Psychology 2134A/B Lecture Notes - Postalveolar Consonant, Deep Structure And Surface Structure, Transformational Grammar

• School: Western University
• Department: Psychology
• Course: Psychology 2134A/B
• Professor: Olessia Jouravlev

Document Summary

Describing speech sounds: acoustics: study of physical properties of sounds, phonetics: speech sounds, different methods of acoustics to understand speech sounds. Phonetic detail of speech sounds and how they are articulated: formants: peek of energy at certain frequencies, viewed thanks to a spectrogram. Phonemes and allophonemes: phonemes: basic units of sound that are combined to create words, allophonemes: sounds that are understood as the same phoneme. In english about 40 phonemes, divided into consonants and vowels. In many languages there isn"t a corresponded between letters and sounds, so. International phonetic alphabet was created. (read in textbook) Phonetics: articulatory: how sounds are produced, perceptual (auditory): how sounds are perceived, acoustic: waveforms and physical properties of sounds. Articulatory phonetics: we produce speech sounds by moving lips, teeth, mouth and larynx. Larynx is the main source of sounds, produced by changing the shape of vocal tract and moving the articulators. In english there are two forms of sounds, consonants and vowels.