⏱️ Timing / Latency Issues (Web App Fix Guide)
✅ What this fixes
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Notes feel delayed when you play
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You play correctly, but scoring is off
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Input doesn’t line up with what you hear
Time: 2–10 minutes
Difficulty: Easy → Moderate
🚨 Start Here (Quick Check)
Press a key.
👉 What happens?
🧠 What’s Happening (Simple)
Latency = delay between:
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Pressing a key
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Hearing the sound
👉 Even a small delay makes timing feel wrong
🔍 Step 1 — Check Your Audio Output
This is the #1 cause.
Avoid:
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Bluetooth headphones
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TV/HDMI audio
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Wireless speakers
👉 These add delay
Use instead:
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Wired headphones
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Built-in speakers
👉 Test again.
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Fixed? → Done
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Still delayed? → Continue
🌐 Step 2 — Use the Right Browser
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Use Google Chrome (recommended)
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Fully close and reopen the browser
⚠️ Common issue:
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Older browsers introduce delay
👉 Test again.
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Fixed? → Done
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Still delayed? → Continue
🔄 Step 3 — Reduce System Load
Your computer may be lagging.
Close:
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Other browser tabs
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Background apps
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Music software / DAWs
👉 Test again.
🎧 Step 4 — Check Audio Settings
On Windows:
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Sound Settings → Output device
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Avoid “enhancements” or virtual effects
On Mac:
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Sound Settings → Output
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Use default output
⚠️ Common issue:
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Audio processing effects causing delay
👉 Test again.
This matters.
Test:
Watch the screen while playing.
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Notes appear instantly but sound is delayed
→ Audio latency issue
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Notes appear delayed
→ Input latency issue
🔧 If Audio Delay
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Switch to wired headphones
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Change output device
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Restart browser
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Reconnect keyboard
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Avoid USB hubs
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Try a different USB port
🧩 Edge Cases
Bluetooth devices
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Almost always introduce delay
→ Avoid for best results
Audio interfaces
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May need buffer size adjustment
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Lower buffer = less delay
Older computers
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May struggle with real-time processing
🎯 If You’re Still Stuck
Include:
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Computer type (Windows/Mac)
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Audio device (wired, Bluetooth, interface)
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Keyboard model
👉 Contact support with this info