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CHAPTER 1: THE PHONETICS
Introduction: speaking and learning sounds
Speaking is something we normally do without thinking. It’s like walking: once we learn it, it becomes automatic. In our native language, we don’t pay attention to every sound or movement—we just speak naturally.
However, this changes when we learn a foreign language. We suddenly find new sounds that don’t exist in our own language, so we have to practice them consciously. This means training our mouth, tongue, and lips to move in new ways.
Every language uses only some of the possible human sounds , not all of them. That’s why languages sound different. For example, English has sounds like “th” (in think or bath ), which can be difficult for learners. At the same time, English speakers may struggle with sounds from other languages.
So, learning a new language also means learning new sound patterns.
What is phonetics?
The study of speech sounds is called phonetics , a branch of linguistics. It looks at sounds from different perspectives:
● Articulatory phonetics : studies how sounds are produced by the body (mouth, tongue, etc.) ● Acoustic phonetics : studies the physical properties of sounds (like sound waves) ● Auditory phonetics : studies how we hear and understand sounds
Together, these help us understand how speech works.
Spelling vs pronunciation
An important idea is that spelling and pronunciation are not the same , especially in English.
Sometimes:
● Letters are not pronounced (like k in knight or h in honest ) ● The same sound can be written in different ways ● The same spelling can have different pronunciations
This makes English pronunciation quite difficult if we only rely on spelling.
The IPA (International Phonetic Alphabet)
To solve this problem, linguists use a system called the IPA (International Phonetic Alphabet).
In this system:
● Each symbol represents one specific sound ● There is no confusion or ambiguity
This allows us to describe pronunciation clearly and compare different languages and accents.
Producing sounds: how speech works
When we speak, we are not just using words—we are actually using air. This is easy to notice when you are tired or out of breath: speaking becomes harder because you need air to produce sounds.
In theory, we could speak while breathing in or out, but in almost all languages (including English), we speak while breathing out. This is called the pulmonic egressive airstream , which simply means that air comes out of the lungs and passes through the mouth or nose to create sounds.
How sounds are created
Pushing air out is only the first step. What really matters is how the air is modified.
All sounds are created by vibrations in the air. When we speak, we create waves in the air, and these waves reach the listener’s ears. The listener then interprets them as different sounds.
For example, the difference between sounds like [b] and [p] depends on how the air vibrates.
A useful way to understand this is to think about a musical instrument , like an organ. Air passes through tubes, and the size and shape of the tubes change the sound. In the same way, our body works like a system of tubes that shape the air to create speech sounds.
The vocal tract
This “tube system” is called the vocal tract. It includes:
● the mouth (oral cavity) ● the nose (nasal cavity)
As air moves through these spaces, it is changed to produce different sounds.
Even though everyone’s vocal tract is slightly different, we can all produce the same basic sounds. Instead of measuring exact sizes, linguists describe sounds based on the parts of the body used.
Articulators
The parts involved in producing sounds are called articulators , and they are divided into two types:
● Stops (plosives) → air is completely blocked, then released (e.g., [p, b, t, d, k, g] ) ● Fricatives → air passes through a narrow space, creating friction (e.g., [f, s, z] ) ● Affricates → start like a stop, then continue like a fricative (e.g., [tʃ] as in chair ) ● Approximants → air flows smoothly, no friction (e.g., [l, r, w, j] ) ○ [l] is lateral (air goes on the sides) ○ others are central (air goes in the middle) ● Nasals → air goes through the nose (e.g., [m, n, ŋ] )
Voicing (VIBRATION)
Voicing tells us if the vocal cords vibrate.
● Voiced sounds → vocal cords vibrate ( [z], [b] ) ● Voiceless sounds → no vibration ( [s], [p] )
You can feel this by touching your throat while speaking.
Putting it all together
To describe a consonant, we combine all three features:
● [p] → voiceless + bilabial + stop ● [v] → voiced + labiodental + fricative ● [ŋ] → voiced + velar + nasal
How vowels are classified
When we study sounds, we usually start by dividing them into vowels and consonants. At first, we might think we can describe vowels in the same way as consonants—but this doesn’t really work.
Why consonant criteria don’t work for vowels
Let’s see why:
● Voicing → almost all vowels are voiced , so this doesn’t help us distinguish them. ● Manner of articulation → vowels don’t block the air; the air flows freely, so there is no real “manner” like in consonants. ● Place of articulation → there is no exact point of contact, so this is also not useful.
So, we need a different system to describe vowels.
The position of the tongue
The most important factor is the position of the tongue inside the mouth.
1. Vowel height (how open the mouth is)
If you compare sounds like beat, bet, bat , you can feel that:
● in beat → the tongue is high ● in bet → it is mid ● in bat → it is low
So vowels can be:
● high ● mid ● low
2. Front vs back position
Now compare beat and boot :
● in beat → the tongue is at the front ● in boot → the tongue is at the back
So vowels can also be:
● front ● central ● back
The vowel chart
Linguists use a vowel chart (like a map of the mouth):
● vertical axis → height (high to low) ● horizontal axis → front to back
Examples:
● /iː/ → high front vowel ● /e/ → mid front ● /æ/ → low front ● /ɑː/ → low back
In the center, there is /ə/ (schwa), the most neutral vowel.
Length and tension
Some vowels are long , others are short :
● /iː/ (in beat ) → long ● /ɪ/ (in bit ) → short
Long vowels are also called tense (more effort), short vowels are lax (more relaxed).
Lip rounding
Another important feature is the position of the lips :
● Rounded vowels → lips form a circle ( /uː/ as in boot ) ● Unrounded vowels → lips are spread ( /iː/ as in beat )
In English, this feature is not very important for distinguishing meaning, but in other languages (like German) it can be crucial.
An important concept in phonology is the phoneme.
At first, we might think that one sound = one physical sound. But this is not always true.
For example, consider the “r” sound in:
● rip, wrap, rope ● trip, trap, trope
We usually think it’s the same sound, and we write it as /r/.
But if we look more closely, we discover something interesting:
● In rip , the r is voiced (you feel vibration in your throat) ● In trip , the r is voiceless (no vibration)
So physically, they are different sounds.
Phoneme vs phones vs allophones
This leads to an important distinction:
● Phoneme (/ /) → an abstract sound in our mind ● Phone ([ ]) → the real, physical sound we produce ● Allophones → different versions of the same phoneme
So:
● /r/ → phoneme ● [r] (voiced) and [r̥] (voiceless) → phones ● these phones → allophones of /r/
Why are they the same phoneme?
We consider them the same phoneme for two main reasons:
1. They are similar
They differ only in one small detail (voicing).
2. Their distribution
They appear in different positions :
● voiced [r] → in normal positions (like rip ) ● voiceless [r̥] → after voiceless consonants (like trip )
The key point is: 👉 they never appear in the same position
This situation is called complementary distribution.
Complementary distribution
When two sounds:
● are similar , and ● appear in different contexts (never together)
we say they are allophones of the same phoneme.
This helps us simplify the system: instead of saying there are two different sounds, we say there is one phoneme with different realizations.
Phonological rules
We can also describe this with a rule:
● /r/ → becomes [r̥] (voiceless) after voiceless consonants ● /r/ → becomes [r] (voiced) in other cases
These rules are part of the grammar of a language.
A simple example (analogy)
The text compares this to water :
● Water can be liquid , ice , or steam ● They are physically different, but still the same substance (H ₂ O)
In the same way:
● [r] and [r̥] are different in pronunciation ● but they belong to the same phoneme /r/
How we find order in the sound system
In phonology, an important question is: 👉 How do we know if two sounds belong to different phonemes?
The key idea is that phonemes are not random. They are part of a system , and their main function is to distinguish meaning.
Changing one sound = changing meaning
Let’s take a word like wrap (/ræp/).
If we change just the first sound , we get different words, for example:
● rap ● lap ● map ● nap ● tap ● cap
Each word has a different meaning.
👉 This shows that sounds like /r/, /l/, /m/, /n/, /t/, /k/ are different phonemes , because they can change meaning.
Phonemes vs allophones
Now compare this with allophones (different versions of the same phoneme).
Another way to study sounds: distribution
In this part, we move from phonemes and minimal pairs to another important idea: 👉 how allophones behave , especially where they appear in words.
This is called their distribution.
Complementary distribution (review)
We already know one type:
👉 Complementary distribution
● one allophone appears in one context ● the other appears in a different context ● they never appear in the same position
A new case: free variation
Now we see a different situation with the sound /p/ in clap.
The final /p/ can be pronounced in two ways:
● [p] → with a release (you hear a small burst of air) ● [p̚] → without release (no burst, just silence)
👉 Important: Both pronunciations mean the same thing.
So:
● they are allophones of /p/ ● they do not change meaning
What is free variation?
Unlike before, these two sounds:
● can appear in the same position ● the speaker can choose either one
This is called free variation.
👉 In free variation:
● different allophones occur in the same context ● the meaning does not change
Why does the choice change?
The choice is usually not conscious. It can depend on:
● speaking style (formal vs informal) ● speed of speech ● social context
How linguists describe positions
To study distribution, linguists describe exact positions in a word.
They use symbols:
● # → word boundary ● _ → position of the sound
Examples:
● #_ → sound at the beginning of a word ● _# → sound at the end of a word
Describing context
They also describe the sounds around it:
● C = consonant ● V = vowel
Examples:
● V_V → between two vowels ● C _ → after a consonant
This helps describe exactly where a sound appears.
A third way to study sounds: word forms
In this part, we learn another method to understand phonemes and allophones.
👉 The idea is: If we change the form of a word , we also change its phonetic context , and this can show different allophones of the same phoneme.
Example with /p/:
clap
clapping
We already know that /p/ has two allophones:
● [p] → released ● [p̚] → unreleased
In the word clap :
● /p/ is at the end of the word ● so both [p] and [p̚] are possible
But in clapping :
● /p/ is now in the middle of the word ● only the released [p] is possible
👉 This shows that pronunciation depends on the position (context).
Why this method is useful
By changing the form of a word (for example, adding -ing ), we can:
● move a sound from the end to the middle ● see how its pronunciation changes ● clearly observe allophonic variation
In English , this does NOT happen.
For example:
● mat → [mæt] ● mad → [mæd]
👉 The difference between /t/ and /d/ is always clear.
This can be difficult for German learners of English.
The phoneme /l/ and its different sounds
In English, the phoneme /l/ does not always sound the same. 👉 It has different allophones , depending on where it appears in a word.
There are three main versions of /l/:
● [l] → normal, voiced (called clear l ) ● [l̥] → voiceless (no vibration) ● [ɫ] → velarised (called dark l )
Voiced vs voiceless /l/
The difference between [l] and [l̥] is voicing :
● [l] (voiced) → vocal cords vibrate ○ appears at the beginning of words ○ examples: lip, lay, lean ● [l̥] (voiceless) → no vibration ○ appears after voiceless consonants ○ example: clip
👉 So again, the pronunciation depends on the context.
Clear l vs dark l
The most interesting difference is between:
● clear l [l] ● dark l [ɫ]
They are different not only in sound, but also in articulation :
● Clear l [l] ○ tongue tip touches the alveolar ridge ○ back of the tongue is relaxed ● Dark l [ɫ] ○ tongue tip still touches the alveolar ridge ○ but the back of the tongue is raised toward the velum
👉 This makes the sound “darker”.
Where do they appear?
Their distribution is very regular:
● Dark l [ɫ] → at the end of words ○ examples: pill, tell, kneel ● Clear l [l] → ○ at the beginning of words ○ between vowels ○ examples: miller, silly
👉 Important: They never appear in the same position.
What does this mean?
Since:
● they are similar sounds ● they occur in different contexts
👉 They are in complementary distribution
So:
● they are allophones ● they belong to the same phoneme /l/
Changing word forms
We can clearly see this by changing the form of a word:
● kneel, crawl, tell → /l/ is at the end → dark [ɫ] ● kneeling, crawling, telling → /l/ is in the middle → clear [l]
👉 Changing the word changes the context , and the sound changes too.
The rule for /l/
We can summarize everything with a simple rule:
● /l/ → [l̥] after voiceless consonants ● /l/ → [ɫ] (dark l) at the end of words ● /l/ → [l] (clear l) in all other cases
Stop consonants in English (/p, t, k/)
In this part, we look at a group of consonants called voiceless stops : 👉 /p/, /t/, and /k/
These sounds are not always pronounced in the same way. Like /l/, they have different allophones , depending on context.
1. Released vs unreleased stops
At the end of words , stops like /p/, /t/, /k/ can be:
Where does aspiration happen?
In English:
● Aspirated stops [pʰ, tʰ, kʰ] → at the beginning of a word before a vowel ○ pin, team, kin ● Unaspirated stops → after /s/ ○ spin, steam, skin ● between vowels → also usually unaspirated or weak
👉 So aspiration depends on phonetic context (complementary distribution).
How speakers perceive aspiration
For native English speakers:
● aspirated stops feel like the “normal” voiceless sounds ● unaspirated ones can sometimes sound like voiced consonants
Example:
● spin without /s/ can sound like bin instead of pin
👉 This shows that aspiration strongly affects perception.
Cross-linguistic difference
In some languages, aspiration is not just a detail :
● In Mandarin Chinese , aspiration changes meaning ● In Hindi , both voicing and aspiration are contrastive
👉 So what is allophonic in English can be phonemic in other languages
3. Flapping in American English
In General American English, there is another process: flapping [ɾ].
A flap is a very quick tap of the tongue against the alveolar ridge.
It happens in words like:
● writer ● metal
Here, /t/ is not a normal [t], but a flap [ɾ].
Neutralisation (/t/ vs /d/)
Something very important happens:
● writer ● rider
They can sound almost the same because:
● /t/ → [ɾ] ● /d/ → [ɾ]
👉 So the difference between /t/ and /d/ disappears in this position.
This is called neutralisation.
Specifically: 👉 t/d-flapping
Why this matters
Normally:
● /t/ and /d/ are different phonemes (e.g. team vs deem )
What happens in word-final position?
When we look more carefully, we notice something surprising:
👉 In many English accents, especially Received Pronunciation (RP) :
● words like hear, care, cure, bar ● do NOT pronounce the final /r/
So it sounds like there is no /r/ at the end at all.
These accents are called:
● non-rhotic → no pronounced final /r/
In contrast:
● rhotic accents (like many American English varieties) do pronounce final /r/
The key idea: the /r/ is still there
Even if we don’t hear it in RP, the phoneme /r/ is still part of the mental system.
We can prove this by changing word forms:
● hear → hearing → the /r/ appears again ● care → caring → /r/ reappears ● pour → pouring → /r/ reappears
👉 This shows that /r/ is still present in the underlying structure , even if it is silent sometimes.
Zero allophone
This leads to an important concept:
👉 Zero allophone = a phoneme that is present in the system but has no sound in certain contexts
So in RP:
● /r/ at the end of words → not pronounced (zero realisation) ● but still part of the word’s structure
Important restriction
We cannot assume a zero allophone everywhere.
We need proof:
● there must be alternation (pronounced in one form, silent in another)
Example:
● hear → hearing ✔ (alternation exists → /r/ is real)
But:
● words like paw or oompah ✖ → no /r/ appears in any form → so there is no phoneme /r/ there at all
Rhotic vs non-rhotic English
