Multiplex communications – Wide area network – Packet switching
Patent
1994-01-14
1995-06-27
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379410, H04B 323
Patent
active
054286042
ABSTRACT:
A training signal is supplied to an echo canceller of a voice conference system and the echo canceller is trained in response to the training signal. The training signal is supplied to the canceller only at the turning on of the power supply to the voice conference system. The results of the training are held after the training is completed.
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NEC Corporation
Olms Douglas W.
Ton Dang
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