课程名称︰英语语音学二 课程性质︰选修 课程教师︰史嘉琳 开课学院：外国语文学系 开课系所︰文学系 考试日期（年月日）︰2010年5月31日 考试时限（分钟）：50分钟 (可延长) 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : Chapter 8 - Acoustic Phonetics Answer each question as to-the-point andbriefly as possible. 1. What are the three ways that two sounds of the same length can differ? (A three-word answer will do.) (6%) 2. What is the most important information reflected in F3 in American English? (8%) 3. What is 'locus'? Does it exist? (8%) 4. Nasals look pretty much alike on a spectrogram. Where do we look for the main clue as to which is which? (8%) 5. Regarding the information we can get from a spectrogram, what varies from speaker to speaker, and what is much the same? (12%) 6. Describe the difference between a wide-band and a narrow-band spectrogram, and what each might be best used for. (16%) 7. "The acoustic structure of consonants is generally more complicated than that of vowels." (p.199) Why? (15%) 8. The articulation of fricatives and voiceless stops be distinguished from each other on a spectrogram? You may answer in a general way rather than trying to give specific information for each individual case. (12%) 9. If we know in advance what sentence was read, segmenting sounds on a spectrogram is not that difficult. But figuring out what was said just by looking at a spectrogram is very difficult. Why? (15%) --

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