dB Calc Pro

dB Calc Pro

Acoustic Math for Engineers

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$2.99

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Details

  • Released
  • Updated
  • September 21, 2014
  • January 5, 2026

Features

dB Calc Pro screenshot #1 for iPhone
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About

Precision Engineering for Acoustic Professionals dB Calc Pro is a specialized utility designed for acoustic engineers, environmental consultants, and sound technicians who require rapid, accurate, and field-ready decibel calculations. Moving beyond basic arithmetic, this app handles the complex logarithmic nature of sound with a suite of industry-standard formulas. Key Technical Capabilities: - Logarithmic Summation & Averaging: Effortlessly calculate the total energy sum or arithmetic mean of multiple sound pressure levels. - Background Noise Correction: Isolate target signal levels by subtracting interference and background noise using professional compensation algorithms. - Distance-Based Propagation: Predict sound reduction over distance from a point source in a free field, accounting for slant distance and height. - Enclosing Surface (Box Source) Analysis: Seamlessly convert between sound power level and sound pressure level based on the dimensions of a boxr-shaped surface. - Wizard-Style Entry: Minimize input errors with a structured, step-by-step entry system for complex multi-parameter calculations. Optimized for the Field: - Left-Handed Ergonomics: A dedicated mode that mirrors the interface, placing the numeric keypad on the left for comfortable one-handed operation. - Technical Precision: Results are formatted according to engineering standards, featuring scientific subscripts and precise units - Reference Guide: Integrated formula library for on-the-spot verification of acoustic principles.
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What's New in dB Calc Pro

3.1

January 5, 2026

- Safety Guardrails: Integrated input validation prevents physically impossible decibel entries (> 200 dB) while allowing for unrestricted distance and dimension inputs. - Adaptive Layouts: Bug fixed for large iPhone screens and landscape use with an "elastic" keypad and flexible UI components that prevent clipping.

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