quick start:isip_lm_converter -input_mode [JSGF or VJSGF] -input_file [language model input file] -output_mode [JSGF or VJSGF] -output_file [language model output file]
description:isip_lm_converter -help isip_model_converter -input_mode VJSGF -output_mode JSGF isip_lm_converter -input_mode JSGF -input_file word_level_input.sof -output_mode VJSGF -output_file word_level_output.sof
isip_lm_converter -input_mode JSGF word_level_input.sof -output_mode VJSGF word_level_output.sof