波動 Hysteric Oscillator

Play tones and watch the waveform in real time. Control frequency, LPF, AM/FM modulation and more — for speaker checks, DIY audio circuits, and synthesizer basics.

Play test tones and watch the waveform change in real time — an oscillator experiment app for iPhone.

Control frequency, volume, panning, a low-pass filter, and AM / FM modulation right from your device. Whether you're checking a speaker, testing a DIY audio circuit, or learning synthesizer basics, this app covers it.

FEATURES

• Generate test tones and drone sounds
• See the waveform update in real time
• Fine-tune stereo panning
• Hear high-frequency rolloff with the low-pass filter
• Explore tremolo-like movement with AM modulation
• Explore vibrato-like pitch variation with FM modulation
• Hear interference and beating with two channels (Full Version)
• Save and recall settings as presets (Full Version)

GREAT FOR

• Quick checks for speakers, earphones, and amplifiers
• DIY effects pedal and audio circuit testing
• Learning synthesizer waveforms, filters, and modulation
• Classroom and workshop demonstrations
• Exploring drone tones, beating effects, and modulated sounds

FREE AND FULL VERSION The core oscillator and waveform display are completely free. Ad removal, two-channel mode, and preset saving are available as an in-app purchase.

PLEASE NOTE This app is designed for audio experiments and quick checks — not precision measurement. Always start at a low volume, and be especially careful when using earphones, headphones, or external speakers.