chapter2speechsounds.ppt

Chapter Two
Speech Sounds
As human beings we are capable of making all kinds of sounds.
How many sounds can we produce? Are all of them are used in human language?
only some of these sounds have e units in the language system.
We can analyze speech sounds from various perspectives and the two major areas of study are ics and phonology.
ics 语音学
1. Definition
2. Branches
3. ic Description
4. ic Transcription
5. ic Classification
Language is primarily vocal. The primary medium of human language is sound. Linguists are not interested in all sounds, but in speech sounds----sounds that convey meaning in munication.
1. definition
ics ----A branch of linguistics which studies the characteristics of speech sounds and provides methods for their description, classification and transcription, . [p] bilabial, stop.
ics is the scientific study of the speech sounds, including the production of speech sounds.
ics is the study of phonic medium of language 语言的语音媒介

the limited range of sounds which are meaningful in munication
1. Definition
ics studies how speech sounds are produced, transmitted and perceived.
Branches
The study falls into three main areas: articulatory ics, acoustic ics and auditory ics.
Speech production
Speech perception
Speech transmission
Figure 1 The process of speech transmission
ics studies how speech sounds are produced, transmitted, and perceived.
Articulatory ics(发音语音学)is the study of the production of speech sounds.
Acoustic ics (声学语音学)is the study of the physical properties of speech sounds.
Perceptual or Auditory ics (感知/听觉语音学)is concerned with the perception of speech sounds.