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OPTIONAL REFERENCE

How Mandarin consonants work

Where the sound begins, how the air moves, and what to try with your mouth.

Four things describe a consonant

Place: where the lips or tongue narrow the passage. Manner: closure, friction, nasal flow, or flow around the tongue sides. Voicing: vocal-fold vibration. Aspiration: the breathy interval after release.

The pairs b/p, d/t, g/k, j/q, zh/ch, z/c contrast mainly in aspiration. The first member has little extra breath; the second has a clearer puff. A release burst or hiss is not the same as aspiration.

Airflow and mouth placement
Stop
Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.
Affricate
Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.
Fricative
Continuous oral friction through a narrow gap; nasal route closed.
Nasal
Oral passage sealed; the lowered velum opens the nasal route. Voicing continues.
Lateral approximant
Voiced oral flow around the tongue sides; nasal route closed.
Rhotic approximant / fricative
Voiced oral flow through an incomplete constriction; friction varies. Nasal route closed.

Catherine Anderson — Classifying consonants · Catherine Anderson — Articulators · Catherine Anderson — Aspirated stops in English

Why q is not ch

q [t͡ɕʰ] is an aspirated alveolo-palatal affricate: a low tongue tip can coexist with a raised tongue front. ch [ʈ͡ʂʰ] belongs to the postalveolar/retroflex series. An exaggerated backward curl is unnecessary.

Qing is a syllable: q is its initial and ing is its final. The mouth moves through both. Pinyin letters and IPA symbols are different systems.

Hong Kong Polytechnic University — Initial groups · Lee (1999) — Beijing sibilants and approximant

Consonant reference

Start with listening and imitation. The details explain a broad teaching model; neighboring sounds and individual speakers affect the exact position.

b [p]

Both lips · stop · voiceless · unaspirated

Try it: Close both lips, then release with little extra breath.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

Compare bā with pā; do not require an English voiced b.

University of Washington — Mandarin consonants · Catherine Anderson — Articulators · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore b in the lab →

p [pʰ]

Both lips · stop · voiceless · aspirated

Try it: Close both lips, then release with a clear puff.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

Compare pā with bā at similar loudness.

University of Washington — Mandarin consonants · Catherine Anderson — Articulators · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore p in the lab →

m [m]

Both lips · nasal · voiced

Try it: Close the lips and keep a gentle hum going through the nose.

More detail & references

Airflow: Oral passage sealed; the lowered velum opens the nasal route. Voicing continues.

Unlike b/p, the lip seal can remain while sound continues.

University of Washington — Mandarin consonants · Catherine Anderson — Articulators · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore m in the lab →

f [f]

Lip and teeth · fricative · voiceless

Try it: Bring the lower lip lightly toward the upper teeth; sustain gentle friction.

More detail & references

Airflow: Continuous oral friction through a narrow gap; nasal route closed.

Do not close both lips as for b/p or deliberately add voicing as in English v.

Catherine Anderson — Classifying consonants · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore f in the lab →

d [t]

Teeth/ridge · stop · voiceless · unaspirated

Try it: Close with the tongue front at the upper teeth/ridge, then release with little extra breath.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

Compare dā with tā; the letter d does not require voicing.

Lee & Zee (2003) — Standard Chinese (Beijing) · Ohio State University — Mandarin IPA charts · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore d in the lab →

t [tʰ]

Teeth/ridge · stop · voiceless · aspirated

Try it: Close with the tongue front at the upper teeth/ridge, then release with a clear puff.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

Keep the placement close to d; change the release-to-vowel timing.

Lee & Zee (2003) — Standard Chinese (Beijing) · Ohio State University — Mandarin IPA charts · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore t in the lab →

n [n]

Teeth/ridge · nasal · voiced

Try it: Make a tongue-front seal near the upper teeth/ridge and sustain a nasal hum.

More detail & references

Airflow: Oral passage sealed; the lowered velum opens the nasal route. Voicing continues.

Compare nā with lā: n uses the nose, l uses the sides of the tongue.

Lee & Zee (2003) — Standard Chinese (Beijing) · Ohio State University — Mandarin IPA charts · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore n in the lab →

l [l]

Teeth/ridge · lateral approximant · voiced

Try it: Touch the tongue tip near the upper ridge; keep voicing as air passes along the sides.

More detail & references

Airflow: Voiced oral flow around the tongue sides; nasal route closed.

A side-view drawing cannot fully show the lateral passage.

Lee & Zee (2003) — Standard Chinese (Beijing) · Ohio State University — Mandarin IPA charts · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore l in the lab →

g [k]

Tongue back · stop · voiceless · unaspirated

Try it: Seal the passage with the tongue back at the soft palate; release with little extra breath.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

Compare gē with kē; do not turn it into an English voiced g.

Hong Kong Polytechnic University — Initial groups · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore g in the lab →

k [kʰ]

Tongue back · stop · voiceless · aspirated

Try it: Use a tongue-back seal, then release with a clear puff.

More detail & references

Airflow: Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel.

The seal is similar to g; aspiration distinguishes the pair.

Hong Kong Polytechnic University — Initial groups · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore k in the lab →

h [x]

Tongue back · fricative · voiceless

Try it: Bring the tongue back near the soft palate without sealing it; let gentle friction continue.

More detail & references

Airflow: Continuous oral friction through a narrow gap; nasal route closed.

The broad Mandarin model is velar [x], not simply English glottal [h]. Avoid a forced throat scrape.

Hong Kong Polytechnic University — Initial groups · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore h in the lab →

j [t͡ɕ]

Alveolo-palatal · affricate · voiceless · unaspirated

Try it: Keep the tip low, raise the tongue front, close briefly, then release into friction with little extra breath.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

Compare jī and qī. IPA [j] is a glide; it is not Pinyin j.

Hong Kong Polytechnic University — Initial groups · Lee (1999) — Beijing sibilants and approximant · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore j in the lab →

q [t͡ɕʰ]

Alveolo-palatal · affricate · voiceless · aspirated

Try it: Keep the tip low and the front raised; release the brief closure into friction and a clear puff.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

q in qīng is alveolo-palatal. The ing final adds its own movement; q is not retroflex ch.

Hong Kong Polytechnic University — Initial groups · Lee (1999) — Beijing sibilants and approximant · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore q in the lab →

x [ɕ]

Alveolo-palatal · fricative · voiceless

Try it: Keep the tip low and the tongue front raised; sustain friction through a narrow gap.

More detail & references

Airflow: Continuous oral friction through a narrow gap; nasal route closed.

Unlike j/q, start with friction rather than a complete closure. A forced smile is unnecessary.

Hong Kong Polytechnic University — Initial groups · Lee (1999) — Beijing sibilants and approximant · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore x in the lab →

zh [ʈ͡ʂ]

Postalveolar/retroflex series · affricate · voiceless · unaspirated

Try it: Raise the tip toward the area behind the upper ridge; close, then release into friction with little extra breath.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

A comfortable raised-tip model is enough; do not force an extreme curl.

Lee (1999) — Beijing sibilants and approximant · Chen, Whalen & Mok (2024) — Mandarin rhotics · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore zh in the lab →

ch [ʈ͡ʂʰ]

Postalveolar/retroflex series · affricate · voiceless · aspirated

Try it: Use a comfortable postalveolar closure, then release into friction with a clear puff.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

Compare zhī and chī. English ch is an approximation, not the same target.

Lee (1999) — Beijing sibilants and approximant · Chen, Whalen & Mok (2024) — Mandarin rhotics · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore ch in the lab →

sh [ʂ]

Postalveolar/retroflex series · fricative · voiceless

Try it: Raise the tongue front toward the postalveolar region and keep a narrow gap for steady friction.

More detail & references

Airflow: Continuous oral friction through a narrow gap; nasal route closed.

No initial complete closure as in zh/ch. Tongue profiles vary across speakers.

Lee (1999) — Beijing sibilants and approximant · Chen, Whalen & Mok (2024) — Mandarin rhotics · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore sh in the lab →

r [ɹ̠ ~ ɻ ~ ʐ]

Postalveolar rhotic · rhotic approximant / fricative · voiced

Try it: Keep the voice going. Bunch the tongue front with the tip low and leave an open oral passage. The lab shows one common r shape; other speakers use a raised tip.

More detail & references

Airflow: Voiced oral flow through an incomplete constriction; friction varies. Nasal route closed.

These symbols represent different descriptions. Do not require a trill, tongue contact, or a universal raised tip. The lab illustrates a bunched configuration, separately from the zh/ch/sh series.

Lee (1999) — Beijing sibilants and approximant · Chen, Whalen & Mok (2024) — Mandarin rhotics · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore r in the lab →

z [t͡s]

Denti-alveolar sibilants · affricate · voiceless · unaspirated

Try it: Make a brief tongue-front closure near the upper teeth/ridge, then release through a narrow channel.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

Compare zī and cī. Pinyin z is not English voiced [z].

Ohio State University — Mandarin IPA charts · Lee & Zee (2003) — Standard Chinese (Beijing) · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore z in the lab →

c [t͡sʰ]

Denti-alveolar sibilants · affricate · voiceless · aspirated

Try it: Make a brief front closure, then release into friction with a clear puff.

More detail & references

Airflow: Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration.

Keep it one affricate, not a separate t syllable followed by s.

Ohio State University — Mandarin IPA charts · Lee & Zee (2003) — Standard Chinese (Beijing) · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore c in the lab →

s [s]

Denti-alveolar sibilants · fricative · voiceless

Try it: Leave a narrow central channel near the upper teeth/ridge and sustain a hiss.

More detail & references

Airflow: Continuous oral friction through a narrow gap; nasal route closed.

Unlike z/c, no complete starting closure; a low-tip, blade-led posture is possible.

Ohio State University — Mandarin IPA charts · Lee & Zee (2003) — Standard Chinese (Beijing) · University of Washington — Mandarin consonants · Hong Kong Polytechnic University — Introduction to initials

Watch a demonstration

Explore s in the lab →

Research and teaching guide

Read the full explanation

Seven useful place groups

Names are not anatomical guarantees

“Retroflex” is a conventional label for zh/ch/sh and often r. Lee’s Beijing study describes apical postalveolar articulations rather than a necessary deep curl. “Flat tongue” is therefore not a universal test of correctness. Conversely, q belongs to the alveolo-palatal series.

Lee (1999) — Beijing sibilants and approximant · University of Washington — Mandarin consonants

For r, the 2024 ultrasound study found bunched initial realizations in its 18-speaker sample, with tip-up and bunched shapes in syllabic/final contexts. This limits any instruction that insists initial r must always have a raised tip; it does not make every tip-up model wrong.

Chen, Whalen & Mok (2024) — Mandarin rhotics

Airflow key

Stop
Oral closure → release; nasal route closed. The aspirated partner adds a longer breathy interval before the vowel. Catherine Anderson — Classifying consonants · Catherine Anderson — Aspirated stops in English
Affricate
Oral closure → friction → vowel; nasal route closed. Friction is not itself aspiration. Catherine Anderson — Classifying consonants · Hong Kong Polytechnic University — Introduction to initials
Fricative
Continuous oral friction through a narrow gap; nasal route closed. Catherine Anderson — Classifying consonants
Nasal
Oral passage sealed; the lowered velum opens the nasal route. Voicing continues. Catherine Anderson — Articulators
Lateral approximant
Voiced oral flow around the tongue sides; nasal route closed. Catherine Anderson — Classifying consonants
Rhotic approximant / fricative
Voiced oral flow through an incomplete constriction; friction varies. Nasal route closed. Chen, Whalen & Mok (2024) — Mandarin rhotics · Catherine Anderson — Articulators

Practice sequence: hear a short syllable, imitate it, compare the paired initial using the same final and tone, then try a familiar word. A hand or tissue can make aspiration easier to notice, but does not measure correctness. Keep the effort comfortable. Lip shape often anticipates the final, so a front-facing mouth view cannot prove the internal tongue position.

What about ng, y, w, and no initial?

ng [ŋ] is a voiced velar nasal: back-of-tongue closure with nasal airflow. It belongs in Mandarin finals, not this 21-initial set. n occurs initially and finally; m belongs to the initial set in the standard model.

Lee & Zee (2003) — Standard Chinese (Beijing)

[j], [w], [ɥ] are glide symbols: front unrounded, back rounded with labial–velar articulation, and front rounded with labial–palatal articulation. Pinyin y/w help spell vowel/glide onsets; they do not add two new stop/fricative categories. Pinyin j and IPA [j] must remain distinct.

Ohio State University — Mandarin IPA charts · Catherine Anderson — Classifying consonants

Zero initial ∅ means no consonant initial in the lab’s parsing model. Keep the existing final/glide explanation rather than assign a fictitious consonant closure.

Video library

Consonant demonstrations

Use these lessons for listening and imitation. Regional accents and teaching descriptions vary. The cards link directly to the relevant creator-listed chapters.

Sources and reference data

These sources support the teaching descriptions. Diagrams are schematic, not scans of an individual speaker.

Browse all 13 sources
  1. International Phonetic Association — IPA chart

    Classification vocabulary and symbols; not a Mandarin inventory.

  2. University of Washington — Mandarin consonants

    Pinyin/IPA mapping, place and manner, with linked audio. Its r symbol differs from the Ohio State chart.

  3. Ohio State University — Mandarin IPA charts

    Consonant charts and tongue-tip notes on PDF pages 1–2. Treat the chart’s laminal description as a model, not a universal posture; it explicitly allows more than one r realization.

  4. Lee & Zee (2003) — Standard Chinese (Beijing)

    Primary description; conventions on pp. 110–111 distinguish tip/blade articulations and syllable positions. A Beijing model with a particular recorded speaker.

  5. Lee (1999) — Beijing sibilants and approximant

    Primary palatographic and acoustic study. Supports postalveolar versus alveolo-palatal distinctions without requiring a deep underside-of-tongue curl.

  6. Chen, Whalen & Mok (2024) — Mandarin rhotics

    Ultrasound study of 18 Northern Chinese speakers. Initial r was bunched in this sample; syllabic and postvocalic rhotics also included tip-up shapes. This is evidence of variation, not a rule for every speaker.

  7. Hong Kong Polytechnic University — Introduction to initials

    The 21-initial teaching inventory and the distinction between aspiration and voicing. Uses an approximant analysis of r.

  8. Hong Kong Polytechnic University — Initial groups

    Practical group explanations and audio; useful low-tip j/q/x and velar h instructions. English analogies and fixed-tip r instructions need qualification.

  9. Catherine Anderson — Articulators

    Mouth structures, vocal folds, and oral/nasal routes. General mechanisms, not Mandarin-specific tongue targets.

  10. Catherine Anderson — Classifying consonants

    Place, manner, voicing, lateral flow, and affricates. English-centered examples; do not transfer English letter values or postalveolar labels directly to Mandarin.

  11. Catherine Anderson — Aspirated stops in English

    Release and aspiration are distinct; English s-plus-stop sequences offer a starting analogy for unaspirated stops, not an exact Mandarin model.

  12. Litao Chinese — Pinyin course syllabus

    Primary provider confirms lessons 02–06 cover all 21 initials, grouped by pronunciation family.

  13. ChineseFor.Us — b p m f lesson

    Supplementary practice. Its group-level lip description is simplified: f specifically uses lower lip and upper teeth.

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