2002.10.01 20:04 "Re: multipage accessing", by Tom Duncan
As far as I know, you can't add sound to a TIFF file. Are you sure you are not thinking of some other format (Windows RIFF maybe?).
Anyway, there is a small document about image formats on the imagingStuff.com site which lists the basic capabilities of TIFF (and other) formats.
Image Processing Resources for Software Developers