IPA Diacritics Chart
Please select a diacritic from the left
📖 How to Use This Page and an Introduction to IPA Diacritics
Learn about the categories, writing positions, and pronunciation-modifying functions of IPA diacritics
This page is an interactive International Phonetic Alphabet diacritics chart (IPA Diacritics) that collects 30 commonly used diacritic symbols, including devoicing, voicing, aspiration, rounding, nasalization, tongue advancement and retraction, dental, apical, laminal, syllabic, retroflex, and various release marks. Click a symbol on the left, and the right side will display that diacritic's Chinese name, IPA name, IPA number, Unicode name, Hex value, and pronunciation example. Click ▶ to play the standard audio. Diacritics usually cannot be pronounced independently; they must be used together with basic phonetic symbols to record subtle pronunciation changes. This is crucial for IPA pronunciation and phonetic learning.
What Are IPA Diacritics?
IPA diacritics are a class of symbols in the International Phonetic Alphabet chart used to modify basic phonetic symbols. They do not independently represent a phoneme, but are added above, below, or to the right of vowel or consonant symbols to indicate subtle differences in pronunciation, such as devoicing, voicing, aspiration, nasalization, rounding, retroflexion, and tongue advancement or retraction. Diacritics allow the IPA to precisely record pronunciation changes in languages around the world without creating additional new symbols. Understanding the function of diacritics is a key step from "recognizing phonetic symbols" to "precisely recording pronunciation," and it is also an important part of IPA pronunciation and phonetic learning.
How Diacritics Are Classified
According to how they function, diacritics can be roughly divided into the following categories: first, phonation types, such as devoicing (◌̥), voicing (◌̬), aspiration (◌ʰ), breathy voice (◌̤), and creaky voice (◌̰); second, lip shape and tongue position, such as more rounded (◌̹), less rounded (◌̜), advanced (◌̟), retracted (◌̠), centralized (◌̈), raised (◌̝), and lowered (◌̞); third, resonance, such as nasalization (◌̃); fourth, place of articulation, such as dental (◌̪), apical (◌̺), laminal (◌̻), and linguolabial (◌̼); fifth, additional articulations, such as labialization (◌ʷ), palatalization (◌ʲ), velarization (◌ˠ), and pharyngealization (◌ˤ); sixth, syllable and release types, such as syllabic (◌̩), non-syllabic (◌̯), nasal release (◌ⁿ), lateral release (◌ˡ), and no audible release (◌̚).
The Relationship Between Diacritics and Basic Phonetic Symbols
Diacritics and basic phonetic symbols are complementary: basic phonetic symbols record the "typical pronunciation," while diacritics record "what changes have occurred to this sound." For example, the letter n corresponds to the IPA /n/. When the devoicing diacritic is added, it is written /n̥/, indicating that the vocal cords do not vibrate during the actual pronunciation of this /n/. Similarly, /t/ with the aspiration diacritic is written /tʰ/, used to describe the aspiration contrast in Standard Chinese and many languages. The same basic phonetic symbol can take multiple diacritics to form a more detailed transcription, but visual clarity and phonetic plausibility usually need to be maintained. For IPA pronunciation and phonetic learning, mastering diacritics can significantly improve the accuracy of pronunciation description.
The Use of Diacritics in Languages
In broad transcription for common languages such as English, Chinese, and French, diacritics are not often used; however, in descriptive phonetics, dialectology, linguistic fieldwork, and cross-language comparison, diacritics are almost indispensable tools. For example, recording the voiceless aspirated flow of Wu Chinese, recording French nasal vowels, recording retroflex vowels in North American English, and recording pharyngealized consonants in Arabic and Berber all require diacritics for precise annotation. Therefore, in IPA pronunciation and phonetic learning, studying diacritics helps learners understand "why the same phoneme can sound different" in real languages.
The Relationship Between Diacritics and English Phonetics
The DJ and KK phonetic systems commonly used in English teaching are broad transcriptions, usually retaining only necessary phonemic information and rarely using diacritics. In narrow transcription, however, diacritics appear extensively to describe details such as flaps, nasalized vowels, syllabic consonants, retroflex vowels, and glottal stops in English. This page displays the official IPA diacritics chart, which is not equivalent to any one English phonetic system. When learning, you can first use broad transcription to build an overall framework, then move into narrow transcription through diacritics to understand the diversity of actual English pronunciation. This is an essential path in advancing IPA pronunciation and phonetic learning.
How to Understand the Diacritics Chart
The diacritics chart on this page corresponds to the interactive IPA diacritics panel. The core area consists of a symbol list on the left and a detail card on the right: the left side displays 30 diacritics in a 4-column grid, with a short Chinese name below each symbol, such as "voiceless," "voiced," "aspirated," "nasal," and "palatal." After clicking, the right side displays the diacritic's full Chinese name, IPA name, IPA number, Unicode name, Hex value, and a directly playable pronunciation example such as /n̥/, /tʰ/, or /tʷ/.
When using it, you should compare the "symbol" with the "example": the symbol itself can only represent an action or state, and only when combined with a specific basic phonetic symbol can its actual pronunciation meaning be reflected. For example, the same nasalization diacritic added to a vowel produces a nasalized vowel, while added to a consonant it may indicate nasal release or a nasalized quality. By repeatedly comparing with the audio on the right, you can more quickly build an intuitive sense of diacritics and improve IPA pronunciation and phonetic learning efficiency.
How to Quickly Master Diacritics
It is recommended to proceed in three steps: "memorize by category, practice in pairs, and compare by stacking." First, group and memorize by categories such as voicing, aspiration, lip shape, tongue position, nasalization, and release, avoiding rote memorization of all symbols at once. Then practice easily confused diacritics in pairs, such as devoicing and voicing, advancement and retraction, and raising and lowering. Finally, try stacking multiple diacritics on one basic phonetic symbol, such as /tʰ/, /tʷ/, and /ã/, to experience the effect of precise transcription. Short, repeated daily practice with audio and imitation is more efficient than long concentrated memorization, and it effectively promotes IPA pronunciation and phonetic learning.
❓ Frequently Asked Questions
Common questions about IPA diacritics, Unicode encoding, and pronunciation practice
What are IPA diacritics?
IPA diacritics are symbols in the IPA used to modify basic phonetic symbols. They do not independently represent a phoneme, but are added above, below, or to the right of vowel or consonant symbols to describe subtle pronunciation changes, such as devoicing, voicing, aspiration, nasalization, rounding, tongue advancement or retraction, syllabicity, retroflexion, and release type. Diacritics allow the IPA to more precisely record pronunciation details of languages around the world. They are an important part of IPA pronunciation and phonetic learning.
Can diacritics be used alone?
Usually not. Diacritics only become meaningful when combined with basic phonetic symbols; appearing alone, they are merely modifying marks. For example, the devoicing diacritic ◌̥ must be added to a consonant to indicate "the devoiced version of that consonant," as in /n̥/. The "◌" shown in the left list on the page is a placeholder, indicating that a basic phonetic symbol needs to be placed there. When learning diacritics, you must also understand the basic phonetic symbol they modify. This is the foundation of IPA pronunciation and phonetic learning.
How are diacritics encoded in Unicode?
Most IPA diacritics belong to the Unicode "Combining Diacritical Marks" block, for example the devoicing diacritic is U+0325, the voicing diacritic is U+032C, and the nasalization diacritic is U+0303. Some diacritics are also encoded as "Modifier Letters," such as aspiration ʰ as U+02B0, labialization ʷ as U+02B7, palatalization ʲ as U+02B2, and retroflex ˞ as U+02DE. The detail card on the right displays each diacritic's Unicode name and Hex value, making input and lookup convenient. This is very helpful for digital applications in IPA pronunciation and phonetic learning.
Can multiple diacritics be stacked on one basic phonetic symbol?
Yes. The IPA allows multiple diacritics to be stacked on one basic phonetic symbol to record multiple pronunciation changes at the same time. For example, if a consonant is both voiced and aspirated, the voicing and aspiration symbols can be added at the same time; if a vowel is both nasalized and centralized, two diacritics can also be stacked. However, attention should be paid to symbol readability and phonetic plausibility, avoiding meaningless stacking. In actual transcription, the principle is to express the pronunciation clearly.
Why are some diacritics written above the symbol and some below?
This is determined jointly by official IPA regulations and typesetting conventions. Generally speaking, the writing position of a diacritic is related to the pronunciation feature it describes: diacritics describing vocal cord vibration, release, and syllabicity are often written below, such as devoicing ◌̥, voicing ◌̬, and syllabic ◌̩; diacritics describing resonance, lip shape, and nasalization are often written above, such as nasalization ◌̃, centralization ◌̈, and breathy voice ◌̤. When writing, the official standard position should be followed so that other researchers can correctly identify it. In IPA pronunciation and phonetic learning, the correct writing position is equally important.
Can diacritics modify vowels?
Yes. Although many diacritics are often used with consonants, quite a few can also modify vowels, such as nasalization (◌̃), devoicing (◌̥), centralization (◌̈), retroflexion (◌˞), more rounded (◌̹), and less rounded (◌̜). In phonetics, nasalized vowels, devoiced vowels, retroflex vowels, and centralized vowels are all very common descriptions. When using them, the corresponding diacritic should be chosen according to the vowel's actual pronunciation features. This is crucial in the practice of IPA pronunciation and phonetic learning.
Are diacritics common in English teaching?
In broad transcription used in English teaching, diacritics are not common, because textbooks generally mark only phonemic differences. However, when describing English dialects, spoken variants, or performing narrow transcription, diacritics appear extensively, such as the retroflex vowel /ɚ/, the flap /ɾ/, the syllabic consonant /n̩/, the glottal stop /ʔ/, and the nasalized vowel /æ̃/ in North American English. Understanding diacritics helps learners gain a deeper understanding of actual English pronunciation. It is of great benefit to IPA pronunciation and phonetic learning.
In what order should diacritics be learned?
It is recommended to proceed step by step by category: first learn diacritics related to phonation types, such as devoicing, voicing, and aspiration, because they are more common in Chinese and English; then learn resonance-related diacritics such as labialization, palatalization, velarization, and pharyngealization; next learn tongue position diacritics such as advancement, retraction, raising, and lowering; finally learn syllabicity, retroflexion, and various release diacritics. For each diacritic you learn, click the audio and practice by comparing with real language examples. This is far more effective than merely memorizing symbols and can significantly improve IPA pronunciation and phonetic learning.