The message "This is an important message" 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". Ends with a space between the words equivalent to 7 "dit". Realized on a computer with a triangular wave of 1 010 Hz. For more information on Morse: en.wikipedia.org/wiki/Morse_code. UCS Category: COMTelm. Duration: 00:23.
Old rotary telephone. Pick up, then dial my own cell phone number. It is possible to compare the duration to find my number. Text me if you find out. Don't forget to add the France code if applicable. UCS Category: COMTelph. Duration: 00:24.
Flash Fex with electric bulb. We hear the sound of the shutter and the slight crack of the bulb as well as photos. UCS Category: COMCam. Duration: 00:02.
End of a 35mm film rewind: Rewind and end (Sound: Left side of the dispenser (full spool)). Can synchronize its 0076. UCS Category: COMAv. Duration: 01:03.
Sound of a cassette player. Opening the door, noise cassette, closing the door, opening the door, noise cassette trapdoor. twice. UCS Category: COMAv. Duration: 00:37.