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  2. Echo suppression and cancellation - Wikipedia

    en.wikipedia.org/wiki/Echo_suppression_and...

    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.

  3. Adaptive feedback cancellation - Wikipedia

    en.wikipedia.org/wiki/Adaptive_feedback_cancellation

    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 ...

  4. Smaart - Wikipedia

    en.wikipedia.org/wiki/Smaart

    A software tool that reached Mac users in 1997 was named SpectraFoo, by Metric Halo. [15] At the same time, some early Smaart users found that after tweaking their MIDI drivers they could get Smaart to work on an Apple computer, the software running inside an x86 emulator such as SoftWindows "with varying results".

  5. Talk:Echo suppression and cancellation - Wikipedia

    en.wikipedia.org/wiki/Talk:Echo_suppression_and...

    2 Acoustic echo cancellation. 4 comments. 3 Recent (Jul 7, 2023) changes. 6 comments. Toggle the table of contents. Talk: Echo suppression and cancellation. Add ...

  6. Adaptive noise cancelling - Wikipedia

    en.wikipedia.org/wiki/Adaptive_noise_cancelling

    Adaptive noise cancelling is a signal processing technique that is highly effective in suppressing additive interference or noise corrupting a received target signal at the main or primary sensor in certain common situations where the interference is known and is accessible but unavoidable and where the target signal and the interference are unrelated, that is, uncorrelated [1] [2] [3].

  7. Adobe Flash Player - Wikipedia

    en.wikipedia.org/wiki/Adobe_Flash_Player

    Acoustic Echo Cancellation (acoustic echo cancellation, noise suppression, voice activity detection, automatic compensation for microphone input levels; desktop only) Integration with browser privacy controls for managing local storage (ClearSiteData NPAPI) Native control panel; Auto-update notification for Mac OS X

  8. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    Echo cancellation is a signal-processing operation that subtracts the far-end signal from the microphone signal before it is sent back over the network. Echo cancellation is important technology allowing modems to achieve good full-duplex performance. The V.32, V.34, V.56, and V.90 modem standards require echo cancellation. [12]

  9. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    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: