Audio Tone & Noise Generator
Synthesize pure audio frequencies (Sine, Square, Triangle) and calibrated noise (White, Pink, Brown) for speaker burn-in and room acoustic testing.
Technical Metrics & Telemetry
Output Master Volume
How to Use This Tool
STEP 1
Select Sound Waveform
Choose between pure Sine tones,
rich harmonics (Triangle/Square), or acoustic noise (White/Pink/Brown).
STEP 2
Tune Target Frequency
Drag the frequency slider or type
an exact frequency in Hz (e.g. 440 Hz for instrument tuning).
STEP 3
Press Play Tone
Start sound generation and
carefully adjust the master volume slider.
Frequently Asked Questions
What is Pink Noise used for?
Pink noise contains equal energy per octave. Audio engineers use it to calibrate studio monitors and
flatten room acoustics with a real-time analyzer (RTA).
How does this help burn in new headphones?
Playing moderate-volume pink noise or sweeps for 10-20 hours helps loosen the diaphragm suspension of
brand new high-end dynamic headphones.
Can sound frequencies help with tinnitus?
Many tinnitus sufferers use gentle pink noise or brown noise to mask ear ringing and promote relaxation or
sleep.
What is 440 Hz?
440 Hz is the standard pitch standard known as 'Concert A' (A4) used worldwide for tuning musical
instruments.