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Today's telephony technology often employs echo cancellers in small or handheld communications devices via a software voice engine, which provides cancellation of either acoustic echo or the residual echo introduced by a far-end PSTN gateway system; such systems typically cancel echo reflections with up to 64 milliseconds delay.
Adaptive feedback cancellation originated during the evolution of the hearing aid. The hearing aid became digital, and as such feedback cancellation was needed. In 1980 a directional microphone was introduced in the digital hearing aid, and adaptive feedback cancellation was created to block external noise that the microphone picked up. Today ...
Acoustic echo cancellation (AEC) is a processing algorithm that uses the knowledge of audio output to monitor audio input and filter from it noises that echo back after some time delay. If unattended, these echoes can be re-amplified several times, leading to problems including:
Bio-acoustic software Name License Platform Details Audacity [1] GPL v2: Linux, Macintosh, Windows: General purpose audio editing tool. Anabat Insight [2] Proprietary Windows, Macintosh Designed for bat call analysis; allows users to view, listen to, manage, search, analyse, and report on recordings in full spectrum or zero crossing.
The allegations concern meetings between Agere and Microsoft in 2002 and 2003, where the companies discussed selling Agere's stereophonic acoustic echo cancellation technology to Microsoft. This technology is used to improve the sound of telephone and teleconference communications over the Internet. Just before the agreement was to be signed ...
Sound reinforcement in a large format system typically involves a signal path that starts with the signal inputs, which may be instrument pickups (on an electric guitar or electric bass) or a microphone that a vocalist is singing into or a microphone placed in front of an instrument or guitar amplifier.
Doritos recently created groundbreaking crunch-cancellation software, appropriately dubbed Doritos Silent, that cancels out chewing noises. And while it's sounds like a dream even for non-gamers ...
An acoustician version has been offered as Smaart Acoustic Tools, however as of Smaart v7.4, Acoustic Tools have been included within the Impulse Response mode of Smaart. A standalone sound pressure level monitoring-only version called Smaart SPL was released in 2020.