.TBC File Extension

.TBC File Extension

File Type

Time-base Corrected Video

Developer Chad Page
Popularity
2.5  |  2 Votes
Category Video Files
Format Binary

What is a TBC file?

A TBC file is an .LDS (LaserDisc Sample) file that has been converted into a PAL or NTSC video using the ld-decode application. It contains a stream of 16-bit unsigned values, each of which represents a single grayscale value. With a significant amount of effort, TBC files can be used to create .MP4 replicas of the video contained on a LaserDisc.

More Information

As part of their work to preserve data gathered during the BBC Domesday Project, Domesday enthusiasts Simon Inns and Ian Smallshire created the Domesday86 project and the Domesday Duplicator. The Duplicator allowed Inns and Smallshire to capture the radio frequency produced as a laser read a Domesday LaserDisc and store that data in an LDS file. In theory, the pair could then use this data to produce an exact copy of a Domesday LaserDisc.

Developer Chad Page expanded on Inns and Smallshire's work by producing a suite of tools known as ld-decode. Ld-decode includes a number of utilities designed to let users interact with LDS files. One such tool is ld-decode.py, a Linux application that allows users to input an LDS file and produce a Phase Alternating Line (PAL) or National Television System Committee (NTSC) encoded video. The video is saved as a TBC file.

LaserDisc enthusiasts can use various other utilities included in ld-decode to interact with a TBC file. For example, they can use ld-chroma-decoder to produce a raw RGB bitstream from a TBC file, and they can use ld-analyze to watch and analyze the grayscale video a TBC file contains. With a lot of work, users can even use their TBC file to produce an MP4 replica of the video contained on a LaserDisc.

How do I open a TBC file?

Ld-decode users can open a TBC file and watch the video it contains in ld-analyze (Linux). In ld-analyze, select File → Open TBC file... to open your TBC file.

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Programs that open TBC files

Linux
Updated January 14, 2021

Verified by FileInfo.com

The FileInfo.com team has independently researched the Time-base Corrected Video file format and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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