10 Ways to Use Sound Files for Language Learning What can you do with a hand-held digital recorder or recording software on a computer? Marsha will present 10 ways to use teacher-recorded and student-recorded digital audio files to enhance pronunciation, listening, vocabulary, grammar, sentence structure, and coherence in traditional and online language learning. By Marsha Chan, a member of the "Innovative uses of digital technology for teaching oral skills" TESOL 2009 Intersection Panel: CALL-IS, SPL-IS, DVM-IS.