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Tektronix provides test and measurement instruments, solutions and services for the computer, semiconductor, military/aerospace, consumer electronics and education industries worldwide.
Spurious signals resulting from high frequency luminance information being interpreted as color information in decoding a composite signal. Typical video examples are “rainbow” on venetian blinds and striped shirts for example.
Industry:Entertainment
a) An error-detecting scheme which is the sum of the data values transmitted. The receiver computes the sum of the received data values and compares it to the transmitted sum. If they are equal, the transmission was error-free. b) Method used to verify the integrity of data loaded into the computer. c) A simple check value of a block of data, calculated by adding all the bytes in a block. It is easily fooled by typical errors in data transmission systems, so that for most applications, a more sophisticated system such as CRC is preferred.
Industry:Entertainment
Spurious signals occurring in the Y channel as a result of composite chroma signals being interpreted as luminance, such as “dot crawl” or “busy edges” on colored areas.
Industry:Entertainment
A black and white test chart. It contains “chips” in varying intensities, that make up a gray scale. It is used to check the gray scale taking characteristics of a camera, including the parameter of gamma.
Industry:Entertainment
Assembler that runs on a processor whose assembly language is different from the language being assembled.
Industry:Entertainment
An artifact observed in composite systems employing quadrature modulation and frequency interleaving. Cross-color results from the multiplicities of line-scan harmonics in the baseband signal, which provide families of frequencies surrounding each of the main harmonic peaks.
These families become even more complex if there is movement in the scene luminance signals between scans. Since the interstices are, therefore, not completely empty, some of the information on the luminance signal is subsequently decoded as color information. A typical visible effect is a moiré pattern.
Industry:Entertainment
Usually enables three-state drivers on the chip’s output lines. Most LSI chips have one or more chip selects. The CS line is used to select one chip among many.
Industry:Entertainment
