| 摘要 |
<p>An encoding method, a decoding method, an encoder and a decoder are provided, wherein the encoding method includes: according to the number of the coefficients to be encoded contained in the current sub-band, the coefficients to be encoded is split vectorially by at least one dimension vector selected from at least two dimension vectors (101); according to the selected dimension, the vectors split from the coefficients to be encoded are quantized as lattice vectors, and the lattice vectors are mapped into lattice index vectors (102); and the lattice index vectors are encoded losslessly (103)</p> |
