Video

Video

Contributors in Video

Video

A Zenith proposal for an HDEP scheme that would use three times as many scanning lines as NTSC (1575), but would otherwise retain NTS characteristics. It is said to allow easy standards conversion to ...

4:2:2:4

Entertainment; Video

Same as 4:2:2 with the addition of a key channel sampled at the same frequency as the luminance.

4:2:2p (professional profile)

Entertainment; Video

4:2:2p refers to a higher quality, higher bitrate encoding designed for professional video usage. It allows multiple encodings/decodings before transmission or distribution.

4:4:4:4

Entertainment; Video

Same as 4:2:2 with the addition of a key channel, and all channels are sampled at the same frequency as the luminance.

4K

Entertainment; Video

A film image scanned into a computer file at a resolution of 4096 horizontal pixels per line. 4K is considered to be a full-resolution scan of 35 mm film.

8 PSK (8 Phase Shift Keying)

Entertainment; Video

A variant of QPSK used for satellite links to provide greater data capacity under low-noise conditions.

Exponent

Entertainment; Video

Power of ten by which a number is multiplied, used in floating point representation. For example, the exponent in the decimal number 0.9873 x 10 7 is 7.