lsp2lpc.h

来自「在ADI的Blackfin系列DSP上编写的语音＆音频程序」· C头文件 代码 · 共 30 行

#define PRINTF_SUPPORT 
#define MAX_PERMISSIBLE_ERROR  2
#define FiltOrd 10                     //filter order
#define TRUE 1
#define FALSE 0

typedef int fract32;
typedef short fract16;

segment ("mydata1") fract16 lpc[FiltOrd+1];

segment ("mydata2") fract16 lsp1[FiltOrd] =
{32299,31299,27602,21758,12928,487,-10989,-20612,-27466,-30892};

fract16 LpcExpd1[FiltOrd+1]=
{4096,-4552,-705,1378,670,-719,225,-366,476,-117,54};

segment ("mydata2") fract16 lsp2[FiltOrd] = 
{32142,31192,28764,24917,18525,11404,-5847,-18329,-27408,-30650};

fract16 LpcExpd2[FiltOrd+1]=
{4096,-8089,3626,2925,-2254,-1635,2067,-476,615,-1226,641};

segment ("mydata2") fract16 lsp3[FiltOrd] = 
{32030,30292,27765,24529,19115,13488,-4187,-19828,-25965,-30080};

fract16 LpcExpd3[FiltOrd+1]=
{4096,-8395,4718,2190,-1685,-3276,3699,-350,-856,-64,301};