N-Signal / FFT Sound Analyzer

kyu il jung · Utilities

5.0 2 ratings Free

Chart standing · US

Not currently charting in this storefront.

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 100% 2
4★ 0% 0
3★ 0% 0
2★ 0% 0
1★ 0% 0

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About

N-Signal helps you visualize sound in real time. It measures sound pressure (dBSPL) and analyzes digital frequency levels (dBFS) with precision. Helpful for adjusting PA systems, testing stage sound, or improving room acoustics — whether in studios, churches, or classrooms. * Key Features - Real-time audio spectrum with FFT analysis - dB SPL sound pressure level meter (mic input) - Digital frequency analyzer (dBFS scale) - Smooth graph motion optimized for live performance - Supports dark modes - Designed for musicians, engineers, and sound enthusiasts N-Signal isn’t a laboratory-grade instrument, but a reliable audio reference tool for daily sound checks and education.

What's new · 1.1.0

What's New in v1.1.0 Real-time Peak Frequency Display - See the dominant frequency at a glance with a live marker on the spectrum graph - Smart peak tracking prevents label flickering in noisy environments - Frequency shown with "≈" symbol to indicate approximation Improved Low-Frequency Accuracy - Enhanced FFT processing now measures down to 20Hz (previously 23Hz) - More accurate energy distribution across frequency bands Visual Refinements - Cleaner spectrum display with uniform floor level - Smoother curves in the low-frequency range

Details

Developerkyu il jung
ReleasedNov 2025
UpdatedJan 2026
Version1.1.0
Size33.9 MB
RequiresiOS 13.0 or later
Age rating9+
LanguagesArabic, Chinese, Croatian, English, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Malay, Polish, Portuguese, Russian, Spanish, Thai, Turkish, Ukrainian, Vietnamese
PriceFree
Categories UtilitiesMusic
Bundle IDcom.jcmeek.nsignal