The original audio was poorly recorded on substandard equipment. There were numerous irreparable problems with the original recording. I have done my best to improve and restore it using Sony Sound Forge software, but was unable to achieve the desired result.
Furthermore, the original recording stopped abruptly. What happened to the final fifteen minutes of the recording no one knows …
My deepest apologies if you have difficulty understanding the message.
Listen to the 29.5 minute lecture: