/nj/ vs. /J/ [was Re: sounds I can't find!!!]

Trebor Jung wrote:
>
> /n_j/. Ditto for m~. Or maybe the former would be /J/? What's the
> difference?
AIUI, the former is an alveolar nasal with a palatal release (the tongue
sort of rolls back from alveolar to palatal position) while the latter
is simply a palatal nasal.