What is the oldest known Chinese audio recording?
Fred Gaisberg of EMI made the first Chinese audio recordings 1903-03-18/1903-03-27 in Shanghai.

https://www.youtube.com/watch?v=HJ0KBEz23j4

https://vimeo.com/100191126

http://www.recordingpioneers.com/docs/GAISBERG_DIARIES_2.pdf

http://adp.library.ucsb.edu/index.php/resources/detail/378