For twelve years they studied very hard, and mastered many fields of knowledge. 
fɔɹ twɛlv jɪɹz ðeɪ stʌdid vɛɹi hɑɹd, ʌnd mæstɜ˞d mɛni fildz ʌv nɑlʌdʒ. 
 Indian's speech is delivered in a monotone tone with a moderate pace in a quiet, well-recorded environment. The clarity of the recording is very good.