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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
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