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2. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   This is because an engine's cyclic nature makes analysis and noise cancellation easier to apply. Modern mobile phones use a multi-microphone design to cancel out ambient noise from the speech signal. Sound is captured from the microphone(s) furthest from the mouth (the noise signal(s)) and from the one closest to the mouth (the desired signal).

3. Acoustic quieting - Wikipedia

   en.wikipedia.org/wiki/Acoustic_quieting

   Electronic noise control: Electronics, sensors, and computers are also employed to cancel noise by using phase cancellation which matches the sound amplitude with a wave of the opposite polarity. This method employs the use of an active sound generating device, such as a loudspeaker to counteract ambient noise in an area. See noise-canceling ...

4. Noise control - Wikipedia

   en.wikipedia.org/wiki/Noise_control

   Using a combination of sound absorption materials, arrays of microphones and speakers, and a digital processor, a restaurant operator can use a tablet computer to selectively control noise levels at different places in the restaurant: the microphone arrays pick up sound and send it to the digital processor, which controls the speakers to output ...

5. Echo suppression and cancellation - Wikipedia

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

   This muting prevents the speaker from hearing their own voice returning from the far end. Echo cancellation involves first recognizing the originally transmitted signal that re-appears, with some delay, in the transmitted or received signal. Once the echo is recognized, it can be removed by subtracting it from the transmitted or received signal.

6. Category:Noise reduction - Wikipedia

   en.wikipedia.org/wiki/Category:Noise_reduction

   Download QR code; Print/export Download as PDF; Printable version; ... Noise gate; Noise-canceling microphone; Noise-cancelling headphones; P. Power attenuator ...

7. Download, install, or uninstall AOL Desktop Gold

   help.aol.com/articles/aol-desktop-downloading...

   Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.

8. Bear Cub Yanked Out Of Tree For Photos Has Been Returned To ...

   www.aol.com/bear-cub-yanked-tree-photos...

   A black bear cub rescued after being harassed and pulled out of a tree for a photo op has been released back into the wild.. Wildlife officials found the female cub wet and cold in a retention ...

9. The Troubled-Teen Industry Has Been A Disaster For Decades ...

   testkitchen.huffingtonpost.com/island-view

   The Troubled-Teen Industry Has Been A Disaster For Decades. It's Still Not Fixed.