In general case noise means unwanted signal of different nature. In computer graphics and image synthesis term “noise” is used to call a pseudo-random function which is generally used to generate procedural textures. Perlin noise is one of the most well-known noise functions. Noise is generally used to create procedural textures, such as marble, wood, cloud textures. This requires noise to be a...

This paper introduces a way to generate or modify a melody using the editable noise function. The band-limited random numbers generated by the noise function are converted to the various property values of notes such as pitch and duration. Using this technique, we can modify an existing melody to produce new, similar melodies. The noise values can be edited, if necessary, while preserving the s...

This article refers to ‘Decongestion discriminates risk for one-year mortality in patients with improving renal function acute heart failure’ by N. Wettersten et al., published this issue on pages 1122–1130. Researchers and clinicians continue attempts at decoding the meaning of changes creatinine during treatment decompensated failure (ADHF). Over past two decades, data have accumulated indica...