14a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/*---------------------------------------------------------------------------* 24a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * voicing.h * 34a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 44a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Copyright 2007, 2008 Nuance Communciations, Inc. * 54a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 64a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the 'License'); * 74a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * you may not use this file except in compliance with the License. * 84a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 94a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * You may obtain a copy of the License at * 104a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 * 114a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 124a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software * 134a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * distributed under the License is distributed on an 'AS IS' BASIS, * 144a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 154a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * See the License for the specific language governing permissions and * 164a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * limitations under the License. * 174a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 184a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project *---------------------------------------------------------------------------*/ 194a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 204a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 214a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 224a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#ifndef __voicing_h 234a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define __voicing_h 244a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 254a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#ifdef SET_RCSID 264a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectstatic const char voicing_h[] = "$Id: voicing.h,v 1.1.10.3 2007/08/31 17:44:53 dahan Exp $"; 274a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#endif 284a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 294a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 304a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include "hmm_type.h" 314a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 324a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define B0_HANG1 100 334a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define B0_HANG2 300 344a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define B0_RATE1 15 /* 256 * 0.06 */ 354a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define B0_RATE2 38 /* 256 * 0.15 */ 364a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define B1_RATE 26 /* 256 * 0.1 */ 374a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define DYNAMIC_RANGE (70 << 8) /* typical dynamic range */ 384a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 394a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/* The following are internal constants used by the voicing detector program 404a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project*/ 414a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define VOICE_MASK 0xfffffff0 424a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define VOICE_BIT 0x01L 434a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define QUIET_BIT 0x02L 444a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FAST_VOICE_BIT 0x04L 454a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define BELOW_THRESHOLD_BIT 0x08L 464a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define REC_VOICE_BIT 0x10L 474a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define REC_QUIET_BIT 0x20L 484a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define REC_UNSURE_BIT 0x40L 494a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 504a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define VOICING_DATA(X) ((X) & (VOICE_BIT | QUIET_BIT)) 514a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FAST_MATCH_DATA(X) ((X) & (FAST_VOICE_BIT | QUIET_BIT)) 524a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 534a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FAST_BIT_SET(X) ((X) & FAST_VOICE_BIT) 544a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define QUIET_BIT_SET(X) ((X) & QUIET_BIT) 554a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define RECOGNIZER_QUIET(X) ((X) & REC_QUIET_BIT) 564a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define SET_VOICING_CODES(X,C) (((X) & ~(REC_VOICE_BIT | REC_QUIET_BIT | REC_UNSURE_BIT)) | (C)) 574a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 584a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projecttypedef featdata voicedata; 594a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 604a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projecttypedef struct 614a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project{ 624a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int b0; /* background estimate, level 0 */ 634a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int b1; /* background estimate, level 1 */ 644a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int s0; 654a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int margin; 664a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int fast_margin; 674a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int quiet_margin; 684a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int voice_duration; /* threshold for consecutive speech frames */ 694a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int quiet_duration; /* threshold for consecutive silence frames */ 704a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int count; 714a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project long sil_count; /* no. of consecutive silence frames */ 724a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project long fast_count; /* no. of consecutive speech frames */ 734a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project long speech_count; /* no. of consecutive speech frames for barge-in */ 744a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int voice_status; /* voicing decision */ 754a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project} 764a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectvoicing_info; 774a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 784a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 794a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectvoid init_voicing_analysis(voicing_info *voice); 804a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectlong voicing_analysis(voicing_info *voice, voicedata enval, int* log); 814a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 824a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#endif 83