Generate sine waves, square waves (within limits), white noise, and pink noise, optionally in psuedo-balanced mode. The signal generator appears as a heads-up display when you tap the icon, so you can see the graph while you adjust the generator. Included in this app is the engine from our Generator app, which is a low-distortion, artifact-free signal generator. You can also control the dB resolution of the graph, as well as the frequency range that is displayed. You can control both the level of graph smoothing and decay time, to get as much or as little detail as you require. This application has been designed for acoustics work, and so the bins have been normalized to octaves, to get a display that will show a flat line for pink noise. Use this app with the built-in iOS device microphone, or upgrade to our iAudioInterface2 or iTestMic for a complete professional solution. It uses the Fast Fourier Transform to analyze incoming audio, and displays a very detailed graph of amplitude vs. FFT is a high-resolution audio analysis tool for the iPhone and iPod touch.
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