AES Store

Journal Forum

Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
4 comments

Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
9 comments

New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
1 comment

Access Journal Forum

AES E-Library

An Economical Digitally Controlled Audio Level Indicator

The design of an accurate, inexpensive, compact, easy to read audio program level indicator has always been plagued by compromises. The best of the previous designs used light-emitting diodes (LED) in a bar-graph arrangement driven by digital logic. An improved method of driving the LED displays is described which is considerably cheaper and simpler than previous designs. The circuit design, operation, and performance are discussed.

Author:
Affiliation:
JAES Volume 26 Issue 1/2 pp. 36-41; February 1978
Publication Date:

Click to purchase paper 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 $20 for non-members, $5 for AES members and is free for E-Library subscribers.

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