Quotes from contributors to People Who Do Noise an excellent documentary film by Adam Cornelius (2008):

Smegma - "Portland is like San Francisco in the 1960s"
Pulse Emitter - "It sounds like the apocalypse - but joyful"
Yellow Swans - "It's about deterioration"
Honed Bastion - Anyone can do it - that's partly the point"
Oscillating Innards - "Noise is more punk than punk"
GOD (bryan eubanks and leif sundstrom) - "This music cannot be commodified"
Kitty Midwife -"You hear everything differently"
Josh Hydeman -"Why would anyone play noise unless they had some social or emotional problem?"
Soup Purse - "You take out the music elements - this is Bladerunner music"
Sisprum Vish -"To be human means to be wrong"
Argumentix - "Pop music doesn't work any more"
Redglaer - "It's about textures and energetic states"
With Caro - "It looks fucked up and sounds fucked up"
Daniel Menche -"Music is like one's own blood - so amplify it! As loud as possible -make the speakers bleed"