This revised and expanded edition of the classic "Elements of Acoustic Phonetics" provides a concise introduction to basic concepts of acoustics and digital speech processing that are important to linguists, phoneticians, and speech scientists. The second edition includes four new chapters that cover new experimental techniques in acoustic phonetics made possible by the use of computers. Assuming no background in physics or mathematics, Ladefoged explains concepts that must be understood in using modern laboratory techniques for acoustic analysis, including resonances of the vocal tract and the relation of formants to different cavities; digital speech processing and computer storage of sound waves; and Fourier analysis and Linear Predictive Coding, the equations used most frequently in the analysis of speech sounds. Incorporating recent developments in our knowledge of the nature of speech, Ladefoged also updates the original edition's discussion of the basic properties of sound waves; variations in loudness, pitch, and quality of speech sounds; wave analysis; and the hearing and production of speech.
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声学基础知识。p6，空气粒子左右震动。四，几个正弦波合成复杂波，spectrum比波形图更能定义元音，line和continuous spectrum之间关系。五，共鸣，damped，resonance curve，resonant frequency及bandwidth（0.707），作为filter的共鸣器的作用。六，振幅影响音高，音高变化感知最低阈限，主观音高感知与客观基频关系，音强取决于振幅均方根，分贝。七，source-filter理论。八，简单共鸣腔，two-tube model的前后tube与F1F2，Helmholtz 共鸣器与低F1，成阻部位不同，F2F3交替受圆唇影响。九，采样频率及振幅层级，窗口（方形、弧形）。十，离散傅立叶变换。十一，MAfilter，线性预测系数
评分又一本教科书，作为文科生还是被前面那些鬼画符小虐了一把，不过整体还是很简单、易懂、平实
评分过于照顾文科生，描述性语言过多显得不够简练精确。。。
评分声学基础知识。p6，空气粒子左右震动。四，几个正弦波合成复杂波，spectrum比波形图更能定义元音，line和continuous spectrum之间关系。五，共鸣，damped，resonance curve，resonant frequency及bandwidth（0.707），作为filter的共鸣器的作用。六，振幅影响音高，音高变化感知最低阈限，主观音高感知与客观基频关系，音强取决于振幅均方根，分贝。七，source-filter理论。八，简单共鸣腔，two-tube model的前后tube与F1F2，Helmholtz 共鸣器与低F1，成阻部位不同，F2F3交替受圆唇影响。九，采样频率及振幅层级，窗口（方形、弧形）。十，离散傅立叶变换。十一，MAfilter，线性预测系数
评分又一本教科书，作为文科生还是被前面那些鬼画符小虐了一把，不过整体还是很简单、易懂、平实
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