pinebuds/services/multimedia/speech/inc/recognition.h

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2022-08-15 04:20:27 -05:00
/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __RECOGNITION_H__
#define __RECOGNITION_H__
#include "vad.h"
#include "mfcc.h"
#define VOICE_RECOGNITION_NN (120)
#define VOICE_RECOGNITION_OVLP (60)
#define VOICE_RECOGNITION_FFTFRAME (240)
#define VOICE_RECOGNITION_MODE_NUM_MAX (8)
typedef struct{
vad_t vad;
mfcc_t mfcc;
mfcc_vct_t mfcc_vct;
int tag;
short in_tmp[VOICE_RECOGNITION_NN * 2 + VOICE_RECOGNITION_OVLP];
int dis_thr;
mfcc_vct_t *mode[VOICE_RECOGNITION_MODE_NUM_MAX];
unsigned char mode_num;
} mfcc_extract_t;
int speech_recognition_process(mfcc_extract_t *mfcc_exec, short *buf, unsigned int len);
#endif // __RECOGNITION_H__