Re: [tied] Stress.

> I'd call it contrastive rather than phonemic in the technical sense: the
>same phoneme may be found in stressed and unstressed positions. Stress is
>not a "feature" like [front], [lateral] or [nasal], but a matter of
>alternating rhythmic strength,

What exactly is this 'rhythmic strength' physically ? Pitch accents has
to do with frequency of the sound wave in question (I presume) ?

Harald