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US Patent 5384772 - Method and apparatus for audio flow control during teleconferencing
US Patent Issued on January 24, 1995
Estimated Patent Expiration Date:
September 1, 2013Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
September 1, 2013Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractMethods, apparatuses, and systems for processing audio data for a teleconference. A preferred system has a bridge terminal and a plurality of client terminals configured on a local area network. The bridge terminal intermittently receives packets of audio data from each client terminal, selectively mixes the audio data, and transmits packets of mixed audio data to the client terminals. The rate at which the bridge terminal mixes data is preferably greater than the rates at which the client terminals capture and play back audio data. Each client terminal implements special processing to determine how to handle each new packet of mixed audio data received from the bridge terminal. The special processing is based on the number of packets in the receiving buffer of the client terminal. | InventorApplicationNo. 115345 filed on 09/01/1993US Classes:370/235, Flow control of data transmission through a network370/266, Using summation of conferee signals370/389, Switching a message which includes an address header379/202.01ConferencingExaminersPrimary: Marcelo, MelvinAttorney, Agent or FirmUS Patent References4792942, Method and apparatus for multi-destination communication processing in packet storage/exchange nodeIssued on: 12/20/1988 Inventor: Osato4953159, Audiographics conferencing arrangement Issued on: 08/28/1990 Inventor: Hayden, et al.5127001, Conference call arrangement for distributed network Issued on: 06/30/1992 Inventor: Steagall, et al.5317567Multi-speaker conferencing over narrowband channels Issued on: 05/31/1994 Inventor: Champion International ClassH04L 012/18 |
