What is the difference between QCIF, CIF, 2CIF, HD1, D1?

Formats
The higher the resolution of the recording, the clearer and better the video quality.
16CIF – (1.6 Mp, 1408 × 1152)
4CIF (D1) – (0.4 Mp, 704х576 – PAL and 704×480 – NTSC)
2CIF (HD1 or Half D1) – (0.2 Mp, 704×288 – PAL and 704×240 – NTSC)
CIF (Common Intermediate Format) – (0.1 Mp, 352×288 – PAL and 352×240 – NTSC)
QCIF – (0.03 Mp, 176×144 for PAL and 176×120 – NTSC)
SQCIF – (0.01 Mp, 128 × 96)

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