subcode

Noun

Meaning

A code making up part of a larger code.

Any of several channels of data added to a compact disc (or similar) that are used for indexing and tracking.

Examples

After this, 8 bits of subcode or subchannel data are added to each of these encoded frames, which is used for control and addressing when playing the CD. Source: Internet

The other nine bytes consist of eight CIRC error-correction bytes and one subcode byte used for control and display. Source: Internet

The information is stored either in the lead-in area of the CD, where there is roughly five kilobytes of space available, or in the subcode channels R to W on the disc, which can store about 31 megabytes. Source: Internet

Pre-emphasis time constants are 50µs and 15µs (9.49 dB boost at 20kHz), and a binary flag in the disc subcode instructs the player to apply de-emphasis filtering if appropriate. Source: Internet

CIRC encoding plus the subcode byte generate 33-bytes long frames, called "channel-data" frames. Source: Internet

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