This article touches on the best practices of audio recording in terms of what equipment is good, what audio programs to use and the actual recording session.
An article about software developed by MIT which allows people to practice interpersonal communication. The software is called MACH (short for My Automated Conversation coacH), uses a computer-generated onscreen face, along with facial, speech, and behavior analysis and synthesis software, to simulate face-to-face conversations. It then provides users with feedback on their interactions.