TL;DR
A web tool turns smartphones into decibel meters matched to municipal noise ordinances, letting users record or upload audio, analyze levels against local limits, and export PDF reports. The service targets tenants, property managers, construction monitors, and legal professionals and processes audio locally with no recordings sent to servers.
What happened
A new online noise-evidence generator offers a step-by-step workflow for documenting alleged noise violations. Users pick a city to load the relevant day/night decibel thresholds, then record live audio or upload files. The tool displays real-time levels, flags readings that exceed the selected municipal limits, and can produce a PDF containing time-stamped measurements, location metadata and references to the applicable ordinance. The site markets the service for tenants building complaints against neighbors or landlords, for construction and compliance monitoring, for HOAs enforcing community rules, and for lawyers preparing cases. It also outlines practical guidance—minimum recording durations, phone-microphone tips, expected measurement ranges, and device-dependent accuracy estimates—and says ordinance data come from official municipal sources and are refreshed quarterly. Free accounts are limited to generating up to 10 PDFs per day.
Why it matters
- Helps people assemble time-stamped, location-tagged records aligned with municipal noise rules.
- Aims to standardize evidence collection across common tenant, HOA and construction disputes.
- Local audio processing and omission of audio from PDFs target privacy concerns.
- Device-based accuracy limits and recommended recording practices affect how compelling the evidence may be.
Key facts
- Users select a US city to apply local day/night decibel limits (examples listed for many major cities).
- Workflow: select city, record or upload audio, view analyzed noise levels and violations, export a PDF report.
- Generated PDFs include timestamps, location data, and references to relevant municipal ordinances.
- Audio processing happens locally on the user’s device; no recordings are stored or transmitted by the service.
- Free users can create up to 10 PDF reports per day.
- The tool reports a supported measurement range of approximately 0–120 dB.
- Modern smartphones are said to measure within about ±5 dB of professional equipment, with accuracy varying by device.
- Minimum recommended recording duration is 30 seconds; 1–3 minutes is suggested for stronger documentation.
- Noise ordinance data are sourced from official municipal websites and updated quarterly.
What to watch next
- Whether courts and law enforcement uniformly accept these generated PDFs as admissible evidence: not confirmed in the source.
- If or when paid tiers or higher PDF-generation limits become available beyond the stated free cap of 10 per day: not confirmed in the source.
- How measurement consistency varies across specific phone models and external microphones in real-world cases: not confirmed in the source.
Quick glossary
- Decibel (dB): A logarithmic unit used to express the intensity of sound. Higher values indicate louder sounds.
- A-weighted decibels (dBA): A-weighting adjusts measurements to reflect human hearing sensitivity across frequencies; commonly used in noise ordinances.
- One-party consent: A legal standard where recording is permitted if at least one participant in the conversation consents; rules vary by jurisdiction.
- PDF report: A portable document format file used to present captured measurements, timestamps and context in a fixed layout suitable for sharing and archiving.
- Timestamp: A recorded time marker indicating when a measurement or event occurred, used to establish chronology in evidence.
Reader FAQ
What units does the tool use to measure noise?
It measures sound in decibels (dB), the standard unit for sound intensity and most municipal ordinances.
How long should I record for usable evidence?
At least 30 seconds is recommended; recordings of 1–3 minutes are suggested for stronger documentation.
How accurate are the phone measurements?
Accuracy depends on the device; the site cites modern smartphones as typically within about ±5 dB of professional gear.
Are audio files uploaded or stored on external servers?
Audio processing is said to occur locally on the device and the service states it does not transmit or store recordings; generated PDFs do not contain audio.
Will these reports be accepted in court or by police?
The tool is designed to produce court- and police-ready reports, but the site does not offer legal advice and recommends verifying admissibility and local recording laws: not confirmed in the source.
By using this service, you agree to our Terms of Service and Privacy Policy Learn More 🎤 Record Evidence 📋 History Evidence Collection Select US City & Noise Ordinance New…
Sources
- Show HN: Free noise evidence generator for tenant complaints
- LoudLog: Generate Professional Noise Evidence in Minutes
- Freeing up Resource and Providing Reliable Evidence in …
- 5 Powerful AI for Law Enforcement Interviews Tools
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