hmm_03.cc

这是一个从音频信号里提取特征参量的程序

  // read the config file
  //
  if (parser.isPresent(sof_a, PARAM_CONFIGURATION_FILE)) {
    if (!cnfg_file_d.readData(sof_a, PARAM_CONFIGURATION_FILE,
 			      parser.getEntry(sof_a,
 					      PARAM_CONFIGURATION_FILE))) {
       
      // return a warning message
      //
      return Error::handle(name(), L"readData", Error::READ,
  			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the front-end file
  //
  if (parser.isPresent(sof_a, PARAM_FRONT_END_FILE)) {
    if (!fend_file_d.readData(sof_a, PARAM_FRONT_END_FILE,
 			      parser.getEntry(sof_a,
 					      PARAM_FRONT_END_FILE))) {
       
      // return a warning message
      //
      return Error::handle(name(), L"readData", Error::READ,
  			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  
  // read the updated model file
  //
  if (parser.isPresent(sof_a, PARAM_UPDATE_LANGUAGE_MODEL_FILE)) {
    if (!update_lm_model_file_d.readData(sof_a, PARAM_UPDATE_LANGUAGE_MODEL_FILE,
			       parser.getEntry(sof_a,
						PARAM_UPDATE_LANGUAGE_MODEL_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the updated statistics file
  //
  if (parser.isPresent(sof_a, PARAM_UPDATE_ACOUSTIC_MODEL_FILE)) {
    if (!update_ac_model_file_d.readData(sof_a, PARAM_UPDATE_ACOUSTIC_MODEL_FILE,
			       parser.getEntry(sof_a,
						PARAM_UPDATE_ACOUSTIC_MODEL_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }  

  // read the variance floor file
  //
  if (parser.isPresent(sof_a, PARAM_VAR_FLOOR_FILE)) {
    if (!variance_floor_file_d.readData(sof_a, PARAM_VAR_FLOOR_FILE,
			       parser.getEntry(sof_a,
						PARAM_VAR_FLOOR_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the variance floor
  //
  if (parser.isPresent(sof_a, PARAM_VAR_FLOOR)) {
    if (!variance_floor_d.readData(sof_a, PARAM_VAR_FLOOR,
				   parser.getEntry(sof_a,
						   PARAM_VAR_FLOOR))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    variance_floor_d.assign(DEF_VAR_FLOOR);
  }    

  // read the beta threshold
  //
  if (parser.isPresent(sof_a, PARAM_BETA_THRESHOLD)) {
    if (!beta_threshold_d.readData(sof_a, PARAM_BETA_THRESHOLD,
				   parser.getEntry(sof_a,
						   PARAM_BETA_THRESHOLD))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    beta_threshold_d.assign(DEF_BETA_PRUNING_THRESHOLD);
  }    
  
  // read the transcription file
  //
  if (parser.isPresent(sof_a, PARAM_TRANS_DB_FILE)) {
    if (!transcription_db_file_d.readData(sof_a, PARAM_TRANS_DB_FILE,
					  parser.getEntry(sof_a,
							  PARAM_TRANS_DB_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the audio database file
  //
  if (parser.isPresent(sof_a, PARAM_AUDIO_DB_FILE)) {
    if (!audio_db_file_d.readData(sof_a, PARAM_AUDIO_DB_FILE,
			       parser.getEntry(sof_a,
					       PARAM_AUDIO_DB_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the output mode
  //
  if (parser.isPresent(sof_a, PARAM_OUTPUT_MODE)) {
    if (!OUTPUT_MODE_MAP.readElementData((long&)output_mode_d, sof_a,
					 PARAM_OUTPUT_MODE,
				  parser.getEntry(sof_a, PARAM_OUTPUT_MODE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    output_mode_d = DEF_OUTPUT_MODE;
  }

  // read the cross-word mode
  //
  if (parser.isPresent(sof_a, PARAM_FUNCTION_MODE)) {
    if (!FUNCTION_MODE_MAP.readElementData((long&)function_mode_d, sof_a,
					 PARAM_FUNCTION_MODE,
			       parser.getEntry(sof_a, PARAM_FUNCTION_MODE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    function_mode_d = DEF_FUNCTION_MODE;
  }

  // read the context mode
  //
  if (parser.isPresent(sof_a, PARAM_CONTEXT_MODE)) {
    if (!CONTEXT_MODE_MAP.readElementData((long&)context_mode_d, sof_a,
					 PARAM_CONTEXT_MODE,
				 parser.getEntry(sof_a, PARAM_CONTEXT_MODE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    context_mode_d = DEF_CONTEXT_MODE;
  }
  
  // read the output format
  //
  if (parser.isPresent(sof_a, PARAM_OUTPUT_FORMAT)) {
    if (!OUTPUT_FORMAT_MAP.readElementData((long&)output_format_d, sof_a,
					 PARAM_OUTPUT_FORMAT,
				  parser.getEntry(sof_a, PARAM_OUTPUT_FORMAT))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    output_format_d = DEF_OUTPUT_FORMAT;
  }
  
  // read the output type
  //
  if (parser.isPresent(sof_a, PARAM_OUTPUT_TYPE)) {
    if (!OUTPUT_TYPE_MAP.readElementData((long&)output_type_d, sof_a,
					 PARAM_OUTPUT_TYPE,
				  parser.getEntry(sof_a, PARAM_OUTPUT_TYPE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    output_type_d = DEF_OUTPUT_TYPE;
  }
  
  // read the update mode
  //
  if (parser.isPresent(sof_a, PARAM_UPDATE_MODE)) {
    if (!UPDATE_MODE_MAP.readElementData((long&)update_mode_d, sof_a,
					 PARAM_UPDATE_MODE,
				  parser.getEntry(sof_a, PARAM_UPDATE_MODE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  else {
    update_mode_d = DEF_UPDATE_MODE;
  }  

  // read the output file name
  //
  if (parser.isPresent(sof_a, PARAM_OUTPUT_FILE)) {
    if (!output_file_d.readData(sof_a, PARAM_OUTPUT_FILE,
			       parser.getEntry(sof_a,
						PARAM_OUTPUT_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  
  // read the accumulator file name
  //
  if (parser.isPresent(sof_a, PARAM_ACCUMULATOR_FILE)) {
    if (!accum_file_d.readData(sof_a, PARAM_ACCUMULATOR_FILE,
			       parser.getEntry(sof_a,
					       PARAM_ACCUMULATOR_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the accumulator list name
  //
  if (parser.isPresent(sof_a, PARAM_ACCUMULATOR_LIST)) {
    if (!accum_list_d.readData(sof_a, PARAM_ACCUMULATOR_LIST,
			       parser.getEntry(sof_a,
					       PARAM_ACCUMULATOR_LIST))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }  

  // read the output list
  //
  if (parser.isPresent(sof_a, PARAM_OUTPUT_LIST)) {
    if (!output_list_d.readData(sof_a, PARAM_OUTPUT_LIST,
				parser.getEntry(sof_a,
						PARAM_OUTPUT_LIST))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the context list
  //
  if (parser.isPresent(sof_a, PARAM_CONTEXT_LIST)) {
    if (!context_list_d.readData(sof_a, PARAM_CONTEXT_LIST,
				 parser.getEntry(sof_a,
						 PARAM_CONTEXT_LIST))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }

  // read the phonetic questions and answers filename
  //
  if (parser.isPresent(sof_a, PARAM_QUES_ANS_FILE)) {
    if (!ques_ans_file_d.readData(sof_a, PARAM_QUES_ANS_FILE,
				  parser.getEntry(sof_a,
						     PARAM_QUES_ANS_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  
  // read the phonetic decisiontree filename
  //
  if (parser.isPresent(sof_a, PARAM_PHONETIC_DT_FILE)) {
    if (!phonetic_dt_file_d.readData(sof_a, PARAM_PHONETIC_DT_FILE,
				     parser.getEntry(sof_a,
						     PARAM_PHONETIC_DT_FILE))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }       
  }
  
  // read the split threshold for parametertying process
  //
  if (parser.isPresent(sof_a, PARAM_PHONETIC_DT_SPLIT_THRESHOLD)) {
    if (!phonetic_dt_split_threshold_d.readData(sof_a, PARAM_PHONETIC_DT_SPLIT_THRESHOLD,
				     parser.getEntry(sof_a,
						     PARAM_PHONETIC_DT_SPLIT_THRESHOLD))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }
  }
  else{
    phonetic_dt_split_threshold_d.assign(PhoneticDecisionTree::DEF_SPLIT_THRESHOLD);
  }
  
  // read the merge threshold for parametertying process
  //
  if (parser.isPresent(sof_a, PARAM_PHONETIC_DT_MERGE_THRESHOLD)) {
    if (!phonetic_dt_merge_threshold_d.readData(sof_a, PARAM_PHONETIC_DT_MERGE_THRESHOLD,
				     parser.getEntry(sof_a,
						     PARAM_PHONETIC_DT_MERGE_THRESHOLD))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }
  }
  else{
    phonetic_dt_merge_threshold_d.assign(PhoneticDecisionTree::DEF_MERGE_THRESHOLD);
  }
  
  // read the num_occ threshold for parametertying process
  //
  if (parser.isPresent(sof_a, PARAM_PHONETIC_DT_NUM_OCC_THRESHOLD)) {
    if (!phonetic_dt_num_occ_threshold_d.readData(sof_a, PARAM_PHONETIC_DT_NUM_OCC_THRESHOLD,
				     parser.getEntry(sof_a,
						     PARAM_PHONETIC_DT_NUM_OCC_THRESHOLD))) {
      return Error::handle(name(), L"readData", Error::READ,
			   __FILE__, __LINE__, Error::WARNING);
    }
  }
  else{
    phonetic_dt_num_occ_threshold_d.assign(PhoneticDecisionTree::DEF_NUM_OCC_THRESHOLD);
  }
  
  // check that all parameters are accounted for
  //
  if (!parser.checkParams(sof_a)) {
    return Error::handle(name(), L"readData", Error::IO, __FILE__, __LINE__,
			 Error::WARNING);
  }

  // exit gracefully
  //
  return true;
}