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A Dolphin Audio-Video Synchronous Acquisition System

An audio-visual synchronization and acquisition system technology, which is applied in closed-circuit television systems, TV system components, image communication, etc., can solve the problems of difficulty in carrying out research on the correlation between dolphin acoustic signals and behaviors, and inability to synchronize accurately, so as to achieve convenient application , a wide range of applications and high flexibility

Active Publication Date: 2022-06-03
THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
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AI Technical Summary

Problems solved by technology

Although this acquisition mode can record video information such as dolphin behavior during acoustic signal acquisition, since video recording and sound acquisition are not controlled by the same clock, they cannot be precisely synchronized, resulting in many limitations in follow-up research, and it is difficult to carry out dolphin acoustic signal Behavioral Correlation Research

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  • A Dolphin Audio-Video Synchronous Acquisition System
  • A Dolphin Audio-Video Synchronous Acquisition System
  • A Dolphin Audio-Video Synchronous Acquisition System

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Embodiment Construction

[0024] The following embodiments will further describe the present invention in detail with reference to the accompanying drawings.

[0025] The invention calls the Webclient ActiveX control based on the LabView platform to construct a synchronous acquisition system of dolphin sound and image, thereby realizing synchronous acquisition of dolphin sound and underwater video.

[0026] The framework of the dolphin audio-visual synchronization acquisition system according to the embodiment of the present invention is as follows: figure 1 As shown, it includes a sound acquisition module, an underwater video acquisition module, a data storage module, a power supply module and main control software.

[0027] The sound acquisition module includes: a high-frequency broadband hydrophone, a pre-filter amplifier and a multi-channel high-frequency synchronization acquisition card.

[0028] The high-frequency broadband hydrophone has omnidirectionality, the frequency response covers 100Hz~2...

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Abstract

The invention relates to a dolphin audio-image synchronous acquisition system, which belongs to the technical field of synchronous acquisition of acoustic signals and video signals. Including sound acquisition module, underwater video acquisition module, data storage module, power supply module and main control software; sound acquisition module is composed of high-frequency broadband hydrophone, pre-filter amplifier and multi-channel high-frequency synchronous acquisition card; underwater video The collection module is composed of an underwater camera and an underwater lighting lamp; the data storage module is composed of a high-performance computer equipped with main control software; the power supply module provides power support to the sound collection module, video collection module and data storage module; The main control software is used for the same clock to control the acquisition time of the sound acquisition module and the video acquisition module. Dolphin sound and underwater behavior data can be obtained simultaneously, providing basic data for the study of dolphin sound behavior, which is of great significance for the construction of dolphin behavior spectrum, interpretation of dolphin sound under different behaviors, dolphin biological cognition, and dolphin bionic training.

Description

technical field [0001] The invention belongs to the technical field of synchronous acquisition of acoustic signals and video signals, in particular to a dolphin sound-image synchronous acquisition system for synchronous recording of dolphin sounds and behavioral videos. Background technique [0002] There are more than 65 species of cetaceans in the suborder toothed whales, which have biological sonar systems. An important member of the toothed whale class, dolphins have a superior sonar system capable of making many types of sounds underwater. The sound emitted by dolphins plays a vital role in their life activities, and uses sound for underwater positioning, environmental detection, foraging, information exchange and individual identification. The vocalization of dolphins is closely related to their behavior, and there are obvious differences in the sounds under different behaviors. Dolphin sound and behavior research is of great significance for dolphin sonar mechanism ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18H04N5/232H04N5/04
CPCH04N7/18H04N5/04H04N23/65Y02A90/30
Inventor 牛富强薛睿超杨燕明黄跃坤
Owner THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
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