In separate Western District of Texas complaints, Zentian Limited has accused Amazon (6:22-cv-00122) and Apple (6:22-cv-00123) of infringing five speech recognition patents through the provision of devices respectively supporting the Amazon and Siri voice assistants, including wake word support (“Alexa” and “Hey Siri”), text dictation, and on-device speech processing. Zentian’s joins a growing list of campaigns in the speech processing field, as canvassed in mid-2021.