75 Free Signal Sound Effects - Most Popular
67 Hz electrocardiogram
Beep emitted by an electrocardiogram when the heart rate is 67 BPM (67 beats per minute). Resting heart rate is typically 60 to 80 beats per minute. Learn how to create a heartbeat sound effect: https://lasonotheque.org/dossiers/techniques-bruitage-f112.html#14. UCS Category: BEEPMed. Length: 00:09.
Reverse beeping #4
Beep of a truck goes back. This sound was made on computer. It is a triangular wave of frequency 1130 Hz. Easy to loop. UCS Category: BEEPVeh. Length: 00:19.
Fire alarm: communities #2
Fire alarm that typically found in communities (high schools, colleges, centers, etc.). UCS Category: ALRMElec. Length: 00:01.
Gas fog horn #1
3 short shots of a gas fog horn like those used by supporters in stadiums, protesters, skippers.. UCS Category: HORNAir. Length: 00:04.
Car turn signals #5
Sound of car turn signals. Easy to loop endlessly. It is a Citroën C3. UCS Category: VEHCar. Length: 00:05.
Reverse, Le Cri du Lynx®
"Le Cri du Lynx®" is the new noise emitted by receding trucks, construction machinery, combine harvesters or other vehicles: https://www.cridulynx.fr/. This sound is easy to loop. UCS Category: BEEPVeh. Length: 00:11.
Reverse beeping #3
Beep of a truck goes back. This sound was made on computer. It is a sinusoidal wave of frequency 1130 Hz. Easy to loop. UCS Category: BEEPVeh. Length: 00:19.
Sonor signal: headlights
Beep when the headlights of a car are on and you open a door. UCS Category: VEHCar. Length: 00:06.
SOS in international Morse code #2
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: https://en.wikipedia.org/wiki/Morse_code. UCS Category: COMTelm. Length: 00:03.
Hiss of steam train #7
Whistle of a steam train. Recording in the town of Martel, France. UCS Category: TRNHorn. Length: 00:02.
Reverse beeping #6
Beep of a truck goes back. This sound was made on computer. It is a triangular wave of frequency 1220 Hz. Easy to loop. UCS Category: BEEPVeh. Length: 00:19.
Reverse beeping #2
Beep of a truck goes back. This sound was made on computer. It is a triangular wave of frequency 1250 Hz. UCS Category: BEEPVeh. Length: 00:17.
Reverse beeping #8
Beep of a truck goes back. This sound was made on computer. It is a triangular wave of frequency 1255 Hz. Easy to loop. UCS Category: BEEPVeh. Length: 00:19.
Reverse beeping #7
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. Length: 00:19.
Train whistle, foley #6
I blow into a locomotive-style train whistle. I added a bit of reverb to make it sound more realistic. My whistle: https://thmn.to/thoprod/511358?offid=1&affid=792. UCS Category: TRNHorn. Length: 00:04.
Important message, in Morse #2
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 sine wave of 615 Hz. For more information on Morse: https://en.wikipedia.org/wiki/Morse_code. UCS Category: COMTelm. Length: 00:23.
Reverse beeping #5
Beep of a truck goes back. This sound was made on computer. It is a sinusoidal wave of frequency 1220 Hz. Easy to loop. UCS Category: BEEPVeh. Length: 00:19.
Train whistle, foley #1
I blow into a locomotive-style train whistle. I added a bit of reverb to make it sound more realistic. My whistle: https://thmn.to/thoprod/511358?offid=1&affid=792. UCS Category: TRNHorn. Length: 00:04.
Train whistle, foley #4
I blow into a locomotive-style train whistle. I added a bit of reverb to make it sound more realistic. My whistle: https://thmn.to/thoprod/511358?offid=1&affid=792. UCS Category: TRNHorn. Length: 00:04.
Train whistle, foley #3
I blow into a locomotive-style train whistle. I added a bit of reverb to make it sound more realistic. My whistle: https://thmn.to/thoprod/511358?offid=1&affid=792. UCS Category: TRNHorn. Length: 00:04.
Car turn signals #4
Sound of car turn signals. It is a Citroën C3. UCS Category: VEHCar. Length: 00:04.
Train whistle, foley #5
I blow into a locomotive-style train whistle. I added a bit of reverb to make it sound more realistic. My whistle: https://thmn.to/thoprod/511358?offid=1&affid=792. UCS Category: TRNHorn. Length: 00:04.
Car turn signals #3
Sound of car turn signals. It is a Citroën C3. UCS Category: VEHCar. Length: 00:05.
Hiss of steam train #6
Whistle of a steam train. Recording in the town of Martel, France. UCS Category: TRNHorn. Length: 00:01.
Hiss of steam train #4
Whistle of a steam train. Recording in the town of Martel, France. UCS Category: TRNHorn. Length: 00:04.
Hiss of steam train #5
Whistle of a steam train. Recording in the town of Martel, France. UCS Category: TRNHorn. Length: 00:02.
Car turn signals #2
Sound of car turn signals. It is a Citroën C3. UCS Category: VEHCar. Length: 00:04.
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- Use simple keywords (1-2 words work best)
- Prefer English terms when possible
- Avoid typos and misspellings
- Try synonyms if you don't find results
- Use singular nouns (cat, not cats)
- Skip adjectives (cat not big cat)
- Avoid onomatopoeia and slang
- Don't describe what the sound is NOT
- Focus on the sound source (door, engine, bird)