/* Low-pass FIR Filter - Fs = 48 KHz, Fc = 4KHz */

#define TX_PRE_FILTER_LENGTH 65

SLData_t	TxPreFilterState [TX_PRE_FILTER_LENGTH];		/* Second order */
SLArrayIndex_t	TxPreFilterIndex;

	/* Floating point coefficients */
SLData_t TxPreFilterCoeffs [] =
{
	-5.14992445549231330600e-04,
	-1.08012271232981946200e-03,
	-1.79871604163860479000e-03,
	-2.32712496934081624100e-03,
	-2.27214077079759347100e-03,
	-1.30028138268203029800e-03,
	6.63359121229396722400e-04,
	3.28142183105471947600e-03,
	5.78721942712145595600e-03,
	7.16816050990245513800e-03,
	6.53435426022742557600e-03,
	3.55287090179154082000e-03,
	-1.22558782932997881000e-03,
	-6.33823058555480281500e-03,
	-9.77387663124081214300e-03,
	-9.68291171420569696200e-03,
	-5.20963833333394372300e-03,
	2.87946461282460224400e-03,
	1.20941509493820396900e-02,
	1.88160683851618625000e-02,
	1.95093318193091044800e-02,
	1.21943756061523942600e-02,
	-2.34610046868170265800e-03,
	-2.01511548877609941700e-02,
	-3.47668196503180607100e-02,
	-3.89708989152726184600e-02,
	-2.70819708004762203800e-02,
	2.88234471082422349200e-03,
	4.79651803597203260600e-02,
	1.00474425870090006140e-01,
	1.49701785099277118200e-01,
	1.84713837562567456700e-01,
	1.97383932766100722600e-01,
	1.84713837562567456700e-01,
	1.49701785099277118200e-01,
	1.00474425870090006140e-01,
	4.79651803597203260600e-02,
	2.88234471082422349200e-03,
	-2.70819708004762203800e-02,
	-3.89708989152726184600e-02,
	-3.47668196503180607100e-02,
	-2.01511548877609941700e-02,
	-2.34610046868170265800e-03,
	1.21943756061523942600e-02,
	1.95093318193091044800e-02,
	1.88160683851618625000e-02,
	1.20941509493820396900e-02,
	2.87946461282460224400e-03,
	-5.20963833333394372300e-03,
	-9.68291171420569696200e-03,
	-9.77387663124081214300e-03,
	-6.33823058555480281500e-03,
	-1.22558782932997881000e-03,
	3.55287090179154082000e-03,
	6.53435426022742557600e-03,
	7.16816050990245513800e-03,
	5.78721942712145595600e-03,
	3.28142183105471947600e-03,
	6.63359121229396722400e-04,
	-1.30028138268203029800e-03,
	-2.27214077079759347100e-03,
	-2.32712496934081624100e-03,
	-1.79871604163860479000e-03,
	-1.08012271232981946200e-03,
	-5.14992445549231330600e-04
};