KR20030039069A - DVR(Digital Video-audio Recording) System Structured with non PC-based(Stand-alone) Type and Audio Channels - Google Patents

Abstract

PURPOSE: A stand-alone type digital video and audio storage system including an audio channel is provided to compress, store, reproduce and transmit digital video and audio signals and to perform real-time monitoring function, real-time remote monitoring function, real-time video conferencing function and video/audio data downloading function. CONSTITUTION: A stand-alone type digital video and audio storage system including an audio channel receives analog video and audio signals from a monitoring camera and microphone through a video/audio input unit(104). The system digitalizes the received video and audio signals to display the digitalized data, encodes and stores the video and audio signals when an event such as motion is generated. The system decodes the video and audio signals to display. The system connects to a network to transmit digital video and audio signals composed of transport streams to a remote place. The system includes a network processor and a remote connection program to enable remote monitoring, camera control and file transmission.

Description

Digital Video and Audio Storage Device (DVR) System Structured with non PC-based (Stand-alone) Type and Audio Channels}

The present invention digitizes the input image and sound, and receives the analog video and audio signals of surveillance cameras and microphones, and displays the digitized data in the multimedia processing stage, DCT, Wavelets when an event such as a movement occurs , JPEG (ISO 10918), M-JPEG, MPEG-1 (ISO 11172), MPEG-2 (ISO 13818), MPEG-4, MPEG-7, MPEG-21, H.261, H.263, etc. Video and sound can be encoded, stored, decoded and displayed using a method that satisfies international standards on sound, or a digital stream consisting of a transport stream based on the international standard such as MPEG-4 can be remotely connected to a network. It is equipped with a network processing stage and a remote access program that transmits video and audio signals, accesses from a remote location, and enables remote monitoring, camera control, file transfer, and the like. Close control of the remote control possible non-PC-based (stand-alone, independent) relates to digital video and audio storage device is configured in such a way.

Conventional video recorders are configured to receive analog video signals from a surveillance camera in PAL or NTSC format, and then process the analog video signals to record analog recording signals on magnetic tapes of video cassettes in accordance with VHS or SVHS standards. do. Therefore, the conventional video recorder records the received analog video signal as an analog recording signal according to the analog recording standard, so that the received analog video signal can be recorded only in an analog manner, and as a result, the picture quality by repeated use of the video tape. There is a problem that digital benefits such as degradation, deterioration of surveillance images, sequential retrieval, troublesome configuration of three or more devices, and complicated management of recording tapes cannot be obtained.

Conventional PC-based digital video recorder divides multi-channel video signals inputted from multiple video cameras into 4 or 16 screens on one monitor screen at once or displays only the screen for the desired surveillance area. It can also be displayed as a single screen on the screen. In addition, a sensor is installed to monitor the intrusion and environment of outsiders in various places of the monitoring area, and when the alarm is input through the detection sensor while displaying the monitoring area as a split screen, the screen of the monitoring area is monitored. All functions that can be implemented digitally using existing PCs are added to hardware and software, such as automatic switching to display in a single screen on the full screen of the camera, and configured exclusively for surveillance equipment. However, the conventional PC-based digital video recorder is a digital system, but due to its PC-based characteristics, it is very slow when storing coded video data or reading and displaying stored surveillance images. ) Has many problems with low speed and stability of processing speed, such as frequently causing a critical system down phenomenon as a security equipment.

The technical problem to be achieved by the present invention is that the video and audio signal processing means, which is constructed in a non-PC-based (independent) method, is supplied by the video / audio input terminal to convert the digitalized digital video / audio signal into DCT, Wavelets, JPEG (ISO 10918). ), M-JPEG, MPEG-1 (ISO 11172), MPEG-2 (ISO 13818), MPEG-4, MPEG-7, MPEG-21, H.261, H.263, etc. Means for storing the encoded video and sound data in a digital storage medium, and encoding the data according to a user's request by a signal processing means for decoding the digitized video and sound data. Monitoring and retrieval means for displaying stored results, and cable abnormality diagnosis means for diagnosing all cable abnormalities connected to the apparatus of the present invention, and monitoring for video and sound. A means for backing up data, and a program for remotely monitoring / controlling / transmitting by accessing a network such as the Internet, local and remote communication networks, public networks, and wired / wireless backbone networks at a remote location. It is achieved in that it comprises a means for controlling all the control means of the remote control.

1 is a block diagram of a digital image and sound storage device of the present invention

2 is a block diagram of a digital video and sound storage device for wireless monitoring of the present invention device

3 is a schematic view showing the configuration of the apparatus of the present invention;

4 is a flowchart showing the operation of the apparatus of the present invention.

1: digital video and sound storage

101: wireless transmission module

2: surveillance camera and microphone

201: wireless surveillance cameras and microphones

3: monitored

4: display device

5: remote control

6: network for remote access

7: Remote PC for remote monitoring / control / transmission using remote access program

8: All types of sensors that can be connected to digital video and audio storage

The present invention uses a built-in real-time operating system (OS) to operate a stable system, non-PC-based (independent) method of maximizing space utilization in various sizes, such as small, medium, 19-inch standard type; DCT, Wavelets, JPEG (ISO 10918), M-JPEG, including MPEG-2 and MPEG-4 based coded-decoding (CODEC) technology and their own compression algorithms. Image and sound by appropriate CODEC technology using software and hardware in accordance with international standards for image and sound, such as MPEG-1 (ISO 11172), MPEG-7, MPEG-21, H.261, H.263, etc. Implement an improved compression ratio to correspond to data and control surveillance images and sounds with an interactive graphical user interface (GUI); Intelligent search technology, multi-channel simultaneous search support, time-based, event-based data search; Monitors with a multi-screen display and a real-time video display that is not limited to PCI BUS bandwidth; Built-in Uninterruptable Power System (UPS) and power control further maximize device stability; Use encryption techniques to maintain security through authenticated user verification and to apply 128-bit encryption techniques; Motion detection method automatically detects using the monitoring screen without an external sensor for motion detection, has automatic intrusion detection and recording / alarm function, and can set independent motion detection area for each camera. Set / cancel function of; Remote monitoring / control / transmission by multi-channel, multi-screen real-time remote access program using the Internet, public network, leased line, wired / wireless public network and backbone network; To ensure the stability and reliability of the equipment by using a watch-dog program that minimizes the occurrence of equipment errors; All of these controls are digital video and sound storage devices, including sound channels, configured in a non-PC-based (stand-alone) fashion that uses a remote control.

The configuration and operation of the apparatus and tracking method of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a digital image and sound storage device of the present invention, which is configured as a security device. The digital image and sound storage device 1 receives surveillance video and sound through a surveillance camera and a microphone 2. After converting the data to digital, the image and sound of the object 3 being monitored are always displayed on the display device 4 in real time, and the coded data is databased on the digital image and sound storage device using a compression algorithm or the like. do. Surveillance data about the database and the image and sound can be retrieved, and various sensors deemed necessary externally can further enhance the efficiency of the device. In addition, by using the program for remote access, surveillance data about surveillance, camera and device control, database image and sound which can be performed at the remote site on all PCs 7 connected to various wired / wireless networks 6 Can be transmitted. Remote PCs can remotely monitor, control, and transmit multiple digital video and audio storage devices by connecting to up to 30 digital video and audio storage devices. All these controls of the device can also be used with the remote control 5.

2 is a block diagram of a digital image and sound storage device for wireless monitoring of the device of the present invention, and wireless transmission capable of wirelessly transmitting data to the wireless surveillance camera and microphone 201 and the digital image and sound storage device 1. The module 101 may be added to implement a wireless monitoring apparatus. The remote controller 5 which performs the control of the apparatus wirelessly is basically provided, and also uses the network 6 which uses a wireless LAN, a wireless backbone network, a wireless public network, etc. in a remote monitoring / control / transmission method by remotely connecting.

Fig. 3 is a schematic diagram showing the configuration of the apparatus of the present invention, in which the surveillance camera module 202 in the surveillance camera and the microphone 2 receives an image, and the surveillance microphone module 203 receives sound. It is input to the video / audio input terminal 104 and reaches the multimedia processing stage 103 which processes the data as compression / display in real time in the digital video / audio memory 106 via the analog-digital conversion stage 105 and is processed. . In the event of an event such as motion detection, the data backup device 107 is used to store surveillance data about video and sound coded using a proprietary algorithm in a digital storage medium such as the main memory 109 and back up the stored data. When decoding and retrieving stored data or displaying real-time surveillance data, the surveillance data is displayed using the video / audio output device 4. There is also a cable fault diagnosis module 107 for diagnosing all cables connected to the digital video and audio storage devices. Control the pan / tilt device 205 to move the surveillance camera and microphone device up, down, left and right, control the zooming device 204 used to enlarge and reduce the image, control the remote control 5 of the entire device, or The overall processing of the entire apparatus, such as the control of the sensor input / output port 102 connected with the necessary various sensors 8, is performed by the main processing stage 103. A network processing stage 103 is used in connection with the network 6 to perform remote monitoring / control / transmission 7.

4 is a flowchart illustrating an operation of the apparatus of the present invention, which sequentially illustrates a process of operating a digital image and a sound storage device. In the basic monitoring mode, the video and audio input are always displayed, and the procedures such as menu setting, cable fault diagnosis, and video / sound search are generated according to the user's request and appear on the display device. It will not always be able to display the current situation in real time. However, motion / sound detection routines, sensor input routines, and remote network connection routines, which are executed independently of the basic monitoring mode, are prioritized when an event occurs.

Due to the present invention, the video conferencing or internet broadcasting solution can be combined with internet technology as well as used as a high-tech security equipment capable of non-PC-based (stand-alone) digital video and audio compression, storage, restoration, retrieval and transmission. Or PVR (Personal Video Recorder) system that can be used in conjunction with digital TV. That is, a stable and real-time monitoring system for security, a multimedia security solution that simultaneously stores surveillance video and surveillance sound, a real-time remote monitoring system, a digital broadcasting reception system (Set top Box), a digital broadcasting backup system, and real-time video conferencing on the Internet. It can be used as a system, a multi-party video chat system, and a personal Internet broadcasting system through downloading video and audio data.

Claims (9)

Receive video and audio from surveillance cameras and microphones; Using a real-time OS; It is a non-PC based (stand-alone) method that maximizes space utilization in various sizes such as small, medium and 19 inch standard type; Use the self-compression algorithm of Advanced MPEG-2 and Advanced MPEG-4, which are coded-decoding (CODEC) techniques of MPEG-2 and MPEG-4 based hardware and software; Software in accordance with international standards for video and sound, such as DCT, Wavelets, JPEG (ISO 10918), M-JPEG, MPEG-1 (ISO 11172), MPEG-7, MPEG-21, H.261, H.263, etc. Use hardware to implement compression on video and audio data by appropriate CODEC techniques; To control the surveillance image and sound with an interactive Graphic User Interface (GUI); It supports multi-channel simultaneous search, data search by time zone and event; Monitor with various kinds of screen split display and real time video display; Uses an Uninterruptable Power System (UPS); Use encryption techniques that maintain security through authenticated user verification and apply 64-bit or 128-bit encryption techniques; The motion detection method automatically detects using the monitoring screen without an external sensor for motion detection, and automatically detects and records / alarms the sensor, sets the independent motion detection area for each camera, and sets / cancels the free detection area. Function; A cable fault diagnosis module capable of diagnosing abnormality of disconnection, crosstalk, etc. of all cables connected to the device; Surveillance video and audio data including a backup storage device such as CD, DAT, HDD, network storage device; Remote monitoring / control / transmission by multi-channel, multi-screen real-time remote access program using internet, leased line, wired / wireless public network and backbone network; Use a watch-dog program that minimizes the failure of the device; All of these controls can be performed using a remote control, and are configured in a non-PC-based (stand-alone) fashion, including digital audio and video recording devices. The method of claim 1, configured in a non-PC-based (stand-alone) manner using the MPEG-2 and MPEG-4-based hardware and software coded-decoding (CODEC) technology, including a sound channel Digital video and sound storage. The method according to claim 2, wherein the international information on the image and sound of DCT, Wavelets, JPEG (ISO 10918), M-JPEG, MPEG-1 (ISO 11172), MPEG-7, MPEG-21, H.261, H.263, etc. Digital video and sound storage devices, including sound channels, configured in a non-PC-based (stand-alone) fashion that includes the use of coding-decoding (CODEC) technology in standards-based hardware and software. The method according to claim 1, wherein the monitoring means and the object is configured in a non-PC-based (stand-alone, stand-alone) method using a video channel, such as a visual image, an infrared image, and audio channels, such as voice, sound, ultrasonic waves, and includes an acoustic channel. Digital video and sound storage. The non-PC-based (stand-alone) method of claim 1, wherein the surveillance video and audio data are filed using a 64-bit encryption code or more, thereby forming the surveillance video and audio data dedicated to the device of the present invention. Digital video and sound storage devices, organized into sound channels. The remote access program according to claim 1, wherein a multi-channel, multi-screen, real-time remote monitoring / control / transmission is performed using the Internet (TCP / IP), a dedicated network, a wired / wireless local area / telecom network, a private network, a wired / wireless public network, a wired / wireless backbone network, and the like. Digital video and sound storage, including audio channels, configured in a non-PC-based (stand-alone) fashion. The apparatus of claim 1, wherein the apparatus of the present invention is configured in a non-PC-based (stand-alone) manner, which can be performed by using a wired or wireless mouse as well as a wired or wireless remote controller such as an infrared method or a frequency method. Digital video and sound storage devices, including. In a basic monitoring routine which always displays the incoming video and sound; The monitoring screen is hidden only at the moment of menu setting, cable fault diagnosis, video / sound search, etc .; a motion / sound detection routine executed independently of the basic monitoring routine; Sensor input / output routine; A digital video and sound storage method comprising a sound channel and configured in a non-PC-based (stand-alone) manner in which event generation routines such as remote network access routines are prioritized. As well as non-PC based (stand-alone) digital video and audio as a security device capable of compressing, storing, restoring, retrieving and transmitting; A video conference device for connecting to the Internet; Internet broadcasting solution; PVR (Personal Video Recorder) device that can be used in conjunction with digital TV; A set-top-box including a real-time monitoring system, a security system for simultaneously storing surveillance video and surveillance sound, a real-time remote monitoring system, a digital broadcast reception system, a digital broadcast backup system, and the like; A digital video and sound storage device comprising a sound channel and a method of constructing a non-PC based (stand-alone) method, which is not limited to a multi-party video chat system.