https://elpais.com/elpais/2019/06/12/inenglish/1560350300_425732.html?id_externo_rsoc=TW_CM_EN
Part of the article:
"La Liga’s application was designed to offer users all of the Spanish soccer results online, as well providing information about First and Second Division teams. But other functions, such as the use of the microphone to detect the sound of television broadcasts – in a similar way to song-identifying applications such as Shazam – had also been included. Given that the application from La Liga also tracked the geolocation of the user, the data collected could be compiled and crosschecked in order to determine if the establishment the user was in was paying the proper cable television fees to broadcast the game in question."
Part of the article:
"La Liga’s application was designed to offer users all of the Spanish soccer results online, as well providing information about First and Second Division teams. But other functions, such as the use of the microphone to detect the sound of television broadcasts – in a similar way to song-identifying applications such as Shazam – had also been included. Given that the application from La Liga also tracked the geolocation of the user, the data collected could be compiled and crosschecked in order to determine if the establishment the user was in was paying the proper cable television fees to broadcast the game in question."