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SoundScope

See what you hear. Real-time spectrogram with AI-powered sound recognition.

Get it on Google Play
521
Sound Classes
9
Languages
5
Colormaps
20kHz
Full Range

Key Features

🎶

AI Sound Recognition

Powered by YAMNet, identifies 521 sound classes in real-time — birds, instruments, traffic, appliances and more.

🎨

Spectrogram Art

Turn images into sound! Play shapes that appear as art on another phone's spectrogram. 9 built-in presets, or upload your own image with Pro.

🌈

Scientific Colormaps

5 perceptually uniform colormaps: Inferno, Viridis, Magma, Plasma, and Classic.

📡

Full Spectrum

20 Hz to 20 kHz logarithmic spectrogram with adaptive frequency labels. Blackman-Harris windowing for -92 dB sidelobe suppression.

📍

GPS Sound Recording

Record outdoor sound walks with GPS coordinates. View detected sounds plotted on a map along your route. Pro feature.

🔇

Noise Suppression

Adaptive per-bin spectral subtraction removes background noise, revealing what matters.

🎧

Frequency Presets

Quick-switch between Birding, Speech, Music, and Full Range modes to focus on what you're listening for.

🌐

9 Languages

Full interface and all 521 detection labels in EN, IT, DE, FR, ES, PT, JA, KO, ZH.

Audio Recording

Record audio as WAV files with one tap. Recordings are saved locally on your device — never uploaded or shared.

📱

Home Screen Widget

See the last detected sound at a glance without opening the app.

Spectrogram Art

Play a sound file and watch hidden images appear on your friend's spectrogram. A fun way to share visual messages through sound.

What's New

Latest

  • Spectrogram Art — play images as sound, see shapes on the spectrogram
  • GPS Sound Recording with map view and detection pins
  • Full 20 kHz range with adaptive frequency labels
  • Frequency presets: Birding, Speech, Music, Full Range
  • Detection labels scroll to latest on new detection
  • Home screen widget for last detected sound
  • Improved dB level meter accuracy

Earlier

  • AI Sound Detection with compact and overlay display modes
  • Fundamental note detection (musical pitch)
  • 5 scientific colormaps: Inferno, Viridis, Magma, Plasma, Classic
  • Adaptive noise suppression (Auto & Manual modes)
  • 9 languages for UI and all 521 detection labels

Coming Soon

🐦

Bird Species ID

Identify 14,795 bird species by sound. AI cascade: YAMNet detects "Bird", then a specialized neural network identifies the exact species.

📊

Sound Level Meter

Calibrated dB meter with noise heatmap on the GPS map. See which areas are noisiest along your route.

🔄

Background Recording

Keep recording sounds and GPS data in the background with a foreground service. Never miss a detection.

Your Privacy

All audio is processed locally on your device. Optional recordings are saved on-device only — never uploaded or shared with anyone.

Full Privacy Policy →

Try SoundScope

Free on Google Play. No account required.

Get it on Google Play