This paper describes an automatic gain switching circuit that permits a voice intercom to maintain effective communication in two directions simultaneously, using high levels of amplification in the speaking channel, but without feedback howl that would normally be encountered because of open microphones and loudspeakers at each location.

Authors: Harrison, S. H.; Alexandrovich, G.
Affiliation: Trust Company Company, New York, NY
AES Convention: 14 (October 1962) Paper Number: 255
Publication Date: October 1, 1962

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.