From Hydrogenaudio Knowledgebase
Revision as of 22:17, 15 September 2006 by Pepoluan (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Strictly speaking an impulse is a signal composed of all zeros except for a very brief pulse. For discrete (digital) signals, the pulse consists of a single nonzero sample.

In perceptual audio an impulse is not quite as strictly defined. It's however a very short clear pulse in time domain.