Phonetics and Phonology (ENG)
VU Lesson-04 INTRODUCTION TO KEY CONCEPTS IN PHONETICS AND PHONOLOGY (P&P)-II At the end of this section, the students will be able to • DEFINE and EXPLAIN the fundamental features of speech production, sound waves and articulatory gestures such as the oro-nasal process.
Topic-019: Experimental Phonetics and Phonology Experimental phonetics and phonology as a subject aims to integrate research
in experimental phonetics, experimental psychology and phonological theory to provide a hypothesis-based investigation of phonological phenomena (of the kind which is a standard in the experimental sciences. Although quite a lot of the work done in phonetics is descriptive (providing an account of how different languages and accents are pronounced, and some is prescriptive (stating how they ought to be pronounced) yet an increasing amount of phonetic research is experimental, aimed at the development and scientific testing of hypotheses. Experimental phonetics is quantitative (based on numerical measurement.
Like other scientific subjects, it makes use of controlled experiments, which means that the expert has to make sure that the results could only be caused by the factor being investigated and not by some other element. Nowadays, experimental research is carried out in all fields of phonetics. For example,
in the articulatory field, we measure and study how speech is produced. Similarly, in the acoustic field we examine the relationship between articulation and the resulting acoustic signal, and look at physical properties of speech sounds in general. Finally, in the auditory field we do perceptual tests to discover how the listener’s ear and brain interpret the information in the speech signal. Topics explored through experimental phonetics and phonology include
infant speech perception, experimental paradigm for testing infants, categorical perception of child acquisition, speech perception abilities of infants and changes in perception. Peter Ladefoged explored the following three areas of experimental phonetics in 1967:
• Stress
in respiratory activity • The nature of vowel quality
• Perception and production of speech
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