Wilhelm cry was made by the actor Sheb Wooley. Its first use dates from 1951 - the movie "The Adventures of Captain Wyatt". Since then, it has been popularized by Ben Burtt on the saga Star Wars and in several hundred movies, series, commercials and video games. More infos : en.wikipedia.org/wiki/Wilhelm_scream. UCS Category: VOXScrm. Duration: 00:01.
Some people think of it as a nullity or even a mockery, but this is not the case. People actually use it:
- to calibrate
- to delay
- to space out two songs in a continuous playlist
- to silence a device that is too noisy and requires the reading of a file, at startup for example.
- etc.. UCS Category: TEST. Duration: 01:00.
Beep that is commonly used for censorship. This sound was made on computer. It is a sine wave of frequency 1000 Hz. UCS Category: BEEP. Duration: 00:10.
Telephone beep of an answering machine. This is a sound wave of 825 Hz sinusoidal frequency. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:01.
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density (en.wikipedia.org/wiki/White_noise). A sound to use only wav, aiff or flac formats, because the other formats denature the interest of the sound. UCS Category: TEST. Duration: 05:00.