KR101574667B1 - CCTV sound source tracking device recording function using an acoustic sensor is provided - Google Patents

Abstract

The present invention relates to a sound source tracking device for a CCTV with a recording function to make a CCTV to guide a direction for photographing an accident generation area by rapidly detecting the position of the accident generation area by using an acoustic sensor when an accident is generated, and to use the acoustic sensor which is formed to record (store) an event sound generated when the accident is generated. In the sound source tracking device using the acoustic sensor, the sound source tracking device for a CCTV with the recording function using the acoustic sensor of the present invention comprises: a manifold; an acoustic sensor module for detecting directions to detect the direction of the sound source on the flat plane by being divided with the same angle with the manifold as the center and being located at the same distance and being made of three or four acoustic sensor modules located on the same horizontal line (X); an acoustic sensor module for tilt to detect the distance of the sound source by being installed between the acoustic sensor modules for detecting directions and being made of an acoustic sensor module located on the different horizontal line (X′) with the acoustic sensor module for detecting directions; and a control device to detect the position of a sound generation area with an acoustic signal inputted from the acoustic sensor modules for detecting a direction and the acoustic sensor modules for tilt, and then to control the direction of photographing by a CCTV module by using the position of the sound generation area. A recording play unit to store and play only the sound collected from one acoustic module selected among the acoustic modules for forming the acoustic sensor modules for detecting directions and the acoustic sensor modules for tilt are additionally included in the control device.

Description

[0001] The present invention relates to a CCTV sound source tracking device recording function using an acoustic sensor,

The present invention provides an acoustic sensor for detecting the location of an accident occurrence area in the event of an accident by using an acoustic sensor and guiding the direction of capturing an accident occurrence area of the CCTV, The present invention relates to a CCTV sound source tracking apparatus having a recording function using a CCTV.

CCTV (closed-circuit television) is installed in various positions to secure social crime prevention and evidence such as theft, injury, and the like.

Such closed-circuit television (CCTV) can be classified into a fixed type CCTV configured to photograph only a place set according to the installation location and purpose, and a non-fixed type CCTV configured to photograph a surrounding environment by rotating the camera at a predetermined cycle.

The fixed CCTV is mainly installed in a very limited place in a building, and mostly non-fixed CCTV is installed and used.

The present invention relates to a CCTV sound source tracking device for applying to a non-fixed CCTV configured to photograph a surrounding environment by rotating a camera at a predetermined cycle so that a camera can quickly photograph an accident scene in the event of an accident.

That is, FIG. 1 shows a non-fixed CCTV device installed outside a building such as a general street, and the non-fixed CCTV device typically includes a CCTV module 1, A landing beam 3 formed of a beam 3a and a horizontal landing beam 3b and a video image photographed by the CCTV module 1 and photographed by the CCTV module 1 into electrical signals, A management office for managing a public office or a building, or a control device 4 configured to communicate with a smartphone of an individual in a wired or wireless manner.

The CCTV camera 1a (hereinafter referred to as a camera) provided in the CCTV module 1 of the non-conforming CCTV apparatus can photograph various shooting regions A1, A2, A3, A4, So that it tilts at a predetermined angle while rotating about the Y axis.

Various technologies for tracking the position of a sound source using an acoustic sensor or the like are provided as in the patent documents provided.

(KR) Patent Publication No. 2002-0045700, entitled 'Three-dimensional sound source tracking device using a CCD camera and a microphone', and KR Patent Registration No. 10-0331182 'Sound source location tracking system', (KR) 10-2012-0059827 'Multi-source location tracking device and its location tracking method' and (KR) Registration No. 10-1369139 'Method and device for tracking source location'.

There is provided a technique for tracking a position of a sound source using an acoustic sensor and for allowing a camera to take a picture of the source of the sound source using the sound sensor.

However, there is a problem in a method of acquiring an acoustic signal transmitted from a conventional negative-positive sensor (or a microphone) and there is a disadvantage in that it is impossible to accurately track the sound source, and the number of installations is continuously increased. On the other hand, There is no provision of a CCTV sound source tracking device capable of tracking the occurrence location,

In addition, since a sound source tracking method using an acoustic sensor can not be applied to a CCTV apparatus installed in the past, it is not possible to photograph a source of a sound source, which is an accident occurrence region, quickly in case of an accident even when a large number of CCTV apparatuses are installed. It is ineffective.

(KR) Patent Publication No. 2002-0045700 (KR) Patent Registration No. 10-0331182 (KR) Patent Publication No. 10-2012-0059827 (KR) Patent Registration No. 10-1369139

SUMMARY OF THE INVENTION The present invention has been made to solve such conventional disadvantages,

The present invention provides a CCTV camera with a recording function using an acoustic sensor that accurately tracks the source of the sound source in the event of an accident and allows the CCTV camera to take pictures of the accident area, Thereby providing a sound source tracking device.

Also, the present invention provides a CCTV sound source tracking device equipped with a recording function using an acoustic sensor irrespective of the installation position so that it can be applied to a conventional CCTV apparatus or a CCTV apparatus in use.

In order to achieve the above object, there is provided a sound source tracking apparatus for a CCTV equipped with a recording function using an acoustic sensor according to the present invention, the apparatus comprising: a manifold; A sound sensor module for direction detection for detecting the direction of a sound source on a plane, the module being composed of three to four acoustic sensor modules located on the same horizontal line X, and; A tilt acoustic sensor module for detecting a distance of a sound source, the acoustic sensor module being disposed between the sound sensor modules for direction detection and having an acoustic sensor module for detecting a direction and another acoustic sensor module for detecting a horizontal line X '; And a control device for detecting the position of the sound source with the acoustic signal inputted from the direction detecting acoustic sensor module and the tilt acoustic sensor module and manipulating the photographing direction of the CCTV module by using the detected sound signal position, Further includes a recording and reproducing unit that can store and reproduce only the sound collected from any one of the selected one of the sound sensor modules constituting the sound sensor module for direction detection or the sound sensor module for tilt. do.

The acoustic sensor module used for the direction detecting acoustic sensor module and the tilt acoustic sensor module may be an acoustic sensor module for allowing the introduced sound to be discharged to the outside, and the acoustic sensor mounting block for direction detection and the acoustic sensor mounting block for tilt And is used as an acoustic discharge guide pipe for guiding and discharging the sound discharged to the acoustic sensor.

The recording and playback means may be provided separately from the control device, and the control device may have a recording function for recording an image photographed by the CCTV module when an event occurs. The recording and playback means may include a recording function of the control device, It can be recorded together with the image taken by the CCTV module from the time before the incident (event sound) set when the incident (event sound) occurs. Also, the recording / reproducing means may be set so as to select and store only event sounds.

The acoustic sensor module for use in the direction detecting acoustic sensor module and the tilt acoustic sensor module includes a non-reflected acoustic sensor module configured to discharge the introduced sound to the outside so that no reflected sound is generated, And an acoustic sensor mounting base for a tilt can be used as an acoustic discharge guide pipe for guiding and discharging sound discharged to an acoustic sensor.

The acoustic sensor mounting block for direction detection and the acoustic sensor mounting block for tilt may further include a matching tube for guiding the discharge of sound through the acoustic sensor module, thereby suppressing the generation of reflection sound.

In the CCTV sound source tracking device having the recording function using the acoustic sensor of the present invention as described above, the sound source tracking device for CCTV includes a center (C) centered around a plurality of acoustic sensor modules constituting the acoustic sensor module for direction detection and the acoustic sensor module for tilt The plurality of acoustic sensor modules constituting the acoustic sensor module for direction detection are located on one horizontal line X and the acoustic sensor modules constituting the acoustic sensor module for tilt are located at the same distance in the plane, The control device can accurately track the sound source by using the time difference of sound transmission by allowing the plurality of acoustic sensors constituting the acoustic sensor module for use to be located on the horizontal line X and the other horizontal line X ' So that it is possible to accurately capture an accident site.

Also, it is possible to select any one of a plurality of acoustic sensor modules constituting the direction detecting acoustic sensor module and an acoustic sensor module constituting the acoustic sensor module for tilt, and record (record) the sound source transmitted from the selected acoustic sensor module With the provision of the playback means, it is possible to identify the cause of the accident occurrence and the authenticity of the incident together with the video of the CCTV module in case of an accident.

In order to prevent an error caused by a reflected sound, the acoustic sensor module uses an unreflective acoustic sensor module, so that sound is emitted to the outside through the acoustic sensor mounting block for detecting the direction in which the acoustic module is installed and the acoustic sensor mounting block for tilting. So that the generation of the reflection sound can be minimized.

In addition, the acoustic sensor mounting block for direction detection and the acoustic sensor mounting block for tilt have a matching tube for guiding the discharge of sound that has passed through the acoustic sensor module, thereby suppressing errors due to the generation of reflection sound.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional CCTV apparatus in use; FIG.
BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a sound source tracking apparatus for a CCTV,
FIG. 3 is a perspective view showing a perspective view of a CCTV sound source tracking apparatus having a recording function using an acoustic sensor according to an embodiment of the present invention. FIG.
FIG. 4 is a perspective view of another state in which a CCTV sound source tracking device equipped with a recording function using the acoustic sensor of the present invention is installed.
5 is a perspective view of still another state in which a sound source tracking device for CCTV equipped with a recording function using the acoustic sensor of the present invention is installed.
6 is a perspective view illustrating a CCTV module installed in a CCTV sound source tracking device having a recording function using an acoustic sensor according to the present invention.
FIG. 7 is a schematic plan view of a CCTV sound source tracking apparatus having a recording function using an acoustic sensor according to the present invention. FIG.
FIG. 8 is a front schematic view of a CCTV sound source tracking apparatus having a recording function using an acoustic sensor according to the present invention. FIG.

It is to be understood that the terms and words used in the present specification and claims should not be construed as limited to a conventional or dictionary sense and that the configurations shown in the embodiments and drawings described herein are only the most preferred embodiments of the present invention It is to be understood that the invention is not limited to the specific embodiments disclosed herein, and that various equivalents and modifications may be made thereto without departing from the scope of the present invention.

The present invention provides a closed-circuit television (CCTV) module installed in various places such as indoor and outdoor places to photograph a surrounding environment, It is a CCTV sound source tracking device equipped with a recording function using sensors.

That is, the present invention provides a CCTV module (1) having a CCTV camera (1a) capable of rotating around a vertical line (Y) and capable of tilting so as to periodically change a photographing area or change a photographing area by a set value CCTV sound source tracking with sound recording function to track sound source of accident sound in case of incident sound (screaming, crash sound, etc.), and to record and record the source of sound source Device.

Referring to Figures 2 and 3,

The CCTV sound source tracking device 2 equipped with a recording function using the acoustic sensor of the present invention is provided with a manifold 10 and a plurality of the same A direction detecting acoustic sensor module 20 for detecting the direction of a sound source on a plane and composed of a plurality of (three to four) acoustic sensor modules positioned on a horizontal line X, A tilt acoustic sensor module 30 for detecting the distance of a sound source, the acoustic sensor module 30 being provided between the directional sensor module 20 and another acoustic sensor module having a horizontal line X ' (40) for detecting the position of the sound source with the acoustic signal inputted from the acoustic sensor module (20) for tilt and the acoustic sensor module (30) for tilt and then manipulating the photographing direction of the CCTV module , While the control device 40 ) For recording and reproducing only the sound collected from any one of the acoustic sensor modules of the direction detecting acoustic sensor module (20) or the tilt acoustic sensor module (30) (50).

The CCTV sound source tracking device 2 having the recording function using the acoustic sensor configured as described above can be installed in various forms as shown in FIG. 3 to FIG.

That is, the CCTV module 1 can be installed in the manifold 10 of the CCTV sound source tracking device 2 having a recording function using a sound sensor (see FIG. 3), and is separated from the CCTV module 1 The center of a CCTV sound source tracking device 2 equipped with a recording function using a sound sensor and a CCTV module 1 and a sound source tracking device 2 having a recording function using an acoustic sensor is disposed on the same vertical line 4) or on another vertical line Y 'spaced apart from the vertical line Y where the CCTV module 1 is located, a CCTV module having a recording function using an acoustic sensor So that the center of the sound source tracking device 2 is located (see FIG. 5).

As described above, the CCTV sound source tracking device 2 equipped with the recording function using the acoustic sensor can be installed at various positions. Preferably, the CCTV module 1 and the CCTV sound source tracking The center of the device 2 is located on the same vertical line Y. In the case where the CCTV sound source tracking device 2 having a recording function using an acoustic sensor tracks the sound source and controls the CCTV module 1 (See Figs. 3 and 4).

Referring to FIGS. 6 to 8, a CCTV sound source tracking apparatus 2 having a recording function using an acoustic sensor will be described in detail.

The CCTV module 1 may be fixedly installed in the manifold 10 or the manifold 10 may be fixed to the strut beam 3 such as the vertical strut beam 3a and the horizontal strut beam 3b The manifold folder 10 includes a mounting through hole 11 formed at the center for installation, a plurality of directionally detecting acoustic sensor mounts 12 arranged at equal intervals, a tilt acoustic sensor mount 13 .

A plurality of directional acoustic sensor mounting brackets 12 and a tilting acoustic sensor mounting bracket 13 are installed around the through holes 11 to detect the direction of the acoustic sensor module 20 and tilt acoustic sensor module 20, 30 can be positioned at the same distance L in plan view.

The plurality of direction detecting acoustic sensor mounting brackets 12 are divided at equal angles as shown in FIG. 7 (equally spaced), and a plurality of directionally detecting acoustic sensor mounting brackets 12a, The modules 20 are configured to be equally spaced on the same horizontal line X,

The tilt acoustic sensor mount 13 is configured such that the tilt acoustic sensor module 30 can be positioned on a different horizontal line X 'from the acoustic sensor module 20 for direction detection.

The direction detecting acoustic sensor mounting base 12 and the tilting acoustic sensor mounting base 13 are formed as pipes to guide sound discharged to the plurality of acoustic sensor modules 21, 22, 23 and 31.

The acoustic sensor mounting base 12 and the tilt acoustic sensor mounting base 13 guide the sound emitted from the plurality of sound sensor modules 21, 22, 23 and 31, A matching tube 14 connected to the plurality of acoustic sensor modules 21, 22, 23, and 31 may be further provided.

The CCTV module 1 may be installed using the through hole 11 formed in the manifold 10 or may be mounted on a fixed mount positioned on the vertical line Y located at the center of the CCTV module 1 When the manifold 10 is fixed using the through-hole 11, the CCTV module 1 is positioned at the center C, which is the center of the CCTV sound source tracking device 2 having the recording function using the acoustic sensor .

The direction detecting acoustic sensor module 20 includes a plurality of acoustic sensor modules 21, 22, and 23 installed at regular intervals, and the acoustic sensor module is configured to output sound through a different outlet And a non-reflected sound sensor module configured to suppress the generation of reflected sound.

In general, the acoustic sensor module 20 for direction detection is preferably composed of three to four acoustic sensor modules in detecting the direction.

The plurality of sound sensor modules 21, 22 and 23 constituting the sound sensor module 20 for direction detection are installed in the sound sensor mounting stand 12 for detecting the direction and the centers C And are located on the same vertical line X (see FIGS. 7 and 8).

That is, when the direction-detecting acoustical sensor module 20 on a plane is composed of three acoustic sensor modules 21, 22 and 23, the acoustic sensor module 20 is arranged in a regular triangle, and when the acoustic sensor module 20 is composed of four acoustic sensor modules,

The tilting acoustic sensor module 30 is composed of the same acoustic sensor module 31 as the plurality of acoustic sensor modules 21, 22 and 23 constituting the acoustic sensor module 20 for detecting the direction, The module 31 is located at the same distance L as the plurality of acoustic sensor modules 21, 22 and 23 around the center C which is the center of the manifold 10, 7 and 8), which are spaced apart from the vertical line X at which the light sources 21, 22, and 23 are located.

The control device 40 can operate to change the photographing area or to change the photographing area according to the set value periodically. When the CCTV camera 1a provided in the CCTV module 1 detects the vertical line Y, And detects the position of the sound source with the acoustic signal inputted from the direction detecting acoustic sensor module 20 and the tilt acoustic sensor module 30. The CCTV module 1 ) In the photographing direction.

A technique for detecting a direction by using an acoustic signal inputted from a plurality of acoustic sensors (or microphones) is a technique implemented as in the prior art documents. In the present invention, a direction and a distance The calculation is not explained further.

The controller 40 may be provided with a recording function to record (record) an image photographed from the CCTV camera 1a provided in the CCTV module 1, It is preferable to use the memory provided in the control device 40 to set only the images photographed in the event of an accident to be stored (recorded).

The recording and reproducing means 50 may record only sounds collected from any one of the acoustic sensor modules selected from among the acoustic sensor modules constituting the direction detecting acoustic sensor module 20 or the tilt acoustic sensor module 30 The recording device may be provided in the control device 40 like a normal recording function or may be separately provided separately from the control device 40. [

The recording and reproducing means 50 stores a sound source collected from any one of the sound sensor modules selected when an accident occurs, such as a recording function, from the CCTV camera 1a provided in the CCTV module 1 in the event of an accident.

In addition, the recording / playback means may include a recording function in the control device and a time setting function for recording the video recorded with the CCTV module from the time before an accident (event sound) .

In addition, the recording and reproducing means 50 may have a function of selecting and storing only event sounds that occur when an accident occurs.

In the case of the CCTV sound source tracking device 2 having the recording function using the acoustic sensor of the present invention, the position of the sound source is tracked in the event of an accident, and the CCTV camera 1 a provided in the CCTV module 1 On the other hand, by storing the sound source in case of an accident, the cause, authenticity, and situation of the accident can be accurately grasped.

That is, there may be a time difference depending on the situation such as the position taken by the CCTV camera 1a until the sound source is tracked and the tracked position is photographed from the CCTV camera 1a provided in the CCTV module 1, It is possible to obtain data that can accurately grasp the cause of the accident, authenticity, situation, etc. However, it is possible to obtain data that can be used to identify the cause, authenticity, and situation of the accident by the recording / reproducing means 50 .

1: CCTV module 1a: CCTV camera
2: Audio tracker for CCTV with recording function using acoustic sensor
10: Manifold folder 20: Acoustic sensor module for direction detection
30: Acoustic sensor module for tilting 21, 22, 23, 31: Acoustic sensor module
40: Control device
50: recording and playback means

Claims (5)

1. A sound source tracking apparatus using an acoustic sensor,
A manifold 10 including a plurality of acoustic sensor mounts 12 for direction detection arranged at equal intervals and acoustic sensor mounts 13 for tilt;
A plurality of acoustic sensor modules installed on the acoustic sensor mounting bracket 12 for direction detection and divided by the same angle around the manifold 10 and located at the same distance and three to four acoustic sensor modules positioned on the same horizontal line X An acoustic sensor module 20 for detecting a direction of a sound source on a plane;
The acoustic sensor module 20 is disposed between the acoustic sensor module 20 for direction detection and the acoustic sensor module 20 located on the other horizontal line X ' A tilt acoustic sensor module 30 for detecting the distance of the sound source;
A control for detecting the position of the sound source with the acoustic signals inputted from the direction detecting acoustic sensor module 20 and the tilt acoustic sensor module 30 and manipulating the photographing direction of the CCTV module 1 using the detected sound signal Device (40);
Only the sound collected from any one of the acoustic sensor modules selected from the acoustic sensor modules included in the direction detecting acoustic sensor module 20 or the tilt acoustic sensor module 30, Reproducing means 50, which can be reproduced,
The acoustic sensor module used for the direction-detecting acoustic sensor module 20 and the tilt acoustic sensor module 30 uses an acoustic sensor module configured to discharge the introduced sound to the outside,
The direction detecting acoustic sensor mounting base 12 and the tilting acoustic sensor mounting base 13 are used as an acoustic discharge guide pipe for guiding and discharging sound discharged to the acoustic sensor. Tracking device for CCTV. The method according to claim 1,
The recording and reproducing means 50 may be provided separately from the control device 40,
The controller 40 further includes a recording function for recording an image photographed by the CCTV module 1 when an event occurs,
The recording and reproducing means 50 records the image together with the image captured by the CCTV module 1 from the time before the sound source is generated when the sound source is generated together with the recording function of the control device 40. [ A CCTV sound source tracking system. 3. The method according to claim 1 or 2,
The direction detecting acoustic sensor mounting base 12 and the tilting acoustic sensor mounting base 13 are further provided with a matching tube 14 for guiding the discharge of sound having passed through the acoustic sensor module. Tracking device for CCTV. 3. The method according to claim 1 or 2,
Wherein the recording and reproducing means (50) can select and store only the event sound. delete

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