createCB.h

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 /******************************************************************

 iLBC Speech Coder ANSI-C Source Code

 createCB.h

 Copyright (C) The Internet Society (2004).
 All Rights Reserved.

 ******************************************************************/

 #ifndef __iLBC_CREATECB_H
 #define __iLBC_CREATECB_H

 void filteredCBvecs(
 float *cbvectors, /* (o) Codebook vector for the
 higher section */





 float *mem, /* (i) Buffer to create codebook
 vectors from */
 int lMem /* (i) Length of buffer */
 );

 void searchAugmentedCB(
 int low, /* (i) Start index for the search */
 int high, /* (i) End index for the search */
 int stage, /* (i) Current stage */
 int startIndex, /* (i) CB index for the first
 augmented vector */
 float *target, /* (i) Target vector for encoding */
 float *buffer, /* (i) Pointer to the end of the
 buffer for augmented codebook
 construction */
 float *max_measure, /* (i/o) Currently maximum measure */
 int *best_index,/* (o) Currently the best index */
 float *gain, /* (o) Currently the best gain */
 float *energy, /* (o) Energy of augmented
 codebook vectors */
 float *invenergy/* (o) Inv energy of aug codebook
 vectors */
 );

 void createAugmentedVec(
 int index, /* (i) Index for the aug vector
 to be created */
 float *buffer, /* (i) Pointer to the end of the
 buffer for augmented codebook
 construction */
 float *cbVec /* (o) The construced codebook vector */
 );

 #endif