Automatic Gain Switcher for Voice Intercoms
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.
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.