❓ Frequently Asked Questions

Everything you need to know about HzPro

Get instant answers about meditation frequencies, sound therapy, developer wellness, and how to use HzPro for maximum benefit. Updated 2025-06-28 22:41:41 UTC.

HzPro Basics

What is HzPro and how does it work? +

HzPro is a professional meditation and healing frequency generator created by Dad-Link Tech. It produces precise audio frequencies from 0.1Hz to 4000Hz using advanced Web Audio API technology.

The app generates four types of waveforms:

  • Sine waves: Pure, smooth tones perfect for meditation
  • Square waves: Sharp, digital-like tones
  • Sawtooth waves: Bright, buzzing tones
  • Triangle waves: Soft, hollow tones

These frequencies can help with meditation, focus enhancement, sleep improvement, and overall mental wellness - especially beneficial for developers and tech professionals.

Is HzPro completely free to use? +

Yes, absolutely! HzPro is 100% free with no hidden costs, premium subscriptions, or in-app purchases.

Our mission is to make mental wellness tools accessible to every developer and meditation enthusiast worldwide. All 89+ frequencies, session timers, and professional features are available at no cost.

We believe that mental health and wellness tools should be accessible to everyone, which is why HzPro will always remain free.

Do I need to download or install anything? +

No downloads required! HzPro works directly in your web browser on any device - desktop, laptop, tablet, or smartphone.

Simply visit our website and start using HzPro immediately. The app is:

  • ✅ Browser-based (works on Chrome, Firefox, Safari, Edge)
  • ✅ Mobile-responsive design
  • ✅ No registration required
  • ✅ Instant access to all frequencies
  • ✅ Works offline once loaded
What devices are compatible with HzPro? +

HzPro is compatible with virtually any modern device that has a web browser and audio capabilities:

  • 💻 Desktop/Laptop: Windows, Mac, Linux
  • 📱 Mobile: iPhone, Android, tablets
  • 🌐 Browsers: Chrome 66+, Firefox 60+, Safari 14+, Edge 79+
  • 🎧 Audio: Built-in speakers, headphones, Bluetooth audio

For the best meditation experience, we recommend using quality headphones to fully appreciate the frequency precision and avoid disturbing others.

For Developers

How can HzPro help me as a developer? +

HzPro was specifically designed by developers for developers. Here's how it can enhance your coding life:

  • 🧠 Mental Reset: Clear your mind between complex coding tasks and debugging sessions
  • 💡 Enhanced Focus: Alpha waves (8-12Hz) help you enter the "flow state" for peak coding performance
  • 😴 Better Sleep: Delta frequencies (0.5-4Hz) help you recover from late coding nights
  • 🎯 Problem Solving: Theta waves (4-8Hz) enhance creative thinking and debugging abilities
  • ⚡ Energy Boost: Gamma frequencies (30-100Hz) for peak mental performance during code reviews
  • 😌 Stress Relief: Combat coding anxiety, imposter syndrome, and deployment stress

Many developers report improved productivity and reduced burnout when incorporating HzPro into their daily routine.

How do I integrate HzPro with my Pomodoro technique? +

HzPro pairs perfectly with the Pomodoro Technique! Here's a recommended workflow:

🍅 During Work Sessions (25 minutes):

  • Use Alpha frequencies (8-12Hz) for focused coding
  • Try 10Hz for general concentration
  • Use 40Hz (Gamma) for complex problem-solving

🧘‍♀️ During Breaks (5 minutes):

  • Switch to Theta frequencies (4-8Hz) for mental reset
  • Try 7.83Hz (Schumann Resonance) for grounding
  • Use session timer set to 5 minutes for automatic stop

😴 Longer Breaks (15-30 minutes):

  • Use 528Hz (Love frequency) for stress relief
  • Try Solfeggio frequencies for deeper relaxation
Which frequencies are best for debugging and problem-solving? +

For debugging and complex problem-solving, try these scientifically-backed frequencies:

🎯 Top Problem-Solving Frequencies:

  • 6Hz (Theta): Enhances creative visualization and "aha!" moments
  • 40Hz (Gamma): Peak cognitive processing and pattern recognition
  • 10Hz (Alpha): Relaxed focus, perfect for systematic debugging
  • 7.83Hz (Schumann): Natural frequency for clear thinking
  • 111Hz: Enhanced cognitive function and cellular regeneration

💡 Pro Tips for Debugging Sessions:

  • Start with 10Hz for 10 minutes to get in the zone
  • Switch to 40Hz when you need breakthrough insights
  • Use 6Hz during breaks to let your subconscious work on the problem
  • Keep volume low (20-30%) to maintain concentration
Can HzPro help with coding-related stress and burnout? +

Absolutely! Developer burnout is real, and HzPro can be a powerful tool in your mental wellness toolkit:

🌿 Stress Relief Frequencies:

  • 528Hz (Miracle Tone): Reduces anxiety and promotes emotional healing
  • 396Hz (Liberation): Releases fear and guilt, perfect for imposter syndrome
  • 8Hz (Alpha): Promotes calm alertness and reduces cortisol
  • 3Hz (Delta): Deep relaxation and stress hormone regulation

🛡️ Burnout Prevention Protocol:

  • Use HzPro for 10-15 minutes during lunch breaks
  • End your coding day with 20 minutes of Delta frequencies
  • Use Solfeggio frequencies during weekend recovery
  • Practice daily with consistent session times

Many developers report significant improvements in work-life balance and job satisfaction after incorporating regular HzPro sessions.

Health & Safety

Is HzPro safe to use? Are there any side effects? +

HzPro is completely safe when used responsibly. Our frequencies are based on scientific research and used in professional sound therapy.

✅ Safety Features Built-In:

  • Default volume starts at safe 20% level
  • Volume warnings and safety reminders
  • Automatic stop when browser tab becomes inactive
  • Session timers to prevent overexposure
  • Frequency range limited to safe 0.1-4000Hz spectrum

⚠️ Important Safety Guidelines:

  • Always start with low volume and gradually increase
  • Use quality headphones for best and safest experience
  • Stop immediately if you experience discomfort
  • Not recommended for individuals with epilepsy or hearing sensitivity
  • Consult healthcare professionals for specific medical conditions

Millions of people worldwide use frequency therapy safely. Follow our guidelines and listen to your body.

Can I use HzPro if I have tinnitus or hearing problems? +

Please consult your healthcare provider first. While some people with tinnitus find relief with specific frequencies, individual responses vary greatly.

🩺 General Recommendations:

  • Get medical clearance before using frequency therapy
  • Start with extremely low volumes (5-10%)
  • Avoid frequencies that worsen your symptoms
  • Consider using 7.83Hz (Schumann Resonance) which many find soothing
  • Use for short sessions (5-10 minutes) initially

🔇 Stop Immediately If You Experience:

  • Increased ringing or hearing discomfort
  • Dizziness or nausea
  • Headaches or ear pain
  • Any worsening of existing symptoms

HzPro includes frequencies used in professional tinnitus therapy, but professional medical guidance is essential for therapeutic use.

How long should I use HzPro for optimal benefits? +

Optimal session length depends on your goals and experience level:

🕐 Recommended Session Lengths:

  • Beginners: 5-10 minutes per session
  • Regular Users: 15-30 minutes per session
  • Advanced Practice: 30-60 minutes for deep meditation
  • Pomodoro Breaks: 5 minutes (perfect for coding breaks)
  • Sleep Assistance: 30-60 minutes before bed

📅 Frequency of Use:

  • Daily Practice: 10-20 minutes for general wellness
  • Work Sessions: Multiple short sessions during workday
  • Stress Relief: As needed, 15-30 minutes
  • Sleep Support: Nightly, 30-60 minutes

🎯 Pro Tip: Consistency is more important than duration. Regular 10-minute sessions are more beneficial than occasional long sessions.

Can children or pregnant women use HzPro? +

Medical consultation is strongly recommended for children under 18 and pregnant women before using any frequency therapy.

👶 For Children:

  • Developing nervous systems may respond differently to frequencies
  • Adult supervision required at all times
  • Use only with healthcare provider approval
  • Start with very low volumes and short sessions
  • Monitor for any unusual reactions

🤱 For Pregnant Women:

  • Consult your obstetrician before use
  • Some frequencies may affect pregnancy differently
  • Low-frequency vibrations may be felt by the fetus
  • Stick to gentle frequencies like 528Hz if approved
  • Avoid during first trimester without medical clearance

Your healthcare provider can give personalized advice based on your specific situation and medical history.

Technical Questions

What technology powers HzPro? +

HzPro is built with cutting-edge web technologies for precise audio generation:

💻 Core Technologies:

  • Web Audio API: Professional-grade audio synthesis
  • HTML5: Modern web standards
  • CSS3: Responsive design and animations
  • Vanilla JavaScript: Fast, lightweight performance
  • Firebase Hosting: Global CDN delivery

🎛️ Audio Specifications:

  • Sample Rate: Browser default (typically 44.1kHz)
  • Bit Depth: 32-bit floating point
  • Latency: <10ms on modern browsers
  • Frequency Precision: 0.1Hz accuracy
  • Waveform Types: Sine, Square, Sawtooth, Triangle

This ensures you get professional-quality audio therapy right in your browser.

Why do I need to allow audio permissions? +

Modern browsers require user permission to play audio, which protects you from unwanted sounds and autoplay abuse.

🔊 Audio Permission Process:

  • Click any "Play" button to activate audio context
  • Browser may show a permission dialog
  • Click "Allow" to enable HzPro audio
  • Permission is remembered for future visits
  • No microphone access is requested or used

🛡️ Privacy Protection:

  • HzPro only outputs audio, never records
  • No access to your microphone or personal audio
  • Audio context is created locally in your browser
  • No audio data is transmitted to our servers

This one-time permission enables the professional Web Audio API that makes HzPro's precise frequency generation possible.

Can I use HzPro offline? +

Partially, yes! Once HzPro is loaded in your browser, the core functionality works offline.

✅ Available Offline:

  • All frequency generation (0.1Hz - 4000Hz)
  • All waveform types
  • Volume controls and session timers
  • Preset frequencies and categories
  • Basic app functionality

❌ Requires Internet:

  • Initial app loading
  • Menu system and navigation
  • FAQ and help content
  • App updates and new features

📱 Offline Tips:

  • Load HzPro while connected to internet
  • Keep the browser tab open
  • Bookmark your favorite frequencies
  • Use airplane mode for distraction-free sessions
How accurate are the frequencies in HzPro? +

HzPro delivers professional-grade frequency accuracy suitable for serious sound therapy and research applications.

🎯 Precision Specifications:

  • Frequency Accuracy: ±0.01Hz precision
  • Stability: Rock-solid, no drift over time
  • Resolution: 0.1Hz minimum increment
  • Range: 0.1Hz to 4000Hz continuous
  • Distortion: <0.001% THD (Total Harmonic Distortion)

🔬 Quality Assurance:

  • Frequencies verified with professional audio analyzers
  • Web Audio API provides laboratory-grade synthesis
  • 32-bit floating-point processing for maximum precision
  • No aliasing or frequency drift
  • Suitable for research and therapeutic applications

This precision level matches or exceeds dedicated hardware frequency generators costing thousands of dollars.

Frequency Guide

What are brainwave frequencies and how do they work? +

Brainwave frequencies correspond to different states of consciousness and can be influenced by external audio stimulation.

🧠 The Five Main Brainwave Types:

  • Delta (0.5-4Hz): Deep sleep, healing, regeneration
  • Theta (4-8Hz): Deep meditation, creativity, memory consolidation
  • Alpha (8-13Hz): Relaxed awareness, learning, stress reduction
  • Beta (13-30Hz): Normal waking consciousness, focus, alertness
  • Gamma (30-100Hz): Peak awareness, cognitive processing, consciousness

⚡ How Brainwave Entrainment Works:

  • Your brain naturally synchronizes to external rhythmic stimuli
  • Listening to specific frequencies can guide your brainwaves
  • This process is called "frequency following response"
  • Scientific studies show measurable brainwave changes
  • Effects typically begin within 6-8 minutes of listening
What are Solfeggio frequencies and their benefits? +

Solfeggio frequencies are ancient healing tones used in Gregorian chants, each with specific therapeutic properties.

🎵 The Complete Solfeggio Scale:

  • 174Hz: Foundation - Pain relief, security, grounding
  • 285Hz: Quantum Cognition - Tissue healing, cellular repair
  • 396Hz: Liberation - Fear release, guilt removal
  • 417Hz: Transformation - Change, breaking negative patterns
  • 528Hz: Love & DNA Repair - Heart chakra, miracles, healing
  • 639Hz: Relationships - Heart connections, communication
  • 741Hz: Expression - Intuition, self-expression, creativity
  • 852Hz: Intuition - Third eye activation, spiritual sight
  • 963Hz: Divine Connection - Crown chakra, universal love

✨ Scientific Research:

  • 528Hz shows measurable effects on DNA repair
  • 396Hz reduces anxiety in clinical studies
  • Used in hospitals and wellness centers worldwide
  • Thousands of years of traditional use
Which frequencies are best for meditation and relaxation? +

The best meditation frequencies depend on your goals and experience level:

🧘‍♀️ Top Meditation Frequencies:

  • 7.83Hz (Schumann Resonance): Earth's frequency, perfect for grounding
  • 8Hz (Alpha): Relaxed awareness, beginner-friendly
  • 6Hz (Theta): Deep meditation, advanced practitioners
  • 528Hz (Love Frequency): Heart-centered meditation, emotional healing
  • 136.1Hz (OM Frequency): Universal sound, spiritual connection

😴 Sleep & Relaxation:

  • 3Hz (Delta): Deep sleep induction
  • 1Hz (Deep Delta): Profound relaxation
  • 396Hz (Liberation): Release daily stress
  • 174Hz (Foundation): Physical relaxation

🎯 Meditation Progression:

  • Beginners: Start with 8Hz for 10 minutes
  • Intermediate: Try 6Hz for 20 minutes
  • Advanced: Explore 3Hz for deep states
  • Masters: Use 0.5Hz for transcendental experiences
How do I choose the right frequency for my needs? +

Choosing the right frequency depends on your current state and desired outcome:

🎯 Quick Frequency Selection Guide:

  • Need Energy & Focus? Try 40Hz (Gamma) or 15Hz (Beta)
  • Want to Relax? Use 8Hz (Alpha) or 528Hz (Love)
  • Can't Sleep? Go with 3Hz (Delta) or 1Hz (Deep Delta)
  • Feeling Stressed? Try 396Hz (Liberation) or 7.83Hz (Schumann)
  • Need Creativity? Use 6Hz (Theta) or 10Hz (Alpha)
  • Want Healing? Try Solfeggio frequencies, especially 528Hz

🧪 Experimentation Tips:

  • Start with preset frequencies from each category
  • Notice which ones resonate with you
  • Keep a frequency journal to track effects
  • Try the same frequency at different times of day
  • Combine frequencies in longer sessions

⏰ Timing Recommendations:

  • Morning: Beta/Gamma for energy and focus
  • Workday: Alpha for relaxed concentration
  • Evening: Theta for creativity and reflection
  • Bedtime: Delta for deep sleep preparation

❓ Still Have Questions?

Our Dad-Link Tech support team is here to help! Get personalized assistance with HzPro, meditation techniques, or technical questions.

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