0:18
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Police car siren approaches and fades.
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0:18
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Police siren approaches and fades.
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1:04
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Police siren wails continuously.
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0:08
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Police siren rings and ends.
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0:21
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Police siren wails and fades. Distant perspective, city streets.
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0:20
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Police siren wails and fades. Distant perspective.
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0:25
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Police siren warbles and wails
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0:18
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Police siren warbles and wails.
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0:08
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Crowd chants "Yes we can" at political rally for presidential candidate Barack Obama.
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0:01
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Two quick police sirens.
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0:02
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Air horn honks - high, thin tone, medium distant. (3)
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0:12
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Air horn honks - high, thin tone, close, loud.
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0:44
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Air horn honks - high, thin tone, medium distant. (2)
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0:08
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Air horn honks - high, thin tone, medium distant. (1)
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1:28
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High pitched alarm blaring in long hallway.
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1:24
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"Medium-pitch constant tone, medium rate."
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1:27
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"Medium-pitch constant tone, low rate (6)."
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1:29
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"Distorted medium-pitch constant tone, low rate."
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1:29
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"Medium-pitch constant tone, low rate (5)."
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2:11
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"Medium-pitch constant tone, low rate (4)."
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