Audio Communication Through Laser Beam

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(PDF) LASER BASED AUDIO COMMUNICATION SYSTEM | …

https://www.academia.edu/12508475/LASER_BASED_AUDIO_COMMUNICATION_SYSTEM

But laser communication poses certain limitations such as beam dispersion, atmospheric absorption, and attenuation due to rain, fog, interference from …

How Laser Communication Works | HowStuffWorks

https://science.howstuffworks.com/laser-communication.htm

An optical module (OM), which sends and receives modulated laser beams via a 4-inch (10-centimeter) telescope A controller electronics (CE) …

MIT Used a Laser to Transmit Audio Directly Into a …

https://futurism.com/the-byte/laser-beam-speech-mit

This technique allowed them to transmit sound to a person more than 8.2 feet away at a volume of 60 decibels — about the loudness of background music or …

A laser can deliver messages directly to your ear from ...

https://www.ll.mit.edu/news/laser-can-deliver-messages-directly-your-ear-across-room

In a paper about this work, the researchers describe exploring two different photoacoustic-based techniques to create the sounds. The first technique, which encodes the audio message by modulating the power of the laser beam, provides a message with good clarity but is audible to anyone that crosses the path of the beam.

Laser Communication System | Detailed Project with …

https://www.electronicsforu.com/electronics-projects/hardware-diy/laser-communication-system

This laser communication system transmits sound or music signals through a laser beam. The intensity of the laser beam changes with the amplitude of the sound signal. The variation in the intensity of the laser beam is converted into a variation in the voltage level by using a calculator’s solar panel.

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