Worldline's patent EP4634917A1 describes a method for authenticating or identifying individuals using audio speech signals. The technology utilizes G06N 3/088 (neural network-based approaches) combined with speech processing classifications (G10L 17/02-18) and biometric authentication provisions (G06F 21/32). The patent is designated for validation in 32 European states including AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR.

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