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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 of Purdue University, who【B3】______a graduate student Matthew Lee to create computer models for voice analysis and synthesis. These models break the human singing voice into components that can be【B4】______to produce a more professional-sounding rendition(演唱)of the original voice.
    Far more work is needed before the system is finished, Smith said. He said the specialized programs 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 Society of 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 researchers there.
    The system uses a special technique to break down the original voice. The voice is then reconstructed using a mathematical method which enables the system to resynthesize the voice quickly.
    Smith, who【B8】______signal processing, began working on the underlying "sinusoidal 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 improve the quality of singing.
    "While we have【B9】______improving the quality of the singing voice samples in our 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可知这里应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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