Down with noise [active noise control].

Annoying noise in the passenger cabins of propeller aircraft, the rumble in air-conditioning systems, and the sounds disrupting headset communication are being reduced these days by active noise control, thanks to advances in digital signal processing. The technique relies on the principle of destru...

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发表在:	IEEE spectrum 36, 6 (1999).
主要作者:	Elliott, S.J
格式:	文件
语言:	English
主题:	Acoustic wavelength. Acoustic wavelengths. Active noise control. Destructive interference. Digital signal processing. Electronically controlled output. Primary sound source. Secondary sound source. Sound fields. Unwanted primary sound cancellation.