Color Noise White Noise
This is a nice, simple, and effective application.
The sound that people do not need is the real noise,which is defined in psychology.
You can choose white or pink noise to mask distracting sounds when you need to concentrate on work or want to sleep,
white noise is a good tool to comfort baby when they crying,
White noise and pink noise can also help sleep, enhance privacy, ease tinnitus, migraine headaches, configuration and other audio equipment ...
Of course, some people like white noise, some people like the other types of noise, and maybe some one can not stand a little noise,so,to meet their needs is the best
The applications with a timer function, you can set the application to automatically shut down.
Enjoy!