nrf_dsp_audio_mels.h

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/*
 * Copyright (c) 2026 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
#ifndef _NRF_DSP_EXP_AUDIO_MELS_FUNCTIONS_H_
#define _NRF_DSP_EXP_AUDIO_MELS_FUNCTIONS_H_
 
#include <nrf_edgeai/dsp/nrf_dsp_types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
void nrf_dsp_audio_mels_init(uint16_t sample_rate,
                             uint16_t window_size_ms,
                             uint16_t window_step_size_ms,
                             uint16_t mel_bins_num,
                             uint16_t mel_fmin,
                             uint16_t mel_fmax);
 
void nrf_dsp_audio_mels_deinit(void);
 
uint16_t nrf_dsp_audio_mels_process(const int16_t* p_audio_samples,
                                    uint16_t       num_samples,
                                    flt32_t*       p_mels);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _NRF_DSP_EXP_AUDIO_MELS_FUNCTIONS_H_ */