[jessedhillon]

Are there other uses for this algorithm/technique, when applied to signals other than audio? I mean apart from identifying a source from a small clip.

[bmohlenhoff]

This type of analysis is commonly used in tons of things, like communications systems, image processing, radar, etc. I used a similar technique when trying to identify an underutilized wifi channel in the vicinity of my apartment.

[IanChiles]

IIRC there have been a number of papers on using a similar technique with speech to text applications.