Read. Open the free textbook on Zenodo and use the printed page range shown for each chapter.
Watch. Review the matching chapter video lesson.
Listen. Revisit the main ideas with the matching podcast.
Work through the chapters in order or choose a topic from the chapter directory. Attempt the textbook activities and check its examples, phonetic symbols, and stated pronunciation conventions. Chapter and topic headings follow the textbook; the short explanations provide separate study support.
Watch all 15 video lessons · Listen to all 15 podcasts
Choose a chapter, read its textbook pages, and use the matching video and podcast to review its five core topics.
Textbook pp. 15–26
Speech moves from a speaker's ideas and physical movements to sound waves and a listener's understanding. This chapter introduces the evidence and terminology used to describe that process and explain how sounds function in languages.
Central question: How can speech, which is continuous, fast and variable, be studied as a set of describable sounds?
Watch Chapter 1 · Listen to Chapter 1
Five core topics
1.1 Speech as a Physical Event: The Speech Chain — Follow a spoken message through production, transmission, and perception, and connect these stages with the main branches of phonetics.
1.2 Sounds Are Not Letters: Spelling and Pronunciation — Examine mismatches between letters and sounds, including silent letters, alternative spellings, and differences between writing systems.
1.3 Phonetics and Phonology: Where the Boundary Lies — Distinguish phones, phonemes, and allophones, using minimal pairs and predictable sound differences as evidence.
1.4 A Short History of Phonetic Description and the IPA — Trace traditions of sound description and the development of the IPA as a shared system for representing speech.
1.5 Why Phonetics Matters: Teaching, Speech Sciences and Technology — Explore how phonetic evidence supports language teaching, speech-language pathology, forensic work, language documentation, and speech technology.
Textbook pp. 27–39
Speech depends on coordinated airflow, vocal-fold activity, and movements of the vocal tract. This chapter explains the organs involved and the different ways researchers observe them in action.
Central question: Which parts of the body produce speech, and how does each part change the sound?
Watch Chapter 2 · Listen to Chapter 2
Five core topics
2.1 The Respiratory System and the Airflow for Speech — Explain how pressure differences move air from the lungs and how controlled speech breathing differs from quiet breathing.
2.2 The Larynx and the Vocal Folds — Locate the larynx and vocal folds, and relate their vibration and opening to voiced and voiceless sounds.
2.3 The Vocal Tract: Pharynx, Oral and Nasal Cavities — Describe the connected vocal-tract cavities and how their shape and the velum affect resonance and the route of airflow.
2.4 The Articulators: Lips, Teeth, Tongue, Palate and Velum — Identify active and passive articulators and the named regions of the tongue, using the textbook's anatomical conventions.
2.5 Seeing Articulation: From Diagrams to Imaging — Compare diagrams, ultrasound, MRI, and other methods by the movements they reveal and the limits of their evidence.
Textbook pp. 40–52
Phonetic transcription provides a way to represent speech independently of ordinary spelling. This chapter explains how to read the IPA chart, choose a useful level of detail, and interpret the conventions used by dictionaries and other sources.
Central question: How can the sounds of any language be written down consistently so that another reader can reproduce them?
Watch Chapter 3 · Listen to Chapter 3
Five core topics
3.1 The Layout of the IPA Chart — Navigate the consonant and vowel charts and the sections for other symbols, diacritics, and suprasegmental information.
3.2 One Symbol, One Sound: Principles of the Alphabet — Understand IPA symbols as labels for phonetic properties while recognizing that exact realizations depend on language and transcription conventions.
3.3 Broad and Narrow Transcription — Distinguish phonemic representation from more detailed phonetic transcription and choose brackets and detail to suit the purpose.
3.4 Diacritics and Other Marks — Use diacritics and other marks to show features such as aspiration, nasalization, syllabicity, length, and stress.
3.5 Transcribing in Practice: Dictionaries, Fonts and Common Errors — Check dictionary-specific conventions, accent labels, Unicode characters, and fonts rather than assuming that every notation difference reflects a different sound.
Textbook pp. 53–65
Consonants differ in where and how airflow is restricted and whether the vocal folds vibrate. This chapter combines those observations into systematic descriptions and shows how they relate to the IPA consonant chart.
Central question: What three questions must be answered to describe any pulmonic consonant of any language?
Watch Chapter 4 · Listen to Chapter 4
Five core topics
4.1 What Makes a Sound a Consonant — Compare articulatory constriction with syllable position, recognizing why approximants and syllabic consonants complicate a simple consonant-vowel division.
4.2 Place of Articulation from Lips to Glottis — Locate the main constriction from the lips to the glottis and identify the active and passive articulators involved.
4.3 Manner of Articulation — Compare closure, narrowing, contact, and airflow to distinguish plosives, nasals, fricatives, approximants, taps, trills, and affricates.
4.4 Voicing and the Voice-Place-Manner Label — Combine voicing, place, and manner in a consistent label and use those properties to recover an IPA symbol.
4.5 Reading and Completing the Consonant Chart — Read chart columns, rows, and symbol pairs, and distinguish an unassigned blank cell from an articulation the chart marks as impossible.
Textbook pp. 66–79
English consonants change with their position and surrounding sounds, and other languages organize consonant contrasts differently. This chapter connects the English inventory with examples from other varieties and languages.
Central question: How do the consonants of English fit into the world's consonant systems, and where do learners' first languages differ?
Watch Chapter 5 · Listen to Chapter 5
Five core topics
5.1 English Plosives and Affricates — Examine the stages of plosives, affricate release, and positional variation such as aspiration in the English reference accents.
5.2 English Fricatives, Nasals and Approximants — Describe English fricatives, nasals, and approximants, attending to positional restrictions and differences between accents.
5.3 Consonant Clusters and Syllabic Consonants — Identify permitted consonant sequences and cases where a consonant forms a syllable center, then compare patterns across languages.
5.4 Secondary Articulation and Sounds Beyond English — Distinguish a consonant's primary constriction from added gestures such as lip rounding, palatalization, velarization, and pharyngealization.
5.5 Comparing Consonant Inventories — Compare inventories from named sources and varieties, checking phonetic details and treating possible learner difficulties as tendencies to investigate.
Textbook pp. 80–91
Vowels vary across a continuous range without the clear articulatory contacts found in many consonants. This chapter introduces shared reference points for describing their quality, movement, length, and other features.
Central question: Vowels have no clear contact between articulators, so how can they be described and compared?
Watch Chapter 6 · Listen to Chapter 6
Five core topics
6.1 Height, Backness and Lip Rounding — Describe vowel quality through height, backness, and lip rounding, treating these as separate dimensions.
6.2 The Cardinal Vowels and the Vowel Quadrilateral — Use the cardinal vowels as reference points and read the vowel quadrilateral as a shared map for comparing qualities across languages.
6.3 Monophthongs, Diphthongs and Vowel Length — Distinguish relatively steady vowels from gliding vowels and separate contrastive vowel length from measured duration.
6.4 Nasalized, Rhotic and Other Vowel Features — Recognize nasalization, r-coloring, tongue-root differences, and voicelessness while checking whether a feature distinguishes words or follows from context.
6.5 Vowel Charts in Practice: Hearing and Plotting Vowels — Place and compare vowels through careful listening and reference recordings, recognizing that a chart does not directly measure the whole vocal tract.
Textbook pp. 92–104
English vowel systems differ across accents and from the vowel systems of other languages. This chapter uses British and American reference models to make those differences easier to compare while keeping intelligibility and variation in view.
Central question: How do the vowel systems of English differ between accents and from other languages, and what does this mean for learners?
Watch Chapter 7 · Listen to Chapter 7
Five core topics
7.1 Two Reference Models: General British and General American — Understand General British and General American as practical reference models, with their own histories and notation conventions rather than exclusive standards of correct English.
7.2 The Long and Short Vowels of English — Use lexical sets to compare vowel categories across accents, separating differences in quality, duration, distribution, and transcription.
7.3 Diphthongs, Triphthongs and Rhoticity — Compare gliding vowels and the treatment of postvocalic r, while recognizing variation and change within the reference accents.
7.4 Weak Vowels and Schwa — Identify schwa and other weak vowels and examine how unstressed-vowel reduction varies across words, accents, and languages.
7.5 Vowel Systems Across Languages and Learner Vowels — Compare vowel inventories using stated analyses and test possible learner difficulties against evidence, with intelligibility as the learning goal.
Textbook pp. 105–116
Speech sounds depend on how the vocal folds work and how air is set in motion. This chapter compares phonation, voicing timing, voice quality, and airstream mechanisms across languages.
Central question: How do the larynx and the airstream create sound differences that English uses little but many languages use a great deal?
Watch Chapter 8 · Listen to Chapter 8
Five core topics
8.1 States of the Glottis: Modal, Breathy and Creaky Voice, and Whisper — Compare modal, breathy, and creaky voice with whisper, and examine how languages use phonation to distinguish words.
8.2 Voice Onset Time and Aspiration — Relate the start of vocal-fold vibration to plosive release, and compare voicing lead, short lag, and long lag without treating them as universal sound categories.
8.3 Voice Quality and Long-Term Settings — Distinguish a feature of one speech sound from a lasting vocal setting, and interpret social judgments about voices cautiously.
8.4 Non-Pulmonic Airstreams: Ejectives, Implosives and Clicks — Compare how the larynx and tongue move air for ejectives, implosives, and clicks, including variation in the inward airflow of implosives.
8.5 Glottal and Pharyngeal Consonants — Locate glottal and pharyngeal constrictions, and distinguish a pharyngeal consonant from secondary pharyngealization of an oral consonant.
Textbook pp. 117–129
Words often sound different in fluent speech from their dictionary forms. This chapter explains overlapping movements, sound changes at word boundaries, and weak forms, then brings them together in connected-speech transcription.
Central question: Why do words sound different in running speech from the way they sound in isolation?
Watch Chapter 9 · Listen to Chapter 9
Five core topics
9.1 Coarticulation: Anticipatory and Carry-Over Overlap — Trace how neighboring speech gestures overlap before and after a sound, recognizing that a transcription simplifies continuous movement.
9.2 Assimilation — Classify changes in place, voicing, and manner by their direction, while distinguishing similarity to a neighboring sound from the degree of articulatory change.
9.3 Elision, Linking and Intrusion — Distinguish omitted sounds, smooth word links, and intrusive sounds, while recognizing that an inaudible consonant may still involve a hidden articulatory gesture.
9.4 Weak Forms and Reduction in Function Words — Choose strong and weak forms by stress, grammatical use, and position, and explain why ordinary reduction is part of fluent English.
9.5 Transcribing Connected Speech — Build a connected-speech transcription from citation forms, weak forms, word-boundary changes, and relevant phonetic detail, while acknowledging possible variation.
Textbook pp. 130–142
Speech is organized into syllables and patterns of prominence as well as individual sounds. This chapter connects syllable structure, word and sentence stress, and measured timing across languages.
Central question: How is speech organized into units larger than the segment, and how does prominence work in different languages?
Watch Chapter 10 · Listen to Chapter 10
Five core topics
10.1 The Syllable as a Phonetic Unit — Identify onset, nucleus, and coda, use sonority to explain common syllable patterns, and compare syllables with the smaller timing units called morae.
10.2 What Stress Is: Duration, Loudness, Pitch and Vowel Quality — Combine duration, loudness, pitch, and vowel quality when identifying stress, recognizing that languages and listeners give these cues different weights.
10.3 Word Stress in English and Fixed-Stress Languages — Compare fixed, weight-sensitive, and lexical stress, and investigate how English word class, suffixes, and phrase context influence stress patterns.
10.4 Sentence Stress and Prominence in Discourse — Explain how new information and contrast guide a phrase’s main prominence, including cases where a function word becomes prominent.
10.5 Rhythm and the Timing Debate — Compare traditional rhythm labels with measured intervals, and explain why English stress patterns do not require perfectly equal beats.
Textbook pp. 143–155
Pitch can distinguish words or shape the message of a whole phrase. This chapter separates measured fundamental frequency from perceived pitch and compares lexical tone with the structure and functions of intonation.
Central question: How do languages use the pitch of the voice to carry meaning at the word level and at the sentence level?
Watch Chapter 11 · Listen to Chapter 11
Five core topics
11.1 Pitch and Fundamental Frequency — Distinguish measured fundamental frequency from perceived pitch, and recognize gaps and possible tracking errors in a pitch display.
11.2 Lexical Tone in the World's Languages — Compare level and contour tones used in lexical or grammatical contrasts, and interpret notation relative to the language’s tone system and supplied key.
11.3 The Structure of English Intonation: Tone Units and Nuclear Tones — Identify tone units, tonic syllables, and tails, following the nuclear pitch movement from the tonic syllable through the end of the unit.
11.4 The Functions of Intonation — Examine how intonation contributes to attitude, grammatical grouping, discourse, and focus, using context rather than assigning a fixed meaning to each contour.
11.5 Intonation Across Languages and in Learner Speech — Compare question melodies and other grammatical signals across languages, and practice learner intonation as a set of context-sensitive patterns.
Textbook pp. 156–169
Speech leaves a physical signal that can be recorded and examined. This chapter introduces the acoustic patterns behind that signal and shows how Praat makes them visible for careful analysis.
Central question: What does a speech sound look like as a physical signal, and how can free software make it visible?
Watch Chapter 12 · Listen to Chapter 12
Five core topics
12.1 Sound Waves: Frequency, Amplitude and Duration — Describe pressure changes by frequency, amplitude and duration, distinguishing repeating sound from noise and physical measurements from what listeners perceive.
12.2 Fundamental Frequency, Harmonics and the Source-Filter Idea — Distinguish the source's fundamental frequency and harmonics from the vocal tract's formants, and explain how the tract shapes the sound spectrum.
12.3 Waveforms, Spectra and Spectrograms — Compare the information in waveforms, spectra and spectrograms, including the trade-off between fine timing detail and fine frequency detail.
12.4 Recording Speech and First Steps in Praat — Make a clear recording, inspect it in Praat, label intervals in a TextGrid and save both files while recognizing limits of recording settings.
12.5 Reading a Spectrogram of a Short Utterance — Identify silence, noise, voicing and formants before matching them to words, then check proposed boundaries and automatic labels by listening.
Textbook pp. 170–182
Speech sounds leave measurable patterns that help explain how they were produced. This chapter uses formants, timing, noise and prosodic measures to compare sounds while accounting for speakers and recording conditions.
Central question: How can the differences between speech sounds be measured, and what do the measurements show about articulation?
Watch Chapter 13 · Listen to Chapter 13
Five core topics
13.1 Formants and the Vowel Space — Relate F1 and F2 to vowel height, backness and rounding, and compare vowel spaces with suitable settings and attention to speaker differences.
13.2 The Acoustics of Stops: Bursts and Voice Onset Time — Locate a stop's release burst and first periodic cycle to measure voice onset time, including cases where voicing begins before release.
13.3 Fricatives, Affricates and Noise — Compare noise strength and frequency patterns in fricatives, and recognize the closure and release that precede an affricate's frication.
13.4 Nasals, Laterals and Approximants — Use nasal resonance, reduced energy and formant movements to distinguish nasals, laterals and approximants and relate their patterns to articulation.
13.5 Measuring Prosody: Pitch, Intensity and Duration — Measure F0, intensity and duration with consistent landmarks, check tracking errors and use appropriate scales and recording conditions when comparing speakers.
Textbook pp. 183–196
Hearing delivers an acoustic signal, but recognizing speech also depends on context and experience. This chapter follows sound through the ear and examines how listeners combine cues, adjust to speakers and learn unfamiliar contrasts.
Central question: How do listeners turn a continuous, variable acoustic signal into the speech sounds they recognize?
Watch Chapter 14 · Listen to Chapter 14
Five core topics
14.1 The Ear and the Auditory Pathway — Trace sound through the outer, middle and inner ear, explaining how the cochlea separates frequency information and hair cells generate nerve signals.
14.2 Loudness, Pitch and Quality as Perceptual Scales — Distinguish frequency, intensity and spectral measurements from perceived pitch, loudness and quality, and compare sounds using suitable perceptual scales.
14.3 Categorical Perception and Acoustic Cues — Read identification and discrimination patterns and examine how acoustic cues combine, without assuming that listeners lose all detail within a category.
14.4 Perception in Context: Variability, Normalization and Multimodal Cues — Explain how surrounding speech, speaking rate, noise and visible facial movements influence the interpretation of a variable speech signal.
14.5 Perceiving a Second Language — Examine how first-language categories shape second-language listening and how varied practice with feedback may help, testing transfer to unfamiliar words and voices.
Textbook pp. 197–210
Pronunciation varies systematically across regions, communities, languages and individual speakers. This chapter uses that variation to set informed learning goals, with attention to the listeners and situations in which English will be used.
Central question: How does pronunciation vary across speakers, regions and languages, and how should a learner of English use this knowledge?
Watch Chapter 15 · Listen to Chapter 15
Five core topics
15.1 Accents of English Around the World — Compare systematic features of English accents and use Kachru's circles as a historical model, recognizing variation within countries and limits of the model.
15.2 Social and Stylistic Variation in Speech — Examine how pronunciation relates to social groups and speaking styles, and interpret age patterns cautiously when investigating possible language change.
15.3 Comparing Sound Systems Across Languages — Combine inventories, typological features and detailed descriptions to compare consonants, vowels, syllables, stress and tone for clearly identified language varieties.
15.4 Learner Speech: Transfer, Intelligibility and Priorities — Distinguish actual understanding, perceived ease and accent difference, then use listener evidence and relevant contrasts to set priorities for an individual learner.
15.5 Using Phonetics: Pronunciation Learning, Teaching and Self-Analysis — Choose a specific target, combine listening and speaking practice with feedback, and use repeated recordings and checked Praat measurements to evaluate progress.
Foundations of Phonetics: For EFL University Students
Project Director: Prof. Munassir Alhamami · First Edition | Version 1
Alhamami, M. (2026). Foundations of phonetics: For EFL university students (First Edition, Version 1). Zenodo. https://doi.org/10.5281/zenodo.22902518
Except where otherwise stated, the original content is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). Material credited to other sources remains subject to the terms stated for that material.
Developed with assistance from ChatGPT, Claude, Gemini, and NotebookLM. The Project Director is responsible for the final editorial decisions and released version.
Chapter titles and topic headings retain the textbook’s wording. Chapter introductions and explanations on this page are simplified study support. Video lessons and podcasts are AI-generated study companions created with NotebookLM; consult the textbook for complete teaching, practice, and answers.
Read or download the free textbook on Zenodo
Creative Commons Attribution 4.0 International