28/09/2026
Phones in Phonetics
A phone is any actual speech sound produced by a speaker, regardless of whether that sound changes the meaning of a word.
In phonetics, phones are represented using square brackets [ ] because we are describing the physical pronunciation of a sound.
1. Phone = an actual speech sound
When you pronounce a word, the sounds you physically produce are phones.
For example:
pin → [pʰɪn]
The [pʰ], [ɪ], and [n] are phones—the actual sounds produced when the word is spoken.
2. Phones are more detailed than phonemes
A phoneme is an abstract sound category, while a phone is a particular pronunciation of that sound.
For example, the phoneme /p/ can be pronounced with different phonetic details:
pin → [pʰɪn] — aspirated [pʰ]
spin → [spɪn] — unaspirated [p]
cap → [kæp̚] — the final [p] may be unreleased
These are different phones, but they can represent the same phoneme /p/ in English.
3. Allophones are phones belonging to one phoneme
An allophone is a particular phone that belongs to a phoneme.
For example, English /t/ can have several phonetic realisations:
top → [tʰɒp] — aspirated
stop → [stɒp] — unaspirated
button → [bʌʔn̩] — may contain a glottal stop [ʔ]
cat → [kæt̚] — may be unreleased
These different phones occur in different phonetic environments.
4. Phones can be vowels or consonants
Vowel phones:
[iː] as in see
[ɪ] as in sit
[æ] as in cat
[ʌ] as in cup
[ə] as in about
Consonant phones:
[p] as in pen
[b] as in bed
[θ] as in think
[ð] as in this
[ʃ] as in ship
[ŋ] as in sing
5. Phones include phonetic detail
A phone can show features that ordinary phonemic transcription does not normally show, such as:
aspiration: [pʰ]
nasalisation: [æ̃]
unreleased consonants: [t̚]
dentalisation: [t̪]
velarisation: [lˠ]
syllabic consonants: [n̩]
glottalisation: [ʔt]
So, a narrow transcription can show how a sound is actually produced.
6. Phone vs phoneme
Phoneme: an abstract sound unit that can distinguish meaning.
Phone: the actual physical speech sound produced.
For example:
/p/ → phoneme
[pʰ] → phone
The phoneme /p/ is part of the mental sound system of English, while [pʰ] describes a particular phonetic realisation of that sound.
Simple way to remember
Phoneme = the sound category
Phone = the actual sound
Think of it as:
/t/ → [tʰ], [t], [t̚], [ʔ]
Different phones can represent different realisations of the same phoneme, depending on the phonetic environment.
Phonics Tutor
