LIN200H1 Lecture Notes - Lecture 2: Voiceless Alveolar Fricative, Video On Demand, Nasal Cavity
Document Summary
Phonetics study of making and hearing speech sounds: articulatory phonetics physiology of sounds, speech production, acoustic phonetics physical properties of speech sounds, perceptual acoustics speech perception, challenges: Speech signal is continuous stream of overlapping frequencies. Phonetic transcription able to write down minute details of speech sounds, aided by advanced recording technology. Speech is fleeting words are short, individual sounds = ms. Computational analysis computer algorithms to analyze physical properties of sound waves of speech sounds. Articulators aren"t visible speech producing anatomy = hidden. Open: vocal cords open, but still and stiff. Consonants made w/ complete/partial obstruction of oral tract: i. e. airflow air flow is limited or completely stopped, canadian english consonants: Use ultrasound, paleography to "see" inside the mouth: english orthography = speech in an area of england, 100s yrs ago, problem: not one-to-one correlation between symbol and sound. Not suitable to analyze sounds of individual language or languages. Ex. many diferent ways to spell the same sound i.
