Glossary

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Lag
This word ussually can be used with 2 different meanings. In one meaning, it is the time it takes for some action appear on screen after some button has been pressed. Ideally the lower lag is, the better.

Some tests seem to indicate the stock SNES Classic emulator Canoe has lower lag than Retroarch., and it is usually praised for its low lag.

In order to achieve lower lag, it is often advisable (even by Nintendo itself) to put the display on a pc or game mode (the actual name of the setting may change from manufacturer to manufacturer).

The other meaning is slowdown or stutter.

Dithering
It is a technique to achieve soft color transitions, instead of bands of color. It needs the signal noise of composite video or similar means of video transmission, as such, it is not present when higher quality video signals are present, like HDMI or RGB. It can be simulated by the uses of post-processing filters, like the CRT image mode of the SNES Classic does.

Shimering
It is an effect as a consequence of uneven pixel scaling. The image will seem to flicker when in motion.It can be removed by the use of integer scaling (like the "pixel perfect" mode of the SNES Classic, or through the implementation of software algorithms in the scaling, as is done on the 4x3 and CRT modes on the SNES Classic. The algorithm adds approximatelly 1 frame of lag.

CaVE
CaVE is a database manager for the SNES Nintendo Switch Online. A future version may possibly add support to the SNES Classic. CaVE site