Levinson Durbin Algorithm

Functions
RISCV_DSP_ATTRIBUTE void	riscv_levinson_durbin_f16 (const float16_t *phi, float16_t *a, float16_t *err, int nbCoefs)
	Levinson Durbin. More...
RISCV_DSP_ATTRIBUTE void	riscv_levinson_durbin_f32 (const float32_t *phi, float32_t *a, float32_t *err, int nbCoefs)
	Levinson Durbin. More...
RISCV_DSP_ATTRIBUTE void	riscv_levinson_durbin_q31 (const q31_t *phi, q31_t *a, q31_t *err, int nbCoefs)
	Levinson Durbin. More...

Detailed Description

Function Documentation

riscv_levinson_durbin_f16()

RISCV_DSP_ATTRIBUTE void riscv_levinson_durbin_f16	(	const float16_t *	phi,
		float16_t *	a,
		float16_t *	err,
		int	nbCoefs
	)

Levinson Durbin.

Parameters

[in]	phi	autocovariance vector starting with lag 0 (length is nbCoefs + 1)
[out]	a	autoregressive coefficients
[out]	err	prediction error (variance)
[in]	nbCoefs	number of autoregressive coefficients

riscv_levinson_durbin_f32()

RISCV_DSP_ATTRIBUTE void riscv_levinson_durbin_f32	(	const float32_t *	phi,
		float32_t *	a,
		float32_t *	err,
		int	nbCoefs
	)

Levinson Durbin.

Parameters

[in]	phi	autocovariance vector starting with lag 0 (length is nbCoefs + 1)
[out]	a	autoregressive coefficients
[out]	err	prediction error (variance)
[in]	nbCoefs	number of autoregressive coefficients

riscv_levinson_durbin_q31()

RISCV_DSP_ATTRIBUTE void riscv_levinson_durbin_q31	(	const q31_t *	phi,
		q31_t *	a,
		q31_t *	err,
		int	nbCoefs
	)

Levinson Durbin.

Parameters

[in]	phi	autocovariance vector starting with lag 0 (length is nbCoefs + 1)
[out]	a	autoregressive coefficients
[out]	err	prediction error (variance)
[in]	nbCoefs	number of autoregressive coefficients