48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef _SPEECH_NOISE_GATE_H_
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#define _SPEECH_NOISE_GATE_H_
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#include <stdint.h>
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typedef struct {
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int32_t bypass;
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int32_t data_threshold;
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int32_t data_shift;
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float factor_up;
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float factor_down;
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} NoisegateConfig;
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struct NoisegateState_;
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typedef struct NoisegateState_ NoisegateState;
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#ifdef __cplusplus
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extern "C" {
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#endif
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NoisegateState* speech_noise_gate_create(int32_t sample_rate, int32_t frame_size, const NoisegateConfig *cfg);
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int32_t speech_noise_gate_destroy(NoisegateState *st);
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int32_t speech_noise_gate_set_config(NoisegateState *st, const NoisegateConfig *cfg);
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int32_t speech_noise_gate_process(NoisegateState *st, int16_t *pcm_buf, int32_t pcm_len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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