CN111416954A - Audio and video backtracking recording method and wireless monitoring system - Google Patents
Audio and video backtracking recording method and wireless monitoring system Download PDFInfo
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- CN111416954A CN111416954A CN201910010357.0A CN201910010357A CN111416954A CN 111416954 A CN111416954 A CN 111416954A CN 201910010357 A CN201910010357 A CN 201910010357A CN 111416954 A CN111416954 A CN 111416954A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0893—Caches characterised by their organisation or structure
- G06F12/0895—Caches characterised by their organisation or structure of parts of caches, e.g. directory or tag array
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/45—Caching of specific data in cache memory
- G06F2212/455—Image or video data
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention relates to an audio and video backtracking recording method and a wireless monitoring system. The system comprises a wireless recording device, a cloud storage filtering system and a terminal editing system, wherein the wireless recording device comprises an audio and video acquisition module, a central processing unit module, a manual trigger module, a data cache module, an audio and video correction module, a backtracking recording module and a wireless communication module. The system comprises a data cache module, a wireless recording device, a cloud storage and filtration system and a wireless communication module, wherein the data cache module is used for caching external sound and video in real time, and when a user triggers a manual trigger module, the system automatically extracts audio and video data which are N seconds before the trigger time and at most M seconds after the trigger time and sends the audio and video data to the cloud storage and filtration system through the wireless communication module; the audio and video data can reach the terminal APP through forwarding of the cloud storage filtering system, and a user can check, edit and label the audio and video through the terminal editing system at the terminal APP.
Description
Technical Field
The invention relates to the field of monitoring.
Background
At present, intelligent hardware is increasingly popularized, products such as robots, story tellers, IP cameras and intelligent lamps are increasingly more, people increasingly find that a method for recording audio and video or audio and video (hereinafter, collectively referred to as audio/video) data is needed, scene audio/video data concerned by people can be recorded in time and used for social sharing of APP or WeChat and life recording;
the recording of the conventional audio/video segment data mainly comprises two actions of recording start and recording end, including a key action. However, such actions do not record acceptable data segments and satisfactory results for many scenes, including audio video of the baby's first laugh, cough, hiccup, first daddy, mom, etc. In addition, intelligent scene recognition recording can also be realized, but the intelligent scene recognition rate is that considerable missing recognition is possible to cause that important scenes are not recorded in place; secondly, focusing scene segments cannot achieve satisfactory effect, namely, the sound of adults can be mixed, and many wonderful other segments can be missed.
Disclosure of Invention
The invention mainly aims to provide a backtracking recording system and a manual interactive recording method matched with a cloud terminal, aiming at effectively and safely recording qualified audio/video data concerned by a user in time and ensuring that the user is more satisfied and relieved with the recorded scene;
in order to achieve the above object, the manual backtracking recording system provided by the present invention comprises:
and the wireless recording device is used for realizing a manual triggering backtracking recording mechanism and timely and effectively recording the audio/video scenes N seconds before the current manual time and the audio/video scenes not more than M seconds after the manual time. The data are sent to a recording and filtering system at the cloud end in time through a wireless communication module; the wireless recording device can be a baby accompanying appearance such as a bedside lamp, an IPC and a small robot;
record filtration system for record data that the wireless recording device produced carry out the storage of high in the clouds, record the filtration of data: the music and the adult sound can be filtered, and different data segments can be segmented;
the terminal editing system mainly refers to an APP (application) or an application program of a mobile phone or a tablet computer, downloads stored audio/video data from a cloud, and performs audio/video, proofreading, editing and automatic segment segmentation. Unqualified data can be deleted;
preferably, the wireless recording apparatus includes:
the audio and video acquisition module is used for acquiring audio and video information in a monitored environment in real time;
the manual triggering module is used for triggering the recording instruction, and includes but is not limited to the following specific modes: key triggering, infrared remote control triggering, Bluetooth remote control triggering, mobile phone APP soft button triggering and the like;
the data cache module is used for circularly recording the audio and video data acquired by the audio and video acquisition module, and the data of each second is used as a basic data cache unit; forming a buffer area with the size of N + M seconds, wherein N is less than 30 seconds, N is N seconds before the trigger time, N + M is less than 60 seconds, and M is the audio and video data of the first N seconds and the second M seconds of the audio and video recording corresponding to the current time after the trigger time;
the audio and video correction module is used for carrying out time rounding +1 alignment by taking seconds as a unit at the manual trigger recording time; automatically cutting off the head mute part of the data in the buffer area; automatically removing a mute part at the tail part of the data in the buffer area; if the M block of the buffer area is muted for more than 10 seconds, automatically cutting off data behind the muted state;
the backtracking recording module is used for extracting audio and video data of which the current time is N seconds ahead and M seconds behind from the data cache module after a user triggers the manual trigger module, and performing audio and video correction by using the audio and video correction module;
and the wireless communication module is used for data communication transmission among the wireless recording device, the mobile terminal equipment and the cloud storage server. The wireless transmission modes include but are not limited to WIFI/2G/2.5G/3G/4G/5G/Bluetooth/ZigBee/NB-IOT and the like;
and the central processor module is used for operating a software system of the wireless recording device and providing basic computing capability.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic of the invention;
the designations in the figures illustrate the following:
1. an audio and video acquisition module; 2. a data caching module; 3. a backtracking recording module; 4. a manual trigger module; 5. a data correction module; 6. a wireless communication module; 7. a cloud storage filtering system; 8. and (5) a terminal editing system.
Detailed Description
In this embodiment, an audio and video backtracking recording method and a wireless monitoring system provided by the present invention are described with reference to fig. 1;
a monitor places a wireless recording device in normal work in the environment of main activity of a monitored person, an audio and video acquisition module 1) can acquire audio and video information in the monitored environment in real time, a data cache module 2) takes second data as a basic storage unit to form a circular cache interval, and the size of the cache interval is set to be N + M seconds;
after a backtracking recording instruction is formed by a monitor through a manual trigger module 4), a backtracking recording module 3) can automatically extract forward N seconds from the current time from a data cache module 2), then record audio and video data of M seconds (N is less than 30 seconds, and N + M is less than 60 seconds) backwards from the current time to form an integral audio and video segment together, then the integral audio and video segment is delivered to a data correction module 5) to automatically cut off mute block parts of the head and tail of the data in a buffer area, and the audio and video data are recently transmitted to a cloud storage filtering system 7) through a wireless communication module 6) to be automatically filtered, and then are stored in a cloud storage server. The guardian can also manually check, manually edit and label the audio and video data stored in the cloud through a terminal editing system 8) on a terminal such as a mobile phone and the like, and then store the audio and video data back to the cloud storage server.
Claims (7)
1. Wireless recording device, its characterized in that: the system comprises an audio and video acquisition module, a central processing unit module, a manual trigger module, a data cache module, an audio and video correction module, a backtracking and recording module and a wireless communication module;
the system comprises an audio/video acquisition module, a monitoring module and a monitoring module, wherein the audio/video acquisition module is used for acquiring audio/video information in a monitored environment in real time;
the central processing unit module is used for operating a software system of the wireless recording device and providing basic computing capacity;
the manual triggering module is used for triggering the recording instruction, and includes but is not limited to the following specific modes: key triggering, infrared remote control triggering, Bluetooth remote control triggering, mobile phone APP soft button triggering and the like;
the data cache module is used for circularly recording the audio and video data acquired by the audio and video acquisition module, and the data of each second is used as a basic data cache unit;
forming a buffer area with the size of N + M seconds, wherein N is less than 30 seconds, N is N seconds before the trigger time, N + M is less than 60 seconds, and M is the audio and video data of the first N seconds and the second M seconds of the audio and video recording corresponding to the current time after the trigger time;
the audio and video correction module is used for carrying out time rounding +1 alignment by taking seconds as a unit at the manual trigger recording time;
automatically cutting off the head mute part of the data in the buffer area; automatically removing a mute part at the tail part of the data in the buffer area;
if the M block of the buffer area is muted for more than 10 seconds, automatically cutting off data behind the muted state;
the backtracking recording module is used for extracting audio and video data of which the current time is N seconds ahead and M seconds behind from the data cache module after a user triggers the manual trigger module, and performing audio and video correction by using the audio and video correction module;
the wireless communication module is used for data communication transmission among the wireless recording device, the mobile terminal equipment and the cloud storage server;
including but not limited to WIFI/2G/2.5G/3G/4G/5G/Bluetooth/ZigBee/NB-IOT and other wireless transmission modes.
2. Cloud storage filtration system its characterized in that: the system is used for storing the recording data generated by the wireless recording device in a cloud end and automatically filtering the recording data: music and adult sounds can be filtered and the segments of different data categories segmented by automatic classification and separation algorithms.
3. The terminal editing system is characterized in that: the method is used for processing operations such as checking, editing and labeling of audio and video data recorded on a wireless recording device and stored in a cloud storage server on a system such as a user mobile phone and a tablet.
4. The wireless recording apparatus of claim 1, wherein: the system is used for realizing a manual triggering backtracking recording mechanism, and is used for effectively recording the audio/video scenes N seconds before the current manual time and the audio/video scenes not exceeding M seconds after the manual time in time; the cached data are sent to a cloud storage filtering system through a wireless communication module in time; the wireless recording device can be a baby accompanying appearance such as a bedside lamp, an IPC, a recording box and a small robot.
5. A manual trigger module in a wireless recording device according to claim 1, wherein: the manual trigger mode can be a hard key configured on the wireless recording device, a soft key matched with a terminal such as a mobile phone application, or various trigger devices on wireless remote controllers such as infrared/bluetooth and the like.
6. The wireless recording apparatus of claim 2, wherein: the system is used for storing the recording data generated by the wireless recording device in a cloud end and filtering the stored data in the cloud end: the music and the adult sound can be filtered, and different data segments can be segmented; the recorded audio and video can be stored locally and in a cloud with different resolutions.
7. A terminal editing system according to claim 3, wherein: the method is used for processing operations such as checking, editing and labeling of audio and video data recorded on the wireless recording device on a mobile phone, a tablet and other systems of a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010357.0A CN111416954A (en) | 2019-01-07 | 2019-01-07 | Audio and video backtracking recording method and wireless monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910010357.0A CN111416954A (en) | 2019-01-07 | 2019-01-07 | Audio and video backtracking recording method and wireless monitoring system |
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Patent Citations (7)
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| WO2002037490A1 (en) * | 2000-10-30 | 2002-05-10 | Matsushita Electric Industrial Co., Ltd. | Av stream recording/reproducing device, av stream recording device, av stream recording/reproducing method, av stream recording method |
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