Editing Signal-to-noise ratio (section)

==Other uses==
While SNR is commonly quoted for electrical signals, it can be applied to any form of signal, for example [[isotope]] levels in an [[ice core]], [[biochemical signaling]] between cells, or [[Financial signal processing|financial trading signals]]. The term is sometimes used metaphorically to refer to the ratio of useful [[information]] to false or irrelevant data in a conversation or exchange. For example, in [[internet forum|online discussion forums]] and other online communities, [[off-topic]] posts and [[spamming|spam]] are regarded as {{em|noise}} that interferes with the {{em|signal}} of appropriate discussion.<ref>{{cite book |url=https://books.google.com/books?id=W5bAcxc2TcgC&pg=PA128 |page=128 |title=The Music Internet Untangled: Using Online Services to Expand Your Musical Horizons |last=Breeding |first=Andy |publisher=Giant Path |year=2004 |isbn=9781932340020}}</ref>

SNR can also be applied in marketing and how business professionals manage information overload. Managing a healthy signal to noise ratio can help business executives improve their KPIs (Key Performance Indicators).<ref>{{Cite web |title=What Is Signal To Noise Ratio? |url=https://www.thruways.co/blog/what-is-signal-to-noise-ratio |access-date=2023-11-09 |website=www.thruways.co |language=en}}</ref>