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3GPP2 C.S0014-A - Enhanced Variable Rate Codec, Speech Service Option 3 for Wideband Spread Spectrum Digital Systems
- a document about QCELP
spread spectrum
- function set is provided to the student to generate two spread codes. It is not an ideal generator but simply generates an excess of pseudo-random uniformly distributed sequences, partitions that into a large set of spread codes and then selects the