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Janet Jackson's 1989 Hit 'Rhythm Nation' May Literally Crash Laptops, Microsoft Says_我的网站

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A | The 1989 song "Rhythm Nation" by Janet Jackson has a funky/new jack swing-ish beat that encourages dancing, but it also has a special frequency that can cause some laptops, fortunately from the bygone era of Windows XP, to crash, Microsoft developer Raymond Chen said.,Chen, the chief software engineer at Microsoft, reported the problem on his blog The Old New Thing this week. He claimed that the song's frequency coincided with the laptop hard drive's resonant frequency, which is an object's inherent frequency.,The way a glass breaks when exposed to certain noises is similar to how a laptop crashes, Chen asserted, as the sound from the source sends an unseen vibration through the air and onto the glass.,"A colleague of mine shared a story from Windows XP product support. A major computer manufacturer discovered that playing the music video for Janet Jackson's 'Rhythm Nation' would crash certain models of laptops," Chen wrote. "I would not have wanted to be in the laboratory that they must have set up to investigate this problem. Not an artistic judgment.",According to Chen, the manufacturer discovered that Jackson's song also crashed laptops built by its rivals.,"Playing the music video on one laptop caused a laptop sitting nearby to crash, even though that other laptop wasn't playing the video," he said. "It turns out that the song contained one of the natural resonant frequencies for the model of 5400 rpm laptop hard drives that they and other manufacturers used.",Then, manufacturers included a "custom filter in the audio pipeline that detected and removed the offending frequencies during audio playback," and this fixed the problem. Chen added that they likely attached a digital version of a "Do Not Remove" sticker on that audio filter.,However, he expressed some concern that, after adding the workaround many years ago, nobody would remember its purpose.,"Hopefully, their laptops are not still carrying this audio filter to protect against damage to a model of hard drive they are no longer using," Chen concluded.,Chen did not say what kind of sounds caused such a resonance. But that apparently does not matter now, given the transition of laptops and desktop computers to SSDs.,In addition, Chen attached to the post an old educational video from the data center, which demonstrates the effect of sound wave vibrations, namely human screams, on the operation of hard drives in a rack.,By and large, resonance is a physical phenomenon in which the frequency of one object's sound waves and those of another object coincide. This may result in a sharp rise in amplitude. This is why some bridges have previously collapsed.。中新社北京8月22日电 (记者吕少威陈杭徐婧)22日晚，位于北京的国家速滑馆“冰丝带”星光闪耀，第二届世界人形机器人运动会在此拉开帷幕。上千台人形机器人精彩亮相，共同开启这一科技与体育交融的全球竞技盛会。

B | 8月22日晚，第二届世界人形机器人运动会在国家速滑馆“冰丝带”拉开帷幕。　中新社记者贾天勇摄　　开幕式科技感十足，人形机器人乐手与人类管弦乐队联袂奏响序曲，上千台人形机器人组成的方阵与人类伙伴配合默契，共同完成队列变换、集群展演等节目，展现人机共融未来图景。　　如同奥运圣火跨越全球、传递梦想，本届世界人形机器人运动会也跨越山海，在全球多地完成“能量传递”。能量传递最后回到北京，汇聚到开幕式上。现场，机器人端坐机器马背，缓缓引弓搭箭，稳稳瞄准。光箭破空疾驰，光束奔涌汇聚，直击“智芯”，正式点亮象征人形机器人界的“圣火”。　　开幕式上还进行了看点十足的表演赛和技术展示等环节。