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“呜呜祖拉”惹人厌 商家伺机推消音器[文章来自:考试与评价 kU%SpaNgvSYIiQy]
'Anti Vuvuzela Filter' promises quieter World Cup[文章版权 禁止转载:考试与评价 NExN[,~pAYID G9jVPFroG]
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An online company has begun marketing an "Anti Vuvuzela Filter" that promises to silence the sound of the controversial plastic trumpets that have become the trademark of South Africa's World Cup.
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The company's web site, antivuvuzelafilter.com, sells an MP3 audio file for 2.95 euros (3.60 dollars) that the company says will cancel the vuvuzela noise for TV viewers by producing a sound wave similar to the horn's that cancels the noise.
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"Just download our specially designed vuvuzela noise cancellation MP3 and play it back on your home stereo system, computer, iPod, iPhone, etc.," the website says.
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"Depending on the circumstances, the resulting soundwave may be so faint as to be inaudible to human ears."
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But Anthony Sullivan, a physicist at South Africa's Rhodes University, called the idea "a marketing hype and a waste of money."
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"Noise cancelling depends on specific positions. You're not going to get that cancelling," he said.
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His advice to those who don't like hearing the vuvuzela?
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"Mute the TV."
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备受争议的“呜呜祖拉”加油工具已成为南非世界杯的一大标志，日前，一家网络公司推出了一种据称可消除这种塑料喇叭所发出的噪音的“呜呜祖拉滤声器”。
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该公司网站（antivuvuzelafilter.com）上出售的“呜呜祖拉滤声器”其实是一个MP3音频文件，每个售价2.95欧元（3.6美元）。据该公司介绍，该音频文件可通过产生与“呜呜祖拉”声音相近的声波，消除电视里发出的噪音。
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该网站说：“你只需下载我们特别设计的‘呜呜祖拉’MP3消音文件，然后在家庭立体音响系统、电脑、iPod播放器或iPhone手机上等进行播放，即可达到屏蔽噪音的目的。”
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“在某些环境中，用这种文件处理后的声波可能会变得很微弱，人耳几乎听不到。”
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但南非罗德斯大学的物理学家安东尼•沙利文则称这个想法纯粹是“市场炒作和浪费金钱”。
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他说：“噪音的消除取决于特定的位置。喇叭声是消不掉的。”
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那么对于那些不喜欢“呜呜祖拉”声音的人，他有什么建议呢？
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“把电视机调成静音。”
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