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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【S1】______goal is to have a computer system that will【S2】______a poor singing voice into a great singing voice, "said Mark J. T. Smith, a professor of Purdue University, who is working with 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 then be【S3】______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 pro grams are, however, able to【S4】______certain important characteristics of a person’s voice, such as pitch(音高),duration.
    Lee will【S5】______the latest research findings during the 145th Meeting of the Acoustical Society of America in Nashville, Tenne. , the nation’s country music capital. He will【S6】______the system by playing before-and-after country music audio clips(片段)to researchers there.
    The system uses a special technique to【S7】______down the original voice. The voice is then【S8】______using a mathematical method which enables the system to resynthesize the voice quickly.  Smith, who【S9】______in 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 had success in improving the quality of the singing voice【S10】______in our data base, we also face the challenge of handling all types of voices reliably," Smith said. "There are many challenges in developing a system of this type."

A)translate            B)diversity              C)contribute
D)ultimate             E)terminal               F)transform
G)modified             H)altered                I)present
J)break                K)illustrate             L)reconstructed
M)specializes          N)demonstrate            O)samples
【S4】
选项
答案H
解析 alter所表示的“改变”只是细节的或外表的变化，并不表示本质的改变。这里指改变人声音的一些特征，如音高、持久度等，指的是细节的改变。因此应选alter。
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