Signal Generator: Audio Test Tone Utility for iOS

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Developer’s Description

Signal Generator is an app that produces audio test tones. The basic app produces sine waves, and it can be extended and customized (via in-app...

Signal Generator is an app that produces audio test tones. The basic app produces sine waves, and it can be extended and customized (via in-app purchases) to produce white noise, pink noise, frequency sweeps, and (on iPhone 4 and better) square waves, sawtooth waves, and triangle waves. Tone Generator. The basic app includes a sine wave generator that generates signals from 20 Hz to 20 kHz, with a 44.1 kHz sample rate, 16-bit samples, and 96 dB of dynamic range. Frequency control via logarithmic knob or keyboard input. Pro Tone Generator. (Optional in-app purchase). Extends the frequency range down to 1 Hz, and adds stereo control and buttons to increment the frequency in steps. On iPhone 4 and better, alias-reduced classic waveforms are available. Square waves, sawtooth waves, and triangle waves are generated with aliasing kept to -54 dB or less. Noise Generator. (Optional in-app purchase). Produces white noise, pink noise, and brown noise. Pink noise falls off at 3 dB per octave (1 dB). Brown noise falls off at 6 dB per octave. Frequency Sweeps. (Optional in-app purchase). Adjustable start and stop frequencies. Linear or logarithmic sine wave frequency sweeps. Single shot sweeps, repeating upward sweeps, and upward/downward sweeps.This app can be used to: Test Speakers and Headphones Balance your Home Theater System Tune Your Car Audio System Mask Environmental Noise Burn In Headphones Tune Musical Instruments