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In digital and analog audio, headroom refers to the amount by which the signal-handling capabilities of an audio system can exceed a designated nominal level. [1] Headroom can be thought of as a safety zone allowing transient audio peaks to exceed the nominal level without damaging the system or the audio signal, e.g., via clipping.
Headroom refers specifically to the distance between the top of the subject's head and the top of the frame, but the term is sometimes used instead of lead room, nose room or 'looking room' [1] to include the sense of space on both sides of the image. The amount of headroom that is considered aesthetically pleasing is a dynamic quantity; it ...
Headroom (audio signal processing), the difference between the nominal signal value and the maximum undistorted value Headroom (photographic framing) , in camera work, the space between the top of the head and the upper frame limit
Headroom and noise floor at audio process stages for the purpose of comparison with dither level. The noise introduced by quantization error, including rounding errors and loss of precision introduced during audio processing, can be mitigated by adding a small amount of random noise, called dither, to the signal before quantizing.
Practicality is pretty much what you’d expect of a fairly dinky car – there’s plenty of headroom and legroom in the front but a pair of tall adults won’t have much wriggle room in the back.
In audio, a related measurement, signal-to-noise ratio, is usually defined as the difference between the nominal level and the noise floor, leaving the headroom as the difference between nominal and maximum output. [1] [2] The measured level is a time average, meaning that the peaks of audio signals regularly exceed the measured average level.
High dynamic range (HDR), also known as wide dynamic range, extended dynamic range, or expanded dynamic range, is a signal with a higher dynamic range than usual.. The term is often used in discussing the dynamic ranges of images, videos, audio or radio.
A blipvert is a very brief television advertisement, lasting one second. [1] The word is a portmanteau of blip, a brief sound, and advertisement. [2]The term and concept were used in the 1985 film Max Headroom: 20 Minutes into the Future and in Blipverts, the first episode of the 1987 science fiction television show Max Headroom.