Alarm Sounds

The necessity for alarm sounds to inform or warn members of a society is not a recent invention. Even in the Stone Age, drums and animal horns were used to spread messages far and wide. After the discovery of various metals, people began to manufacture signal horns for military use. Instruments like trumpets and trombones are derived from these early horns. As we can see, systems and sirens to create alarm sounds have been part of our society since the dawn of mankind.
The use of bells to create alarm sounds goes back all the way to the Egyptians and the time of the Pharaos. These so-called plate bells were hung from shelves so that their distinctive sound could be heard from far away. This technique is still being used today, except that plate bells and forged bells have been replaced with cast bells. For many centuries, storm bells or alarm bells were used as an alarm sounds to warn village and city dwellers from fires and attacking barbarians.
After the Industrialisation, the ambient noise of a mechanised society necessitated a new kind of alarm system. The first sirens were steam-powered pipes used on steamships, which could create loud enough alarm sounds because traditional bells were no longer loud enough to overpower the noise of the engines.

WWII Air Raid Alarm Sounds

Thanks to electricity and the invention of the motorised siren, this type of siren was widely adopted before and during the Second World War. The undulating, howling sound of the siren was a highly characteristic alarm sound, which made it an efficient warning signal ahead of air raids. It also became synonymous with the terror of falling bombs -- death dealt from the skies. An entire generation was scarred forever by the sound of the motorised siren.

Nuclear Alarm Sounds

During the Cold War, sirens were no longer used to warn of air raids. Instead, they became alarm systems for possible nuclear attacks. In Germany, the term 'alert' replaced the previous 'air raid warning'. A shortened, one-minute siren alarm sounds was devised to alert citizens of a possible attack.
In post-WWII England, alarm sounds were assigned a new meaning: alerting people to the threat of a nuclear attack. They were also used to warn people of floods and freak weather, as well as escaped prisoners or highly dangerous mental-health patients.

Alarm Sounds and Sound Effects

Alarm Sounds and sound effects at Avosound - Alarm sound are available in a multitude of variations: alarm sounds, siren alarm sounds, fire alarm sounds, fire drill, emergency alarm sounds, siren wail and howling alarm sounds, emergency alarm from fire service and police sirens.
In the Second World War, loud and widespread siren wails were generated as alarm sounds with pneumatic, electrical or manually operated mechanical alarm sound systems to warn against air raid. These mechanical alarm sirens are still widely used today for civil protection in many countries. There were different sirens. Air raid alarm sounds are characterized by howling sirens coming in and out. Water alarm due to short, loud alarm blasts. Civil defense alarm sounds are available for earthquakes and disaster alarms, which one hopefully never has to hear. Also a rather unpleasant case of alarm is the ABC alarm. The alarm sound of the ABC alarm is like the air raid alarm a rising and declining wailing siren which is repeated.

Siren Wails and Alarm Bells

Alarm sounds can be triggered by an alarm bell, a mechanical alarm siren or via an electric siren. Alarm systems of cars or alarm systems in case of burglaries usually use electric sirens with electric beeps or hooters to create loud alarm signals. Other alarm sound systems are produced by the company Klaxon, which have been used for many years in industrial plants. The well-known Klaxon alarm sound is also a typical sound on submarines, ship sirens or aircraft carriers. Also a user of Klaxon Alarm sirens is the empire. A long long time ago, the empire used the Klaxon horn and sirens as alarm sounds on the death star.

Further variants of acoustic alarms and signal tones can be found in emergency. Fire alarm sounds, fire alarm sirens, police sirens or sirens from ambulance are differed from country to country. American sirens from police cars are swelling and decaying sirens, while in Europe the two-tone siren is used.

You can find a multitude of alarm sounds and siren blasts at the Avosound online library to preview and download: alarm sirens, siren sounds, alarm bells and wailing air raid siren sounds.

Mechanical Alarm Sounds

Mechanical alarm sirens create howling alarm sounds by rotating a shovel-studded drum within a container that sports openings. The higher the number of the rotor's revolutions, the higher the pitch of the howling. The result are undulating siren alarm sounds. The siren can be operated electrically or manually. These mechanical alarm sirens are widely used all over the world. In the United States, very big and loud mechanical alarm sirens equipped with V8 cylinder motors were used during the Cold War.
In Germany, the mechanical siren is called unit siren E57 (although East Germany and countries of the former Soviet Union used their own type of similar construction during the time of the German Democratic Republic). This alarm siren creates a howling alarm sound that can allegedly be heard across very long distances (it reaches a sound level of 105 dB). In rural areas, the sound of the siren is said to reach 70dB even at a distance of 700m. In cities and industrial areas, these levels can obviously not be reached. One can imagine that the American alarm siren outfitted with a V8 motor was probably quite a bit louder than that.

Pneumatic Alarm Sounds

Pneumatic alarm sirens can create enormous sound pressure and spread it across big distances thanks to the horns mounted on the top of the siren. The construction of pneumatic alarm sirens is different from mechanical sirens. While the mechanical siren creates the airstream with the help of centrifugal forces, the pneumatic alarm siren uses a compressed air canister to pump the airstream into the siren head.
The air-powered alarm siren (pneumatic siren) is easily identified by the horns mounted to the siren's head. Similar to a mechanical siren, the air-powered alarm sirens create their signal by interrupting the air-stream cycle with the help of a perforated disc. The spinning disc inside the siren's head is called a rotor; it is electrically powered. The air-stream is directed through the holes in the rotor and external vents. The spinning motion of the rotor either opens or closes the holes, which creates the sound of the siren that is then directed to several horns. The air-stream that is needed for the operation of the siren is created by an Aerosol canister underneath the siren.

Klaxon Alarm Sounds

Klaxon alarm sirens were often used in the harsh environments of submarines, ships and industrial buildings. It comes as no surprise then that the unique siren sound of the Klaxon can be heard in many movies. A submarine movie without a Klaxon diving alarm sound is not a real submarine movie!
The Klaxon horn made another famous appearance in George Lucas' Star Wars films. Just one example: Ben Burtt, the sound designer and creator of the Star Wars sounds, used a Klaxon horn sound for scenes set inside the Death Star.

Library Waveform Filename add Description info Channels Duration ShortID Category Subcategory
1 SoundStorm Library SoundDesign-Siren-Yelper-_5.wav Sound Design - Siren - Yelper - C U - Multiple, Very Low Pitch, Lots Of Reverb, Processed
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Siren Emergency

2 SoundStorm Library Alarms-ElectronicAlarm-In_6.wav Alarm - Electronic Alarm - Int - CU High-Pitched Zapping Pulses - Fast
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3 Sounddogs Sound Library Horn,Toot,Honk,High.wav Alarm, Horn: Horn Toot Honk High
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4 BBC Sound Effects Library PathologicalLab.BBC.ECD28.wav Emergency, Hospital: Hospital Pathology Laboratory Atmosphere, Some Indistinct Speech.
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5 BBC Sound Effects Library BoatsSirens.BBC.EC61Rc.wav Siren, Boat: Alarm Siren, Tug"s Siren.
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6 BBC Sound Effects Library Alarms.BBC.EC203Jb.wav Power Station, Smoke Density Alarm. (Conventional Power Station.)
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7 SoundStorm Library Sirens-LondonU.K.AmbulanceB.wav Sirens - London U.K. Ambulance By - C U - British Ambulance Siren By, Some Overmodulation During Peak, Recordist Was Not Able To Capture Entire By, Cut Off @ Beginning, Os City And Traffic Noise
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8 SoundStorm Library Sirens-PoliceCar-HighLow-_3.wav Sirens - Police Car - High Low - Start O S, By And Away - Siren Starts O S, Sits Still For A Quick Moment Then By Mic And A Long Away, A Very Distant Wail And Stop
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9 Coll Anderson Sound Library EFX INT Dig. Alarm Clock 03.wav Alarm: House, Interior, Digital Alarm Clock Beep Beep Beep Tone, Very Close And More Distant
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10 BBC Sound Effects Library AmbulanceAustin.BBC.EC47Gk.wav Emergency, Ambulance: Ambulance, Exterior, Passing. (With Horn.) (Austin Automatic Ambulance.)
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11 SoundStorm Library Sirens-Police-Wail-Ext-Sh_3.wav Sirens - Police - Wail - Ext - Short Burst - Medium Close Up - Double, Echo
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12 SoundStorm Library Tones-HouseholdDoorbell-CU-.wav Tones - Household Doorbell - C U - Doorbell Ringing At Various Lengths, Could Be Used As Alarm When Button Is Held Down
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13 SoundStorm Library Alarms-Klaxon-CU-WarningSig.wav Klaxon Alarm, Klaxon Siren, C U - Warning Signal
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14 Sonopedia AlarmSilent_S08ER.5.wav Emergency, Alarm, Silent, Burglar, Security, System, Beeps, High, Pitch, Loop
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15 SoundStorm Library Sirens-Ambulance-HighLow-_6.wav Sirens - Ambulance - High Low - In And Stop - Very Distant Siren, Medium Approach, C U In, Then Siren Stops, Ambulance Comes To Stop, Gear Placed In Park, Nice Idle And Then Off
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16 BBC Sound Effects Library HospitalWomens.BBC.ECD28.wav Emergency, Hospital: Womens" Ward Atmosphere.
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17 Rob Nokes Sound Library Air Horn,Sports,Number 1,Blows,Interior Pool,Close Pov,Medium Pitch.wav Air Horn Sports Number 1 Blows Interior Pool Close Pov Medium Pitch Neumann 191i Above Water Mostly Close POV"s
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18 SoundStorm Library Sirens-ShortSirenAmongstBus.wav Sirens - Short Siren Amongst Busy City Traffic - Ext - Momentary O S Police Siren @ Head, Light Airy Reverb, Medium Distant Traffic Above, O S Tram By @ 0 56, No Pedestrian Movement Or Walla
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19 Sounddogs Sound Library Beeps,Singles,Heart Monitor.wav Beep: Beeps Singles Heart Monitor
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20 SoundStorm Library Sirens-PoliceCar-Wail-Slo_6.wav Sirens - Police Car - Wail - Slow In And Stop - Very Distant Siren Start, Slow Approach, In, Then Siren Stops, Car Continues Foward, Stops And Idles For A Brief Second
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21 BBC Sound Effects Library Bleeps.BBC.EC2R1a.wav Alarm, Bleeps: Cash Register, Electronic NCR: Bleeps Without Printer.
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22 BBC Sound Effects Library FactoriesSirens.BBC.EC3W2a.wav Emergency, Factory: Emergency, Factory: Sirens And Bells: Factory Hooter
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23 SoundStorm Library Sirens-Police-WailYelper_32.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - 2 Buzzing Sirens, Reverberant, Light Snow Fall, Distant Traffic
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24 SoundStorm Library Sirens-Ambulance-Wail-Int_5.wav Sirens - Ambulance - Wail - Intersection By - Long In, To C U By, And Long Away, Siren Has Some Yelping Right Before By
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25 BBC Sound Effects Library AirRaidSirens.BBC.ECD101h.wav Alarm Sounds, Air Raid Siren Sound Effects, Air Raid Siren Sounds - Air Raid Siren - Civil Defense Siren, Warfare, World War II: All Clear (France) - 1968 (162A)
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26 Sounddogs Sound Library Beep,Sci-Fi,Trill,High,Faintly.wav Beep: Beep Sci-Fi Trill High Faintly
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27 SoundStorm Library Sirens-Motorcycle-Wail-InS.wav Sirens - Motorcycle - Wail - In And Stop - Very Distant Siren Start, Medium Approach, In, Then Siren Stops, Motorcycle Engine Continues Very Briefly
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28 SoundStorm Library Sirens-WailYelper-Distan_1.wav Sirens - Wail And Yelper - Distant Siren W Wails And Yelps
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29 SoundStorm Library Alarms-CarAlarm-Ext-OS-Chir.wav Alarm - Car Alarm - Ext - O S - Chirps
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30 Sounddogs Sound Library Horn,Doppler,By,GrandAm,Lon.wav Alarm, Horn: Horn Doppler By GrandAm Long
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31 SoundStorm Library Sirens-PoliceSiren-Wail-S_1.wav Sirens - Police Siren - Wail - Stationary - Ext - O S - Long, Medium High Pitch, Without Engine, Mic'd Off Axis
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32 BBC Sound Effects Library Harbours.BBC.EC61Qc.wav Emergency, Harbour: Emergency, Harbour: Two Ships" Sirens Sounding Long Blasts. (Recorded At Pool Of London.)
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33 BBC Sound Effects Library AlarmsElectronic.BBC.EC16_1.wav Alarm, Electronic: Fawley Oil Refinery, Outdoor Alarm Signal
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34 BBC Sound Effects Library FireEngine.BBC.EC2F4f.wav Emergency, Fire Service: Fire Engine: Exterior, Approach And Stop With Bell
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35 SoundStorm Library Sirens-EuropeanHighLowSir_2.wav Sirens - European High Low Siren - Medium Close Up To Distant - Start, Stop, Start Again, Away, In And Stop, Nice Acoustics As It Goes Around Corners
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36 SoundStorm Library Sirens-Police-WailYelper_61.wav Sirens - Police - Wail Yelper Horn Variety Pack - Parked - Medium - Light Traffic Bys, Wet Streets
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37 Casablanca Sound Library Alarm,Car,Dist,Mistake,Wind.wav Alarm: Alarm Car Distant Mistake Wind
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38 Sounddogs Sound Library Beeps,Sci-Fi,Pattern,High,Long.wav Beep: Beeps Sci-Fi Pattern High Long
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39 BBC Sound Effects Library Ambulances.BBC.ECD45q.wav Emergency, Ambulance: Ambulance Rear Doors Opened And Stretcher Unloaded, Hospital Loading Area Acoustic.
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40 SoundStorm Library Sirens-OldFashionedSiren_12.wav Sirens - Old Fashioned Siren - Wail - O S Start, Medium Close Up By To O S Stop - Medium Speed
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41 SoundStorm Library Tones-AlarmClockBell-CU-Cla.wav Tones - Alarm Clock Bell - C U - Classic Wind-Up Alarm Clock Bell, Four Rings, Or Doorbell, Short High Pitched Vibrating Metallic Ring
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42 SoundStorm Library Alarms-ElectronicCarAlarm_2.wav Alarm - Electronic Car Alarm - Ext - Medium Distant - Wailing Siren W Ascending Tones
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43 Sounddogs Sound Library Siren,Ambulance,High,Low,Old.wav Alarm: Siren Ambulance High Low Old
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44 BBC Sound Effects Library HospitalCorridors.BBC.EC3H1.wav Emergency, Hospital: Hospitals: Activity In Corridor
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45 BBC Sound Effects Library ShipsSirens.BBC.EC61Sb.wav Siren, Ship: Siren, Ship: Duke Of Rothesay, Ship"s Horn, Sounded Several Times.
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46 SoundStorm Library Sirens-Motorcycle-Wail-Fa_3.wav Sirens - Motorcycle - Wail - Fast By - Long In, To C U Fast By, And Long Away, Fast
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47 SoundStorm Library Sirens-PoliceCar-HighLow-Sl.wav Sirens - Police Car - High Low - Slow In And By - Slow Approach, By, Then Siren Stops O S, (Maybe Coasting W Out Engine)
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48 Coll Anderson Sound Library EFX EXT Railroad workers siren 01.wav Siren: Siren, Exterior, Suburban Town Fire Siren, Very Close, Railroad Workers Nearby On Train Tracks, Metal Grinder And Generator
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49 BBC Sound Effects Library AmbulancesBedford.BBC.EC_12.wav Emergency, Ambulance: Ambulance, Interior, Starts And Moves Off Into Constant Run With Horn, Stop, Tickover, Doors, Stretchers Taken Out. (As Heard By Patient.) (Bedford Ambulance.)
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50 SoundStorm Library Sirens-Police-WailWYelp-O_1.wav Sirens - Police - Wail W Yelp - Onboard Constant - Normal, High And Low Fluctuation, Variety
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51 SoundStorm Library Alarms-KlaxonAlarm-Int-CUMu.wav Alarm Sounds, Klaxon Alarm Siren, Int - CU Muffled, Mid-Range Signals
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52 Sonopedia FireAlarm_S08ER.99.wav Emergency, Fire, Alarm, Electronic
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53 SoundStorm Library Sirens-Ambulance-Wail-By-_4.wav Sirens - Ambulance - Wail - By - Long In, To C U By, And Long Away, Slow Motorcade Speed
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54 BBC Sound Effects Library PoliceCars.BBC.ECD45x.wav Emergency, Police: Emergency, Police: Police Car Constant Run With Yelp Siren Switched On/off, Interior Acoustic.
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55 Sounddogs Sound Library Beep,Microwave,One,Foley.wav Beep, Microwave, One, Foley
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56 SoundStorm Library Sirens-Wail-Burst-MediumD_2.wav Sirens - Wail - Burst - Medium Distant - Some Echo From Surrounding Structures
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57 SoundStorm Library Alarms-CarAlarm-Ext-Close_4.wav Alarm - Car Alarm - Ext - Close-Up - Activate And De-Activate; (2001 Ford Explorer)
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58 Sounddogs Sound Library Buzz,Pulse,Jagged,Resonant.wav Alarm: Buzz Pulse Jagged Resonant
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59 SoundStorm Library Sirens-PoliceCar-Wail-Sta_5.wav Sirens - Police Car - Wail - Start O S, By And Away - Siren Starts O S, Then By Mic And A Long Away, Very Distant Stop
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60 BBC Sound Effects Library AlarmsBurglar.BBC.ECD18a.wav Alarm, Burglar: Burglar Alarm, Electronic Spin
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61 BBC Sound Effects Library FireEngine.BBC.EC47La.wav Emergency, Fire Service: Fire Engine Departs With Horn.
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62 SoundStorm Library Sirens-Police-WailYelper_40.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Single Wail, Very Short And Wavering, Reverberant, Light Snow Fall
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63 SoundStorm Library Sirens-Ambulance-Wail-Sta_6.wav Sirens - Ambulance - Wail - Start O S, By And Away - Ambulance Starts O S, Is Put In Gear, Siren Starts, Then Fast Take Off And By Mic And A Long Away
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64 Sounddogs Sound Library Beep,Sci-Fi,Trills,Med Slow,Mid.wav Beep: Beep Sci-Fi Trills Medium Slow Mid
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65 SoundStorm Library Sirens-Motorcycle-Wail-St_3.wav Sirens - Motorcycle - Wail - Start O S, By And Away - Motorcycle Starts O S, Is Put In Gear, Siren Starts, Then Fast By Mic And A Long Away
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66 SoundStorm Library Sirens-WWIIAirRaidSiren-Dis.wav Siren Sounds - Air Raid Siren - - WWII Air Raid Siren - Distant - London
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67 SoundStorm Library Alarms-CodeEntryBeeps-Int_1.wav Alarm - Code Entry Beeps - Int - CU - High Pitched Single Tone Beeps
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68 Sounddogs Sound Library Horn,Harley,By,Fast,Annoyin.wav Alarm, Horn: Horn Harley By Fast Annoying
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69 SoundStorm Library Sirens-PoliceSiren-WailBu_2.wav Sirens - Police Siren - Wail Burst - Stationary - Ext - Medium Close Up - Long, Medium High Pitch, Without Engine
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70 BBC Sound Effects Library Hospitals.BBC.ECD88a.wav Emergency, Hospital: Hospital Casualty Reception Atmosphere, With Speech And Occasional Telephone - 1981 (3H3, Reprocessed)
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71 BBC Historical Sound Effects Library WarningSir_BBC-Historical_3.wav Alarm, Siren: Warning Siren Sounded At Space Rocket Site.
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72 BBC Sound Effects Library FireEngine.BBC.EC2F3a.wav Emergency, Fire Service: Fire Engine: Interior, Start, Run With Horn, Stop
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73 SoundStorm Library Sirens-EuropeanHighLowSir_7.wav Sirens - European High Low Siren #3 - Close-Up To Distant - In And By Twice, First Close-Up And 2nd Distant
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74 SoundStorm Library Sirens-Police-WailYelperH_3.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Broken Up Into 3 Main Parts, Reverberant, Light Snowfall
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75 Casablanca Sound Library Siren,Euro,By,Fast,Some slight distortion.wav Siren: Siren, Euro, By, Fast, Some Slight Distortion
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76 BBC Sound Effects Library AmbulanceAustin.BBC.EC47Gi.wav Emergency, Ambulance: Ambulance, Exterior, Approaches And Stops, Doors, Stretchers Taken Out. (With Horn.) (Austin Automatic Ambulance.)
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77 SoundStorm Library Sirens-OldFashionedSiren-_4.wav Sirens - Old Fashioned Siren - Wail - Ext - Medium Close Up By - 40 Mph - Slight Doppler
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78 SoundStorm Library Tones-Alarms-ElectronicAl_2.wav Tones - Alarm - Electronic Alarm - CU - Rapid, Quick And Repetitive Beeps
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79 SoundStorm Library Alarms-ElectronicWatchAla_2.wav Alarm - Electronic Watch Alarm Beeps - Int - CU - High-Pitched, Rhythmic Double Beeps
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80 Sounddogs Sound Library Siren,Police,France 94,Static.wav Alarm: Siren Police France 94 Static
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81 BBC Sound Effects Library HospitalMensWard.BBC.EC55E.wav Emergency, Hospital: Men"s Ward, Atmosphere In Ward With Footsteps, Coughing And Indistinct Speech, Some Laughter.
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82 BBC Sound Effects Library ShipsSirens.BBC.EC61Rd.wav Siren, Ship: Siren, Ship: R.M.S. Queen Mary Ship"s Siren, One Horn Blast, Signalling Ship Stoppping.
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83 SoundStorm Library Sirens-PoliceCar-Wail-Fas_2.wav Sirens - Police Car - Wail - Fast By - Long In, To C U Fast By, And Long Away, Fast
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84 Rob Nokes Sound Library Air Horn,Blast,Med Dist.wav Alarm Sounds, Air Horn Sound Effect: Air Horn Blast Medium Distant
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85 BBC Sound Effects Library Ambulances.BBC.EC88C.wav Emergency, Ambulance: F36 British Emergency Services Horn Sounded.
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86 SoundStorm Library Sirens-Police-WailYelper_16.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - 2 Yelps, Reverberant, Light Snow Fall
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87 SoundStorm Library Alarms-U.S.S.ForrestalAlarm.wav Alarm - U.S.S. Forrestal Alarm - Int - CU Short Series Of Mid-Range Pulses
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88 SoundStorm Library Alarms-AirlinerWarningAlarm.wav Alarm - Airliner Warning Alarm - Ext - Medium Close Up - Nagging Mid-Range Signals
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89 SoundStorm Library Sirens-Ambulance-Wail-In_4.wav Sirens - Ambulance - Wail - In And Stop - Very Distant Siren, Medium Approach, C U In, Then Siren Stops, Ambulance Idles A While And Then Off
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90 BBC Sound Effects Library PoliceCars.BBC.ECD45u.wav Emergency, Police: Emergency, Police: Police Car Yelp Siren, Interior Acoustic.
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91 Sounddogs Sound Library Beep,Sci-Fi,Blip,Blip,Boop.wav Beep: Beep Sci-Fi Blip Blip Boop
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92 SoundStorm Library Sirens-Wail-CU-ASeriesOfS_1.wav Sirens - Wail - C U - A Series Of Six Individual Stationary Siren Wails
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93 SoundStorm Library Alarms-CarAlarm-Ext-CU-Mult.wav Alarm - Car Alarm - Ext - CU - Multiple Activation And Deactivation Chirps With Horn Honks
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94 Sounddogs Sound Library Buzzer,Film,Elevator,Low.wav Alarm: Buzzer Film Elevator Low
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95 SoundStorm Library Sirens-PoliceCar-Yelper-_14.wav Sirens - Police Car - Yelper - Slow In And Stop - Very Distant Siren, Slow Approach, In, Slightly By, Then Siren Stops, Car Continues Foward, Stops
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96 BBC Sound Effects Library FireGerman.BBC.EC47Ae.wav Emergency, Fire Service: German Fire Engine Approaches And Passes With Horn.
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97 BBC Sound Effects Library AlarmsElectronic.BBC.EC25Eb.wav Alarm, Electronic: Electronic Alarm Signal
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98 BBC Sound Effects Library FireEngine.BBC.ECD45a.wav Emergency, Fire Service: Fire Engine Started, Idle, Switch Off
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99 SoundStorm Library Sirens-Police-WailYelper_48.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - 2 Buzzing Sirens, 1 Short And 1 Long, Reverberant, Light Snow Fall
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100 SoundStorm Library Sirens-Ambulance-Yelper-I_4.wav Sirens - Ambulance - Yelper - In And Stop - Very Distant Siren, Medium Approach, C U In, Then Siren Stops, Small Brake Squeal As Stops
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