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Zero Frequency

Zero Frequency is a tone generator (sine wave and square wave) and minimal signal analyzer with fancy user interface for android.<br>The main purpose of Zero Frequency is to search and play resonance frequencies.<br>This app is not intended for professional use.<br>Zero frequency cannot generate frequencies in infrasound range or ultrasonic range due to device hardware limitations.<br><br>Tone generator: setup frequency,time and waveform. Make sure frequency is less then half samplerate. The maximum time depends on device memory.<br>Frequency analyzer: click R or use app menu to open frequency analyzer.<br>The app is free and have no ads or annoying banners.