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Free Sound Effects - Download 3,500+ Royalty-Free Sounds

3 581 Free K Sound Effects - Most Popular

Winder #10

Small old mechanical alarm clock that is manually wound with a small key. A few rounds. UCS Category: CLOCKMech, MUSCKeyd. Length: 00:06.
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Group of Asian tourists

Sound of the voices of a small group of Asians talking, in the main square of the Basilica of Lourdes. Recorded in August 2018. UCS Category: AMBUrbn. Length: 00:47.
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Flash powder #1

Sound of a "Flashing powder" flash. In the middle of the 19th century, the average exposure time in photography was around 30 seconds. In 1887, Adolf Mieetke and Johannes Gaedicke invented "Flashing Powder". It is an explosive mixture made of magnesium, potassium chlorate and antimony. Once ignited, its combustion provides a bright light, noise but also a lot of smoke. The first flash was born and made it possible to shorten exposure times. Thanks to Gerry OULEVAY (GerryOulevay.ch), photographed by Chantal CODOUREY PIGUET. UCS Category: COMCam. Length: 00:02.
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2 helicopters, landing and takeoff #1

Two helicopters landing and taking off one after the other. Sound recording during the open day of the UIISCI in Nogent-le-Rotrou in France. UCS Category: AEROHeli. Length: 02:53.
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Boiler at the Geofón

Recording of a gas boiler with the "Geofón" contact microphone from the Lom brand. UCS Category: FIREGas, SCIMisc. Length: 01:50.
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Cycling - Peloton passage #1

Passage of all cyclists participating in the Tour d'Eure et Loir 2022. UCS Category: AMBSprt. Length: 00:50.
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Cockatiel parakeet #2

Discreet and shy song of a cockatiel, from the same family as parrots. In cage. UCS Category: BIRDTrop. Length: 00:02.
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Cockatiel parakeet #4

Discreet and shy song of a cockatiel, from the same family as parrots. In cage. UCS Category: BIRDTrop. Length: 00:05.
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Cockatiel parakeet #10

Discreet and shy song of a cockatiel, from the same family as parrots. In cage. UCS Category: BIRDTrop. Length: 00:08.
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Cockatiel parakeet #15

Song of a cockatiel, from the same family as parrots. In cage. UCS Category: BIRDTrop. Length: 00:01.
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Cockatiel parakeet #18

Song of a cockatiel, from the same family as parrots. In cage. UCS Category: BIRDTrop. Length: 00:01.
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8mm projector, #2

Projection of a film with a Magnon Duomatic DX87. UCS Category: COMAv. Length: 00:57.
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Vinyl Scratch #16

A little scratch on a vinyl record. UCS Category: COMPhono. Length: 00:01.
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Servomotor 1, 90° #1

Sound of a large servomotor rotating 90°. It is a Futaba S3003. UCS Category: MOTRSrvo, ROBTMvmt. Length: 00:01.
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Whip crack #3

A crack of the whip. UCS Category: WEAPWhip. Length: 00:02.
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Manifestation #4

Atmosphere on the sidelines of a demonstration. In French. UCS Category: AMBPrtst. Length: 00:53.
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Squeaking parquet #9

A creaking of an oak floor. UCS Category: WOODFric. Length: 00:02.
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Old doorbell #9

Mechanical ringing of an old telephone, but which could very well be that of a house entrance. UCS Category: COMTelph. Length: 00:04.
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Wind turbine, contact #1

Contact recording on the mast of a wind turbine at low speed. Transformer noise. UCS Category: MOTRTurb. Length: 01:36.
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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: 00:05.
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Key 4 in DTMF

The audible signal when the 4 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Key 5 in DTMF

The audible signal when the 5 key on a telephone is pressed, in "DTMF". DTMF stands for "Dual-Tone Multi-Frequency." It is a technology used for tone dialing. Each key on a telephone keypad emits a unique combination of two sound frequencies (one low and one high), allowing the telephone system to easily detect which key has been pressed. UCS Category: COMTelph. Length: 00:01.
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Heidelberg printing press #4

Sound of a Heidelberg printing press. Recorded at “La Platine,” a traditional print shop in Marseille (France) founded nearly 25 years ago by Odile Coulange and sadly closed in 2024.. Captured during the printing of the book Carnaval by illustrator Rémi, this sound file was generously donated to the Museum of Lost Sounds on BigSoundBank by Mireille B. Some footage of the machine. UCS Category: MACHInd. Length: 00:16.
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4 cars passing at 90 km/h

4 cars passing at a speed of approximately 90 km/h, from left to right. UCS Category: VEHCar. Length: 00:17.
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Car honking at 90 km/h #1

A car passing by, honking its horn while driving at 90 km/h. UCS Category: VEHCar. Length: 00:18.
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Drone #4

Sound of a small DJI quadrotor drone. UCS Category: AERORadio. Length: 00:12.
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Drone #6

Sound of a small DJI quadrotor drone. UCS Category: AERORadio. Length: 00:20.
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10.6 kHz feedback

Feedback loop of approximately 10,600 Hz. UCS Category: COMMic. Length: 00:02.
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2.6 kHz feedback

Feedback loop of approximately 2,600 Hz. UCS Category: COMMic. Length: 00:03.
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Theater of Magic pinball, gameplay sounds #1

Sounds of a “Theater of Magic” pinball machine (Bally, 1995), recorded close up with the glass on, no music: ball launch, flippers, bumpers, targets, ramps, glass knocks and internal mechanisms. Recorded at Fabien’s place — many thanks to him for the invitation and access to his machine. UCS Category: GAMEArcd. Length: 00:28.
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Electric oven

Electric oven with a small internal ventilation. UCS Category: MACHAppl. Length: 00:25.
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Licking #1

Licking sound, slightly synthesized. UCS Category: FOODEat. Length: 00:02.
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Small metal grinding #2

Small grinding metal. Learn how to create a metallic grinding sound effects: https://www.libertivi.com/lelabodubruiteur_107. UCS Category: METLFric. Length: 00:03.
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Aluminium foil #1

Someone slowly moving a large sheet of aluminum foil. UCS Category: FOODCook. Length: 00:16.
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Aluminum saucepan base 20cm

Sample: Kitchen percussion: the bottom of a 20 cm diameter aluminum saucepan struck with a wooden drumstick. The .wav sound is perfectly suited for use in a sampler. UCS Category: METLImpt. Length: 00:01.
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Aluminum frying pan edge 26cm

Sample of cookware: rim of a 26 cm aluminum frying pan, very heavy, deep, and very thick, struck with a wooden drumstick. The .wav file is ready for sampling. UCS Category: METLImpt. Length: 00:03.
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Nokia 6300 buzzer in one hand

Noise is a Nokia 6300 buzzer when it is in hand. UCS Category: COMCell. Length: 00:05.
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Heart of Sophie the Giraffe

Here is the sound from a Sophie la girafe plush by Vulli. This glow-in-the-dark plush reproduces the sound of a heartbeat as heard from inside the mother’s womb. It’s meant to remind the child of familiar prenatal sounds. The sound may seem unpleasant, but it’s fairly close to reality. Learn how to create a heartbeat sound effect: https://lasonotheque.org/dossiers/techniques-bruitage-f112.html#14. UCS Category: BEEPMed. Length: 00:03.
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Airsoft Shooting

3 shots of an airsoft gas pistol. A Sig Sauer P229. UCS Category: TOYMech. Length: 00:02.
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Cap cider #1

Sound of a cap cider jumps. UCS Category: FOODGware. Length: 00:01.
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