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  3. Karaoke may never be the same, thanks to research being presented in Nashville detailing the latest findings in efforts to creat

Karaoke may never be the same, thanks to research being presented in Nashville detailing the latest findings in efforts to creat

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问题     Karaoke may never be the same, thanks to research being presented in Nashville detailing the latest findings in efforts to create a computerized system that makes average singers sound like professionals.
    "Our【B1】______goal is to have a computer system that will【B2】______a poor singing voice into a great singing voice," said Mark J.T. Smith, a professor ofPurdue University, who【B3】______a graduate student Matthew Lee to create computermodels for voice analysis and synthesis. These models break the human singing voice into componentsthat can be【B4】______to produce a more professional-sounding rendition (演唱) ofthe original voice.
    Far more work is needed before the system is finished, Smith said. He said the specialized pro grams are, however, able to alter certain important【B5】______of a person’s voice,such as pitch, duration.
    Lee will present the latest research findings during the 145th Meeting of the Acoustical Societyof America in Nashville, Tenn, the nation’s country music capital. He will 【B6】______the system by playing before-and-after country music【B7】______clips to researchersthere.
The system uses a special technique to break down the original voice. The voice is then recon structed using a mathematical method which enables the system to  resynthesize the voice quickly.
    Smith, who【B8】______signal processing, began working on the underlying ’"si nusoidal mode" (正弦曲线投影模式) in the mid-1980s. The model enables the  human singing voice to be broken into components. More recently, Smith and Lee developed a method for modifying to im prove the quality of singing."
    While we have【B9】______improving the quality of the singing voice samples inour database, we also face the challenge of handling all types of voices【B10】______,"Smith said. "There are many challenges in developing a system of this type."  
【B4】
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答案modified
解析 根据空格前的be可知这里可能填入动词的分词形式。modify意为“改进”，其过去分词形式为去掉y加-ied。
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