filt0500.h

EP931X系列的WinCE声卡驱动源代码

//****************************************************************************
//
// FILT0500.H - Polyphase sample rate conversion filter with a ratio of 0.5.
//
// Copyright (c) 2000,2001 Cirrus Logic, Inc.
//
//****************************************************************************
static const struct
{
    short sNumPolyPhases;
    short sSampleIncrement;
    short sNumTaps;
    short sUnused;
    short sCoefs[1][13];
} SRCFilter_0_5 =
{
    1,
    2,
    13,
    0,
    {
        {     0,   266,     0, -1687,     0,  8803, 14738,
           8803,     0, -1687,     0,   266,     0 }
    }
};