File Structure in Training Acoustic Model

- etc/
    + your_db.dic                       (phonetic dictionary)
    + your_db.phone                     (phoneset file)
    + your_db.lm.DMP                    (language model)
    + your_db.filler                    (filler dictionary)
    + your_db_train.fileids             (file_id for training)
    + your_db_train.transcription       (transcription for training)
    + your_db_test.fileids              (file_id for testing)
    + your_db_test.transcription        (transcription for testing)
- wav/
    + speaker_1/
        * file_1.wav                    (speech recording)
    + speaker_2/
        * file_2.wav