Siren of a large French Civil Security truck. Sound recording during the open day of the UIISCI in Nogent-le-Rotrou in France. UCS Category: VEHSirn. Duration: 02:05.
Two-tone siren. Doppler-Fizeau effect of a passage from left to right, made by computer. No engine noise, it's up to you to choose the noise of your vehicle according to your project. UCS Category: VEHSirn. Duration: 00:20.
Two-tone siren of the French Gendarmerie. Doppler-Fizeau effect of a passage from left to right, made by computer. No engine noise, it's up to you to choose the noise of your vehicle according to your project. UCS Category: VEHSirn. Duration: 00:40.
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 440 Hz. For more information on Morse: en.wikipedia.org/wiki/Morse_code. UCS Category: COMTelm. Duration: 00:03.
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.
This action can be VERY long depending on your connection and the size of the files!
To refine your search: - Choose one or two simple words, - preferably in French, or in English - avoid spellin mistaq and tyyping - Try synonyms - Do not agree verbs - Avoid adjectives (big cat , magnificent thunderstorm, powerful explosion, high-pitched scream, etc.) - Prefer the single name of the source object noise (motor of a scooter, bird in the garden, horn of a taxi, evening wind , hen who has pain in the right leg, etc.) - avoid onomatopoeia and slang - Choose the singular - Do not don't look for what the sound is not (Baby who doesn't cry, windless forest) - Don't write what you want to do with it ( bark for ringing, waves for falling asleep)
