Hear the response.
Measure the material.

A focused acoustic-analysis workspace for wooden soundboards, built around repeatable impact capture and clear material calculations.

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ILLUSTRATIVE INTERFACE PREVIEW

FY 72.4FX 164.8

DOMINANT FY72.4 HzDOMINANT FX164.8 HzVALID HITS09 / 09

SAMPLE RATE44.1 kHzFFT WINDOW16,384CAPTURE SET9 impactsANALYSIS VIEW0–1000 Hz

01 / THE WORKFLOW

From tap to result, without leaving the workspace.

Capture the response

Use the device microphone to listen to physical impacts on a wood sample. An adaptive threshold separates impacts from the surrounding noise floor.

Find stable modes

A Blackman–Harris-windowed FFT identifies candidate peaks. Repeated captures are clustered to establish robust dominant Fy and Fx frequencies.

Add the sample

Enter longitudinal and transverse length, thickness, and mass in the measurement workspace.

Review and keep

Calculate density, directional elasticity, their ratio, and specific values. Save records locally and export a human-readable TXT file when needed.

02 / BUILT FOR THE MEASUREMENT

Signal processing with a practical endpoint.

Each technical step exists to make a real acoustic comparison easier to capture, inspect, and revisit.

Live spectrum

A 50-bin view shows fast and held energy across the 0–1000 Hz display range, with the live peak marked.

Impact-aware capture

Five weighted frames follow each valid impact, while a 500 ms cooldown keeps events distinct.

Robust frequencies

Repeated mode estimates are grouped by proximity; dominant clusters are summarized with mean, median, or trimmed mean logic.

Local measurement library

Records include frequencies, dimensions, results, and hit history in JSON, CSV, and TXT formats on the device.

DEVICE & PRIVACY

Designed for iPhone and iPad

SoundBoard Pro uses a landscape interface on iPhone and iPad. The main app supports iOS 13 and later; its optional home-screen widget is available on iOS 17 and later.

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LANGUAGES

Five interface languages

The current application includes English, Turkish, Spanish, Italian, and Arabic, including right-to-left interface support.

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SOUNDBOARD PRO

Hear the response.Measure the material.