Patent ID: 8209189

Claim:
A computer-implemented audio bit stream decoding method comprising: processing by the computer a bit stream received from a transmission device, said bit stream representing in substance a unit of audio signal data, said bit stream comprising an encoded subblock of residual data, said subblock having been partitioned from a block of said residual data, said block of said residual data having been generated from applying a prediction filter to a block or a subblock of audio signal data, said subblock of residual data having been encoded utilizing a plurality of statistical measures characterizing a distribution of said subblock of residual data to assist in reducing an amount of data having to be included in said bit stream, said plurality of statistical measures including at least two of: a mean of said subblock of residual data, a variance of said subblock of residual data, an estimate of said variance, a skewness of said distribution, and a kurtosis of said distribution; determining, by the computer according to said bit stream, said plurality of statistical measures characterizing said distribution of said subblock of residual data; and reconstructing in substance said subblock of residual data, by the computer, according to said encoded subblock of residual data and said determined plurality of statistical measures characterizing said distribution of said subblock of residual data.