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-rw-r--r--branches/1.0/thirdparties/win32/include/ilbc/helpfun.h107
1 files changed, 0 insertions, 107 deletions
diff --git a/branches/1.0/thirdparties/win32/include/ilbc/helpfun.h b/branches/1.0/thirdparties/win32/include/ilbc/helpfun.h
deleted file mode 100644
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--- a/branches/1.0/thirdparties/win32/include/ilbc/helpfun.h
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@@ -1,107 +0,0 @@
- /******************************************************************
-
- iLBC Speech Coder ANSI-C Source Code
-
- helpfun.h
-
- Copyright (C) The Internet Society (2004).
- All Rights Reserved.
-
- ******************************************************************/
-
- #ifndef __iLBC_HELPFUN_H
- #define __iLBC_HELPFUN_H
-
- void autocorr(
- float *r, /* (o) autocorrelation vector */
- const float *x, /* (i) data vector */
- int N, /* (i) length of data vector */
- int order /* largest lag for calculated
- autocorrelations */
- );
-
- void window(
- float *z, /* (o) the windowed data */
- const float *x, /* (i) the original data vector */
- const float *y, /* (i) the window */
- int N /* (i) length of all vectors */
- );
-
- void levdurb(
- float *a, /* (o) lpc coefficient vector starting
- with 1.0 */
- float *k, /* (o) reflection coefficients */
- float *r, /* (i) autocorrelation vector */
- int order /* (i) order of lpc filter */
- );
-
- void interpolate(
-
-
-
-
-
-
- float *out, /* (o) the interpolated vector */
- float *in1, /* (i) the first vector for the
- interpolation */
- float *in2, /* (i) the second vector for the
- interpolation */
- float coef, /* (i) interpolation weights */
- int length /* (i) length of all vectors */
- );
-
- void bwexpand(
- float *out, /* (o) the bandwidth expanded lpc
- coefficients */
- float *in, /* (i) the lpc coefficients before bandwidth
- expansion */
- float coef, /* (i) the bandwidth expansion factor */
- int length /* (i) the length of lpc coefficient vectors */
- );
-
- void vq(
- float *Xq, /* (o) the quantized vector */
- int *index, /* (o) the quantization index */
- const float *CB,/* (i) the vector quantization codebook */
- float *X, /* (i) the vector to quantize */
- int n_cb, /* (i) the number of vectors in the codebook */
- int dim /* (i) the dimension of all vectors */
- );
-
- void SplitVQ(
- float *qX, /* (o) the quantized vector */
- int *index, /* (o) a vector of indexes for all vector
- codebooks in the split */
- float *X, /* (i) the vector to quantize */
- const float *CB,/* (i) the quantizer codebook */
- int nsplit, /* the number of vector splits */
- const int *dim, /* the dimension of X and qX */
- const int *cbsize /* the number of vectors in the codebook */
- );
-
-
- void sort_sq(
- float *xq, /* (o) the quantized value */
- int *index, /* (o) the quantization index */
- float x, /* (i) the value to quantize */
- const float *cb,/* (i) the quantization codebook */
- int cb_size /* (i) the size of the quantization codebook */
- );
-
- int LSF_check( /* (o) 1 for stable lsf vectors and 0 for
-
-
-
-
-
-
- nonstable ones */
- float *lsf, /* (i) a table of lsf vectors */
- int dim, /* (i) the dimension of each lsf vector */
- int NoAn /* (i) the number of lsf vectors in the
- table */
- );
-
- #endif
-
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