Question

la diferencia entre stress y prominence en fonética​

Answer 1

Stress refers to perception. When a syllable is perceived as more prominent, that syllable is said to be stressed. There is a combination  of  factors  in  making  a  syllable  stressed:  greater  loudness, higher pitch and greater length contribute to this perception of stress.

Entonces, el stress de una sílaba le da prominence (que es el énfasis que le damos) a la misma