gaectx.c

TI公司DSP/tms320c55x/tms320c54x系列的声学回声消除代码

/*-------------------------------------------------------------------------*
 *                                                                         *
 *   THIS IS AN UNPUBLISHED WORK CONTAINING CONFIDENTIAL AND PROPRIETARY   *
 *   INFORMATION.  IF PUBLICATION OCCURS, THE FOLLOWING NOTICE APPLIES:    *
 *      "COPYRIGHT 2002 MIKET DSP SOLUTIONS, ALL RIGHTS RESERVED"          *
 *                                                                         *
 *-------------------------------------------------------------------------*/
#include "gaeci.h"

/*--------------------- local defs ----------------------------------------*/
/*--------------------- public vars ---------------------------------------*/
/*--------------------- local vars ----------------------------------------*/
/*--------------------- local functions -----------------------------------*/
/*--------------------- public functions ----------------------------------*/

/*-------------------------------------------------------------------------*/
void                        gaec_tx_process
/*-------------------------------------------------------------------------*/
(
GAEC_tDb *pDb,
GAEC_tSc *pSc,
S16 *psRcv
)
{
    // asTmp use: GAEC_BANDS+1
    gaec_tx_analysis(pDb, pSc, psRcv);
    gaec_nrg_err(pDb->aasT, pSc->asRinEn);
    gaec_tx_vad(pDb, pSc);
    gaec_tx_att(pDb, pSc);

	// during double talk or fast convergence
    if (!(pDb->uControl & IGAEC_CMD_RCV_NSE_OFF) &&
    	 ((pDb->uIsDT) || (pDb->uAdfMode == 2)))
    {
        gaec_nrg_err(pSc->aasErr0, pSc->u.asTmp);
        gaec_tx_nse(pDb, pSc);
    }
    gaec_fb_synthesis(pSc->aasErr0, psRcv);
}