A means of reducing the apparent noise in systems employing sum-difference multiplexing with no alteration of frequency response is presented. The method takes interchannel separation a function of program level, exchanging separation for an improved signal-to-noise ratio at low volume levels. The psychoacoustic and electronic principles behind its operation and the qualitative results of listening tests on several versions are given.

Author: Cabot, Richard C.
Affiliation: Acoustics Research Laboratory, Rensselaer Polytechnic Institute, Troy, NY
JAES Volume 25 Issue 3 pp. 95-98; March 1977
Publication Date: March 1, 1977

Click to purchase paper as a non-member or you can login as an AES member to see more options.

No AES members have commented on this paper yet.

Subscribe to this discussion

To be notified of new comments on this paper you can subscribe to this RSS feed. Forum users should login to see additional options.

Start a discussion!

If you would like to start a discussion about this paper and are an AES member then you can login here:
Username:
Password:

If you are not yet an AES member and have something important to say about this paper then we urge you to join the AES today and make your voice heard. You can join online today by clicking here.