XPost: sci.electronics.design, alt.audio.equipment   
   From: trevor@home.net   
      
   "Bill Graham"  wrote in message   
   news:3MydnbDuFrOqj9XTnZ2dnUVZ5tCdnZ2d@giganews.com...   
   > Another problem with ear buds is they don't breathe, so they get hot....   
   > They block out air circulation that allows the heat to disperse. this is   
   > why I prefer the small, non noise blocking earphones. But as has ben   
   > pointed out above, these don't block out noise. So, you need to find   
   > something that blocks out noise, but allows air to circulate inside the   
   > ear, and I don't know anything that can do both of these two things that's   
   > small enough to wear.   
      
   Many hearing aids don't allow the ear to breathe (BTE with ear moulds in   
   particular), and yet people manage to wear them all day. While it may not be   
   ideal, especially on hot days, I don't know of any medical risk, or surely   
   they would not be sold by the million? Presumably it's a case of getting   
   used to it.   
      
   Trevor.   
      
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