Window

A window is an opening in a wall, door, roof or vehicle that allows the passage of light and, if not closed or sealed, air and sound.

Modern windows are usually glazed or covered in some other transparent or translucent material. Windows are held in place by frames. Many glazed windows may be opened, to allow ventilation, or closed, to exclude inclement weather. Windows often have a latch or similar mechanism to lock the window shut.

Types include the eyebrow window, fixed windows, single-hung and double-hung sash windows, horizontal sliding sash windows, casement windows, awning windows, hopper windows, tilt and slide windows (often door-sized), tilt and turn windows, transom windows, sidelight windows, jalousie or louvered windows, clerestory windows, skylights, roof windows, roof lanterns, bay windows, oriel windows, thermal, or Diocletian, windows, picture windows, emergency exit windows, stained glass windows, French windows, and double- and triple paned windows.

The Romans were the first known to use glass for windows, a technology likely first produced in Roman Egypt, in Alexandria ca. 100 AD. Paper windows were economical and widely used in ancient China, Korea and Japan. In England, glass became common in the windows of ordinary homes only in the early 17th century whereas windows made up of panes of flattened animal horn were used as early as the 14th century. Modern-style floor-to-ceiling windows became possible only after the industrial plate glass making processes were perfected.

From Genesis to Revelation

From Genesis to Revelation is the first studio album by the British band Genesis. It was released in March 1969 on Decca Records in England (London Records in North America). It was produced by Jonathan King, who discovered them in 1967 while the members of Genesis were pupils at Charterhouse School, King's alma mater. It was reissued in various regions, including the United Kingdom (home country), as In the Beginning (first in 1974) and then part of Decca's Rock Roots repackaging series in 1976 before reverting to original title in recent reissues.

Production

Genesis originally consisted of Peter Gabriel, Tony Banks, Mike Rutherford, and Anthony Phillips, without a drummer. Once one of their demo tapes caught the attention of Jonathan King, he took them under his wing, gave them the name Genesis and, with the addition of schoolmate Chris Stewart on drums, recorded "The Silent Sun" as their first single. It was later described by the band as a "Bee Gees pastiche" written specifically to win King's approval, as the Bee Gees were one of King's favourite groups. Its February 1968 release on Decca Records was not a commercial success. Neither was the follow-up "A Winter's Tale" three months later.

Window (album)

Window is an album by the indie rock band The Microphones. It was released in 2000 on Yoyo Records. Tracks 7 to 23 are pieces of vocals and short music clips that were incorporated in the previous Microphones album Don't Wake Me Up, as well as other musical works on which The Microphones' main member, Phil Elverum, was working at the time.

Track listing

References

Window function

In signal processing, a window function (also known as an apodization function or tapering function) is a mathematical function that is zero-valued outside of some chosen interval. For instance, a function that is constant inside the interval and zero elsewhere is called a rectangular window, which describes the shape of its graphical representation. When another function or waveform/data-sequence is multiplied by a window function, the product is also zero-valued outside the interval: all that is left is the part where they overlap, the "view through the window".

Applications of window functions include spectral analysis, filter design, and beamforming. In typical applications, the window functions used are non-negative smooth "bell-shaped" curves, though rectangle, triangle, and other functions can be used.

A more general definition of window functions does not require them to be identically zero outside an interval, as long as the product of the window multiplied by its argument is square integrable, and, more specifically, that the function goes sufficiently rapidly toward zero.