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- The purpose of this thesis is to develop an active noise control (ANC) earphones with low cost DSP chip such that background noise can be cancelled while listening to the music. 本论文主要目标是开发低价位DSP实现之主动式耳机，希望使用耳机听音乐时，能够消除外在背景噪音，使得使用者能够听到清晰的音乐。
- automatic background noise control 背景噪声自动调整
- Research on background noise control and operation technology of thin-film thickness wideband monitoring system 膜厚宽带监控系统中背景噪声的抑制
- This paper discuss soures of noise in the IC works, important of noise control and main measure for nois control. 本文分析了集成电路制厂的噪声来源,阐述了噪声控制的重要性及主要噪声的控制措施。
- There was a ceaseless background noise of machines and voices. 不停地传来机器轰鸣声和人们的说话声。
- Acoustics Design and Noise Control ? 音质设计与噪声控制
- People alter their voices in relationship to background noise. 人们根据环境噪音的大小调节自己的声音。
- Reduces low-level background noise in quiet environments. 衰减安静环境下低水平背景噪声。
- Noise control for engineers Lord et al. McGraw-Hill. 参考书目(书名,作者,书局,代理商,说明
- "Where are you?" I asked him,trying to recognise the background noise. “你在哪儿?”我问他，并竭力辨别背景噪音。
- FIX: Background noise during lower volume calls ('hissing bug') now fixed. 低音量通话时的背景燥声(咝咝声)问题得到解决。
- There is too much background noise for speech recognition to work well. 背景杂音太多了,语音识别无法正常运行。
- SAE 8000 - Not irritating but not involving, either. Too much background noise. 74 SAE 8000既不恼人也不喜人，但总是有太多的背景噪音。
- Every analogue wireless system has background noise to a certain extent. 每个模拟无线系统都有一定程度的电子干扰音。
- Muffler is the conventional muffling device in the noise control of compressor. 消声器是压缩机噪声控制中常用的消声装置。
- Use earplugs, a fan or some other source of constant, soothing, background noise to mask sound that you cannot control, such as a busy street, trains, airplanes or even a snoring partner. 用耳塞，风扇或其它一些频率不变并带安抚作用的背景噪音，它们可以掩盖一些你不能控制的声音，比如嘈杂的街道，火车，飞机，或者是同伴的呼噜声。
- Remove static, hiss, hum, or other constant background noises. 去除静电噪声、嘶嘶声、嗡嗡声或其它持续背景噪声。
- Active Structure Acoustic Control(ASAC) is the leading field in the area of Vibration and Noise Control. 结构振动声辐射主动控制技术(ASAC)是目前国际上振动噪声主动控制研究领域的前沿方向之一,有着巨大的潜在应用价值。
- Some people like to work with the radio on for they think that a background noise may help them to concentrate . 有些人喜欢开着收音机工作，因为他们认为背景噪音可以帮助人们集中精力。
- Noise control is the techniques used to maintain noise at a level low enough to avoid disturbing people or machinery in the vicinity. 噪音控制是使噪音减少的技术。要把它减少到不影响附近的人和机器的程度。噪音是不受人们喜欢的声音。
