Lecture 1 Phonetics – the study of speech sounds

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Presentation transcript:

Lecture 1 Phonetics – the study of speech sounds

Overview what is phonetics about history of phonetics areas of phonetic research areas of applied phonetics history of phonetics methods of phonetic research

Speaking and understanding speech phonetic plan communicative intent articulation linguistic encoding acoustic signal linguistic decoding auditory perceptual representation communicative intent

What is phonetics all about?

Three areas of phonetic science articulatory phonetics the production of speech sounds acoustic phonetics the physical properties of speech sounds auditory phonetics the perception of speech sounds

Articulatory phonetics How are speech sounds produced? Which body parts are involved? How do the organs involved in speech production work? How do humans learn to produce speech sounds?

Acoustic phonetics What are the physical properties of speech sounds? vowel

Auditory phonetics Which body parts are involved in the perception of speech? How do they work? How do humans learn to perceive speech? How many words are produced?

Who needs phonetics? areas of applied phonetics: language teachers speech therapists speech technology sociolinguists / research on accents forensic phonetics

Who needs phonetics? language teachers speech therapists speech technology sociolinguists / research on accents forensics analysis of pronunciation errors, exercises voice strain in speaking professions

Who needs phonetics? language teachers speech therapists speech technology sociolinguists / research on accents forensics (patient with dysarthtia) analysis of pronunciation

Who needs phonetics? language teachers speech therapists speech technology sociolinguists / research on accents forensics synthetic speech automatic speech recognition

Who needs phonetics? language teachers speech therapists speech technology sociolinguists / research on accents forensics accent differences

Who needs phonetics? language teachers speech therapists speech technology sociolinguists / research on accents forensics speaker characteristics

Related disciplines

Phonetics/Phonology phonetics: physiological and physical properties of the production and perception of all speech sounds phonology: sound inventory and functions and patterns of the speech sounds in one particular language interaction between the two in all areas

History of phonetics 1569 John Hart: An Orthographie describes pronunciation at that time 1877 Henry Sweet: A Handbook of Phonetics 1888 first IPA chart

Early tools: Henrici analyser (1940)

Spectrograph (1950) signal recorded on magnetic drum energy in various frequency regions is determined blackening of paper in proportion to energy

Phonetic research today Speech analysis software e.g. Praat

Articulation research today EMA: electromagnetic measurement of tongue movement palatography laryngography

Phonetics at Freiburg www.phonetik.uni-freiburg.de Room 1026 acoustic analyses equipment, materials