Check it out—an in-browser oscilloscope visualizing a few different songs using WebGL. The scope uses XY-mode, where the sample values of each stereo channel are mapped to each of the axes, instead of the X-axis representing time.
Often we think of a tone as a “continuous” sound, but when you get down to it, a tone is any periodic oscillation of any kind: it could be a ruler slapping rapidly against an elementary-school desk (and as it slows down, you start hearing the separate slaps). … Continue Reading
The Guardian reports that a PhD student from St John’s College, Cambridge, stumbled upon a brief piece of music for two voices on a portrait of Saint Boniface dated to 900 CE. It may not have been noticed before due to the use of an obscure notation, Eastern Palaeofrankish, that predates the stave we use today.… Continue Reading