Nat 5HigherAdvanced Higher
Hum
Hum is unwanted low-frequency noise, often linked to electrical interference or grounding problems.
Level relevance: introduced at Nat 5; tagged for every later level where the same concept remains useful.
Explanation
Hum can make a recording sound unprofessional and may be difficult to remove cleanly. Good cable practice, gain staging, power setup, and troubleshooting help reduce it before recording.
Topics
RecordingTechnical faultsNoise
Curriculum statusofficial concept
Review statusdraft
Sources
- National 5 Music Technology course specification, May 2023, version 3.0 · accessed 2026-07-08
Used for National 5 technology skills, technology concepts, and music concepts.