Term

stream data

Posted on April 1, 2015 in

A stream is a data object which has no specific start or end. The decoding system may need only a small fraction of the total data to activate a given application. An example includes stock ticker services.

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stream

Posted on April 1, 2015 in

An ordered series of bytes. The usual context for the term stream is the series of bytes extracted from transport stream packet payloads that have a common unique PID value (e.g., video PES packets or program map table sections).

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still picture

Posted on April 1, 2015 in

A coded still picture consists of a video sequence containing exactly one coded picture which is intra-coded. This picture has an associated PTS and the presentation time of succeeding pictures, if any, is later than that of the still picture by at least two picture periods.

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STD input buffer

Posted on April 1, 2015 in

A first-in, first-out buffer at the input of a system target decoder for storage of compressed data from elementary streams before decoding.

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starting group number

Posted on April 1, 2015 in

The Group Number assigned to the first Group in a Parade, which determines placement of the Parade into a particular series of M/H Slots.

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start codes

Posted on April 1, 2015 in

32-bit codes embedded in the coded bit stream that are unique. They are used for several purposes including identifying some of the layers in the coding syntax. Start codes consist of a 24-bit prefix (0x000001) and an 8-bit stream_id.

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standard facility

Posted on April 1, 2015 in

A facility defined by the DASE Standard.

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standard definition television (SDTV)

Posted on April 1, 2015 in

This term is used to signify a digital television system in which the quality is approximately equivalent to that of NTSC. This equivalent quality may be achieved from pictures sourced at the 4:2:2 level of ITU-R Recommendation 601 and subjected to processing as part of the bit rate compression. The results should be such that […]

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splicing

Posted on April 1, 2015 in

The concatenation performed on the system level or two different elementary streams. It is understood that the resulting stream must conform totally to the Digital Television Standard.

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spectral envelope

Posted on April 1, 2015 in

A spectral estimate consisting of the set of exponents obtained by decoding the encoded exponents. Similar (but not identical) to the original set of exponents.

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