This document provides a summary of lecture 10 on speech signal processing. It outlines the phoneme hierarchy, which are the basic units of speech sounds. This includes categories such as vowels, consonants, diphthongs, plosives, nasals, fricatives, and others. Examples of each category are given, such as common vowels in English like "iy" and "aa", and consonants like "p", "m", and "f".

1. Advanced Digital Signal Processing
Lecture 10
Speech Signal Processing
Prof. Dr. Mohammed Najm Abdullah
https://itswtech.academia.edu/MohammedAlSalam

15. Phoneme Hierarchy
Speech sounds
Vowels Consonants
Diphthongs
Plosive
Nasal
Fricative
Retroflex
liquid
Lateral
liquid
Glide
iy, ih, ae, aa,
ah, ao,ax, eh,
er, ow, uh, uw
ay, ey,
oy, aw
w, y
p, b, t,
d, k, g
m, n, ng f, v, th, dh,
s, z, sh, zh, h
r
l
Language dependent.
About 50 in English.