Ringing
Encyclopedia
Ringing may mean:
- Ringing (signal)Ringing (signal)In electronics, signal processing, and video, ringing is unwanted oscillation of a signal, particularly in the step response...
, unwanted oscillation of a signal, leading to ringing artifactsRinging artifactsIn signal processing, particularly digital image processing, ringing artifacts are artifacts that appear as spurious signals near sharp transitions in a signal. Visually, they appear as bands or "ghosts" near edges; audibly, they appear as "echos" near transients, particularly sounds from...
; - Ringing (medicine)Ringing (medicine)In hearing, ringing is an endaural phenomenon in which a person hears a sound, somewhat like a pure tone, without any external acoustic stimulation. Ringing in the ears commonly follows exposure to loud noises, and is a sign of damage to the hair cells of the inner ear. Ringing in the ears is a...
, a ringing sound in the ears; - Bird ringingBird ringingBird ringing or bird banding is a technique used in the study of wild birds, by attaching a small, individually numbered, metal or plastic tag to their legs or wings, so that various aspects of the bird's life can be studied by the ability to re-find the same individual later...
, using numbered small metal leg rings to track birds; - Ringing (telephony)Ringing (telephony)A ringing signal operates a bell or other ringtone generator in a telephone, to alert the user to an incoming telephone call.Telephone bells or ringtones are rung by impressing a 105-volt RMS 20-Hertz sine wave across the tip and ring conductors of the subscriber line. This signal is produced by a...
, the sound of a telephone bell