Posted by TS (the students) on April 09, 2001 at 20:52:29:
In Reply to: A440 ? posted by TS. (the student). on April 09, 2001 at 15:15:04:
Thank you very much for the responses.I do have one more question,why is the origin of the NUMBER 440? could it be "VPS" vibrations per seconds? why not another number?