# Sound Spectrum Pro

> The complete sound package

Canonical page: [https://chrome-stats.com/d/id1632089486](https://chrome-stats.com/d/id1632089486)

## Overview

- **ID:** `id1632089486`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Calin Andrian Albescu
- **Category:** Music
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 2.0.6
- **Last updated:** 2023-07-01
- **First published:** 2022-07-03
- **Size:** 1.09 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sound-spectrum-pro/id1632089486)
- **Website:** [https://www.lindentree.eu/](https://www.lindentree.eu/)
- **Privacy policy:** [https://www.lindentree.eu/sounds.php#privacy](https://www.lindentree.eu/sounds.php#privacy)

## Description

RTA (Real-Time Analyzer), FFT (amplitude display driven by Fast Fourier Transform), calibration, signal generators...

Everything is included, bundled in a friendly interface with many on-screen controls and smooth real-time display.

== Features ==

+ FFT (amplitude) and RTA (octave, 1/3 octave, ... down to 1/24 octave).
+ Sound pressure level dBA, dBC, and dBZ.
+ Noise Criterion and Noise Rating in octave RTA.
+ Equivalent continuous sound level LAeq, LCeq, LZeq, LAeq15, LAeq60.
+ Impulse response and RT60 measurement.
+ Large font SPL + LEQ meter.
+ THD+N Total Harmonic Distortion plus Noise 
+ Lightning-fast FFT with size from 16k to 1M, providing frequency resolution of 0.05Hz directly and 0.01Hz with downsampling.
+ Sample rate of 48kHz, if supported by the device.
+ Many window functions to choose from.
+ Peak and valley hold with adjustable decay.
+ Highest peak display
+ Adjustable exponential smoothing.
+ Easy pan (drag) and zoom (pinch).
+ Measurement cursors, also used for setting frequency of signal generators.
+ File load/save and full calibration capability, for accurate SPL readings.
+ Signal generators: tone, white noise, white sweep, pink noise, pink sweep, pink octave, pink 1/3 octave.
+ Synchronous measurement mode (including frequency sweep) for clean and fast spectrum analysis.
+ Loopback mode to try out signal generators and window functions.
+ No ads!

## Rankings

- #845,763 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1632089486)