When people first encounter NullField Lab, a common question arises: "How is this different from a white noise machine?" It's an understandable confusion—both involve audio, both relate to environmental interference, and both claim to help with focus or relaxation.
However, this comparison fundamentally misunderstands what each technology does. NullField Lab and white noise machines operate in completely different sensory domains, address entirely different problems, and work through opposite mechanisms.
This article provides a detailed technical comparison, explaining why these technologies are not competitors but complementary tools that can even be used simultaneously without interference.
Core Distinction: NullField Lab compensates for electromagnetic field interference affecting neural oscillations. White noise machines mask acoustic disturbances affecting auditory perception. One addresses invisible EM pollution, the other addresses audible sound pollution.
Fundamental Differences at a Glance
| Dimension | NullField Lab | White Noise Machine |
|---|---|---|
| Domain | Electromagnetic field (non-audible) | Acoustic sound waves (audible) |
| Target Problem | 50/60 Hz power grid EMF interference | Environmental noise distraction |
| Mechanism | Active compensation (frequency adjustment) | Passive masking (sound covering sound) |
| Sensory System | Neural oscillations / magnetoreception | Auditory system / cochlea |
| Output Signal | Precise frequency tones (40 Hz, 10 Hz, etc.) | Broadband noise (all frequencies simultaneously) |
| Measurement Method | Magnetometer (Hall effect sensor) | Microphone (sound level meter) |
| Primary Use Case | Brainwave entrainment stability | Focus by reducing acoustic distraction |
| Can Be Used Together? | ✅ Yes - No interference between domains | |
Electromagnetic Fields vs. Sound Waves
To understand why NullField Lab and white noise machines are fundamentally different, we must first understand the physics of what they address:
Electromagnetic Fields (NullField Lab)
What Are EM Fields?
Electromagnetic fields are produced by electrical current flow in power lines, wiring, and electronic devices. Key characteristics:
- Frequency: 50 Hz (Europe/Asia/Australia) or 60 Hz (Americas) from AC power grids
- Detection: Not directly perceivable by human senses; requires magnetometer instruments
- Propagation: Radiates from all current-carrying conductors; intensity follows inverse-square law (weakens with distance)
- Biological interaction: Potentially affects neural oscillations, circadian rhythms, and cryptochrome proteins in retinas1,2
- Wavelength: ~6,000 km (50 Hz) - vastly larger than room dimensions, creating uniform fields
- Shielding: Difficult to block; requires conductive Faraday cages or active cancellation
Critical point: EM fields are invisible and inaudible. You cannot hear, see, or consciously feel 50/60 Hz magnetic fields, but they measurably exist and permeate all indoor environments.
Sound Waves (White Noise Machines)
What Is Sound?
Sound consists of pressure waves traveling through air. White noise is a specific type of sound with equal power across all audible frequencies. Key characteristics:
- Frequency range: 20 Hz - 20,000 Hz (audible spectrum for humans)
- Detection: Directly heard via cochlea in the inner ear
- Propagation: Requires physical medium (air, water, solids); travels at ~343 m/s at sea level
- Biological interaction: Stimulates hair cells in cochlea, processed by auditory cortex
- Wavelength: 1.7 cm (20 kHz) to 17 meters (20 Hz) - comparable to room dimensions, creating reflections and standing waves
- Shielding: Relatively easy; soundproofing materials, closed doors, distance attenuation
Critical point: Sound is audible and consciously perceived. White noise is specifically designed to be heard, masking other sounds through acoustic interference.
Electromagnetic Domain
- Magnetic field oscillations
- Invisible and inaudible
- Permeates walls and objects
- May affect neural oscillations
- Measured in Tesla or Gauss
Acoustic Domain
- Air pressure oscillations
- Audible and perceivable
- Blocked by barriers
- Affects auditory perception
- Measured in decibels (dB SPL)
Why this matters: These are not just different technologies—they operate in fundamentally different physical domains. Asking "Which is better?" is like asking whether a flashlight or a radio is better: they serve completely different purposes.
Mechanism Comparison: Compensation vs. Masking
Beyond operating in different domains, NullField Lab and white noise machines use opposite strategic approaches to addressing environmental interference:
NullField Lab: Active Compensation
The Compensation Strategy
Problem: Power grid operates at 50.00 Hz (nominal), but actual frequency varies in real-time (50.02 Hz, 49.98 Hz, etc.) due to supply-demand imbalances.3
Issue for brainwave entrainment: If you want to entrain brain waves at 40 Hz (gamma) using binaural beats or isochronic tones, and you output a fixed 90 Hz tone expecting it to beat against the 50 Hz grid to produce 40 Hz, but the grid is actually at 50.14 Hz, you get:
90.00 Hz (your tone) - 50.14 Hz (actual grid) = 39.86 Hz
You're missing your target by 0.14 Hz, which compounds over time into phase drift and unstable entrainment.
NullField Lab's solution:
- Real-time detection: Magnetometer continuously measures actual grid frequency (using DSP algorithms with 0.01 Hz precision)
- Dynamic adjustment: Output frequency is automatically adjusted to compensate: If grid is 50.14 Hz and target is 40 Hz offset, output becomes 90.14 Hz
- Stable interference beat: 90.14 Hz - 50.14 Hz = 40.00 Hz (exact target maintained despite grid variation)
This is active compensation—continuously tracking the interference source and adjusting output to maintain stable results despite environmental variations.
White Noise Machines: Passive Masking
The Masking Strategy
Problem: Environmental sounds (conversations, traffic, appliances) create acoustic distractions that disrupt concentration or sleep.
Issue for focus: The brain's attention system is automatically captured by sudden or irregular sounds. Silence is often not the optimal solution because any sound becomes noticeable against silent background.
White noise solution:
- Broadband sound generation: Produce equal-intensity sound across all audible frequencies (20 Hz - 20 kHz)
- Acoustic masking effect: The white noise raises the ambient sound floor, making quieter sounds imperceptible and louder sounds less prominent by comparison4
- Attentional smoothing: Continuous, predictable sound (unlike sudden irregular noises) doesn't trigger attention-capture mechanisms
This is passive masking—adding a continuous sound blanket that reduces the perceptual salience of other sounds without eliminating them or adapting to them.
Active vs. Passive: The Fundamental Strategic Difference
| Characteristic | Active Compensation (NullField) | Passive Masking (White Noise) |
|---|---|---|
| Adaptation | Continuously measures and adjusts to environment | Fixed output regardless of environmental changes |
| Relationship to interference | Tracks and compensates for specific interference source | Ignores interference; covers with louder signal |
| Precision | Requires high precision (±0.01 Hz frequency tracking) | Precision irrelevant (broadband noise) |
| Energy efficiency | Can use minimal amplitude (just enough for beat perception) | Requires moderate-to-high amplitude to mask other sounds |
| Sensor requirement | Yes - magnetometer essential for detection | No - no measurement of environment needed |
Problems Solved: Non-Overlapping Use Cases
Because these technologies operate in different domains with different mechanisms, they address entirely different problems:
Problems NullField Lab Solves
Electromagnetic Interference in Brainwave Entrainment
- Unstable binaural beats: When grid frequency drifts, beat frequency drifts proportionally
- Interference with gamma entrainment: 40 Hz gamma protocols are directly disrupted by 50/60 Hz grid interference due to proximity in frequency
- Phase coherence degradation: Long-duration meditation or focus sessions accumulate phase errors without real-time compensation
- Circadian rhythm disruption: EMF exposure from power grids may affect melatonin production and circadian clock genes5,6
- Magnetoreception interference: Cryptochrome proteins involved in circadian regulation may be affected by artificial EM fields7
Who benefits: Biohackers using brainwave entrainment, chronobiology researchers, individuals sensitive to EMF, meditation practitioners seeking precise neural state control.
Problems White Noise Machines Solve
Acoustic Distraction and Sleep Disruption
- Environmental noise distraction: Conversations, traffic, neighbor activity disrupting concentration
- Sleep onset difficulty: Irregular sounds preventing transition to sleep
- Sleep maintenance: Sudden noises causing awakenings throughout the night
- Tinnitus masking: Covering perception of tinnitus (ringing in ears) with external sound8
- Privacy enhancement: Preventing conversation eavesdropping by masking speech intelligibility
Who benefits: Light sleepers, people in noisy environments, tinnitus sufferers, office workers in open plans, anyone needing acoustic privacy.
What White Noise CANNOT Do
Critical misconception: White noise machines do NOT address electromagnetic field interference because sound waves and EM fields are different physical phenomena.
- No EM compensation: Playing broadband noise does not cancel, mask, or compensate for 50/60 Hz magnetic fields
- No frequency precision: White noise contains all frequencies simultaneously; cannot produce stable beat frequencies with grid interference
- No brainwave entrainment precision: While rhythmic sounds can entrain brain waves, white noise is explicitly non-rhythmic
Attempting to use white noise for EMF-related issues is a category error—like trying to use sunglasses to block radio waves.
What NullField Lab CANNOT Do
Equally important: NullField Lab does NOT address acoustic noise or environmental sound distractions.
- No acoustic masking: The tones produced (40 Hz, 10 Hz, etc.) are specific frequencies, not broadband masking sounds
- Won't block conversation noise: You can still hear people talking, doors closing, traffic, etc.
- Not a sleep sound machine: The tones are designed for brainwave entrainment, not auditory masking comfort
Attempting to use NullField Lab for acoustic noise problems is equally a category error.
Evidence Base Comparison
Both technologies rest on different scientific foundations with different levels of evidence maturity:
White Noise Machines: Well-Established Evidence
Robust Research Base
Acoustic masking with white noise has decades of peer-reviewed research:
- Sleep improvement: Multiple randomized controlled trials show white noise improves sleep onset latency and reduces nighttime awakenings in noisy environments9,10
- Focus enhancement: Studies demonstrate reduced distraction and improved task performance in presence of white noise vs. unpredictable environmental sounds11
- Tinnitus management: Sound therapy using white noise is an established clinical intervention for tinnitus, with evidence-based protocols12
- Mechanism understanding: The psychoacoustic principles of masking are well-characterized through auditory science research13
Evidence quality: High. Meta-analyses support efficacy for acoustic distraction and sleep enhancement. FDA-cleared medical devices exist for tinnitus treatment.
NullField Lab: Emerging Research Domain
Novel Approach with Theoretical Foundations
EMF compensation for brainwave entrainment is a new research area building on several established fields:
- Brainwave entrainment: Audio-visual entrainment effects on EEG are documented, though clinical applications remain experimental14,15
- EMF biological effects: Research shows ELF-EMF (extremely low frequency electromagnetic fields) can affect neural oscillations and circadian rhythms16,17
- Magnetoreception: Cryptochrome-based magnetic field sensing is proven in animals; evidence emerging in humans18,19
- Frequency precision importance: Studies of binaural beats show frequency-specific effects, highlighting need for precision in entrainment protocols20
Evidence quality: Moderate-to-low for specific compensation approach (novel application), but builds on established phenomena in related domains. This is a research tool for personal experimentation, not validated medical intervention.
Different Evidence Standards for Different Purposes
| Evidence Type | White Noise (Acoustic Masking) | NullField Lab (EMF Compensation) |
|---|---|---|
| Primary mechanism | ✅ Well-established (psychoacoustics) | ⚠️ Theoretical (magnetoreception + entrainment) |
| Randomized controlled trials | ✅ Multiple RCTs for sleep and focus | ❌ None yet for specific compensation approach |
| FDA/regulatory approval | ✅ Cleared for tinnitus management | ❌ Not medical device; research tool only |
| Commercial availability | ✅ Widely available for decades | ✅ Available as open-source PWA |
| Safety profile | ✅ Well-characterized; main risk is hearing damage from excessive volume | ✅ Similar audio safety profile; no novel risks beyond standard audio exposure |
| Recommended use | General population for proven benefits | Biohackers/researchers for self-experimentation |
Important distinction: White noise machines are mature consumer products with established efficacy for specific acoustic problems. NullField Lab is an experimental research tool for exploring electromagnetic compensation effects. Both are valid, but serve different purposes with different evidence bases.
Complementary Use: Using Both Together
Because NullField Lab and white noise machines operate in different sensory domains, they can be used simultaneously without interference. In fact, combining them may be optimal for many use cases:
Scenario 1: Deep Focus Work in Noisy Environment
Dual-Domain Optimization
- NullField Lab: Running 40 Hz gamma protocol for enhanced focus and attention, with active EMF compensation maintaining stable entrainment
- White noise machine: Masking office conversations, keyboard clicking, and HVAC noise at comfortable 50-60 dB SPL
Result: You get both electromagnetic domain optimization (stable brainwave entrainment unaffected by grid frequency drift) AND acoustic domain optimization (reduced distraction from environmental sounds). These operate independently without interfering.
Scenario 2: Sleep Optimization
Multi-Modal Sleep Enhancement
- NullField Lab: Running 2-4 Hz delta protocol for deep sleep entrainment, following circadian schedule with automatic frequency adjustment
- White noise or pink noise: Masking partner's breathing, street traffic, and household sounds that might cause awakening
Result: Combines potential electromagnetic support for sleep state transitions (delta entrainment) with proven acoustic masking benefits for uninterrupted sleep. If EMF sensitivity affects your sleep, the compensation may help; regardless, the acoustic masking provides established benefits.
Scenario 3: Meditation Practice
Distraction Minimization
- NullField Lab: Running 7.83 Hz (Schumann resonance) or 10 Hz alpha protocol for relaxed awareness states
- Nature sounds or brown noise: Gentle acoustic environment that supports relaxation without silence-induced hypervigilance to small sounds
Result: Electromagnetic domain may support desired brain state, while acoustic environment reduces startling or attention-capturing noises that break meditative focus.
No Physical Interference
White noise (acoustic pressure waves) and NullField Lab's compensatory tones (also acoustic but addressing EM interference) exist in the same auditory space but don't conflict:
- White noise spans all frequencies (broadband); NullField tones are narrow-band (single frequencies)
- Your brain can simultaneously process the entrainment beat frequency from NullField Lab AND the acoustic masking from white noise
- Volume adjustment allows both to coexist: white noise loud enough to mask external sounds, NullField tones at comfortable listening level
Cost & Accessibility Comparison
| Factor | NullField Lab | White Noise Machine |
|---|---|---|
| Upfront Cost | $0 (free open-source PWA) | $20-200 depending on features |
| Hardware Required | Smartphone/tablet with magnetometer (most Android devices) | Dedicated device OR smartphone app |
| Ongoing Costs | None (no subscriptions) | None (one-time purchase) or $5-10/month (premium apps) |
| Learning Curve | Moderate - requires understanding of EMF compensation concept | Low - press button, hear noise |
| Setup Complexity | Moderate - sensor permissions, grid frequency selection, orientation optimization | Low - plug in and turn on |
| Portability | Excellent - runs on phone you already carry | Good - small devices available, but additional item to pack |
| Customization | High - frequency selection, circadian schedules, compensation parameters | Low-to-Moderate - volume, color (white/pink/brown), timers |
| Energy Use | Low - ~5-10% phone battery per hour | Very low - 2-10W typical for dedicated device |
Accessibility Considerations
NullField Lab Accessibility
Barriers:
- Requires smartphone with magnetometer (most Android, limited iOS support)
- Requires HTTPS connection (sensor API security requirement)
- Requires technical understanding of EMF compensation concept
- Best results require optimization (device orientation, proximity to power source)
Advantages:
- Completely free and open-source
- No additional device purchase needed
- Works offline after initial installation (PWA)
- Extensive documentation and educational resources
White Noise Machine Accessibility
Barriers:
- Upfront cost for dedicated device ($20-200)
- Requires access to electrical outlet (most models)
- Battery-powered models need periodic replacement/recharging
- Premium features (multiple sounds, timers) increase cost
Advantages:
- Extremely simple to use - no learning curve
- Works for anyone with hearing ability
- No smartphone or special sensors required
- Established product category with many options
- Free smartphone apps available (ad-supported)
Decision Guide: When to Use Each
Choose NullField Lab When:
- You're practicing brainwave entrainment (binaural beats, isochronic tones) and want stable, precise frequencies
- You're a biohacker or self-experimenter interested in exploring EMF compensation effects
- You suspect EMF sensitivity or notice your focus/mood correlates with proximity to electrical infrastructure
- You want circadian-aligned frequency protocols (gamma during day, delta at night) with automatic scheduling
- You're interested in chronobiology research including lunar cycle tracking and circadian rhythm optimization
- You value open-source tools with full transparency about methodology and data privacy
- You want a free, portable solution that works offline and doesn't require purchasing additional hardware
Choose White Noise Machine When:
- You have difficulty sleeping due to environmental noise (neighbors, traffic, partner's snoring)
- You suffer from tinnitus and want established sound therapy for symptom management
- You work in a noisy office or open-plan space and need acoustic distraction reduction
- You need to mask household sounds for infant sleep or create consistent acoustic environment
- You want speech privacy (preventing eavesdropping on conversations)
- You prefer simple, proven solutions with extensive clinical evidence
- You want set-and-forget simplicity with no learning curve or technical configuration
Use BOTH When:
- You want comprehensive environmental optimization addressing both EM and acoustic domains
- You're experimenting with brainwave entrainment (NullField) but also need acoustic masking for focus/sleep
- You experience both EMF sensitivity and noise sensitivity
- You want multi-modal sleep optimization (delta entrainment + sound masking)
- You're a quantified-self enthusiast who wants to test whether combining approaches produces synergistic benefits
Common Misconceptions Debunked
Misconception #1: "White noise blocks EMF"
Reality: Absolutely false. Sound waves (acoustic energy) have zero effect on electromagnetic fields. These are different physical phenomena governed by different laws of physics (acoustics vs. electromagnetism). Playing any kind of sound, including white noise, does not block, cancel, or reduce electromagnetic field exposure.
Misconception #2: "NullField Lab is just a white noise app"
Reality: NullField Lab produces specific narrow-band frequencies (40 Hz gamma, 10 Hz alpha, etc.), not broadband white noise. It uses real-time magnetometer data to compensate for power grid EMF interference. White noise apps produce all frequencies simultaneously for acoustic masking with no sensor measurement or frequency compensation. Completely different technologies and purposes.
Misconception #3: "They're competitors / choose one or the other"
Reality: They address different problems in different sensory domains. This is like saying "Are earplugs or sunglasses better?" The answer depends on whether you need to block sound or light. NullField Lab and white noise machines can (and often should) be used together for people who have both EMF compensation goals and acoustic masking needs.
Misconception #4: "White noise is better because it's proven"
Reality: White noise has more extensive clinical evidence because it's been studied for decades for acoustic masking purposes. However, "proven" only means proven for its specific use case (acoustic distraction). It is NOT proven for (and cannot address) electromagnetic field compensation. Each technology is "proven" or "experimental" relative to its specific domain and purpose.
Misconception #5: "EMF sensitivity isn't real, so NullField Lab is pseudoscience"
Reality: This conflates several distinct questions:
- Do power grid EMFs exist? Yes, measurable by magnetometer - objective fact.
- Does grid frequency vary in real-time? Yes, documented by power grid operators - objective fact.21
- Can EMFs affect biological systems? Yes, demonstrated in controlled research (though mechanisms debated).22,23
- Is "electromagnetic hypersensitivity" a recognized medical condition? Controversial; symptoms real, but causation unclear.24
- Does EMF compensation improve brainwave entrainment stability? Theoretical basis exists; personal experimentation needed to assess individual response.
NullField Lab is a research tool for exploring these questions, not a medical device claiming to treat diagnosed EMF hypersensitivity. Using it does not require believing in controversial claims—only curiosity about exploring potential effects.
References
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- Foley, L. E., Gegear, R. J., & Reppert, S. M. (2011). Human cryptochrome exhibits light-dependent magnetosensitivity. Nature Communications, 2, 356. Nature Communications
- ENTSO-E. (2023). Frequency Measurement Data. European Network of Transmission System Operators for Electricity. ENTSO-E
- Møller, A. R. (2011). Hearing: Anatomy, Physiology, and Disorders of the Auditory System (3rd ed.). Academic Press. Chapter on auditory masking.
- Reiter, R. J., Tan, D. X., & Fuentes-Broto, L. (2010). Melatonin: a multitasking molecule. Progress in Brain Research, 181, 127-151. PMID: 20478436
- Wood, A. W., Armstrong, S. M., Sait, M. L., Devine, L., & Martin, M. J. (1998). Changes in human plasma melatonin profiles in response to 50 Hz magnetic field exposure. Journal of Pineal Research, 25(2), 116-127. PMID: 9745986
- Gegear, R. J., Casselman, A., Waddell, S., & Reppert, S. M. (2008). Cryptochrome mediates light-dependent magnetosensitivity in Drosophila. Nature, 454(7207), 1014-1018. Nature
- Henry, J. A., Schechter, M. A., Zaugg, T. L., et al. (2006). Clinical trial to compare tinnitus masking and tinnitus retraining therapy. Acta Oto-Laryngologica, 126(sup556), 64-69. PMID: 17114146
- Spencer, J. A., Moran, D. J., Lee, A., & Talbert, D. (1990). White noise and sleep induction. Archives of Disease in Childhood, 65(1), 135-137. PMID: 2301982
- Messineo, L., Taranto-Montemurro, L., Sands, S. A., Oliveira Marques, M. D., Azabarzin, A., & Wellman, D. A. (2017). Broadband sound administration improves sleep onset latency in healthy subjects in a model of transient insomnia. Frontiers in Neurology, 8, 718. PMID: 29375466
- Söderlund, G., Sikström, S., & Smart, A. (2007). Listen to the noise: Noise is beneficial for cognitive performance in ADHD. Journal of Child Psychology and Psychiatry, 48(8), 840-847. PMID: 17683456
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- Moore, B. C. J. (2012). An Introduction to the Psychology of Hearing (6th ed.). Brill. Chapter on masking and critical bands.
- Huang, T. L., & Charyton, C. (2008). A comprehensive review of the psychological effects of brainwave entrainment. Alternative Therapies in Health and Medicine, 14(5), 38-50. PMID: 18780583
- Wahbeh, H., Calabrese, C., & Zwickey, H. (2007). Binaural beat technology in humans: a pilot study to assess neuropsychologic, physiologic, and electroencephalographic effects. Journal of Alternative and Complementary Medicine, 13(2), 199-206. PMID: 17388622
- Lissmann, H. W. (1958). On the function and evolution of electric organs in fish. Journal of Experimental Biology, 35(1), 156-191. [Historical foundation for understanding biological EM sensitivity]
- Belyaev, I. Y., Alipov, Y. D., Harms-Ringdahl, M., & Bessonov, A. E. (1997). Effects of weak ELF on E. coli cells and human lymphocytes: role of genetic, physiological, and physical parameters. In Electricity and Magnetism in Biology and Medicine (pp. 481-484). San Francisco Press.
- Wiltschko, R., & Wiltschko, W. (2014). Sensing magnetic directions in birds: radical pair processes involving cryptochrome. Biosensors, 4(3), 221-242. PMID: 25099960
- Wang, C. X., Hilburn, I. A., Wu, D. A., et al. (2019). Transduction of the geomagnetic field as evidenced from alpha-band activity in the human brain. eNeuro, 6(2), ENEURO.0483-18.2019. PMID: 30899830
- Oster, G. (1973). Auditory beats in the brain. Scientific American, 229(4), 94-102. Scientific American
- U.S. Energy Information Administration. (2023). Electric Power System Frequency. EIA
- Warnke, U. (2013). Bees, Birds and Mankind: Effects of Wireless Communication Technologies. Competence Initiative for the Protection of Humanity, Environment and Democracy. [Reviews biological effects research]
- Funk, R. H., Monsees, T., & Özkucur, N. (2009). Electromagnetic effects – From cell biology to medicine. Progress in Histochemistry and Cytochemistry, 43(4), 177-264. PMID: 19167986
- Rubin, G. J., Nieto-Hernandez, R., & Wessely, S. (2010). Idiopathic environmental intolerance attributed to electromagnetic fields (formerly 'electromagnetic hypersensitivity'): An updated systematic review of provocation studies. Bioelectromagnetics, 31(1), 1-11. PMID: 19681059
Note on Sources: This article cites peer-reviewed research in psychoacoustics, electromagnetics, chronobiology, and neuroscience. References span established fields (acoustic masking) and emerging research areas (magnetoreception, EMF compensation). Readers should consult original sources for full methodological details and context.
Medical Disclaimer: This article is for informational and educational purposes only. Neither NullField Lab nor white noise machines are medical devices intended to diagnose, treat, cure, or prevent any disease. Information presented does not constitute medical advice. Consult qualified healthcare professionals for any health concerns.
Research Disclaimer: NullField Lab is an experimental research tool for personal exploration of electromagnetic field compensation. Effects described are based on theoretical frameworks and preliminary research, not established clinical evidence. White noise machine benefits for sleep and acoustic masking have stronger clinical evidence. Users should maintain realistic expectations and critical thinking when evaluating both technologies.
