Sound Meter – Noise Detector

🔊 Sound Meter – Real-time noise level detector using
your phone's microphone!

Measure environmental sound levels instantly in decibels (dB).
Whether you're checking noise at home, office, concerts,
traffic, or construction sites — this app gives you accurate,
real-time readings with a beautiful analog gauge display.

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📊 REAL-TIME dB METER
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- Live decibel reading from 0 to 140 dB
- Beautiful analog gauge visualization
- Large, easy-to-read dB display
- Sound level labels:
🍃 Breathing • Rustling Leaves • Quiet Room
💬 Conversation • Traffic • Loud Music
- Live scrolling graph of sound levels
- Color-coded level indicator (green to red)
- MIN / AVG / MAX dB tracking

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⏺️ SESSION RECORDING
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- Record noise measurement sessions
- Pause, resume & stop recording
- Tracks elapsed time per session
- Multiple sessions in one go
- Save sessions for later review

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🕓 SESSION HISTORY
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- All sessions saved with date & time
- View MIN, AVG, MAX dB per session
- See session duration
- Sound environment label saved
- Delete individual sessions anytime

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🎙️ MICROPHONE CALIBRATION
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- Calibrate your mic for accurate readings
- Adjustable offset: -20 dB to +20 dB
- Reference environments preset:
→ Quiet Room (30 dB)
→ Conversation (60 dB)
→ Traffic (70 dB)
→ Subway (95 dB)
- Save custom calibration per device
- PCM-based RMS dB calculation for accuracy

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⚙️ SETTINGS
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- Dark Mode support
- View & manage stored sessions
- Reset all data option
- Minimal & clean interface

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✅ WHY CHOOSE THIS APP?
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✔ No account needed — works instantly
✔ 100% offline — no internet required
✔ PCM-based RMS — more accurate than basic apps
✔ Microphone calibration support
✔ Session history for long-term tracking
✔ Dark mode for night use
✔ Lightweight & battery friendly

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📍 PERFECT FOR:
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- Home & office noise monitoring
- Construction & workplace safety
- Concert & event noise levels
- Baby sleep environment check
- Classroom & library noise levels
- Traffic & street noise testing

Measure the world around you — accurately.
Download Sound Meter free today! 🔊