You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There's a growing buzz around pink noise, brown noise, green noise — a rainbow of soothing ...

The lower octaves have more power, and the higher octaves have less power. Pink noise is generated to test loudspeakers in a room as well as to "tune" a room for best audio reproduction.

Sony has introduced a new vibrant shade for the WH-CH720N and WH-CH520 headphones in India. Both models will now come in a ...