Search results
Results from the WOW.Com Content Network
The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio .
Noise-cancelling aviation headsets are now commonly available. [5] [6] In 1989, Bose Corporation introduced its Aviation Headset Series I, which became the first commercially available ANR headset. [7] Several airlines provide noise-cancelling headphones in their business and first-class cabins. Bose started supplying American Airlines with ...
Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather than a power source. Active noise canceling is best suited for low frequencies. For higher frequencies, the spacing requirements for free space and zone of silence techniques become prohibitive.
What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code
This page was last edited on 17 December 2006, at 08:07 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
An effective model for noise control is the source, path, and receiver model by Bolt and Ingard. [9] Hazardous noise can be controlled by reducing the noise output at its source, minimizing the noise as it travels along a path to the listener, and providing equipment to the listener or receiver to attenuate the noise.
Zing Me is a social network operated by VNG, introduced in August 2009. It is integrated directly via the Zing system, with a variety of special applications like blogging, photo and music sharing, gaming, video clips, and email. In addition, Zing Me was the first social network in Vietnam that had the properties of a platform.