Police Scanner Audio Dataset

A comprehensive collection of police and emergency services radio communications from multiple US cities, captured from publicly available scanner feeds.

Dataset Overview

This dataset contains 103,660 audio recordings totaling 357GB of police scanner audio from 6 different cities across the United States. The recordings span multiple months of continuous monitoring and represent real-world emergency services communications.

Scanner Feeds

Feed ID	Location	Services Covered
5725	Des Moines, Iowa	Police Dispatch 1
11446	Cleveland, Ohio	Police and Metro Housing Authority
13671	Detroit, Michigan	Police Dispatch
15908	Topeka, Kansas	Police Dispatch - East and West
32602	Indianapolis, Indiana	Metropolitan Police
41622	New York	Amherst and Tonawanda Police and Fire Departments

Dataset Statistics

Total Files: 103,660 MP3 audio files
Total Size: 357 GB
Duration: ~30 minutes per file, total duration 50,416 hours
Format: MP3 audio
Coverage: Multiple months of continuous recording
Feeds: 6 different emergency service frequencies

File Structure

/
├── feed_5725/           # Des Moines Police Dispatch 1
├── feed_11446/          # Cleveland Police and Metro Housing Authority  
├── feed_13671/          # Detroit Police Dispatch
├── feed_15908/          # Topeka Police Dispatch - East and West
├── feed_32602/          # Indianapolis Metropolitan Police
└── feed_41622/          # Amherst and Tonawanda Police and Fire Departments

Each feed directory contains:

feed_XXXXX/
├── 2024-08-14/         # Daily folders
├── 2024-08-15/
├── ...
└── completed_dates.txt # Tracking file for processed dates

File Naming Convention

Audio files follow the pattern:

{feed_id}-{unix_timestamp}_{start_time}-{end_time}.mp3

Example: 11446-1723613053_0124-0154.mp3

Feed ID: 11446 (Cleveland Police)
Unix timestamp: 1723613053
Time range: 01:24 to 01:54 (~30-minute segments)

Technical Specifications

Audio Format: MP3
Segment Length: ~30 minutes each
Source: Вrоаdcastify streams

Data Quality Notes

Audio quality varies based on radio conditions and distance from transmitters
Some files may contain prolonged periods of silence or static
Communications may include coded language specific to each department

License

This dataset is released under Creative Commons Attribution 3.0 United States License.