Masker 

Masker is a program that encrypts your files so that a password is needed to open them, and then it hides files and folders inside of carrier files, such as image files, video, program or sound files. The strong encryption up to 448-bit and password......

ChatterBlocker uses digital audio technology to mask the sound of speech and other distractions so you can focus on your work, not your coworkers. ChatterBlocker does not use noise cancellation. Instead, it masks unwanted conversations using a soothi......

 Masker