Usar "speech sound" en una oración

1. but Amanda’s speech sounded muffled and slurred, mostly incoherent

2. Transcribed here the speech sounds harmless enough, particularly as uttered in the sweet, high, casual pipe with which, at all interlocutors, but above all at his eternal governess, he threw off intonations as if he were tossing roses

3. " This little speech sounded to me the way his suit looked: often used and unnaturally shiny