--- title: "Twin vector quantization" chunk: 1/1 source: "https://en.wikipedia.org/wiki/Twin_vector_quantization" category: "reference" tags: "science, encyclopedia" date_saved: "2026-05-05T11:40:03.423073+00:00" instance: "kb-cron" --- In data compression, twin vector quantization is related to vector quantization, but the speed of the quantization is doubled by the secondary vector analyzer. By using a subdimensional vector space useless hyperspace will be destroyed in the process. The formula for calculating the amount of destroyed hyperspace is: H(x) = 5.22 / 4m