SynthesisFilter_AMRWB

Reconstructs the speech signal from LP coefficients and residuals.

Syntax

IppStatus ippsSynthesisFilter_AMRWB_16s32s_I(const Ipp16s* pSrcLpc, int order, const Ipp16s* pSrcExc, Ipp32s* pSrcDstSignal, int len);

Parameters

pSrcLpc

Pointer to the LP coefficients vector a0, a1 ,...,aorder

order

Order of LP filter.

pSrcExc

Pointer to the excitation vector.

pSrcDstSignal

Pointer to the synthesized and updated speech.

len

Length of the filter.

Description

This function is declared in ippsc.h file. It computes the filter given by:



Return Values

ippStsNoErr

Indicates no error.

ippStsNullPtrErr

Indicates an error when one of the specified pointers is NULL.

IppStsSizeErr

Indicates an error when len or order is less than or equal to zero.

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