Signal Generator - Tone Audio

PROFESSIONAL AUDIO SIGNAL GENERATION

Signal Generator transforms your iPhone and iPad into a professional-grade audio signal generator. Create laboratory-accurate sine waves, square waves, white noise, and pink noise from 20Hz to 20kHz with precision and reliability.

Whether you are an audio engineer testing speakers, a musician tuning instruments, a sound technician calibrating equipment, or a home theater enthusiast optimizing your setup, Signal Generator delivers the accuracy you need.

PRECISION WAVEFORMS

Generate four essential waveform types with laboratory accuracy:

- Sine Wave: Pure tonal frequencies for precise audio testing
- Square Wave: Rich harmonic content for equipment testing
- White Noise: Full spectrum noise for acoustic analysis
- Pink Noise: Balanced spectrum for room calibration and speaker testing

INTUITIVE FREQUENCY CONTROL

Navigate the entire audible spectrum with smooth, glitch-free control:

- Frequency Range: 20Hz to 20,000Hz
- Three Resolution Modes: Octave, 1/3 Octave, and Fine (1Hz steps)
- Direct Entry: Tap to enter any exact frequency
- Smooth Transitions: No clicks or pops when changing frequencies

PROFESSIONAL FEATURES

- Channel Routing: Output to stereo, left only, right only, or inverted right for pseudo-balanced testing
- Wobble Mode: Warble-tone generation for acoustic measurements and room analysis
- Octave Band Noise: Band-limited pink and white noise for targeted frequency testing
- Background Audio: Continue signal generation while using other apps
- Soft Mute: Gentle fade to prevent speaker damage from sudden stops

REAL-TIME VISUALIZATION

Watch your waveforms come to life with a real-time oscilloscope display. See exactly what signal is being generated and verify your output visually.

SAVE YOUR SETTINGS

Create and save unlimited presets for quick access to your most-used configurations. Perfect for standardized testing procedures or frequently used calibration tones.

COMMON USES

- Speaker Testing: Verify frequency response of speakers and headphones
- Subwoofer Calibration: Find the perfect crossover point with precise low-frequency tones
- Room Acoustics: Identify standing waves and room modes
- Hearing Tests: Generate specific frequencies for audiometric testing
- Instrument Tuning: Create reference pitches for tuning
- Audio Equipment Testing: Verify signal path and equipment performance
- Sound System Calibration: Balance levels across frequency spectrum
- Education: Demonstrate audio principles in classroom settings

TECHNICAL SPECIFICATIONS

- Sample Rate: 44.1kHz
- Frequency Range: 20Hz - 20,000Hz
- Frequency Accuracy: Laboratory grade
- Waveform Types: Sine, Square, White Noise, Pink Noise
- Noise Filtering: ANSI/IEC compliant octave band filters
- Channel Modes: Stereo, Left, Right, Inverted Right

DESIGNED FOR PROFESSIONALS

Signal Generator is built by audio professionals for audio professionals. No advertisements. No subscriptions. No internet connection required. Just pure, accurate signal generation when you need it.

Download Signal Generator today and experience professional audio testing on your iOS device.

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