icbsearch.h

Ilibc 语音编解码库算法。语音质量高。接口简单。

   
   /******************************************************************
   
       iLBC Speech Coder ANSI-C Source Code
   
       iCBSearch.h        
   
       Copyright (C) The Internet Society (2004). 
       All Rights Reserved.
   
   ******************************************************************/
   
   #ifndef __iLBC_ICBSEARCH_H
   #define __iLBC_ICBSEARCH_H
   
   void iCBSearch(
       iLBC_Enc_Inst_t *iLBCenc_inst, 
                           /* (i) the encoder state structure */
       int *index,         /* (o) Codebook indices */
       int *gain_index,/* (o) Gain quantization indices */
       float *intarget,/* (i) Target vector for encoding */    
       float *mem,         /* (i) Buffer for codebook construction */
       int lMem,           /* (i) Length of buffer */
       int lTarget,    /* (i) Length of vector */
       int nStages,    /* (i) Number of codebook stages */
       float *weightDenum, /* (i) weighting filter coefficients */
   
   
       float *weightState, /* (i) weighting filter state */
       int block           /* (i) the sub-block number */
   );
   
   #endif