| Vector Quantization |
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EXPLANATION The lower-space vector requires less storage space and the data is thus compressed. The transformation into the subspace is usually achieved through Projection , or by using a Codebook . In some cases, a codebook implementation can be also used to Entropy Code the discrete value in the same step by generating a Prefix Code d variable-length encoded value as its output. Twin Vector Quantization (VQF) is part of the MPEG-4 standard dealing with time domain weighted interleaved vector quantization. VIDEO CODECS BASED ON VECTOR QUANTIZATION AUDIO CODECS BASED ON VECTOR QUANTIZATION SEE ALSO
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