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Synchronous sound and image acquisition system for dolphin

A technology of audio-visual synchronization and acquisition system, which is applied in closed-circuit television systems, components of television systems, image communication, etc., can solve the problems of inability to accurately synchronize, and it is difficult to carry out research on the correlation between dolphin sound signals and behavior, and achieve convenient application. , the effect of a wide range of applications and high flexibility

Active Publication Date: 2021-06-22
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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  • Synchronous sound and image acquisition system for dolphin
  • Synchronous sound and image acquisition system for dolphin
  • Synchronous sound and image acquisition system for dolphin

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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 dolphin sound and image synchronous acquisition system, thereby realizing synchronous acquisition of dolphin sound and underwater video.

[0026] The framework of the dolphin audio-visual synchronous acquisition system described in the embodiment of the present invention is as follows: figure 1 As shown, it includes sound acquisition module, underwater video acquisition module, data storage module, 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 synchronous acquisition card.

[0028] The high-frequency broadband hydrophone has omnidirectionality, the frequency response covers 100Hz-200kHz, the consisten...

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Abstract

The invention discloses a synchronous sound and image acquisition system for dolphin, and belongs to the technical field of sound signal and video signal synchronous acquisition. The system comprises a sound acquisition module, an underwater video acquisition module, a data storage module, a power supply module and master control software. The sound acquisition module consists of a high-frequency broadband hydrophone, a pre-filter amplifier and a multi-channel high-frequency synchronous acquisition card; the underwater video acquisition module is composed of an underwater camera and an underwater illuminating lamp; the data storage module is composed of a high-performance computer provided with main control software; the power supply module provides power support for the sound acquisition module, the video acquisition module and the data storage module; the master control software is used for controlling the acquisition time of the sound acquisition module and the video acquisition module through the same clock. The dolphin sound and underwater behavior data can be synchronously acquired, basic data is provided for dolphin sound behavior research, and the dolphin sound and underwater behavior data acquisition method has important significance in dolphin behavior spectrum construction, dolphin sound interpretation under different behaviors, dolphin biological cognition, dolphin bionic training and the like.

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 audio and video synchronous acquisition system for synchronous recording of dolphin sounds and behavior videos. Background technique [0002] More than 65 species of cetaceans in the suborder Cetaceans have biological sonar systems. As an important member of the toothed whales, dolphins have a superior sonar system and can make various types of sounds underwater. The sound made by dolphins plays a vital role in their life activities, through sound for underwater positioning, environment detection, foraging, information exchange and individual identification. Dolphin vocalization is closely related to its behavior, and there are obvious differences in sound under different behaviors. Dolphin sound and behavior research is of great significance for dolphin sonar mechanism analysis, dolphin population acoustic monitor...

Claims

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Application Information

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Patent Type & Authority Applications(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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