Glossary: Humbucking | Sweetwater.com

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Humbucking: A process of injecting a certain amount of hum into a signal at an opposite polarity of hum already present. The net result is cancellation of the hum thereby producing a clean signal. Humbucking is normally provided by a coil, which is very efficient at picking up hum producing electromagnetic fields (EMI) such as those produced by high power equipment like lights, motors, etc. The concept was applied to guitars many years ago. It is called the humbucking pickup (a.k.a. humbucker). Guitar output signals are generally very easily compromised by stray fields due to the magnet and coil nature of the typical guitar pickup. The humbucker provides cancellation of the hum right at the source so the guitar's output is clean.

Haas Effect	Half-Track	Half Damper
Half Duplex	Half Normal	Half-Power Bandwidth
Half Space	Half Step	Hammer-On
Hammer Action	Handling Noise	Handshake
Hangover	Hangover	Hang Tag
Hard Bop	Hard Drive	Hard Reset
Hardtail	Hardware Bypass	Hardwired
Harmonic	Harmonic Distortion	Harmonizer ®
Harmony	Harp Guitar	HDCD - High Definition Compatible Disc
HD DVD	HDMI	Head
Head Crash	Header	Head Gap
Headphones	Headroom	Head Shadow
Head Stack	Headstock	Heartwood
Heat Sink	Heel	Helical Scan
Helicon	Helmholz Resonator	Hemiola
Hermode Tuning	Herringbone	Heterodyne
Heterophony	Hexadecimal	Hexaphonic Pickup
HFS (& HFS+)	Hi-MD	Hi-Z
Hierarchical Menu	High Pass Filter	High Sierra
HiLoTron	Hit	HockeyStick Headstock
Hollow-Glas	Hollowbody/Semi-Hollowbody	Holophonics
Homophony	Hoopy (or Hoopie)	Horn
Hornpipe	Horseshoe Pickup	Host
Host Based	Hot Swap	House Sync
House Sync	HTDM	HTML
Hub	Hub	HUI
Hum	Humanize	Humbucker
Humbucking	HX Pro	Hygrometer
Hygrometer	Hyperacusis	Hypercardioid
Hyperlink	HyperText	Hysteresis