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 BBC Sound Effects Library Harbours.BBC.EC61Qb.wav Emergency, Harbour: Emergency, Harbour: Ships" Sirens Sounding Short Blasts. (Recorded At Pool Of London.)
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2.0 0:12

Alarm

Emergency Harbour

2 SoundStorm Library Alarms-CarAlarm-Ext-CUEng_1.wav Alarm - Car Alarm - Ext - CU Engage And Disengage Chirps
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2.0 0:12Alarm Alarm Auto
3 SoundStorm Library Sirens-Police-WailYelper_54.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Series Of Yelps, Very Short, Reverberant, Light Snow Fall, Distant Traffic
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2.0 0:09Alarm Siren Police US
4 BBC Sound Effects Library HospitalsTrolleys.BBC.EC5_1.wav Emergency, Hospital: Hospital Trolley Passing In Hospital Corridor.
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2.0 0:23Alarm Emergency Hospital
5 SoundStorm Library Alarms-ElectronicAlarm-I_10.wav Alarm - Electronic Alarm - Int - CU - Medium High-Pitched Pulsing - Somewhat Slow Paced
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1.0 0:16Alarm Alarm Electronic
6 SoundStorm Library Sirens-PoliceCar-HighLow-_4.wav Sirens - Police Car - High Low - Start O S, By And Away - Siren Starts O S, Then Quick By Mic And A Long Away, A Very Distant Stop
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2.0 0:47Alarm Siren Police US
7 BBC Sound Effects Library PoliceCars.BBC.ECD45w.wav Emergency, Police: Emergency, Police: Police Car Constant Run With Wail Siren Switched On/off, Interior Acoustic.
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2.0 1:11Alarm Siren Police US
8 SoundStorm Library Alarms-HighPitchedAlarmWith.wav Alarm - High Pitched Alarm With C U Motor Sounds - Int - C U Rattle From Escalators, Some Medium Close Up Walla @ Times, Sounds Like Flappy Fan Belt And Electrical Motor Steady, Loud Alarm Goes Off @ 1 14
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9 SoundStorm Library Sirens-PoliceCar-Wail-Slo_7.wav Sirens - Police Car - Wail - Slow By - Long In, To C U Slow By, And Long Away, Slow Motorcade Speed
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2.0 2:03Alarm Siren Police US
10 BBC Sound Effects Library BoatsSirens.BBC.EC61Rb.wav Siren, Boat: Alarm Siren, Trawler"s Siren.
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2.0 0:30Alarm Siren Boat
11 SoundStorm Library Siren-DestroyerSiren-MCU-AB.wav Siren - Destroyer Siren - Medium Close Up - A Bit Comical
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12 SoundStorm Library Sirens-PoliceSiren-Wail-Sta.wav Sirens - Police Siren - Wail - Stationary - Ext - Medium Close Up - Long, Medium High Pitch, Without Engine
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13 BBC Sound Effects Library ShipTugs.BBC.EC61Sb.wav Siren, Ship: Siren, Ship: Ship"s Siren Sounds And Is Answered By Tug.
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2.0 0:13Alarm Siren Ship
14 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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15 SoundStorm Library Sirens-Wail-Bursts-Distan_2.wav Sirens - Wail - Bursts - Distant - Some Echo From Surrounding Structures
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16 Sounddogs Sound Library Beep,Sci-Fi,Chirp,Thin,Short.wav Beep: Beep Sci-Fi Chirp Thin Short
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17 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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18 SoundStorm Library Sirens-Yelper-SlowInBy-V_3.wav Sirens - Yelper - Slow In And By - Very Distant Siren Start, Slow Distant Approach And By, Once O S Siren Changes To A Quick Wail, Then Off, Coasting W Out Engine
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19 Sounddogs Sound Library Beeps,Ping,Sharp,Fast,Wavers,1.wav Beep: Beeps Ping Sharp Fast Wavers 1
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20 SoundStorm Library Sirens-FireTruck-Wail-InSi.wav Sirens - Fire Truck - Wail - In And Siren Off - Slow - Without Engine
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21 Coll Anderson Sound Library EFX INT Dig. Alarm Clock 02.wav Alarm: House, Interior, Digital Alarm Clock Beep Beep Beep Tone, Close And More Distant And Muffled
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22 SoundStorm Library Tones-Alarms-ElectronicBurg.wav Tones - Alarm - Electronic Burglar Alarm - CU - Warning, Dual Tone
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23 SoundStorm Library Sirens-Motorcycle-Wail-Medi.wav Sirens - Motorcycle - Wail - Medium In And Stop - Very Distant Siren Start, Medium Approach, In, Then Siren Stops, Motorcycle Engine Idles
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24 BBC Sound Effects Library AlarmsBells.BBC.EC3W2c.wav Alarm, Bells: Sirens And Bells: Siren, Bell And Klaxon Alarm
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25 SoundStorm Library Sirens-OldFashionedSiren_15.wav Sirens - Old Fashioned Siren - Wail - O S Start, Medium Distant By And Away - Medium Fast
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26 BBC Sound Effects Library AlarmsElectronic.BBC.EC160C.wav Alarm, Electronic: Fawley Oil Refinery, Alarm Signal Sounded.
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27 SoundStorm Library Sirens-Police-WailYelper_11.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Single Wail, Incrementally Pitched Down, Reverberant, Light Snow Fall
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28 BBC Sound Effects Library Ambulances.BBC.ECD45n.wav Emergency, Ambulance: Ambulance Hand Brake Applied.
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29 SoundStorm Library Sirens-Police-WailYelper_43.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Yelps Of Variable Length, Reverberant, Light Snow Fall
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30 BBC Sound Effects Library AmbulanceAustin.BBC.EC47H.wav Emergency, Ambulance: Ambulance, Interior, Start, Run With Horn, Stop. (Austin Automatic Ambulance.)
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31 Sounddogs Sound Library Horn,Boat,Steam,3,Raspy,BG.wav Alarm, Horn: Horn Boat Steam 3 Raspy BG
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32 BBC Sound Effects Library FireEngine.BBC.ECD45e.wav Emergency, Fire Service: Fire Engine Arrives With Two-tone Horns, Idle, Off.
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33 Sounddogs Sound Library Horn,Truck,Doppler,Long,Awa.wav Alarm, Horn: Horn Truck Doppler Long Away
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34 BBC Sound Effects Library FireEngine.BBC.EC2F4b.wav Emergency, Fire Service: Fire Engine: Exterior, Pass With Horn
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35 Sonopedia AlarmSystemKeypad_S08OF.1.wav Office, Alarm, System, Keypad, Entry, Enter, Code, Accept, Building, Security
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36 SoundStorm Library Sirens-WailYelper-SlowInSt.wav Sirens - Wail Yelper - Slow In And Stop - Very Distant Siren Starts Various Wailing Sounds, Then Alternates Between The Various Wailing And Yelping During It's Slow Approach, In, Then Siren Stops
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37 Sounddogs Sound Library Beeps,Ping,Harsh,Warbles,Accel2.wav Beep: Beeps Ping Harsh Warbles Accel2
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38 SoundStorm Library Sirens-EuropeanHighLowSiren.wav Sirens - European High Low Siren - Medium Close Up To Distant - Start, Away, In And Stop
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39 Coll Anderson Sound Library EFX EXT Siren By 01.wav Siren: Siren, Exterior, Police Siren Drive By Fast, Starting Very Distant, Wow Wow Siren
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40 SoundStorm Library Tones-Alarms-ElectronicAl_1.wav Tones - Alarm - Electronic Alarm - CU - Warning, Dual Tone, Similar
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41 SoundStorm Library Sirens-Motorcycle-Wail-In_4.wav Sirens - Motorcycle - Wail - Intersection By - Long In, To C U By, And Long Away, Siren Has Some Yelping Right Before By
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42 BBC Sound Effects Library AlarmsBells.BBC.ECD45.wav Alarm, Bells: Burglar Alarm, Combined Bell And Electronic Siren.
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43 SoundStorm Library Sirens-OldFashionedSiren_10.wav Sirens - Old Fashioned Siren - Wail - Ext - C U - Long Burst, Stationary
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44 BBC Sound Effects Library AlarmsElectronic.BBC.EC25El.wav Alarm, Electronic: Electronic Alarm Signal.
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45 SoundStorm Library Sirens-Police-Wail-LongBurs.wav Sirens - Police - Wail - Long Burst - Medium Close Up - Right Channel
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46 BBC Sound Effects Library Alarms.BBC.EC3S20.wav Submarine: 1960 "P" Class, Night Alarm In Submarine.
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47 SoundStorm Library Sirens-Police-WailYelper_38.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Single Short Yelp, Reverberant, Light Snow Fall
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48 BBC Sound Effects Library AmbulanceAustin.BBC.EC47Gl.wav Emergency, Ambulance: Ambulance, Exterior, Passing. (With Horn.) (Austin Automatic Ambulance.)
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49 Sounddogs Sound Library Horn,Boat,1,Long,3,Short,Ec.wav Alarm, Horn: Horn Boat 1 Long 3 Short Echo
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50 BBC Sound Effects Library FactoriesSirens.BBC.EC3W2b.wav Emergency, Factory: Emergency, Factory: Sirens And Bells: Factory Hooter
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51 Sounddogs Sound Library Horn,Steam Boat,Mid,Lazy,Re.wav Alarm, Horn: Horn Steam Boat Mid Lazy Reverb
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52 BBC Sound Effects Library FireEngine.BBC.EC2F4c.wav Emergency, Fire Service: Fire Engine: Exterior, Approach And Stop With Horn
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53 Sonopedia AlarmHotelFire_S08ER.4.wav Emergency, Alarm, Hotel, Fire, Beeps, High, Pitch, Loop
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54 BBC Sound Effects Library FireEngine.BBC.EC47Kg.wav Emergency, Fire Service: Three Fire Engines Passing Fast. (With 2-tone Horns.)
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55 SoundStorm Library Alarms-CarAlarm-Ext-Close_8.wav Alarm - Car Alarm - Ext - Close-Up - Activate And De-Activate; (2001 Ford Explorer)
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56 SoundStorm Library Sirens-Police-WailYelper_49.wav Sirens - Police - Wail Yelper Horn Siren Variety Pack - Parked - Close-Up - Single Long Wail, Reverberant, Light Snow Fall, Distant Traffic
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57 BBC Sound Effects Library HospitalPharmacy.BBC.ECD28a.wav Emergency, Hospital: Hospital Pharmacy Waiting Area Atmosphere.
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58 SoundStorm Library Alarms-CodeEntryBeeps-Int-C.wav Alarm - Code Entry Beeps - Int - CU - High Pitched Single Tone Beeps
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59 SoundStorm Library Sirens-PoliceCar-CU-Serie_2.wav Sirens - Police Car - C U - Series Of Various Pull Over Sirens, Police Car Cranks Up, Then Procedes To Sound A Large Variety Of Siren Sounds, Wails, Yelps, High Lows And Combinations, Then Engine Off
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60 BBC Sound Effects Library PoliceCars.BBC.ECD69b.wav Emergency, Police: Emergency, Police: Police Car - Fast Pass With Siren (Copenhagen)
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61 SoundStorm Library Alarms-FireAlarmHighPitch_1.wav Alarm - Fire Alarm High Pitch Beeps - C U - On, Off And Long Steady, Slowed Down
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62 SoundStorm Library Sirens-PoliceCar-Wail-Slo_2.wav Sirens - Police Car - Wail - Slow In And Stop - Very Distant Siren Start, Slow Approach, In, Then Siren Stops, Slight Wind Buffets, (Maybe Coasting W Out Engine)
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63 BBC Sound Effects Library AirRaidSirens.BBC.ECD101f.wav Alarm Sounds, Air Raid Siren Sound Effects, Air Raid Siren Sounds - Air Raid Siren - Civil Defense Siren, Warfare, World War II: All Clear (Italy) - 1968 (162A)
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64 SoundStorm Library Alarms-WarningWhistle-Int-C.wav Alarm - Warning Whistle - Int - CU Nasally, Mid-Range Signals
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65 SoundStorm Library Sirens-PoliceCar-Yelper-S_8.wav Sirens - Police Car - Yelper - Start O S, By And Away - Siren Starts O S, Sits Still For A Moment Then By Mic And A Long Away, A Very Distant Siren Stop
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66 BBC Sound Effects Library ShipsSirens.BBC.EC61Ra.wav Siren, Ship: Siren, Ship: R.M.S. Queen Mary Ship"s Siren, One Horn Blast, Signalling Ship Turning To Starboard.
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67 SoundStorm Library Sirens-Ambulance-Wail-By-_7.wav Sirens - Ambulance - Wail - By - Long In, To C U By, And Away, Medium Motorcade Speed
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68 SoundStorm Library Sirens-Wail-Burst-MediumD_1.wav Sirens - Wail - Burst - Medium Distant - Some Echo From Surrounding Structures
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69 Sounddogs Sound Library Beep,Sci-Fi,Blip,Double,Mid.wav Beep: Beep Sci-Fi Blip Double Mid
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70 SoundStorm Library Sirens-Ambulance-WailYelpe.wav Sirens - Ambulance - Wail And Yelper - By And Away - NYC Harlem, Mostly Wail But Changes To Distant O S Yelper, Footsteps, Heavy Traffic Ambience
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71 BBC Sound Effects Library FactoriesSirens.BBC.EC88Dj.wav Emergency, Factory: Emergency, Factory: Factory Hooter Sounded.
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72 Sounddogs Sound Library Horn,Squeak,Rubber Duck,Ala.wav Alarm, Horn: Horn Squeak Rubber Duck Alarm
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73 BBC Sound Effects Library FireEngine.BBC.ECD45q.wav Emergency, Fire Service: Fire Engine, Sliding Side Panels Lowered.
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74 Sonopedia AlarmClockHit_S08HS.10.wav Household, Alarm, Clock, Hit
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75 BBC Sound Effects Library FireServices.BBC.EC47L.wav Emergency, Fire Service: Scene Of Fire, General Activity.
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76 SoundStorm Library Alarms-CarAlarm-Ext-Close_3.wav Alarm - Car Alarm - Ext - Close-Up - Rapid Honks For Alarm Going Off, (2001 Ford Explorer)
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77 BBC Sound Effects Library PulseMonitors.BBC.EC3H2f.wav Emergency, Hospital: Hospital Equipment: Synthesised Pulse Monitor, Fast And Stop
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78 SoundStorm Library Alarms-CodeEntryBeep-Int-CU.wav Alarm - Code Entry Beep - Int - CU - Robotic Voice Followed By High Pitched Single Tone Beep
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79 SoundStorm Library Sirens-Police-WailYelperHi.wav Sirens - Police - Wail Yelper And High Low - Ext - Various Distances, Good Doppler Bys, Nice Reverb And Echo, Away With Yelps And Hi Lo, O S Airplane And Vehicular Traffic During Middle Of Take
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80 BBC Sound Effects Library HospitalICU.BBC.ECD28c.wav Emergency, Hospital: Ventilator, Busy Period In Intensive Care Unit. (Recorded At Patient"s End.)
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81 SoundStorm Library Alarms-ElectronicWatchAla_1.wav Alarm - Electronic Watch Alarm Beeps - Int - CU - High-Pitched, Rhythmic Double Beeps
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82 SoundStorm Library Sirens-PoliceCar-Wail-Int_5.wav Sirens - Police Car - Wail - Intersection By - Long In, To C U By, And Long Away, Siren Has Some Yelping Right Before By
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83 BBC Sound Effects Library AirRaidSirens.BBC.ECD101c.wav Alarm Sounds, Air Raid Siren Sound Effects, Air Raid Siren Sounds - Air Raid Siren - Civil Defense Siren, Warfare, World War II: Alert (Germany) - 1968 (162A)
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84 SoundStorm Library Alarms-U.S.S.ForrestalAla_1.wav Alarm - U.S.S. Forrestal Alarm - Ext - CU Reverberant By
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85 SoundStorm Library Sirens-PoliceCar-Yelper-S_3.wav Sirens - Police Car - Yelper - Start O S, By And Away - Siren Starts O S, Sits Still For A Moment Then By Mic And A Long Away, A Very Distant Wail And Stop
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86 BBC Sound Effects Library ShipsSirens.BBC.EC61Tb.wav Siren, Ship: Siren, Ship: R.M.S. Queen Elizabeth II, Ship"s Siren, Four Long Blasts As Ship Leaves Port, Close Perspective, With Other Ships At End.
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87 SoundStorm Library Sirens-Ambulance-Wail-By-_2.wav Sirens - Ambulance - Wail - By - Long In, To C U By, And Long Away, Medium Speed
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88 SoundStorm Library Sirens-Wail-Burst-Distant_1.wav Sirens - Wail - Burst - Distant - Some Echo From Surrounding Structures
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89 Sounddogs Sound Library Beep,Sci-Fi,Bleep,Trill,High.wav Beep: Beep Sci-Fi Bleep Trill High
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90 SoundStorm Library Sirens-Ambulance-Wail-Sta_4.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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91 SoundStorm Library Sirens-WailYelper-Distan_3.wav Sirens - Wail And Yelper - Distant Siren W Wails And Yelps
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92 Sounddogs Sound Library Beeps,ECG,70bpm,120bpm,70bpm.wav Beep: Beeps ECG 70bpm 120bpm 70bpm
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93 SoundStorm Library Sirens-EuropeanHighLowSir_5.wav Sirens - European High Low Siren #2 - Close-Up To Distant - Distant Siren, Footsteps In Left Channel, Tire Screech, Car By, Siren Close-Up And Stop, Distant Car Idle
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94 Casablanca Sound Library Siren,Vintage,Start,Wind Down.wav Siren: Siren, Vintage, Start, Wind Down
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95 SoundStorm Library Tones-AlarmKeyPad-Int-CU-Si.wav Tones - Alarm Key Pad - Int - C U - Single And Sequenced Key Hits, High Electronic Beep, 2 Types Of Repetitive Warning Beeps Sequences
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96 SoundStorm Library Sirens-Motorcycle-Wail-Fa_9.wav Sirens - Motorcycle - Wail - Fast By - Long In, To C U Fast By, And Long Away, Fast
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97 BBC Sound Effects Library Horns.BBC.ECD69b.wav Alarm Sounds, Air Horn Sound Effect: Air Horn - 5 Short Blasts
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98 SoundStorm Library Sirens-NYCPolice-WailYelper.wav Sirens - NYC Police - Wail Yelper And Horn Variety Pack - Stationary - Medium Pov - Various Lengths, Light Traffic Bys, Wet Street
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99 BBC Sound Effects Library AlarmsElectronic.BBC.EC25Eg.wav Alarm, Electronic: Electronic Alarm Signal
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100 SoundStorm Library Sirens-Police-Wail-Ext-Sh_4.wav Sirens - Police - Wail - Ext - Short Burst - Medium Close Up - Single, Echo
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