| /*---------------------------------------------------------------------------* |
| * channorm.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 __channorm_h |
| #define __channorm_h |
| |
| #ifdef SET_RCSID |
| static const char channorm_h[] = "$Id: channorm.h,v 1.1.10.4 2007/08/31 17:44:52 dahan Exp $"; |
| #endif |
| |
| #include "all_defs.h" |
| #include "hmm_type.h" |
| #include "specnorm.h" |
| |
| |
| typedef struct |
| { |
| int dim; |
| int init[MAX_CHAN_DIM]; /* Values located in the .CMN file */ |
| int target[MAX_CHAN_DIM]; /* Values located in the .TMN file */ |
| int adjust[MAX_CHAN_DIM]; |
| int adj_valid; |
| imeldata imelda_adjust[MAX_CHAN_DIM]; |
| } |
| norm_info; |
| |
| norm_info *create_channel_normalization(void); |
| void destroy_channel_normalization(norm_info *channorm); |
| void apply_channel_normalization(norm_info *channorm, imeldata *fram, |
| int dimen); |
| void apply_channel_normalization_in_imelda(norm_info *channorm, |
| imeldata *outframe, |
| imeldata *frame, int dimen); |
| void estimate_normalization_parameters(norm_info *channorm, |
| spect_dist_info **chandata, int dimen); |
| void setup_channel_normalization(norm_info *channorm, |
| spect_dist_info **chandata, int dimen, |
| int forget_factor); |
| void clear_channel_normalization(spect_dist_info **chandata, int dimen); |
| int load_channel_parameters(char *basename, norm_info *channorm); |
| |
| void setup_ambient_estimation(spect_dist_info **backchan, int dimen, |
| int forget_factor); |
| void clear_ambient_estimation(spect_dist_info **backchan, int dimen); |
| |
| |
| #endif |