AES Store

Journal Forum

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

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

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

Access Journal Forum

AES E-Library

A Dynamic Noise Filter

A new implementation of the voltage-variable filter principle utilizes integrators and two-quadrant transconductance multipliers to reduce noise from records, tapes, and musical instruments. The filter, whose bandwidth is automatically controlled, restricts the bandwidth only during the absence of significant low- or high-frequency signal content. Included in the system are sharp notch filters to eliminate hum and a variable threshold slew rate limiter to attenuate clicks and pops.

JAES Volume 19 Issue 2 pp. 115-120; February 1971
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