science

The Sounds of the World's Languages

The Sounds of the World's Languages is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand The Sounds of the World's Languages rather than just read about it. In short: The Sounds of the World's Languages, sometimes abbreviated SOWL, is a 1996 book by Peter Ladefoged and Ian Maddieson which documents a global survey of the sound patterns of natural languages. Drawing from the authors' own fieldwork and experiments as well as existing literature, it provides an articulatory and acoustic description of vowels and consonants from more than 300 languages.

Key takeaways

The Sounds of the World's Languages belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect The Sounds of the World's Languages to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of The Sounds of the World's Languages from memory before moving on to harder problems.

Reference excerpt

The Sounds of the World's Languages, sometimes abbreviated SOWL, is a 1996 book by Peter Ladefoged and Ian Maddieson which documents a global survey of the sound patterns of natural languages. Drawing from the authors' own fieldwork and experiments as well as existing literature, it provides an articulatory and acoustic description of vowels and consonants from more than 300 languages. It is a prominent reference work in the field of phonetics. Following discussions of the book's aim and underlying frameworks, the description of sounds is divided into chapters on stops, nasals and nasalized consonants, fricatives, laterals, rhotics, clicks, vowels, and multiple articulatory gestures, which are then followed by a discussion of the data's phonological implications.

References

Worked examples

Example 1 — a first encounter with The Sounds of the World's Languages

Start with the simplest possible case. Write down what The Sounds of the World's Languages claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to The Sounds of the World's Languages before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about The Sounds of the World's Languages ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of The Sounds of the World's Languages

In research: The Sounds of the World's Languages appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses The Sounds of the World's Languages in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: The Sounds of the World's Languages is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1996 non-fiction books, Linguistics book stubs, Phonetics books, so understanding it makes those chapters shorter.
In everyday life: Look for The Sounds of the World's Languages outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study The Sounds of the World's Languages in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what The Sounds of the World's Languages means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain The Sounds of the World's Languages out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is The Sounds of the World's Languages in simple terms?

Why does The Sounds of the World's Languages matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study The Sounds of the World's Languages?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on The Sounds of the World's Languages.