Editing Video decoder
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* Output formatter |
* Output formatter |
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* Host communication interface |
* Host communication interface |
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==Process== |
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Video decoding involves several processing steps. First the [[analog signal]] is digitized by an [[analog-to-digital converter]] to produce a raw, digital data stream. In the case of [[composite video]], the [[luminance]] and [[chrominance]] are then separated; this is not necessary for [[S-Video]] sources. Next, the chrominance is demodulated to produce color difference video data. At this point, the data may be modified so as to adjust brightness, contrast, saturation and hue. Finally, the data is transformed by a [[color space]] converter to generate data in conformance with any of several color space standards, such as [[RGB]] and [[YCbCr]]. Together, these steps constitute ''video decoding'' because they "decode" an analog video format such as [[NTSC]] or [[PAL]]. |
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==References== |
==References== |