AES Store

Journal Forum

Audibility of a CD-Standard A/DA/A Loop Inserted into High-Resolution Audio Playback - September 2007
10 comments

Reflecting on Reflections - June 2014
1 comment

Quiet Thoughts on a Deafening Problem - May 2014
1 comment

Access Journal Forum

AES E-Library

Wiener Filtering for Anechoic Transfer Function Measurement in Acoustics

Deriving the transfer function of electroacoustical systems in a normal reverberant environment is usually based on frequency-domain methods that compute the anechoic spectra of direct and early sounds. Unlike time-delay spectrometry and time-gating frequency analysis, this paper proposes a Wiener-Hopf solution for time-gating in anechoic transfer-function measurements. The procedure eliminates scattered or reflected rays. Compared to methods based on the discrete Fourier transform, this approach allows for nonuniform frequency-domain sampling when the system’s magnitude and/or phase responses exhibit large variations. Since the approach relies only on frequency-domain measurements and simple time-gating, it does not require complicated and expensive equipment such as pulse generators and fast sampling oscilloscopes.

Author:
Affiliation:
JAES Volume 61 Issue 7/8 pp. 573-578; July 2013
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