| /*---------------------------------------------------------------------------* |
| * specnorm.h * |
| * * |
| * Copyright 2007, 2008 Nuance Communciations, Inc. * |
| * * |
| * Licensed under the Apache License, Version 2.0 (the 'License'); * |
| * you may not use this file except in compliance with the License. * |
| * * |
| * You may obtain a copy of the License at * |
| * http://www.apache.org/licenses/LICENSE-2.0 * |
| * * |
| * Unless required by applicable law or agreed to in writing, software * |
| * distributed under the License is distributed on an 'AS IS' BASIS, * |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * |
| * See the License for the specific language governing permissions and * |
| * limitations under the License. * |
| * * |
| *---------------------------------------------------------------------------*/ |
| |
| |
| |
| #ifndef __specnorm_h |
| #define __specnorm_h |
| |
| #ifdef SET_RCSID |
| static const char specnorm_h[] = "$Id: specnorm.h,v 1.1.10.4 2007/08/31 17:44:53 dahan Exp $"; |
| #endif |
| |
| |
| |
| #include "hmm_type.h" |
| |
| |
| #define USE_MEDIAN 0 |
| #define USE_MEAN 1 |
| |
| #define C0_MARGIN 19 |
| #define MEDIAN_SPREAD 20 |
| #define MIN_COUNT 1 /* was 20 */ |
| |
| #define SV6_TO_MEAN 30 /* units of C0 */ |
| |
| #define UNIT_SIZE 1 |
| |
| /** |
| * @todo document |
| */ |
| typedef struct |
| { |
| int gain_used; |
| int offset; |
| int forget_factor; |
| int estimate_period; |
| long count; |
| long *hist; |
| int low_entry; |
| int high_entry; |
| long high_counts; |
| long low_counts; |
| int perc_high; |
| int estimate_percentile; |
| int sv6_margin; |
| int sv6; |
| int median; |
| int mean; |
| int devn; |
| long mean_count; |
| long running_total; |
| long running_total_devn; |
| } |
| spect_dist_info; |
| |
| spect_dist_info *create_spectrum_distribution(int offset, int initial_median, |
| int low_entry, int high_entry, |
| int forget_factor, |
| int estimate_period, int estimate_percentile, |
| int sv6_margin); |
| |
| void destroy_spectrum_distribution(spect_dist_info *spec); |
| void clear_distribution_counts(spect_dist_info *spec); |
| void clear_mean_counts(spect_dist_info *spec); |
| void forget_distribution_counts(spect_dist_info *spec, int forget_factor); |
| void shift_distribution_counts(spect_dist_info *spec, int shift); |
| int add_distribution_data(spect_dist_info *spec, int spec_val); |
| void evaluate_parameters(spect_dist_info *spec); |
| int estimate_percentile(spect_dist_info *spec, int percentile); |
| void estimate_mean(spect_dist_info *spec, int forget_factor); |
| void estimate_sv6(spect_dist_info *spec); |
| int median_normalize_data(spect_dist_info *spec, int spec_val); |
| int mean_normalize_data(spect_dist_info *spec, int spec_val); |
| int sv6_normalize_data(spect_dist_info *spec, int spec_val); |
| void shift_parameters(spect_dist_info *spec, int shift); |
| |
| |
| #endif |