Anne Tweed, Sound Shapes #12. 24 × 48 in. Collage, acrylic, oil on canvas. This painting represents, in visual form, the difficulties of extracting meaning from partially heard speech sounds. Using ...

Sometimes, there are too many choices in this world. My benchtop function generator can output a sine, square, or saw wave ...

You may click on any underlined ratio to hear a sound example. In each case, the fundamental frequency is 100 Hz, both carrier and modulator are sine waves, and the modulation index is swept from 0 to ...

d = A sin q = A sin w t = A sin (2 p ft) Geometric derivation of simple harmonic motion. A point p moves at constant speed on the circumference of a circle in counter-clockwise motion. Its projection ...