Online Tone Generator & Binaural Studio
Generate pure sine, square, triangle, and sawtooth acoustic frequencies from 20 Hz to 20,000 Hz. Calibrate studio monitors, test hearing thresholds, and synthesize binaural beat states in browser.
Put on headphones. Pitch separation between left and right ears induces cognitive entrainment states (e.g. 4 Hz Theta for deep meditation, 10 Hz Alpha for focused coding).
In-Browser Audio Synthesis & Frequency Testing
This generator synthesizes sound directly inside your browser through the native W3C Web Audio API. Instead of streaming audio files across the internet, your device creates raw mathematical waveform oscillations in hardware sound buffers. This guarantees zero compression artifacts, immediate pitch response, and continuous playback without buffering interruptions.
Acoustic Room Tuning
Sweep sub-bass frequencies from 20 Hz to 120 Hz to locate standing waves, room resonance nulls, and loose cabinet rattles in monitoring environments.
Binaural Channel Separation
Route slightly offset frequencies independently to left and right stereo channels using discrete ChannelMergerNode channels to test stereo headphone imaging.
Harmonic Saturation Checks
Switch from pure sine waves to square and sawtooth profiles to inject odd and even harmonic overtones for checking amplifier linearity and driver clipping limits.
Frequently Asked Questions
How are tones generated without audio files?
The application commands your browser's audio hardware to generate periodic voltage signals using oscillator nodes. No audio streams are downloaded from external servers.
Why does high-frequency audio sound quiet or inaudible?
Human hearing sensitivity drops sharply above 14 kHz, and laptop or phone speakers frequently filter out frequencies below 80 Hz and above 16 kHz to prevent driver damage.
Is any audio stream sent over the network?
No. All audio generation happens 100% locally in your browser memory and hardware audio pipeline. Zero audio data is recorded or transmitted.
Ubify Core Engineering Team
SOFTWARE ENGINEERS & SYSTEMS ARCHITECTS