extraneous noise

基本解释

Working on a document in a window and want to get rid of all the extraneous background noise?
想丟開乾擾在一個窗口中專心弄一個文档？
The inability to deal with sounds, such as ah, er, ooh, uh or extraneous noise, causes more errors than other factors.
不能処理諸如阿噢、嗚等發音或額外的噪聲，（這些聲音或噪聲）會比其它因素引起更多的錯誤。
dj.client.iciba.com
Although these methods can control and reduce the noise in most measurements, some techniques just prevent noise from entering the system, whereas others remove only extraneous noise from the signal.
雖然這些方法在大多數測量中能控制和減少噪聲，但是一些技術衹是防止噪聲進入系統，而其他衹是去除信號中的外來噪聲。

Then they found a better way to mount it in the driver's helmet and added signal processing to cancel out extraneous noise.
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They both appear to be singular talents with natural leadership skills, off-the-charts intelligence, and an innate ability to tune out the extraneous noise and focus on what is important.
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As before, its got a trio of electrodes for sensing brainwaves, a NeuroSky chip for filtering out extraneous electrical noise and Bluetooth 4.0 for offloading data wirelessly.
ENGADGET