> I hope someone will...mention a variety of noise canceling headphones that block out voices. I don't think that is even possible, since noise canceling is by

> I hope someone will...mention a variety of noise canceling headphones that block out voices. I don't think that is even possible, since noise canceling is by statistical analysis of ambient sound. What you want is a white noise generator. Rain sounds nice, but I've found the rumble of a large fan to be more effective at covering the most bothersome frequencies of noise.