Manual Pages for UNIX Operating System command usage for man mlib_SignalEmphasize_S16S_S16S_Sat

mediaLib Library Functions
                          mlib_SignalEmphasize_S16_S16_Sat(3MLIB)



NAME
     mlib_SignalEmphasize_S16_S16_Sat,
     mlib_SignalEmphasize_S16S_S16S_Sat,
     mlib_SignalEmphasize_F32_F32, mlib_SignalEmphasize_F32S_F32S
     - signal pre-emphasizing

SYNOPSIS
     cc [ flag... ] file... -lmlib [ library... ]
     #include 

     mlib_status mlib_SignalEmphasize_S16_S16_Sat(mlib_s16 *dst,
          const mlib_s16 *src, void *filter, mlib_s32 n);


     mlib_status mlib_SignalEmphasize_S16S_S16S_Sat(mlib_s16 *dst,
          const mlib_s16 *src, void *filter, mlib_s32 n);


     mlib_status mlib_SignalEmphasize_F32_F32(mlib_f32 *dst,
          const mlib_f32 *src, void *filter, mlib_s32 n);


     mlib_status mlib_SignalEmphasize_F32S_F32S(mlib_f32 *dst,
          const mlib_f32 *src, void *filter, mlib_s32 n);


DESCRIPTION
     Each of these functions applies  the  preemphasizer  to  one
     signal packet and updates the filter states.


     For monaural signals, the following equation is used:

       dst[i] = src[i] - alpha*src[i - 1]



     where i = 0, 1, ..., (n - 1); src[-1] = 0.


     For stereo signals, the following equation is used:

       dst[2*i]     = src[2*i]     - alpha*src[2*(i - 1)]
       dst[2*i + 1] = src[2*i + 1] - alpha*src[2*(i - 1) + 1]



     where i = 0, 1, ..., (n - 1); src[-2] = src[-1] = 0.

PARAMETERS




SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions
                          mlib_SignalEmphasize_S16_S16_Sat(3MLIB)



     Each of the functions takes the following arguments:

     dst       Destination signal array.


     src       Source signal array.


     filter    Internal filter structure.


     n         Number of samples in the source signal array.


RETURN VALUES
     Each of the functions returns  MLIB_SUCCESS  if  successful.
     Otherwise it returns MLIB_FAILURE.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO
     mlib_SignalEmphasizeFree_S16_S16(3MLIB),
     mlib_SignalEmphasizeInit_S16_S16(3MLIB), attributes(5)


















SunOS 5.11           Last change: 2 Mar 2007                    2






mediaLib Library Functions
                          mlib_SignalEmphasize_S16_S16_Sat(3MLIB)






















































SunOS 5.11           Last change: 2 Mar 2007                    3