper second broadcasting end, it is corresponding to establish the first broadcasting end and the second broadcasting end
Playback equipment list；
Selecting module is played, for playing end or/and the second broadcasting end according to the playback equipment list of foundation selection first
Play the audio-video of headend equipment acquisition.
Further, the registration module establishes the first broadcasting end and second and plays the corresponding playback equipment list in end, holds
The following operation of row:
According to first play end registration information, in playback equipment list record correspond to first play end video and/
Or audio-frequence player device；
According to the request message sent behind intelligent terminal connection upper second broadcasting end, records and correspond in playback equipment list
The video and/or audio playback equipment for playing end in second and the video and/or audio playback equipment at the second broadcasting end are corresponding
Intelligent terminal.
Further, the registration module is also used to set for the video and/or audio broadcasting recorded in playback equipment list
It is standby that corresponding priority is set, and periodically update the presence of each playback equipment in playback equipment list.
The broadcasting selecting module according to the playback equipment list of foundation selection first play end or/and second play end into
Row plays, and performs the following operations:
According to the presence and priority of playback equipment in playback equipment list, selected from online playback equipment excellent
First video and/or audio playback equipment；
The audio-video that headend equipment acquires is distributed to the preferential video and audio-frequence player device selected to play out.
Further, described to play the video playback apparatus that selecting module is selected as the first broadcasting end, the audio selected is broadcast
Putting equipment is the second broadcasting end, and the broadcasting selecting module is also used to:
High frequency modulated is carried out to the audio data in original audio-video, by the audio after original video data and high frequency modulated
Data are sent to the broadcasting of the first broadcasting end；
Intelligent terminal is sent by original audio-video, so that intelligent terminal is sent to after being decoded to original audio data
Second, which plays end, plays.
Further, the broadcasting selecting module is also used to:
Identical timestamp serial number is stamped in audio data and original audio data after high frequency modulated；
Receive intelligent terminal send synchronization request message, according to synchronization request message adjustment be sent to the first broadcasting end or
Second plays the time of the audio-video at end, wherein the intelligent terminal, which receives first, plays end to the audio data after high frequency modulated
Radio broadcasting, be compared with the timestamp serial number of original audio data, according to comparison result send synchronization request message.
The invention proposes the audio and video playing method and device in a kind of video monitoring, by establish the first broadcasting end and
Second plays the corresponding playback equipment list in end, when playing the audio-video of headend equipment acquisition, according to the playback equipment of foundation
The first broadcasting end of list selection or/and the second broadcasting end play out, and divide so as to select the optimal playback equipment of effect
Not Bo Fang video and audio, while can also realize the synchronization of different playback equipments.It may be implemented there are high-fidelity bluetooth sounds
When case, audio decoder is preferentially carried out by Baffle Box of Bluetooth, when Baffle Box of Bluetooth then carries out audio decoder by television set offline.The present invention
Method be capable of providing and make full use of high-quality equipment, best user experience is provided.
Detailed description of the invention
Fig. 1 is video monitoring system of embodiment of the present invention structural schematic diagram；
Fig. 2 is the audio and video playing method flow diagram in video monitoring of the present invention.
Specific embodiment
Technical solution of the present invention is described in further details with reference to the accompanying drawings and examples, following embodiment is not constituted
Limitation of the invention.
For the present embodiment by taking the video monitoring system in family as shown in Figure 1 as an example, which includes front end
Equipment, NVR, display equipment, intelligent terminal, wireless audio devices and wireless router.Wherein headend equipment is network shooting
Machine IPC or common camera and encoder, display equipment generally use high-definition television TV or other large-screen display equipments, intelligence
Energy terminal is the smart phone or Intelligent flat computer of user, and wireless audio devices are high-fidelity Baffle Box of Bluetooth.IPC and NVR can
It is wirelessly connected with passing through, can also be by wired connection, smart phone is connected to NVR by wireless router, between TV and NVR
By wireless router connection or wired connection, pass through bluetooth connection between high-fidelity Baffle Box of Bluetooth and smart phone.
The networking of the present embodiment is only with the video monitoring system in family, and wherein wireless router uses the common road WIFI
By device, and by bluetooth connection between high-fidelity Baffle Box of Bluetooth and smart phone, with the development of technology, 3G/4G or other width
Band wireless technology is suitable for the present invention as long as its bandwidth supported can satisfy real-time audio video transmission, no longer superfluous here
It states.
IPC, TV and smart phone are all registered to NVR, can be managed by NVR, meeting when IPC, TV and smart phone are registered
The device id mark of itself is carried, NVR, which is changed by the IP address of this device id and the equipment of registration come additions and deletions, looks into equipment, Yi Jihe
Every equipment is communicated.IPC is responsible for acquiring video and audio, sends data by network after compressed encoding and flows to NVR, by
NVR is responsible for carrying out the audio/video flow of IPC one-to-many media stream duplication distribution, and the purpose equipment of distribution can be TV, can also
To be smart phone.So as to selectively play video using TV, audio, band are played using high-fidelity Baffle Box of Bluetooth
Give user good experience.
As shown in Fig. 2, the audio and video playing method in a kind of video monitoring of the present embodiment, is applied to NVR, including walk as follows
It is rapid:
Step S1, NVR receive headend equipment in video monitoring system, first play end, intelligent terminal registration, and according to
The request message sent behind intelligent terminal connection upper second broadcasting end establishes the first broadcasting end and second and plays the corresponding broadcasting in end
List of devices.
In general the playback equipment ability to play all with video and audio, can also only have a kind of ability to play,
But the video effect of some equipment is good, the audio frequency effect of some equipment is good, and the first playback equipment of the present embodiment and second plays
Equipment is exactly video, the discrepant playback equipment of audio frequency effect tool.Such as first play end be television set, smart phone or intelligence
Plate etc., and the second broadcasting end is high-fidelity Baffle Box of Bluetooth or the speaker of other high-quality etc..Intelligent terminal uses smart phone
Or Intelligent flat is realized, connection second plays end, and sends request message to NVR, and report the state at the second broadcasting end,
End is played to second and forwards the audio from NVR, and plays end for synchronizing the first broadcasting end and second.
It is easily understood that smart phone can mask the audio of itself when the first broadcasting end is also smart phone
Module sends the audio to the high-fidelity Baffle Box of Bluetooth of bluetooth connection, i.e., plays video on smart phone, in high-fidelity bluetooth
Audio is played on speaker.But this analogue video effect is bad, does not consider in the present invention.
In following description, first plays end as television set TV to the present embodiment, and the second broadcasting end is high-fidelity Baffle Box of Bluetooth,
Intelligent terminal is smart phone, is repeated no more later.
IPC, TV and smart phone are all registered to NVR, can be managed by NVR, meeting when IPC, TV and smart phone are registered
The device id mark of itself is carried, NVR, which is changed by the IP address of this device id and the equipment of registration come additions and deletions, looks into equipment, Yi Jihe
Every equipment is communicated.
Smart phone is connect by bluetooth with high-fidelity Baffle Box of Bluetooth, when high-fidelity Baffle Box of Bluetooth and intelligent mobile phone Bluetooth connect
It connects after being successfully established, smart phone sends the newly-increased request message of a Bluetooth audio equipment to NVR, carries in request message high
The ID of fidelity Baffle Box of Bluetooth equipment and the MAC Address of smart phone.After NVR receives this message request, smart phone is obtained
The ID of MAC Address and high-fidelity Baffle Box of Bluetooth equipment.
According to the registration information of each equipment and the request message of smart phone, NVR can establish the first broadcasting end and
Two play the corresponding playback equipment list in end, it may be assumed that
According to first play end registration information, in playback equipment list record correspond to first play end video and/
Or audio-frequence player device；
According to the request message sent behind intelligent terminal connection upper second broadcasting end, records and correspond in playback equipment list
The video and audio-frequence player device at the video and/or audio playback equipment for playing end in second and the second broadcasting end are corresponding
Intelligent terminal.
It is television set that the present embodiment first, which plays end, and second plays end as high-fidelity Baffle Box of Bluetooth, therefore only in selection
It needs to select different audio-frequence player devices, therefore the playback equipment list established is as shown in table 1:
Table 1
Table 1 is audio-frequence player device list, so it is easy to understand that it equally can establish video playback apparatus list, two
And be playback equipment list.There is high-fidelity Baffle Box of Bluetooth equipment Blue_Sound1 in audio-frequence player device list, before also having
The video playback apparatus TV_Sound of the TV equipment of registration.If the second broadcasting end can equally support video playing, in table 1
Middle needs while record first play end and second and play the video playback apparatus at end, and which is not described herein again.
It is easily understood that the present embodiment, which establishes the first broadcasting end and second, plays the corresponding playback equipment list in end,
The first broadcasting end and second can be added directly on NVR and plays the corresponding playback equipment in end, and which is not described herein again.
The priority of each video, audio-frequence player device is additionally provided in the present embodiment, the numerical value of priority is smaller, then excellent
First grade is higher.Such as setting first plays the priority video corresponding higher than the second broadcasting end of the corresponding video playback apparatus in end
Playback equipment, and the priority of the corresponding audio-frequence player device in the second broadcasting end is higher than the corresponding audio broadcasting in the first broadcasting end and sets
It is standby.It is 1 that the audio of high-fidelity Baffle Box of Bluetooth, which plays priority, in the present embodiment, is higher than the preferential of the audio broadcasting of TV equipment
Grade 3.In the case where priority is arranged, video and audio is sent according to the height of priority to play out respectively, do not set
It is directly to send the video to TV, and audio is sent to high-fidelity bluetooth sound by smart phone in the case where setting priority
Case.
So as to select different video playback apparatus or audio-frequence player device to play out according to priority.Example
Such as in no smart phone, or when there is no high-fidelity Baffle Box of Bluetooth, only TV is selected to play audio and video；There is TV, having again
When high-fidelity Baffle Box of Bluetooth, TV is selected to play video, the high-fidelity Baffle Box of Bluetooth connecting with smart phone is selected to play sound
Frequently.
In order to effectively identify that the playing audio/video in network, NVR can be updated periodically playback equipment list, refresh
The presence of each equipment in playback equipment list, as shown in table 2:
Table 2
Wherein online indicates online, and offline indicates offline.Thus it is apparent which playback equipment is online, it can
To be selected.The present embodiment is updated periodically playback equipment list, such as can update primary or update one in 15 seconds with 30 seconds
It is secondary, it is without limitation.Renewal process can be playback equipment oneself active reporting state, can also be broadcast by NVR equipment query
The state of equipment is put, which is not described herein again.When not including presence in playlist, directly send audio-video to selected
Equipment show mistake when equipment is not online, then replacement other equipment play automatically.
Since a high-fidelity Baffle Box of Bluetooth may be bound by multiple smart phones, but synchronization, it can only be some intelligence
The high-fidelity Baffle Box of Bluetooth of energy handset binding is online.So NVR is by the smart phone MAC and smart phone that currently register
Current online high-fidelity Baffle Box of Bluetooth state judgement, currently available high-fidelity Baffle Box of Bluetooth and smart phone.It is multiple having
When smart phone, audio-frequence player device list is as shown in table 3:
Table 3
According to table 3, so that it may select online smart phone, and be played using high-fidelity Baffle Box of Bluetooth connected to it
Audio.Simultaneous selection TV plays video.
Step S2, it plays front end according to the first broadcasting end of the playback equipment list of foundation selection or/and the second broadcasting end and sets
The audio-video of standby acquisition.
When being played out according to the first broadcasting end of the playback equipment list of foundation selection or/and the second broadcasting end, according to
The presence and priority of playback equipment in playback equipment list, selected from online playback equipment preferential video and/
Or audio-frequence player device, the audio-video that headend equipment acquires is distributed to the preferential video selected and audio-frequence player device carries out
It plays.
In the present embodiment, NVR inquires playback equipment list, and TV is the preference faciltiy for playing video, and audio broadcasting is set
Standby, first according to equipment on-line state analysis, which audio frequency apparatus is online, and preferentially setting for audio broadcasting is first obtained further according to priority
It is standby.It is divided into following two situation:
Embodiment 1, high-fidelity Baffle Box of Bluetooth be not online.
When intelligent terminal smart phone is not online or high-fidelity Baffle Box of Bluetooth does not plug in or failure, is playing
In list of devices, smart phone connected second broadcasting end be it is offline, i.e., high-fidelity Baffle Box of Bluetooth is shown as offline, Wu Falian
High-fidelity Baffle Box of Bluetooth is connect to play audio, therefore the first broadcasting end TV can only be selected come playing audio-video according to priority.
At this point, audio-video is sent to the first broadcasting end TV by NVR, the broadcasting of audio-video is carried out.
Embodiment 2, high-fidelity Baffle Box of Bluetooth are online.
Here it inquires and audio is needed to play the Blue_Sound1 (Baffle Box of Bluetooth) for preferentially using smart phone, video counts
According to being decoded broadcasting by TV (TV).
The TV with high image quality can be sent the video at this time to play out, and there is biggish screen, and by sound
Frequency by smart phone is forwarded to high-fidelity Baffle Box of Bluetooth to play out, sound quality with higher.
For embodiment 2, preferential video playback apparatus is the first broadcasting end, and preferential audio-frequence player device is broadcast for second
End is put, NVR includes the following steps: in the audio/video flow for needing to play IPC
1), NVR obtains audio and video data streams, carries out high frequency modulated coding to voice data stream therein.
It includes video and audio inside the audio and video data streams all the way of IPC that NVR is obtained by network, and NVR obtains audio number
According to stream, since the sample rate of the audio in general video monitoring data flow is generally 8KHZ, the sound frequency that human ear can be heard
Between 2Hz -20KHz.If the audio and video data streams that directly will acquire are sent to the end TV, the end TV if, can directly play view
Frequency and audio can be handled television mute at this time if being not desired to listen the audio of TV.
The present embodiment preferably, re-starts audio data using frequency modulation broadcasting working frequency 87.5MHz-108MHz
Modulating-coding, the i.e. frequency range of the frequency modulation of its carrier wave use 87.5MHz-108MHz.After such audio data is sent to TV, TV is broadcast
The audio human ear put also be can't hear, so user is the sound that can not be heard on TV at this time at this time.
2), NVR sends the first broadcasting end for the audio data after original video data and high frequency modulated and plays, will be original
The original video data and original audio data of audio-video are sent to intelligent terminal, are carried out by intelligent terminal to original audio data
The broadcasting of the second broadcasting end is sent to after decoding.
It after TV receives audio and video data streams, is decoded, since video plays on the screen, since audio is
The high-frequency signal of 87.5MHz-108MHz, the sound frequency that human ear can be heard is between 2Hz -20KHz, so user is at this time
It can not hear the sound on TV at this time.
After smart phone receives audio and video data streams, only audio data therein is decoded, is sent by bluetooth
End high-fidelity Baffle Box of Bluetooth is played to second to play.
Further, two-way audio, video data is separately sent to by TV and smart phone due to NVR, just having between the two can
There can be nonsynchronous problem, the audio for showing as the video played on TV and playing on high-fidelity Baffle Box of Bluetooth is asynchronous.Cause
This, the present embodiment NVR is when carrying out high frequency modulated to audio data, audio data and original audio data after high frequency modulated
In stamp identical timestamp serial number.
The then high-frequency audio that the end TV can will receive externally sends frequency modulation radio by built-in wireless radio frequency modules, intelligence
Mobile phone terminal receives this high-frequency signal, compares the timestamp serial number of high-frequency audio signal and original audio signal, and acquisition time is poor,
If mobile phone end is fast, the original audio of smart phone is buffered, if the end TV is fast, smart phone notifies NVR adjustment hair
It is sent to the audio and video data streams of TV.
Specifically, comprising:
The modulated audio that the end TV will receive sends FM radio；
Smart phone receives FM radio, while obtaining corresponding timestamp t2；
Smart phone gets the timestamp t1 of original audio data；
Smart phone compares the timestamp of two audio datas, sends synchronization request message according to comparison result:
If t2 < t1, then it represents that television is fast, and mobile phone end is slow, then mobile phone end send synchronization request message to
NVR, it is desirable that the audio and video data streams that NVR is sent to TV will slow down time x=(t1-t2)/2 and retransmit；
If t2 > t1, then it represents that mobile phone end is fast, and television is slow, then mobile phone end send synchronization request message to
NVR, it is desirable that the audio and video data streams that NVR is sent to smart phone will slow down time x=(t2-t1)/2 and retransmit.
After i.e. smart phone receives wireless frequency modulation broadcast, compares the timestamp of two audio datas, sent out according to comparison result
Send synchronization request message, NVR receives the synchronization request message that intelligent terminal is sent, and is sent to the according to synchronization request message adjustment
One plays the time of the audio-video at end or the second broadcasting end.
Since NVR constantly refreshes audio frequency apparatus list, then when some equipment in audio frequency apparatus list is left, then cut automatically
Audio/video decoding equipment is changed, for example, Baffle Box of Bluetooth leaves, then audio automatically switches into television set and carries out audio decoder.Work as audio
Smart phone is offline or situations such as bluetooth disconnects in list of devices, and NVR is 3 seconds for example every in some cycles, into
Row detection informs that audio frequency apparatus exits, then NVR is sound wherein can also report NVR equipment immediately before audio frequency apparatus is actively offline
Equipment state in frequency equipment list is set as Offline off-line state.TV is needed to be also required to broadcast while playing video at this time
Playback frequency, NVR is directed to the data packet of audio at this time, not carry out high frequency modulated.
Method through this embodiment may be implemented preferentially to be carried out by Baffle Box of Bluetooth when there are high-fidelity Baffle Box of Bluetooth
Audio decoder, when Baffle Box of Bluetooth then carries out audio decoder by television set offline.
Corresponding to the above method, audio and video display device in a kind of video monitoring of the present embodiment is applied to video monitoring
System, specifically the audio and video display device is applied to NVR, also can be applied to other services in video monitoring system
Device, such as video management server.
The audio and video display device includes:
Registration module, for receiving the registration of headend equipment in video monitoring system, the first broadcasting end, intelligent terminal, and
According to the request message sent behind intelligent terminal connection upper second broadcasting end, it is corresponding to establish the first broadcasting end and the second broadcasting end
Playback equipment list；
Selecting module is played, for playing end or/and the second broadcasting end according to the playback equipment list of foundation selection first
Play the audio-video of headend equipment acquisition.
Accordingly with the above method, the present embodiment registration module establishes the first broadcasting end and second and plays the corresponding broadcasting in end
List of devices performs the following operations:
According to first play end registration information, in playback equipment list record correspond to first play end video and/
Or audio-frequence player device；
According to the request message sent behind intelligent terminal connection upper second broadcasting end, records and correspond in playback equipment list
The video and/or audio playback equipment for playing end in second and the video and/or audio playback equipment at the second broadcasting end are corresponding
Intelligent terminal.
Preferably, the present embodiment registration module is also used to periodically update the online of each playback equipment in playback equipment list
State.
Preferably, the present embodiment registration module is also used to play for the video and/or audio recorded in playback equipment list
Corresponding priority is arranged in equipment；
The present embodiment plays selecting module and plays end or/and the second broadcasting according to the playback equipment list of foundation selection first
End plays out, and performs the following operations:
According to the presence and priority of playback equipment in playback equipment list, selected from online playback equipment excellent
First video and/or audio playback equipment；
The audio-video that headend equipment acquires is distributed to the preferential video and audio-frequence player device selected to play out.
In the present embodiment, playing the video playback apparatus that selecting module is selected is the first broadcasting end TV, the audio selected
Playback equipment is the second broadcasting end high-fidelity Baffle Box of Bluetooth, then plays selecting module and be also used to:
High frequency modulated is carried out to the audio data in original audio-video, by the audio after original video data and high frequency modulated
Data are sent to the broadcasting of the first broadcasting end；
Intelligent terminal is sent by original audio-video, so that intelligent terminal is sent to after being decoded to original audio data
Second, which plays end, plays.
To play video at the end TV, and human ear can't hear the audio of TV, play audio on high-fidelity Baffle Box of Bluetooth, mention
For the video and audio experience of high quality.
In order to synchronize the different videos and audio for playing end, broadcasting selecting module is also used to the present embodiment:
Identical timestamp serial number is stamped in audio data and original audio data after high frequency modulated；
Receive intelligent terminal send synchronization request message, according to synchronization request message adjustment be sent to the first broadcasting end or
Second plays the time of the audio-video at end, wherein the intelligent terminal, which receives first, plays end to the audio data after high frequency modulated
Radio broadcasting, be compared with the timestamp serial number of original audio data, according to comparison result send synchronization request message.
To ensure that the first broadcasting end plays the synchronous of end with second.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, without departing substantially from essence of the invention
In the case where mind and its essence, those skilled in the art make various corresponding changes and change in accordance with the present invention
Shape, but these corresponding changes and modifications all should fall within the scope of protection of the appended claims of the present invention.
Claims (8)
1. a kind of audio and video playing method in video monitoring is applied to video monitoring system, which is characterized in that the audio-video
Playback method includes:
Receive the registration of headend equipment in video monitoring system, the first broadcasting end, intelligent terminal, and is connected according to intelligent terminal
The request message sent behind second broadcasting end establishes the first broadcasting end and second and plays the corresponding playback equipment list in end；
End is played according to the playback equipment list of foundation selection first or/and the second broadcasting end plays the sound view of headend equipment acquisition
Frequently；
It is described that broadcasting headend equipment acquisition in end is played according to the first broadcasting end of the playback equipment list of foundation selection or/and second
Audio-video, the video playback apparatus selected are the first broadcasting end, and the audio-frequence player device selected is the second broadcasting end, the sound view
Frequency playback method further include:
High frequency modulated is carried out to the audio data in original audio-video, by the audio data after original video data and high frequency modulated
It is sent to the broadcasting of the first broadcasting end；
Intelligent terminal is sent by original audio-video, so that intelligent terminal is sent to second after being decoded to original audio data
End is played to play.
2. audio and video playing method according to claim 1, which is characterized in that broadcast at the first broadcasting end and second of establishing
Put the corresponding playback equipment list in end, comprising:
End registration information is played according to first, record corresponds to the first video and/or sound for playing end in playback equipment list
Frequency playback equipment；
According to the request message that sends behind intelligent terminal connection upper second broadcasting end, record is corresponding to the in playback equipment list
Two play the corresponding intelligence of video and/or audio playback equipment of the video and/or audio playback equipment at end and the second broadcasting end
It can terminal.
3. audio and video playing method according to claim 2, which is characterized in that broadcast at the first broadcasting end and second of establishing
Put the corresponding playback equipment list in end, further includes:
Corresponding priority is arranged in video and/or audio playback equipment to record in playback equipment list；
Periodically update the presence of each playback equipment in playback equipment list；
It is described that broadcasting headend equipment acquisition in end is played according to the first broadcasting end of the playback equipment list of foundation selection or/and second
Audio-video, comprising:
According to the presence and priority of playback equipment in playback equipment list, selected preferentially from online playback equipment
Video and/or audio playback equipment；
The audio-video that headend equipment acquires is distributed to the preferential video and audio-frequence player device selected to play out.
4. audio and video playing method according to claim 1, which is characterized in that the audio and video playing method, further includes:
Identical timestamp serial number is stamped in audio data and original audio data after high frequency modulated；
The synchronization request message that intelligent terminal is sent is received, the first broadcasting end or second are sent to according to synchronization request message adjustment
The time of the audio-video at end is played, wherein the intelligent terminal, which receives first, plays end to the nothing of the audio data after high frequency modulated
Line broadcast, is compared with the timestamp serial number of original audio data, sends synchronization request message according to comparison result.
5. the audio and video display device in a kind of video monitoring is applied to video monitoring system, which is characterized in that the audio-video
Playing device includes:
Registration module, for receive headend equipment in video monitoring system, first play end, intelligent terminal registration, and according to
The request message sent behind intelligent terminal connection upper second broadcasting end establishes the first broadcasting end and second and plays the corresponding broadcasting in end
List of devices；
Selecting module is played, for playing end or/and the second broadcasting end broadcasting according to the playback equipment list of foundation selection first
The audio-video of headend equipment acquisition；
Described to play the video playback apparatus that selecting module is selected as the first broadcasting end, the audio-frequence player device selected is broadcast for second
End is put, the broadcasting selecting module is also used to:
High frequency modulated is carried out to the audio data in original audio-video, by the audio data after original video data and high frequency modulated
It is sent to the broadcasting of the first broadcasting end；
Intelligent terminal is sent by original audio-video, so that intelligent terminal is sent to second after being decoded to original audio data
End is played to play.
6. audio and video display device according to claim 5, which is characterized in that the registration module establishes the first broadcasting end
Playback equipment list corresponding with the second broadcasting end, performs the following operations:
End registration information is played according to first, record corresponds to the first video and/or sound for playing end in playback equipment list
Frequency playback equipment；
According to the request message that sends behind intelligent terminal connection upper second broadcasting end, record is corresponding to the in playback equipment list
Two play the corresponding intelligence of video and/or audio playback equipment of the video and/or audio playback equipment at end and the second broadcasting end
It can terminal.
7. audio and video display device according to claim 6, which is characterized in that the registration module is also used to play and set
Corresponding priority is arranged in the video and/or audio playback equipment recorded in standby list, and periodically updates playback equipment column
The presence of each playback equipment in table；
The broadcasting selecting module is broadcast according to the first broadcasting end of the playback equipment list of foundation selection or/and the second broadcasting end
It puts, performs the following operations:
According to the presence and priority of playback equipment in playback equipment list, selected preferentially from online playback equipment
Video and/or audio playback equipment；
The audio-video that headend equipment acquires is distributed to the preferential video and audio-frequence player device selected to play out.
8. audio and video display device according to claim 5, which is characterized in that the broadcasting selecting module is also used to:
Identical timestamp serial number is stamped in audio data and original audio data after high frequency modulated；
The synchronization request message that intelligent terminal is sent is received, the first broadcasting end or second are sent to according to synchronization request message adjustment
The time of the audio-video at end is played, wherein the intelligent terminal, which receives first, plays end to the nothing of the audio data after high frequency modulated
Line broadcast, is compared with the timestamp serial number of original audio data, sends synchronization request message according to comparison result.
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| CN109195009B (en) * | 2018-10-22 | 2021-06-22 | 奇酷互联网络科技（深圳）有限公司 | Audio and video playing method and playing system, intelligent sound box and storage device |
| CN111124332B (en) | 2019-11-18 | 2024-03-01 | 北京小米移动软件有限公司 | Control method, control device and storage medium for device presentation content |
| CN113824780B (en) * | 2021-09-16 | 2022-08-05 | 苏州万店掌网络科技有限公司 | Method and device for eliminating real-time talkback noise of monitoring equipment |
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