Upsample_AMRWBE

Performs signal oversampling.

Syntax

IppStatus ippsUpsample_AMRWBE_16s(const Ipp16s* pSrcSignal, Ipp16s* pSrcDstSignal, int lenDst, Ipp16s* pMem, Ipp32s bandIdx, Ipp32s addFlag);

Parameters

pSrcSignal	Pointer to source signal signal [1024].
pSrcDstSignal	Pointer to the destination oversampled signal.
lenDst	Length of destination vector, [640] for 8kHz output signal, [1280] for 16kHz and [1920] for 24kHz.
pMem	Pointer to the memory for oversampling [24].
bandIdx	Index of interpolating band; possible values: 0 for 0..6.4k band, any other value for 6.4..10.8k band.
addFlag	Flag for adding operation; if it equals to `1` then the result is added to the output vector, if it equals to `0` - the result is not added.

Description

The function ippsUpsample_AMRWBE is declared in ippsc.h file. This function performs the signal oversampling of the source vector pSrcSignal. This operation is inverse of the operation described in the decsription of the function ippsDownsample_AMRWBE.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error when one of the specified pointer is NULL.
ippStsSizeErr	Indicates an error when lenDst has an illegal value.