High / Low Siren; Close Perspective 2.

High-low Siren Long In From Distant, Close Doppler By Left To Right Fast. Away To Distant Then Return And By Left To Right Again And Away.

High-low Siren, Short Bursts Close.

High-low Siren, Steady Close.

Police Siren: Interior Perspective with Various Types.

Police Siren: In Tunnel with Various Types.

Police Siren: Various Types From Idle Car.