专八英语语言学笔记纲要（2）
Chapter 2 Phoneticsl What is phonetics?
n Phonetics is termed as the study of speech sounds.
n Sub-branches of phonetics
u Articulatory phonetics – the production of speech sounds
u Acoustic phonetics – the physical properties of speech sounds
u Auditory phonetics – the perceptive mechanism of speech sounds
l The speech organs
n Where does the air stream come from?
u From the lung
n What is the function of vocal cords?
u Controlling the air stream
n What are the cavities?
u Oral cavity
u Pharyngeal cavity
u Nasal cavity
l Transcription of speech sounds
n Units of representation
u Segments (the individual sounds)
n Phonetic symbols
u The widely used symbols for phonetic transcription of speech sounds is the International Phonetic Alphabet (IPA).
u The IPA attempts to represent each sound of human speech with a single symbol and the symbols are enclosed in brackets [ ] to distinguish phonetic transcriptions from the spelling system of a language.
u In more detailed transcription (narrow transcription) a sound may be transcribed with a symbol to which a smaller is added in order to mark the finer distinctions.
l Description of speech sounds
n Description of English consonants
u General feature: obstruction
u Criteria of consonant description
l Places of articulation
l Manners of articulation
l Voicing of articulation
u Places of articulation
l This refers to each point at which the air stream can be modified to produce a sound.
n Bilabial:
n Labiodental:
n Interdental:
n Alveolar:
n Palatal:
n Velar:
n Glottal:
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