Background masking
A broad, steady hiss can make certain quiet, unpredictable sounds less prominent. It adds sound; it is not the same as active noise cancellation.
Noise masking collectionHear the bright, even “shhh” texture of original White Noise. This page focuses on the sound itself, its spectral characteristics, and comparison; for the full multi-sound listening machine and mixes, visit the WhiteNoiseChoir homepage.
Press Play to start. Nothing plays automatically.
On supported browsers, use the shared player for Volume, Sleep Timer and Dark Screen, and keep listening between pages. Without JavaScript, the native MP3 controls remain available.
Switch between three independent master files without leaving this page. The same audio engine stays active while the track changes; your selected timer deadline is preserved.
The masters are not loudness-matched: White -22.3 LUFS, Pink -23.6 LUFS, Brown -27.8 LUFS. Equal volume percentages do not mean equal perceived loudness; adjust down before switching as needed.
Read the individual guides: Pink Noise · Brown Noise.
In an idealized White Noise signal, power spectral density is roughly constant per hertz. A band from 4–8 kHz therefore contains more total energy than the 1–2 kHz band, because the higher band spans more individual frequencies. Pink Noise is different: it allocates roughly equal energy to each octave. This difference helps explain White Noise's stronger hiss.
Real MP3 audio and playback hardware have a finite bandwidth. “Flat” describes the master’s measured power distribution over the tested frequency range, not a guarantee of an acoustically flat output at your ear.
A broad, steady hiss can make certain quiet, unpredictable sounds less prominent. It adds sound; it is not the same as active noise cancellation.
Noise masking collectionSome people choose a steady background at bedtime. Others find White Noise too bright and prefer softer Pink or Brown Noise. There is no guaranteed sleep effect.
Sleep sound collectionContinuous noise can serve as an alternative to music with lyrics or variable soundscapes. Choose only what helps you focus at comfortable levels.
Focus soundsThe file is independently generated full-length DSP noise from WhiteNoiseChoir, not a short clip copied and repeated to reach ten minutes. The sound is distinct from rain, ventilation, waves or speech. The continuous player reuses the ten-minute master when listening longer.
White Noise has nearly constant power per hertz in its ideal model; Pink Noise has power that declines roughly as 1/f, so it contains proportionally less high-frequency energy and generally sounds softer.
No. A speaker or headphone’s own frequency response and playback volume change what you hear, especially at the low and high ends. The file’s spectral measurement does not measure your device’s acoustic output.
No. Ten minutes refers to the independent source master. The player loops that master or uses native multi-cycle HLS, continuing until stopped, timer expiry or a device interruption.
It may provide a consistent background that some listeners prefer, but responses vary. It does not guarantee better sleep or attention, and it should not replace appropriate medical guidance or hearing protection.
Open the WhiteNoiseChoir online sound machine to choose among all current sources and mixes. This page is dedicated to the original White Noise source and its characteristics.
Lower treble energy, softer broadband background.
Original 10-minute masterBrown NoiseA deeper rumble weighted toward bass.
Original 10-minute masterSoft White NoiseAn owner-approved independent ten-minute filtered master.
Audio approved · page editorial review pendingOnline sound machine · Noise Colors library · All sound pages