🎵 Tone Generator & Visualizer is a powerful, high-precision audio test tool for generating pure tones, visualizing waveforms, and analyzing sound signals in real time. Whether you’re an engineer, musician, developer, student, or just a curious user — this app is your portable tone generator and signal analyzer.

⚙️ Key Features:
✅ Generate multiple tones simultaneously
✅ Choose from 4 waveform types: sine wave, square wave, triangle, and sawtooth
✅ Full frequency control (Hz) and volume adjustment per tone
✅ Real-time waveform visualizer – see exactly what you hear
✅ Combine multiple signals into one composite waveform
✅ Frequency range: from 20 Hz (bass) up to 22,000 Hz (ultrasonic)
✅ Accurate signal generation with low latency and high stability
✅ Optimized for phones and tablets – clean, responsive UI
✅ Works offline – no internet required

🔍 Perfect for:
🎧 Audio testing of headphones, speakers, amplifiers, and microphones
🎸 Tuning musical instruments using precise test tones
📊 Frequency response measurement and acoustic calibration
🔧 Signal testing in audio hardware, electronics, or embedded systems
🧪 Educational experiments in physics, sound, and acoustics
🎮 App or game developers testing audio output
📡 Creating test tones for spectrum analysis or lab simulations

✅ Why this tone generator?
Professional-grade signal generator in your pocket

Built-in audio waveform visualizer (oscilloscope style)

Clean UI and easy controls for quick setup

Useful for both creative sound design and technical diagnostics

Trusted by engineers, technicians, educators, and audiophiles

📈 Highly discoverable with built-in search keywords:
Tone generator, frequency generator, audio test, signal generator, waveform visualizer, sound analyzer, Hz tone tool, sine wave, square wave, audio calibration, sound tool, oscilloscope app, test tone generator, mobile signal tester.

📲 Download Tone Generator & Visualizer today — your all-in-one audio signal generator, frequency test tool, and waveform visualizer for accurate sound analysis and tone creation on Android.