Edge AI Add-on API 2.2.0
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nrf_dsp_spectral_spread.h
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1/*
2 * Copyright (c) 2026 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
5 */
18#ifndef _NRF_DSP_SPECTRAL_SPREAD_H_
19#define _NRF_DSP_SPECTRAL_SPREAD_H_
20
21#include <nrf_edgeai/dsp/nrf_dsp_types.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
37flt32_t nrf_dsp_spectral_spread_f32(flt32_t p_spectrum[],
38 uint16_t num,
39 nrf_dsp_spectral_ctx_f32_t* p_ctx);
40
51int16_t nrf_dsp_spectral_spread_i16(int16_t p_spectrum[],
52 uint16_t num,
53 nrf_dsp_spectral_ctx_i16_t* p_ctx);
54
55#ifdef __cplusplus
56}
57#endif
58
59#endif /* _NRF_DSP_SPECTRAL_SPREAD_H_ */
60
nrf_dsp_spectral_spread_f32
flt32_t nrf_dsp_spectral_spread_f32(flt32_t p_spectrum[], uint16_t num, nrf_dsp_spectral_ctx_f32_t *p_ctx)
Calculate Spectral Spread in floating-point spectrum.
nrf_dsp_spectral_spread_i16
int16_t nrf_dsp_spectral_spread_i16(int16_t p_spectrum[], uint16_t num, nrf_dsp_spectral_ctx_i16_t *p_ctx)
Calculate Spectral Spread 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