Noise and signal integrity issues are among the most common causes of inaccurate captures. Any unwanted signal present during capture will be embedded in the model and cannot be removed during training. Ensuring a clean, stable signal path is essential for accurate results.

Common Types of Noise

• Hum (50/60 Hz mains noise): Typically caused by grounding issues or electrical interference
• Buzz: Often related to power supplies, lighting, or nearby electronic devices
• Crackling / Intermittent Noise: Usually caused by faulty cables or loose connections
• High-Frequency Hiss: May indicate excessive gain or poor signal-to-noise ratio

Where Noise Occurs in the Signal Chain

• Audio interface inputs and outputs
• Instrument and patch cables
• Amplifier circuitry
• Loadbox or DI output stage
• Power sources and grounding

Identifying where the noise enters the signal path is key to resolving it.

How to Diagnose Noise Issues

• Check the Level Meters: Monitor both Loopback and Capture meters; Look for unexpected fluctuations or elevated noise floor; Compare readings during silence and signal playback
• Isolate the Source: Disconnect components one at a time; Test the interface loopback independently; Verify the amplifier output separately; This helps identify which stage introduces the noise.
• Listen Critically: Use headphones or studio monitors; Check for consistent hum, intermittent crackles, or broadband noise; If noise is audible during capture, it will be present in the model

Common Causes and Fixes

• Cause: Multiple grounding paths between devices
  
• Fix:
  
• Use a single power source where possible
• Try lifting ground on DI/loadbox (if safely supported)
• Use balanced connections where available

• Cause: Damaged or low-quality cables
  
• Fix:
  
• Replace suspect cables
• Ensure all connections are secure
• Use shielded cables for audio connections

• Cause: Signal levels too high or too low
  
• Fix:
  
• Avoid clipping at any stage
• Maintain recommended level ranges
• Adjust interface gain, not amplifier output, where possible

• Cause: Nearby devices (monitors, lighting, power supplies)
  
• Fix:
  
• Move cables away from power sources
• Turn off unnecessary electronics
• Use proper cable management

• Cause: Loose jacks or connectors
  
• Fix:
  
• Reseat all connections
• Avoid moving cables during capture
• Ensure firm, stable connections throughout

Best Practices

• Verify signal integrity before starting capture
• Monitor levels continuously during the session
• Re-capture immediately if any noise is detected
• Maintain a stable, interference-free environment

Having issues?

Our support team is here to assist you! For any enquiries, please head over to our Help Desk and submit a ticket to speak directly to one of our in-house specialists.