[quote=Derpestein]
I've never heard of this, nor experienced it.Me, my mother and my sister have moved abroad to move in, and we've been here for several years.Accents and voices sound completely the same as before.Does it depend if you live in a certain country long enough? Lets say you were in Boston, developed a certain accent, for 30+ years, would a voice still change when moving away from home for an extended period of time?Because I have NEVER seen what you've said in your post. But it's my own personal experience and everyone has different experiences so...
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It may be something more apparent here in the UK than in the US because the UK is notorious for having such a ridiculously huge selection of accents for really specific places. People can often tell exactly which of the nearby towns people come from just by hearing them speak. Perhaps people in the UK are slightly more in-tune with accents than in the US and so we're more fluid and/or more aware of accents' fluidity. I dunno if there are any other Brits kicking around this thread, but I'd be interested to see if it's just me/where I live, or a UK thing, or a universal thing Derpestein's just not noticed. xD

I'm vaguely reminded, as another example, of having done a French exchange to an area of France where the exclamation of pain like 'Ow' or 'Ouch' is pronounced 'Aye'. I was saying 'Aye' for pain for years - and still do sometimes.