Audio Spectrum by Pawel Krzywdzinski (Universal)
(14)
Released: Aug 29, 2014
Version: 2.7
Size: 3 MB
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Ranking - Music (iPhone)

Ranking - Music (iPad)

Audio Spectrum

Pawel Krzywdzinski
Screenshot #1 (iPhone)
Audio Spectrum is a real-time FFT spectrum analyzer. It gives you a visual representation of an acoustic signal. It can be used to measure the frequency response of audio equipment or to analyze different sounds (e.g. sounds of musical instruments).

Features

- Spectrum analyzer
- SPL Meter (dBFS)
- Fast real-time response
- Sampling rates: 44.1kHz, 48kHz, 96kHz*
- Fast Fourier Transform (FFT)
- Window sizes: 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536
- Zoom and pan
- Measure values
- Audio input can be supplied via the built-in microphone and an external microphone (via the USB camera adapter or through the iPhone/iPad dock connector – Core Audio compliant devices)
- Sharing charts (through mail, social networks, clipboard)
- Exporting image charts (png) to the iOS 11 Document Browser (supports iCloud)
- Frequency scale: linear and logarithmic
- Amplitude scale: linear and logarithmic SPL/RMS (dBFS)
- SPL meter weighting: dBZ - linear


*For 96kHz analysis use an external microphone with such capabilities through a USB camera adapter or through the iPhone/iPad dock connector.

What's new in version 2.7
- iOS 13 Dark Mode
- bug fixes
Our verdict: Great!
  • + Audio Spectrum is a highly rated app (5-star).
  • + The app is currently free, instead of its regular price of $4.99.
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