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Time base correction (TBC) is a technique to reduce or eliminate errors caused by mechanical instability present in analog recordings on mechanical media. Without time base correction, a signal from a videotape recorder (VTR) or videocassette recorder (VCR), cannot be mixed with other, more time-stable devices such as character generators and video cameras found in television studios and post ...
In sound recording and reproduction, ground lift or earth lift is a technique used to reduce or eliminate ground-related noise arising from ground loops in audio cables. It may also increase or decrease noise from other sources. [1]
On phonograph records, clicks are perceived in various ways by the listener, ranging from tiny 'tick' noises which may occur in any recording medium through 'scratch' and 'crackle' noise commonly associated with analog disc recording methods. Analog clicks can occur due to dirt and dust on the grooves of the vinyl record or granularity in the ...
Noise, static or snow screen captured from a blank VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices.
Video feedback. Video feedback is the process that starts and continues when a video camera is pointed at its own playback video monitor.The loop delay from camera to display back to camera is at least one video frame time, due to the input and output scanning processes; it can be more if there is more processing in the loop.
The regularization parameter plays a critical role in the denoising process. When =, there is no smoothing and the result is the same as minimizing the sum of squares.As , however, the total variation term plays an increasingly strong role, which forces the result to have smaller total variation, at the expense of being less like the input (noisy) signal.
A sound blimp is a housing attached to a camera which reduces sounds, such as shutter click on SLR cameras, and motors on motion picture cameras. It is primarily used in film still photography, so as not to interfere with the shooting of principal photography [dubious – discuss], and also in other situations where sound is distracting: theatrical photography, surveillance, and wildlife ...
Alternatively, a tally light can be a separate device mounted on the camera body, lens, or tripod, but not connected to the camera electronically. In some (mainly non-studio) cameras, the tally light is implemented as a special UI element displayed on the screen (e.g. red outline around the frame).