Re: [lojban] Trilling/rolling R

[Ivo Doko <ivo.doko@gmail.com>]

On 18 August 2010 17:09, Luke Bergen <lukeabergen@gmail.com> wrote:
> hmm, I guess that's kind of like what I do.  I would describe it as pushing
> air through my mouth tapping the tip of my tongue against the middle-ish
> section of the roof of my mouth.

Yes, you're most probably doing it right.

Another significant difference between alveolar flap and 't' is that
if you want to produce the 't' sound by itself (for example if you
want to say /tə/ or ty (in Lojban)), you "prepare your mouth" for it
by making your tongue touch your upper teeth, then at the same time
you push the air and separate your tongue from your teeth to produce
the 't' sound.

If you want to do the same with the alveolar flap (you want to say
/ɾə/ or ry (in Lojban)), you "prepare your mouth" for it by lowering
your tongue, without it touching either your upper teeth or your
palate, then as you start pushing the air your tongue instantly curls
upward causing its top to separate from the bottom of your mouth and
eventually hit the palate of your mouth, continuing its motion as if
its collision with the palate caused it to bounce off of the palate
(that's why it's called a "flap" after all), lowering until your
tongue lies on the bottom of your mouth again but this time with its
top curled upward as if you were going to say the English 'r'.

This motion of the tip of your tongue is supposed to be almost
half-circular, because its motion starts from right behind your lower
teeth, it starts going up and back towards the middle-ish part of your
palate, which it then hits, "bounces off" and continues its motion
downward and backward for a little more.

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