Studio (non Broadcast) MAC Variants
S-MAC (Studio MAC): Used mostly in North America.
- Processing NTSC component signals yields better results (a higher quality image) than manipulating NTSC directly – thus the need to create S-MAC.
- It is not possible to mix standard MAC signals in the studio environment because the (R-Y) and (B-Y) components are carried on alternate lines.
- S-MAC's SECAM like approach to bandwidth reduction is technical annoyance, but most studio users are not affected by it.
- In S-MAC the luminance is compressed by 2:1 and the two chrominance signals by 4:1 so that all three may occupy the same line.
- S-MAC's vision bandwidth is 11 MHz, only ~2.8x that of NTSC's vision bandwidth of 4.2 MHz.
- S-MAC can be carried on a single circuit and converted losslessly to and from C-MAC at any stage.
- S-MAC is well suited for SNG applications (AKA: news gathering trucks).
Read more about this topic: Multiplexed Analogue Components
Famous quotes containing the words studio and/or variants:
“Surely it is one of the requisites of a tasteful garb that the expression of effort to please shall be wanting in it; that the mysteries of the toilet shall not be suggested by it; that the steps to its completion shall be knocked away like the sculptor’s ladder from the statue, and the mental force expended upon it be swept away out of sight like the chips on the studio floor.”
—Elizabeth Stuart Phelps (1844–1911)
“Nationalist pride, like other variants of pride, can be a substitute for self-respect.”
—Eric Hoffer (1902–1983)