From: "Jan van Steenbergen" <ijzeren_jan@...>
Subject: Re: Conlang with whistles
> Have you considered ingressive whistling? It's very easy to do (as a
matter of
> fact, when I was a child is learnt to do that before I learnt to whistle
> normally). There is even a nice trill to it: when your tongue is
immediately
> under the opening of the mouth with a small amount of saliva on it.
The problem with ingressive whistling (at least as a phonemic constrast) is
that it sounds the same as exgressive? whistling. At least for me.