What does a police car sound like?

0 1 police car siren is short and crisp, rapid, similar? Whoa whoa whoa ~? The frequency is 2~3 times per second. The sound of a police car represents a warning. Give people a warning and a sense of oppression against criminals.

The siren of the police car is very urgent and there is no interval. Mr. Ma described it in one word: It's over, it's over. The police can buy more time if they go out and sound the alarm. For example, when there are many cars on the road, if the alarm is activated, other cars will take the initiative to give way. In this way, we can get to the scene faster, and we won't miss the best opportunity because of time. In many cases, it can also disturb the prisoner's mind, which also reminds the prisoner that it is best to surrender voluntarily, otherwise he will face a very passive situation, and resistance will aggravate the crime.

03 The police car includes:

(1) patrol cars, survey cars, escort cars, prison cars and other vehicles used by public security organs for investigation, security, public security and traffic management;

(2) Vehicles used by state security organs for investigation and other special tasks;

(3) Prison wagons and vehicles used by prisons and community correction departments of judicial administrative organs to escort and transport criminals and pursue fugitives;

(4) Prison wagons, execution ground command wagons, criminal investigation wagons and execution wagons used by the people's courts to escort criminal suspects and criminals;

(5) On-site investigation vehicles used by people's procuratorates to investigate criminal cases and prison vehicles to escort criminal suspects.

04 Different ambulance sounds:

1. The siren is short, crisp and urgent, similar? Whoa whoa whoa ~? The frequency is 2~3 times per second. Give people a warning and a sense of oppression against criminals.

2. The ambulance has a long sound, similar to the form of heart rate pulse? Hmm ~ hmm ~? The frequency is once a second. Mainly highlights the sense of urgency and urgency.

3. The fire alarm takes the longest time, with more emphasis on the alarm sound? Yeah, yeah, yeah. The frequency is about three seconds. The voice is very low, which makes people feel that the incident is serious and urgent.