ToneLab Generator
Professional Audio Signal Generator for Android
The ultimate audio toolkit with 9 distinct modes, frequencies from 20Hz to 20kHz, 7 noise colors, real-time spectrum analysis, and WAV export. Perfect for audio testing, sound therapy, instrument tuning, and relaxation.
Features
9 Audio Modes
Tone, Noise, Dual Tone, Binaural, Sweep, DTMF, Isochronic, Modulation, and PWM modes.
Full Frequency Range
Generate any frequency from 20Hz to 20,000Hz covering the entire human hearing range.
4 Waveforms
Sine, Square, Triangle, and Sawtooth waveforms for different sound characteristics.
7 Noise Colors
White, Pink, Brown, Blue, Violet, Grey, and Velvet noise for every application.
Real-time Spectrum
Live waveform and FFT spectrum analyzer with linear/logarithmic scale options.
WAV Export
Export generated audio to WAV files up to 1 hour at 44.1kHz, 16-bit quality.
Sleep Timer
Auto-stop after set duration or at specific time with smooth fade-out.
Musical Notes
Piano keyboard interface for selecting precise musical frequencies.
Presets
Save your favorite settings as presets for quick recall and easy access.
Background Playback
Audio continues when minimized or screen is locked.
Audio Modes
🎵 Tone Mode
Generate pure tones with precise frequency control:
- 20Hz - 20kHz range
- 4 waveform types
- ±1 Hz fine-tuning
- Direct frequency input
🔊 Noise Mode
Seven types of colored noise:
- White: Equal energy, static sound
- Pink: Natural, rain-like
- Brown: Deep rumble
- Blue/Violet/Grey/Velvet
🎚️ Dual Tone
Mix two frequencies simultaneously:
- Independent waveform selection
- Adjustable mix ratio
- Create harmonics and intervals
🎧 Binaural
Stereo binaural beat generator:
- Base frequency control
- Beat frequency adjustment
- Brainwave entrainment
- Requires headphones
📈 Sweep
Automated frequency sweeps:
- Configurable start/end frequencies
- Adjustable duration
- One-way and ping-pong modes
- Speaker testing
📞 DTMF
Dual-Tone Multi-Frequency:
- Phone-style keypad (0-9, *, #, A-D)
- Standard telephone dial tones
- Automatic dual-frequency per key
⚡ Isochronic
Pulsing tone generator:
- Rhythmic on/off pulsing
- 1-40 Hz pulse rate
- Works without headphones
- Brainwave entrainment
〰️ Modulation
LFO-modulated tones:
- AM, FM, PM modulation types
- 0.1 - 100 Hz LFO range
- Adjustable modulation depth
- Dynamic, evolving sounds
⬜ PWM
Pulse Width Modulation:
- Configurable duty cycle
- 1 or 2 channel support
- Control signal generation
- Technical applications
Screenshots
Real-time Spectrum Analyzer
Live Waveform Display
Save & Load Presets
Export to WAV File
Sleep Timer
Play Controls & Export
Use Cases
🔈 Audio Testing
Test speaker and headphone frequency response with sweeps and individual tones.
🎸 Instrument Tuning
Generate reference tones (A4 = 440 Hz) for precise instrument tuning.
👂 Hearing Tests
Check your hearing range across the full audible spectrum from 20Hz to 20kHz.
😴 Sleep Aid
Use pink, brown, or velvet noise to create a soothing environment for sleep.
🧘 Meditation
Binaural beats and isochronic tones for relaxation and focused mental states.
📚 Focus & Study
Background noise improves concentration and productivity during work or study.
💧 Water Ejection
Low frequency tones to help eject water from phone speakers.
🩺 Tinnitus Relief
Mask ringing with noise or find relief frequencies with precise tone control.
Technical Specifications
⚠️ Hearing Safety
Important: Listening to tones at high volumes can cause permanent hearing damage.
- Always start at a low volume and increase gradually
- Do not use with headphones at high volume for extended periods
- Take regular breaks when using for extended sessions
- If you experience discomfort, stop immediately
Download Now
Get ToneLab Generator free on Google Play
▶ Get it on Google PlayFree with ads • Android 6.0+