CN104113729A - A monitoring system and monitoring method for simultaneously supporting two paths of audio inputs - Google Patents
A monitoring system and monitoring method for simultaneously supporting two paths of audio inputs Download PDFInfo
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- CN104113729A CN104113729A CN201410331855.2A CN201410331855A CN104113729A CN 104113729 A CN104113729 A CN 104113729A CN 201410331855 A CN201410331855 A CN 201410331855A CN 104113729 A CN104113729 A CN 104113729A
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Abstract
The invention provides a monitoring system for simultaneously supporting two paths of audio inputs. The monitoring system comprises a first pickup device, a second pickup device, a network camera, a network hard disk video recorder and a loudspeaker box. The network camera is connected with the first pickup device and the second pickup device through connecting lines at the audio input port of the network camera so as to receive collected audio data; the network hard disk video recorder is connected with the network camera through a switch and a network to receive video data collected by the network camera and the audio data collected by the first pickup device and the second pickup device; and the loudspeaker box is connected with the audio output port of the network hard disk video recorder through a metal connecting line. The monitoring system can realize two paths of audio inputs and independent play on the basis of not changing the design of a conventional hardware architecture, enlarge the audio monitoring range, meet the monitoring demands in special fields, and save cost. The invention also relates to a monitoring method for simultaneously supporting two paths of audio inputs.
Description
Technical field
The present invention relates to safety monitoring technical field, in particular to a kind of monitoring system and monitor method of supporting two-way audio input simultaneously.
Background technology
Conventional security protection video monitoring system is comprised of equipment such as video camera, DVR, and along with high-definition video technology development, safety defense monitoring system is more and more higher Qinghua and networking also, and web camera and DVR are widely used in a large number.A conventional web camera is supported a road video input, audio frequency input He Yi road, a road audio frequency output.The video image of high-definition network camera can cover larger wider monitoring range, and only have a road audio frequency input can only monitor the sound within the scope of subregion, in some special monitoring places as the sales counter of bank, the video image of a high-definition network camera can cover two sales counters, but can only monitor the sound dialogue of a sales counter, have complete hidden danger and leak, current web camera is only supported a road audio frequency input, can not meet the demand of the special industries such as picture bank.The DVR for audio frequency and video video recording storage of simultaneously using also can only support the playback of a road Voice & Video to play, and can not meet equally the demand of the special industries such as picture bank.
Summary of the invention
The present invention is intended to solve above-mentioned deficiency of the prior art, proposes a kind of monitoring system and monitor method of simultaneously supporting two-way audio input.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is as follows:
A monitoring system of simultaneously supporting two-way audio input, comprises the first pick-up, the second pick-up, a web camera, a network hard disk video recorder and an audio amplifier, wherein:
Described web camera is connected with described the first pick-up, the second pick-up respectively by the connecting line of its audio input port, the voice data that reception the first pick-up, the second pick-up gather;
Described network hard disk video recorder is connected with described web camera with network by switch, receives the video data that web camera gathers, and the voice data of the first pick-up or the collection of the second pick-up;
Described audio amplifier is connected with the audio output port of described network hard disk video recorder by metal connecting line.
Further in embodiment, the left and right acoustic channels audio input port of described web camera separately connect described the first pick-up, the second pick-up, receive the voice data that the first pick-up, the second pick-up gather, then the central processing unit of described web camera is carried out following function:
The voice data that L channel and right audio channel input port are received mixes and audio coding is processed;
The video data that web camera is gathered carries out Video coding processing; And
Voice data and video data after aforementioned coding is processed are packaged into network packet.
Further, in embodiment, described network hard disk video recorder receives described network packet by described switch and network, and the central processing unit of network hard disk video recorder is carried out following function:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather.
Further, in embodiment, the voice data of the audio output port output of described audio amplifier based on described network hard disk video recorder, plays.
Further, in embodiment, the coded system that described audio coding adopts is: G711 audio coding.
Further, in embodiment, the coded system that described Video coding adopts is: H264 Video coding.
Another aspect of the present invention also proposes a kind of monitor method of simultaneously supporting two-way audio input, comprises the following steps:
Utilize one first pick-up and the second pick-up to gather respectively the voice data of different places, and transfer to a web camera by metal connecting line;
Web camera utilizes its L channel and right audio channel input port to receive respectively described voice data, and carries out following operation:
The video data that the voice data that L channel and right audio channel input port are received mixes and audio coding is processed, web camera is gathered carry out Video coding processing and aforementioned coding is processed after voice data and video data be packaged into network packet;
Network hard disk video recorder receives described network packet by switch and network, and carries out following operation:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather;
One audio amplifier that is connected to the audio output port of described network hard disk video recorder is play the voice data of exporting by described audio output port.
Further, in embodiment, the coded system that described audio coding adopts is: G711 audio coding.
Further, in embodiment, the coded system that described Video coding adopts is: H264 Video coding.
From the above technical solution of the present invention shows that, beneficial effect of the present invention is:
In the prior art on the hardware foundation of web camera and DVR, do not need to do the change of any hardware, utilize an already present road audio frequency input, divide into L channel and R channel, L channel and right audio channel data mixing Wei Yi road stereo data, carry out compression coding, form a road audio, video data together with the video image of encoding through H264 encryption algorithm, through Ethernet, transfer to DVR and store and play in real time.DVR is utilized an already present road audio frequency output, externally under configuration or selection control, realizes the voice data of L channel and R channel and separately plays, thereby reach web camera and the DVR function of simultaneously supporting two-way audio input.
Utilize monitoring system and the monitor method of simultaneously supporting two-way audio input of the present invention, can not change on the basis of existing product structure and hardware designs, realize two-way audio input and independent play-out, expand audio select scope, meet the listen requirement (for example bank) of special industry, save cost.
Accompanying drawing explanation
Fig. 1 is the configuration diagram that an embodiment of the present invention is supported the monitoring system of two-way audio input simultaneously.
Fig. 2 is the realization flow schematic diagram that an embodiment of the present invention is supported the monitor method of two-way audio input simultaneously.
Embodiment
In order more to understand technology contents of the present invention, especially exemplified by specific embodiment and coordinate appended graphic being described as follows.
As shown in Figure 1, according to preferred embodiment of the present invention, a kind of monitoring system of simultaneously supporting two-way audio input, comprises the first pick-up 1a, the second pick-up 1b, a web camera 2, a network hard disk video recorder 4 and an audio amplifier 5.
Shown in figure 1, web camera 2 is connected with described the first pick-up 1a, the second pick-up 1b respectively by the connecting line of its audio input port, receives the voice data that the first pick-up 1a, the second pick-up 1b gather.
Two pick-up 1a, 1b continuously record, and gather outside voice data.Once two-way pick-up 1a, 1b access network video camera 2, the audio frequency work for the treatment of of web camera 2 starts.
As shown in Figure 1, web camera 2 is by a switch 3 and via network, for example Ethernet, be connected with network hard disk video recorder 4, realize the transmission of data, receive the video data that web camera 2 gathers, and the voice data of the first pick-up 1a or the second pick-up 1b collection.
Described audio amplifier 5 is connected with the audio output port of described network hard disk video recorder 4 by metal connecting line.
Web camera 2 adopts conventional design, and it is comprised of the central processor CPU with encoder, SENSOR module, audio processing modules, mixed-media network modules mixed-media, power module etc.The left and right acoustic channels audio input port of web camera 2 separately connect described the first pick-up 1a, the second pick-up 1b, receive the voice data that the first pick-up 1a, the second pick-up 1b gather.
After receiving the L channel and right audio channel data that pick-up 1a, 1b transmit, web camera 2 carries out digital sample processing, and the central processing unit of this web camera 2 is carried out following function:
The voice data that the L channel of web camera 2 and right audio channel input port are received mixes and audio coding is processed;
The video data that web camera is gathered carries out Video coding processing; And
Voice data and video data after aforementioned coding is processed are packaged into network packet.
Aforementioned data bag transfers to network hard disk video recorder 4 by network and switch 3.
Shown in figure 1, network hard disk video recorder 4 receives described network packet by described switch 3 and network, and the central processing unit of network hard disk video recorder is carried out following function:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather.
In the present embodiment, network hard disk video recorder 4 only has an audio frequency output channel, this audio frequency output channel connects the audio input channel of audio amplifier 5, on the operation interface of DVR 4 or configuration interface, can allow user can select the audio frequency output of L channel or R channel, user, select or the rear audio frequency output channel output L channel of DVR 4 or the audio frequency of R channel of passing through of configuration, then by sound equipment 5, play the voice data of this passage.
So, network hard disk video recorder is after the audio frequency output that receives user's configuration or select is controlled, by the audio output port of network hard disk video recorder 4, export the voice data that described the first pick-up or the second pick-up gather, the voice data of the audio output port output of audio amplifier 5 based on this network hard disk video recorder, plays.
Be illustrated in figure 2 an embodiment of the present invention and support the realization flow schematic diagram of the monitor method of two-way audio input simultaneously, wherein, a kind of monitor method of simultaneously supporting two-way audio input, comprises the following steps:
Utilize one first pick-up 1a and the second pick-up 1b to gather respectively the voice data of different places, and transfer to a web camera 2 by metal connecting line;
Web camera 2 utilizes its L channel and right audio channel input port to receive respectively described voice data, and carries out following operation:
The video data that the voice data that L channel and right audio channel input port are received mixes and audio coding is processed, web camera is gathered carry out Video coding processing and aforementioned coding is processed after voice data and video data be packaged into network packet;
Network hard disk video recorder 4 for example, receives described network packet by switch 3 and network (Ethernet), and carries out following operation:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather;
One audio amplifier 5 that is connected to the audio output port of described network hard disk video recorder 4 is play the voice data of exporting by described audio output port.
As previously shown, as preferred embodiment, the coded system that aforementioned audio coding adopts is: G711 audio coding.The coded system that aforementioned Video coding adopts is: H264 Video coding.
Although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on claims person of defining.
Claims (9)
1. a monitoring system of simultaneously supporting two-way audio input, is characterized in that, comprises the first pick-up, the second pick-up, a web camera, a network hard disk video recorder and an audio amplifier, wherein:
Described web camera is connected with described the first pick-up, the second pick-up respectively by the connecting line of its audio input port, the voice data that reception the first pick-up, the second pick-up gather;
Described network hard disk video recorder is connected with described web camera with network by switch, receives the video data that web camera gathers, and the voice data of the first pick-up or the collection of the second pick-up;
Described audio amplifier is connected with the audio output port of described network hard disk video recorder by metal connecting line.
2. the monitoring system of simultaneously supporting two-way audio input according to claim 1, it is characterized in that, the left and right acoustic channels audio input port of described web camera separately connect described the first pick-up, the second pick-up, receive the voice data that the first pick-up, the second pick-up gather, then the central processing unit of described web camera is carried out following function:
The voice data that L channel and right audio channel input port are received mixes and audio coding is processed;
The video data that web camera is gathered carries out Video coding processing; And
Voice data and video data after aforementioned coding is processed are packaged into network packet.
3. the monitoring system of simultaneously supporting two-way audio input according to claim 2, it is characterized in that, described network hard disk video recorder receives described network packet by described switch and network, and the central processing unit of network hard disk video recorder is carried out following function:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather.
4. the monitoring system of simultaneously supporting two-way audio input according to claim 1, is characterized in that, the voice data of the audio output port output of described audio amplifier based on described network hard disk video recorder, plays.
5. the monitoring system of simultaneously supporting two-way audio input according to claim 1, is characterized in that, the coded system that described audio coding adopts is: G711 audio coding.
6. the monitoring system of simultaneously supporting two-way audio input according to claim 1, is characterized in that, the coded system that described Video coding adopts is: H264 Video coding.
7. a monitor method of simultaneously supporting two-way audio input, is characterized in that, comprises the following steps:
Utilize one first pick-up and the second pick-up to gather respectively the voice data of different places, and transfer to a web camera by metal connecting line;
Web camera utilizes its L channel and right audio channel input port to receive respectively described voice data, and carries out following operation:
The video data that the voice data that L channel and right audio channel input port are received mixes and audio coding is processed, web camera is gathered carry out Video coding processing and aforementioned coding is processed after voice data and video data be packaged into network packet;
Network hard disk video recorder receives described network packet by switch and network, and carries out following operation:
Voice data in aforementioned network packet and video data are carried out to separated decoding;
The voice data that carries out again L channel and R channel is separated;
The audio frequency output that receives user's configuration or select is controlled, and by the audio output port of network hard disk video recorder, exports the voice data that described the first pick-up or the second pick-up gather;
One audio amplifier that is connected to the audio output port of described network hard disk video recorder is play the voice data of exporting by described audio output port.
8. the monitor method of simultaneously supporting two-way audio input according to claim 7, is characterized in that, the coded system that described audio coding adopts is: G711 audio coding.
9. the monitor method of simultaneously supporting two-way audio input according to claim 7, is characterized in that, the coded system that described Video coding adopts is: H264 Video coding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410331855.2A CN104113729B (en) | 2014-07-14 | 2014-07-14 | It is a kind of at the same support two-way audio input monitoring system and monitor method |
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| CN201410331855.2A CN104113729B (en) | 2014-07-14 | 2014-07-14 | It is a kind of at the same support two-way audio input monitoring system and monitor method |
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| CN104113729B CN104113729B (en) | 2017-11-07 |
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| CN107071369A (en) * | 2017-05-27 | 2017-08-18 | 深圳市景阳科技股份有限公司 | Monitoring method, device and its application of many objects can be monitored |
| CN108848392A (en) * | 2018-07-18 | 2018-11-20 | 广州市兰德电子技术有限公司 | Audio, video data acquires in real time and transmission method |
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| CN104113729B (en) | 2017-11-07 |
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