Journal Forum

A Meta-Analysis of High Resolution Audio Perceptual Evaluation - June 2016

Synthetic Reverberator - January 1960

Sound Board: High-Resolution Audio - October 2015

Access Journal Forum

AES E-Library

Optical Microphone

Document Thumbnail

A concept of a new microphone which transforms vibrations of a diaphragm to electric signal via a light beam is presented. A light beam coming from a semiconductor laser is focused on the membrane and after reflection it is directed to a photodetector. The photodetector consists of two pairs of photoelements. If the diaphragm does not vibrate the photoelements are lightened uniformly. If the diaphragm is deflected one pair of photoelements is lightened more than the other one and the difference in lighting is proportional to the membrane deflection. A model of such microphone was constructed with the use of an optical system from a CD player.

AES Convention: Paper Number:
Publication Date:

Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $33 for non-members and is temporarily free for AES members.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!

Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society