Sub-band processing complexity reduction

Details Sub-band processing complexity reduction Sub-band processing complexity reduction

H - Electricity

03

M

H03M 7/30 (2006.01) H04B 1/66 (2006.01)

Patent

CA 2729707

A sub-band processing system that reduces computational complexity and memory requirements includes a processor and a local or distributed memory. Logic stored in the memory partitions a frequency spectrum of bins into a smaller number of sub- bands. The logic enables a lossy compression by designating a magnitude and a designated or derived phase of each bin in the frequency spectrum as representative. The logic renders a lossless compression by decompressing the lossy compressed data and providing lost data based on original spectral relationships contained within the frequency spectrum.

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