Edge AI Add-on API 2.2.0
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nrf_dsp_spectral_centroid.h
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1/*
2 * Copyright (c) 2026 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
5 */
17#ifndef _NRF_DSP_SPECTRAL_CENTROID_H_
18#define _NRF_DSP_SPECTRAL_CENTROID_H_
19
20#include <nrf_edgeai/dsp/nrf_dsp_types.h>
21
22#ifdef __cplusplus
23extern "C" {
24#endif
25
36flt32_t nrf_dsp_spectral_centroid_f32(flt32_t p_spectrum[],
37 uint16_t num,
38 nrf_dsp_spectral_ctx_f32_t* p_ctx);
39
50int16_t nrf_dsp_spectral_centroid_i16(int16_t p_spectrum[],
51 uint16_t num,
52 nrf_dsp_spectral_ctx_i16_t* p_ctx);
53
54#ifdef __cplusplus
55}
56#endif
57
58#endif /* _NRF_DSP_SPECTRAL_CENTROID_H_ */
59
nrf_dsp_spectral_centroid_f32
flt32_t nrf_dsp_spectral_centroid_f32(flt32_t p_spectrum[], uint16_t num, nrf_dsp_spectral_ctx_f32_t *p_ctx)
Calculate Spectral Centroid in floating-point spectrum.
nrf_dsp_spectral_centroid_i16
int16_t nrf_dsp_spectral_centroid_i16(int16_t p_spectrum[], uint16_t num, nrf_dsp_spectral_ctx_i16_t *p_ctx)
Calculate Spectral Centroid in INT16 fixed-point spectrum.
nrf_dsp_types.h
flt32_t
float flt32_t
32-bit floating-point type definition.
Definition nrf_edgeai_ctypes.h:21
nrf_dsp_spectral_ctx_f32_s
Floating-point spectral reusable context, in which is used to store derived or intermediate metrics t...
Definition nrf_dsp_types.h:107
nrf_dsp_spectral_ctx_i16_s
INT16-fixed-point spectral reusable context, in which is used to store derived or intermediate metric...
Definition nrf_dsp_types.h:168