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What is pinyin? The romanisation behind every Chinese subtitle

Pinyin is how Mandarin is written with Latin letters. Every tone mark, every apostrophe and every ü in a Chinese subtitle comes from it.

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OUTPUT PREVIEW
nǐ chī fàn le ma?
你吃饭了吗?
Have you eaten?
SRTASSTimed
QUICK ANSWER

Pinyin is the official romanisation of Mandarin, adopted in 1958 and used worldwide for teaching and input. It spells syllables with Latin letters and marks the tone with a diacritic on the vowel — so mā, má, mǎ and mà are four different words, not four spellings of one.

WHAT YOU GET

A focused path from speech to subtitle file.

01

What pinyin is and what it is not

02

The four marks on the vowel, and why they cannot be dropped

03

The spelling conventions that confuse learners: ü, the apostrophe, and j/q/x

HOW IT WORKS

How to read a pinyin syllable

  1. 01

    Read the initial (the consonant) first — zh, ch, sh and x are the ones English lacks.

  2. 02

    Read the final — ü is a different vowel from u, not an accent.

  3. 03

    Read the tone mark on the vowel — it is part of the word.

What pinyin is not

Pinyin is not English. The letters look familiar and sound different: c is "ts", q is a hard "ch", x is close to "sh", and zh is the tongue curled back.

Pinyin is also not a translation. It tells you how a word sounds, never what it means. A subtitle with pinyin and no characters is a pronunciation guide, not a translation.

The marks that carry meaning

Drop the marks and four words collapse into one spelling. That is why a subtitle file exported without tone marks is technically incomplete — it is still readable, but it no longer tells you how to say the line.

MarkNameExampleMeaning
āfirst tone, high flatmā 妈mother
ásecond tone, risingmá 麻hemp; numb
ǎthird tone, dippingmǎ 马horse
àfourth tone, fallingmà 骂to scold
aneutral, no markma 吗question particle

Three spelling rules that look like errors

The umlaut disappears after j, q, x: 去 is written qu and pronounced qù with a ü sound, because those initials cannot take a real u.

An apostrophe marks a syllable break: Xi'an is xi + an, while xian is one syllable.

The neutral tone carries no mark at all, which is why some syllables look "unfinished".

USE YOUR OWN VIDEO

Start from a file, not an existing subtitle track.

Sign in first, then upload a local video, review the generated transcript, keep English optional, and download a subtitle file.

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QUESTIONS

Pinyin questions

Is pinyin used in China?

Yes — for input methods, for teaching children, for street signs and for typing. It is not a replacement for characters in normal writing.

Why do some subtitles have no tone marks?

Usually because the exporter stripped diacritics for compatibility with an older player or font. It is a formatting choice, and a lossy one.

Is pinyin the same as Yale or Wade-Giles?

No. They are older romanisations. Pinyin is the standard; Wade-Giles survives in a few names such as Taoism and in older book titles.