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Underwater voice real-time transmission method based on LiFi optical communication

A real-time transmission, optical communication technology, applied in speech analysis, transmission system, sustainable communication technology, etc., can solve the problems of not easy portability, high cost, low efficiency, etc., and achieve the effect of low cost

Active Publication Date: 2018-12-11
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems of low efficiency, uneasy portability and high cost of existing underwater voice transmission equipment, and proposes an underwater voice real-time transmission system based on LiFi optical communication

Method used

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  • Underwater voice real-time transmission method based on LiFi optical communication
  • Underwater voice real-time transmission method based on LiFi optical communication
  • Underwater voice real-time transmission method based on LiFi optical communication

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Embodiment Construction

[0019] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0020] combine image 3 , Entering from the main process, the first is the initialization of the hardware device, including the initialization of the interrupt vector, the initialization of the timer, and the initialization of the application program. Among them, the application program is responsible for the operation of the entire voice transmission system. The initialized application programs include: LED control program initialization for prompting, key control program initialization, data queue initialization, and audio processing initialization.

[0021] After the initialization is completed, the program enters the system loop;

[0022] The program first detects whether the device mode is switched (initially no). If a switch occurs, the mode switch is initialized corresponding to the specific mode, ...

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Abstract

The invention belongs to the underwater voice transmission technology field and relates to an underwater voice real-time transmission method based on LiFi optical communication. A water communicationform is realized in the form of an underwater interphone, and a portable embedded device is installed on a diving device. During usage, a diver uses the portable embedded device to simultaneously carry out illumination and communication in the illumination range of a communicated party so as to realize the real-time voice communication with the communicated party. The portable embedded device is switched between a transmitting end and a receiving end and carries out selection control according to a demand. The invention provides the high-efficient, portable and low-cost underwater voice real-time transmission method based on the optical communication, which is used to solve the blank of the underwater voice transmission method in a current market. Based on the method, through introducing alight sending module and a light receiving module, a diver and other persons can conveniently carry out communication and work under water.

Description

technical field [0001] The invention belongs to the technical field of underwater voice transmission, and relates to an underwater voice real-time transmission method based on LiFi optical communication. Background technique [0002] Hydrogen radicals in water have different absorption rates of electromagnetic waves at different frequencies, resulting in rapid attenuation of radio waves in water, so they cannot be used for underwater communication, but visible light can propagate in water. LiFi is visible light wireless communication, also known as "light fidelity technology". It is a new wireless transmission technology that uses visible light spectrum (such as light from a light bulb) for data transmission. Advanced LED light bulbs are equipped with microchips that use electrical signals to control light-emitting diodes (LEDs) that emit high-speed flashing signals invisible to the naked eye to transmit information. The LED optical network transmits network signals through...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L19/16H04B13/02
CPCH04B13/02G10L19/167G10L19/173Y02D30/70
Inventor 林驰张宇晨王慨于永达潘卓锐董田王今伯王紫崴王雷吴国伟
Owner DALIAN UNIV OF TECH
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