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Listen to this 2 英语初级听力(MP3+字幕) 第10课(6)

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Task 2. Dictation. Voice analysis.

If we want to measure voice features very accurately, we can use a voice analyser.

A voice analyser can show four characteristics of a speaker's voice.

No two speakers' voices are alike.

To get a voice sample, you have to speak into the voice analyser.

The voice analyser is connected to a computer.

From just a few sentences of normal speech, the computer can show four types of information about your voice.

It will show nasalization, loudness, frequency and length of articulation.

The first element, nasalization, refers to how much air normally goes through your nose when you talk.

The second feature of voice difference is loudness.

Loudness is measured in decibels.

The number of decibels in speaking is determined by the force of air that comes from the lungs.

The third feature of voice variation is frequency.

By frequency, we mean the highness or lowness of sounds.

The frequency of sound waves is measured in cycles per sound.

Each sound of a language will produce a different frequency.

The final point of voice analysis concerns the length of articulation for each sound.

This time length is measured in small fractions of a second.

From all four of these voice features, length of articulation, frequency, loudness and nasalization,
the voice analyser can give an exact picture of a person's voice.

重点单词   查看全部解释    
determined [di'tə:mind]

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adj. 坚毅的,下定决心的

 
articulation [ɑ:.tikju'leiʃən]

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n. (清楚的)发音,表达 n. 接合,连接,[植]节,

 
measured ['meʒəd]

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adj. 量过的,慎重的,基于标准的,有韵律的 动词me

 
analysis [ə'næləsis]

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n. 分析,解析

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produce [prə'dju:s]

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n. 产品,农作物
vt. 生产,提出,引起,

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accurately ['ækjuritli]

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adj. 准确地
adv. 精确地,准确地

 
element ['elimənt]

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n. 元素,成分,组成部分,(复数)恶劣天气

 
sample ['sæmpl]

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n. 样品,样本
vt. 采样,取样

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characteristics [,kærəktə'ristiks]

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n. 特性,特征;特质;特色(characteristi

 
measure ['meʒə]

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n. 措施,办法,量度,尺寸
v. 测量,量

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