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Studio Six Digital - FFT
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High-resolution Audio Analysis Tool

Model: FFT

  • FFT size from 4096 to 32k (on newer iOS devices)
  • Difference mode to compare 2 graphs
  • Peak frequency readout in real time
  • Signal generator can generate sine waves, square waves, white noise, and pink noise
  • Cursor move your finger across the screen to get a cursor to read out exact dB levels and frequencies
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Tech Specs
FFT is a high-resolution audio analysis tool available as an in-app purchase in AudioTools. It uses the Fast Fourier Transform (see below) to analyze incoming audio, and displays a very detailed graph of amplitude vs. frequency. This application has been designed for acoustics work, and so the FFT bins have been normalized to octaves, to get a display that will show a flat line for pink noise. You can control both the level of graph smoothing and decay time, to get as much or as little detail as you require.
  • FFT size from 4096 to 32k (on newer iOS devices)
  • Difference mode to compare 2 graphs
  • Peak frequency readout in real time
  • Signal generator can generate sine waves, square waves, white noise, and pink noise
  • Cursor move your finger across the screen to get a cursor to read out exact dB levels and frequencies
  • Touch-GUI use pinch gestures to scale the graph and zoom in on frequencies
  • Double-tap to normalize the graph to full range, and fit the entire graph on the screen
  • Both full range (20-20kHz) and low range (5Hz to 3100Hz) are available
  • Overall dB display
  • Save the graph image to your photo roll to include in a report
  • Export the data in XLS format
  • FFT windowing available
 
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