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2.1 Sound waves: Time and amplitude 2.1.1 What is sound? 2.1.2 Waveforms 2.2 Four basic types of speech wave 2.2.1 Silence 2.2.2 Burst 2.2.3 Random wave 2.2.4 Periodic wave 2.3 Recognizing major types of speech sounds 2.3.1 Vowels 2.3.2 Voiceless plosives 2.3.3 Voiced plosives 2.4 Determining segment boundaries
3.1 Sound spectrograms: Time, frequency, and intensity 3.1.1 Sine waves and complex waves 3.1.2 Spectral analysis 3.1.3 Broad-band and narrow-band spectrograms 3.1.4 Spectra 3.2 Basic acoustic properties of speech signals 3.2.1 Overall gap 3.2.2 Continuous energy 3.2.3 Periodicity 3.2.4 Harmonic structure 3.2.5 Formants 3.2.6 Anti-formants 3.3 Acoustic features of some speech sounds 3.3.1 Vowels 3.3.2 Fricatives and plosives 3.3.3 Static versus dynamic features 3.4 Further reading
4.1 Studying phonation types 4.1.1 Inverse filtering 4.1.2 Studying the output speech signal 4.2 Voiced, voiceless, and aspirated plosives 4.2.1 Acoustic features correlating with the voiced-voiceless distinction 4.2.2 Voice onset time (VOT)
5.1 Introduction 5.1.1 Prosody 5.1.2 Phonetic domains of prosody 5.2 Fundamental frequency (F0) 5.2.1 Extracting fundamental frequency 5.2.2 Interpreting F0 graphs 5.3 Duration and intensity 5.3.1 Duration 5.3.2 Intensity 5.4 Analyzing prosody 5.4.1 Accent 5.4.2 Tone 5.4.3 Intonation
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