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borderline
2005 Jan 13
1
autocorrelation and levinson-durbin
hi,
am trying to understand speex's algo.
have a few questions.
1) autocorrelation:
in the function, _spx_autocorr (for floating point
version), there is a line
ac[0] += 10;
correct me if i am wrong, i suppose the addition of
10 is used to condition the autocorrelation matrix.
wonder how the value of 10 is arrived at?
2) levinson durbin (LD) algo
in the function _spx_lpc,
i referred