This revolutionary optical microphone records instruments separately

This revolutionary optical microphone records instruments separately

Researchers have developed an optical microphone that uses cameras to record the vibrations of objects. This system enables the sound of a single instrument in an orchestra to be isolated, eliminating any influence of acoustics in place.

You will also be interested


[EN VIDÉO] Interstellar sound recorded by Voyager-1
In the ionized gas that surrounds it, the Voyager-1 probe recorded two series of waves, which are a sign of the interstellar medium, not the solar wind. These signals are transmitted through the loudspeaker, and make an audible sound! © NASA, Jet Propulsion Laboratory

Isolating the sound of a single instrument in an orchestra, or recording music played without ambient noise, is a very complex task, even with the best microphones. to solve this problem , researchers from Carnegie Mellon University in the United States microphone Optics capable of seeing percussion instrument of an object thus capturing the sound generated by only one device.

Such a system that only uses the camera would need to zoom in on an object to be able to capture something small Vibrations caused by soundIt must be very high Speed To detect the frequency of this movements. This type of device would be very expensive and complicated to set up.

Laser and two consumable cameras

Instead, the researchers found a solution by using much cheaper and more readily available hardware. The optical microphone is based on a laser Which refers to a surface, such as a tool. When the laser is reflected, the body shaking Create Peelor spot, any pattern that can be recorded with cameras.

Their system then uses two cameras that record just 60 frames per second. This may sound insufficient for sounds with possible frequencies up to 20000 Hz. The trick is to combine images from two different sources.

Explanation and presentation of the optical microphone. In English only, activate automatic translation of translations. © Mark Shenin

Two cameras recording at 63 kHz

The first camera contains a file shutter in general (or universal shutter) which records the scene in a single take. The second uses a rolling shutter (or rolling shutter) which saves the image line by line in a file sensor With a very slight delay. This delay, which can lead to image distortions of a moving object, is used here to obtain information about high-frequency vibrations. Thus, the lines are recorded at a frequency of 63000 hertz.

Then the researchers used an algorithm to stitch the two images together and recreate the sound. Their system runs directly on the machine, like A guitar Or the violin, and even other things that vibrate with it echoLike a box of potato chips in front of a loudspeaker. It is even able to compensate for the movements of the musician.

With this system, sound engineers can track each instrument individually in a band or orchestra, withoutconfusion others. It completely removes the effect of acoustics from the recording room by effective removal every echo. The system can also be used to monitor every machine in a noisy factory to determine when one needs maintenance.

Interested in what you just read?

You May Also Like

About the Author: Octávio Florencio

"Evangelista zumbi. Pensador. Criador ávido. Fanático pela internet premiado. Fanático incurável pela web."

Leave a Reply

Your email address will not be published. Required fields are marked *

سكس جمعى hqtube.pro افلام اباحه افلام عبدالفتاح الصعيدى pornucho.com أفلام جنسية مصرية pollinic girls hentai streamhentai.net futanari sakura www nudeindiangirlsclub com zoztube.mobi best boob sucking videos mumbai x vedio onlypornvide.mobi ww sxe video
www.tubesex.com desiindianporn.net momboysex كلب ينيك بنت porno-arab.org نيكsks iswarya menon fuckholetube.com sex videos making namitha photos sex pornhostel.info xxx.bunker tamil family sex xlxx.pro anu telugu
www.freexxx.com fuxee.mobi videos xxnx bhojpuri xxx bf orgyvideos.info kerala sex vedos my wife mom.com mochito.mobi sex marathi video jessica soho latest episode 2022 pinoyfilms.net pepito manaloto tuloy ang kwento مواقع سكس مفتوحه blackpornsexvideos.com اغتصاب بالقوة