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v. to cross out, annul, destroy, void and/or rescind a document. Cancelling can be done in several ways: tear up the document or mark on its face that it is cancelled, void, or ended if the debt for which it stood has been paid. It is important that the document (like a promissory note) itself become no longer operative either by destruction or marking, so that it cannot be used again. (See: cancellation)

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verb abolish, abort, abrogate, annihilate, annul, avoid, countermand, counterorder, counterpoise, declare invalid, declare null and void, delere, deny, deprive of force, discard, disclaim, discontinue, disestablish, dissolve, drop, end, eradicate, excise, expunge, extinguish, inducere, invalidate, make void, negate, not proceed with, nullify, obliterate, override, overrule, put an end to, quash, quell, quench, recall, recant, render invalid, render useless, render void, renege, repeal, repudiate, rescind, restrain, retract, reverse, revoke, set aside, suspend, terminate, vacate, void
Associated concepts: cancel a contract, cancel a debt, cancel an instrument, cancel an order, obsolete, rescission, void
See also: abandon, abate, abolish, abrogate, adeem, annul, ban, cease, censor, condemn, countervail, debar, defeat, delete, disable, discharge, disclaim, discontinue, dissolve, eliminate, eradicate, expunge, expurgate, extinguish, extirpate, forestall, forgive, frustrate, invalidate, kill, negate, neutralize, nullify, obliterate, override, overrule, quash, recall, recant, refute, remit, remove, repeal, repudiate, rescind, revoke, superannuate, suppress, terminate, vacate, vitiate, void
References in periodicals archive ?
Kulkarni explained, "Echo cancellers are sophisticated signal processing devices.
By taking advantage of AMI Semiconductor's patented WOLA filterback coprocessor within the BelaSigna 200 and 250 systems, the echo canceller does not rely on the ability to identify when the headset user talks.
It then enables or disables the echo canceller as necessary.
The new echo canceller is an enhanced optical voice processor that replaces previous generation echo cancellation equipment developed by Lucent nearly 10 years ago.
Lucent Technologies (NYSE: LU) and NMS Communications (NASDAQ: NMSS) today announced that their new echo cancellers have been selected by Japanese major network operators to improve the voice quality of their next-generation networks in Japan.
TI's high performance solution, coupled with an outstanding acoustic echo canceller, provides 3Com great value and differentiation for our IP phones," said Greg Zweig, 3Com senior product line manager.
This will enable OEMs to download proprietary or commercial-off-the-shelf software for functions such as vocoders, echo cancellers, speech analysis, data and fax modems, encryption, and many others.
The 21 alliance members provide operating systems, middleware, and similar technologies for Renesas telematics reference platforms (protocol stacks, interfaces, speech-recognition software, echo cancellers, storage-related products, and more), while Renesas focuses on chip development and platform development.
Our electronic surveillance tools, including microphone amplifiers and processors, countermeasures devices, speech activity detectors, and radio/television noise cancellers, help law enforcement agencies around the globe detect, capture, arrest, and prosecute criminals.