The Language Sounds That Could Exist, But Don’t

English spelling is a mess.
O-u-g-h becomes different sounds in enough, cough, plough, hiccough, although,
thought, and thoroughly. Part of the reason for that is that English
has so many loan words whose pronunciations got either maintained
or approximated. Some were written down in the way monks would
spell that sound whenever that word happened
to enter the language. Plus, French scribes from the Norman Invasion respelled English words to match
French spelling rules. Plus, English spelling became standardized with
the implementation of the printing press in the 16th century, which was the start of Early Modern English,
but before the Great Vowel Shift. Which was… well, a lot of our vowels shifted. Between the confusing spelling of English, and the fact other European languages use
different letters for different sounds, we needed something for linguists to us to explain the pronunciation of words without
having to talk face-to-face. So in the late 19th century, the International
Phonetics Association worked together to create the beginnings of the International
Phonetic Alphabet, or IPA. A century later, and after a few revisions, it’s now used around the world by linguists, but also phonologists, speech pathologists,
singers, and loads more people. The goal of the IPA is to have a symbol for
every sound in every spoken language in the world. Now, it does have very Eurocentric roots. The alphabet itself is based off
the Roman alphabet, with some Greek letters thrown in. So the closer your language is
to European ones, the more the transcriptions look like regular
Latin text. It was designed to be easy to type without
needing many custom letter plates for printing presses or typewriters, so it also has some rotated letters
and partial symbols. And the designers didn’t want to have to use
a lot of diacritics; they wanted one symbol per sound,
and one sound per symbol. And… yeah. They did it. They put every sound
that humans use in speech on a chart. When you make a sound,
you push air out of your lungs and then you cause some sort of constriction
in your mouth or throat to create that particular sound. Two things that are really important are where
in your mouth and throat that constriction is: that’s called the place of articulation, and how much constriction you’re making: that’s the manner of articulation. The chart is organised
based on those two factors. There’s also a chart for vowels, a chart of diacritics, and a chart of extensions, but we’re going to focus on the main consonant
chart for this video. Because there’s variation from
dialect to dialect, and language to language, and person to person, the little nuances of each of those sounds can be even further
“narrowly transcribed” using diacritics. But these are, with a few exceptions,
all the consonants that humans use. Looking at the chart, you can see some
familiar symbols. These are a great guide to help you
find your way around. We can start at the top with the plosives: those are the sounds that you make
by stopping air flow somewhere, and then releasing it suddenly, like
a mini explosion. If you say some of the letters you
recognise off the top row, as you move left to right, you can feel those letters moving backwards
in your mouth: p, t, k. At the end of that row is the glottal stop,
which is closing off the airflow in your throat. It happens in English when we say “uh-oh”. Depending on your accent, it also occurs in
“mountain”, “Hawai’i”, or “butter”. The nasal line, next down, is all the sounds
that you make through your nose, m, n, ng. Then you have trills, which we don’t have natively
in most dialects of English, and which I’m therefore not great at pronouncing,
other than a really over-the-top [rolled r]. Then we have taps and flaps, which are like
those long trills, but a tap is the one-time equivalent. Next are the fricatives, where two parts touch.
So, s and z, where the two parts are the tip of your tongue
and the alveolar ridge, which is the hard bit of the roof of your
mouth, just behind your top teeth. Informally, that is the “pizza ridge”, because it’s the bit you burn when you bite
into pizza that’s too hot. And then finally, there are the approximants, where two parts don’t quite meet. Lateral means that air is
going round the sides, like in l or the Welsh ll. But: not every space in the table has a symbol. Some of those empty spaces have white backgrounds, and some of them are
completely grayed out. The ones with white backgrounds are possible
for humans to make, but they’ve not been given a symbol,
because linguists have never found them actually being used as sounds in
any of the world’s languages. Sometimes they are found to exist by
some researcher somewhere, and if that happens then the International
Phonetics Association will add a symbol. The last time that happened was in 2005. But then there are shaded areas,
the shadow lands, the sounds that are theorized to be impossible
to produce. Imagine trying to produce a sound that’s in
the place of your mouth where you make a k or a g, but using the same method that
you use to go [rolled r]. You need some loose fold of tissue to make
that rapid trilling, and there’s just no flesh loose enough to
bounce around right at the back of the roof of your mouth,
at what’s called the velum. You could, I guess, in theory,
curve your tongue back there, but only by holding it too tense
to actually make a trill. So a velar trill is judged impossible.
By all means, try it. In the same way, if you try and cross the
place of your mouth and throat that you use to say “ha” or “uh-oh” with
the method you use to make the l sound, you’re going to run into problems. For “la” or “el” you let air escape from your
mouth around the sides of your tongue: lateral. But for “ha” you’re constricting the air down
in your throat at the vocal folds or glottis, and you can’t get your tongue down your throat
to create that centre blockage. I mean, your tongue has that flexibility
in your mouth, ‘l’, but you can’t close your airway like you’re
making a figure 8 out of a straw, and keep the air going round the sides. Unless you’re choking on food in exactly
the wrong way, and if you are, that’s not really speaking. A glottal lateral is judged impossible. All those shaded boxes have the same sorts
of limitations, where it’s not just that they would be difficult
to pronounce, they are impossible. Those gray boxes are forbidden
from human speech, not by choice of some High Council or the
International Phonetic Association, but just because of the
limitations of being human. Sometimes we do write things that we can’t
pronounce, like these: you can’t hold the letter p for that long, or this where all those letter Es
are silent! For more on how writing is
different to speaking, my co-author Gretchen McCulloch has a new book called
Because Internet, it’s available now,
and there are links in the description.

100 Replies to “The Language Sounds That Could Exist, But Don’t

  1. And that's it for this run of the Language Files! Thanks to co-authors Gretchen McCulloch and Molly Ruhl, and animator Stephen Houston-Moore. And to answer the question that'll get asked ten times in response to this, these videos and comments get scheduled weeks in advance so I don't have to worry about actually being online when they launch.

  2. when did eurocentric become something you needed to excuse? pictograms an hierogluphs are not really good for making unifying spellings…

  3. Someone who understands that table: where on it is the sound that Greeks/Russians make when they lift a consonant from the back of their throat? (Pardon my poor description) such as when they go “hyello” instead of “hello”?

  4. What I find annoying about English is that,English in itself is composed of words from many different languages,and yet people still made spelling rules that doesnt always apply..

    "i" before "e" except after c…
    Unless you're a Seismologist having a feisty feist.

  5. 4:50 If you listen to metal you've probably heard a lot of these "impossible sounds" even if only briefly. A glottal trill is basically the common "Death Growl" you'll hear in loads of metal… It uses the false chords to make the trill sound, and I think when all that movement is happening in the throat the velar trill is possible too – at least with the g sound

  6. Me, before knowing about the IPA: those languages with a ton of consonants must be so hard to get right

    Me, after learning IPA: vowels are the invention of Satan himself.

  7. English spelling is a mess. I remember when I was little, I got mad and argued with my English teacher about the pronunciation of "Knight", I refused to not pronounce the "K" because it bothered me so badly that someone couldn't just learn the letters and be able to sound out English words. Kinda invalidates the whole purpose of having a written language when you think of it.

  8. It took me maybe three seconds to make what seemed to be a velar trill. It was a trilled "k", but when I focussed on how I was making it, it seemed like a uvular trill pulled forward a long way.

    I have a tonne of experience with deliberately making uvular thrills more plosive tho, since I'm a weird obsessive cat person who uses an unvoiced uvular trill to purr back at cats.

  9. If some individual , due to injury or mutation, become able to pronounce one of the gray boxes, does IPA change it back to white? Or even assign a symbol? Or does it have to be spoken by an entire tribe?

  10. Check out Sanskrit alphabet. It's already segregated based on how it is said. Which again is basis for all the Indian languages' alphabet

  11. Velar trill is technically possible, if impractical. Just make a voiced velar fricative and adjust the frequency until it matches a resonant frequency of the gap between your velum and your tongue (or adjust the gap keeping the tone level). There, done. It's way, way easier to do an uvular trill though, and the end result is not that different to justify the effort.

  12. Since my last name ends "ough" I've heard of five of the pronounciations but I hadn't considered 'thought', 'hiccough, or 'thoroughly'. This means there are 8 ways to pronounce my name. DANG. One sound I knew of that wasn't on that "ough" list was 'through'. Either way, Tom made his point, English pronunciation is a mess.

  13. As a speaker of a latin language (which is fairly phonetically consistent), I (and I believe most of my fellow citizens) am very annoyed by the lack of consistency in English spelling, although I understand the reason behind it. As a languages teacher and student, I know many sounds and symbols from eastern languages that have been included into the international speeling system

  14. On the other hand, I'm sure there are sounds we can produce with our mouths that don't have a symbol (or that I don't know of), for example, what's the symbol for the sound you make when imitating a fart?

  15. Just a few days ago I managed to pronounce epiglottal/pharyngeal stop/flap, which are marked white, but have corresponding wikipedia pages.
    And I believe that's how unicorns actually pronounce /t/ in "mountain" in "Charlie the Unicorn".

  16. I've been curious to know what sounds we could be making and weren't (aka adding new letters to the alphabet) and this answered everything nicely.

  17. I learned the IPA in a theater class in college. I also had a friend who spoke Turkish (if I remember correctly), who’s native language resembles IPA writing.

  18. International Phonetic Alphabet:
    I was created to help linguists with all known languages and regional accents!

    The Geordie Accent: Me too?

    IFA: You're the exception.

  19. In the 23 years and a handful of days I've been alive I have never ever seen hiccough spelt like that. HOW ON EARTH does gh make a p sound?!

  20. i think it’s so interesting that we speak everyday, but don’t know exactly how /which muscles move to make each sound as we do it!

  21. I argue that a velar trill is used by the French. I am trying to learn French, so I cannot think of a word right now that I'd be referring to, but I know the sound and it's caused by keeping some spit at the top of the throat to give some words a, in my opinion, disgusting sound.

  22. I am able to put my tounge above my palate and can make some strange sounds… when I put my tounge there it's actually in my nasal cavity, I even can feel the "holes" that lead to my ears that are covered by two flaps of tissue

  23. The blank spaces are NOT inexistant, the bilabial flap, linguolabial stops, bilabial approximant and uvular tap do exist, they're simply written used other letters and diacritics, sometimes unofficial letters exist (like for the bilabial tap, which is sometimes indicated with a w with a hook, like linguolabial one is a v with a hook)

  24. Some circus-artists are able to bend their bodies in ways that seem un-human. With 6 billion of us on this planet, i'm sure there's someone already speaking those grey areas every day. We just havent listened closely enough yet.

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