gainquant.h

来自「MiniSip Client with DomainKeys Authentic」· C头文件 代码 · 共 36 行

//A.21 gainquant.h 
    
   /****************************************************************** 
    
       iLBC Speech Coder ANSI-C Source Code 
    
       gainquant.h                                          
    
       Copyright (c) 2001, 
       Global IP Sound AB. 
       All rights reserved. 
    
   ******************************************************************/ 
    
   #ifndef __iLBC_GAINQUANT_H 
   #define __iLBC_GAINQUANT_H 
    
   float gainquant(/* (o) quantized gain value */ 
       float in,       /* (i) gain value */ 
       float maxIn,/* (i) maximum of gain value */ 
       int cblen,      /* (i) number of quantization indices */ 
       int *index      /* (o) quantization index */ 
   ); 
    
   float gaindequant(  /* (o) quantized gain value */ 
       int index,      /* (i) quantization index */ 
     
       float maxIn,/* (i) maximum of unquantized gain */ 
       int cblen       /* (i) number of quantization indices */ 
   ); 
    
   #endif