Distress signal "SOS" in international Morse (sound) alphabet. the Morse is formed of "dit" and "dah" (of points and features). 1 "dah" equals 3 "dit". The spaces between the letters are equivalent to 1 "dah", except for the SOS, which must be sent as if it were a single letter, that is to say not using an inter-letter interval. Ends with a space between the words equivalent to 7 "dit". Realized on a computer with a sine wave of 800 Hz. For more information on Morse: en.wikipedia.org/wiki/Morse_code. UCS Category: COMTelm. Duration: 00:03.
Beep of a truck goes back. This sound was made on computer. It is a sinusoidal wave of frequency 1255 Hz. Easy to loop. UCS Category: BEEPVeh. Duration: 00:19.
The passage of a spaceship. In reality, sound needs air to move: In the absence of air in space, no sound. Except at the cinema.. UCS Category: SCIShip. Duration: 00:10.
Cartoon footsteps, or fear. Sound of a wooden Agogô being struck. Percussion instrument of African origin from the idiophone family. UCS Category: MUSCPerc. Duration: 00:01.
Sound of a 40cm (16") cymbal, struck with a wooden drumstick. This is a Medium Thin Crash cymbal by Avedis Zildjian. UCS Category: MUSCPerc. Duration: 00:18.
