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Time base correction

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…

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Overview

Background

Methods

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Time base correction

Nodes42
Edges41
Triples32
Avg. degree1.95
Density0.047619
Components1

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Time base correction

Top relations

related to Software time base correction · 14
Time base correction → CVBS, CVBS-Decode, D-3, FLAC, FM RF, JSON, LD-Decode, PCM, S-Video, TBC, The, U-matic, VHS, VHS-Decode
has method · 6
Time base correction → A/B, Genlocking, Implicit, Stand-alone, The, There
related to background · 4
Time base correction → As, However, Sync, The

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Important terminology

video time signal base correction tbc devices sync system also signals videotape frame timing external file reference using analog rate

Entity relationships Subject–Predicate–Object triples

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SubjectPredicateObjectConfidenceSrc
character generatorsinstance ofmore time-stable devices0.80text
video cameras found in television studiosinstance ofmore time-stable devices0.80text
post-production facilities.Time base correction counteracts errors by buffering the video signal as it comes off the videotape at an unsteady rateinstance ofmore time-stable devices0.80text
and releasing it after a delay at a steady rateinstance ofmore time-stable devices0.80text
composite video but also applies de-modulation for tape formats before correcting the signal in softwareinstance ofdirectly for baseband signals0.80text
this workflow is called FM RF archival in the common use context of tape media preservationinstance ofdirectly for baseband signals0.80text
VHSinstance ofwas implemented for color-under formats0.80text
U-maticinstance ofwas implemented for color-under formats0.80text
Time base correctionhas methodImplicit0.60section
Time base correctionhas methodThere0.60section
Time base correctionhas methodThe0.60section
Time base correctionhas methodGenlocking0.60section

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