Apple's first notion of a digital personal assistant appeared in a 1987 concept video, Knowledge Navigator. in April 2010 under the direction of Steve Jobs. thesis led by Didier Guzzoni, who joined Siri as its chief scientist. The Active platform was the focus of a Ph.D. The initial Siri prototype was implemented using the Active platform, a joint project between the Artificial Intelligence Center of SRI International and the Vrai Group at Ecole Polytechnique Fédérale de Lausanne. The speech recognition system uses sophisticated machine learning techniques, including convolutional neural networks and long short-term memory. Neither Apple nor Nuance acknowledged this for years, until Nuance CEO Paul Ricci confirmed it at a 2011 technology conference.
Siri's speech recognition engine was provided by Nuance Communications, a speech technology company. Kittlaus named Siri after a co-worker in Norway the name means "beautiful woman who leads you to victory" in Norwegian. It was co-founded by Dag Kittlaus, Tom Gruber, and UCLA alumnus Adam Cheyer. SRI International used the NABC Framework to define the value proposition for Siri. Siri is a spin-out from the SRI International Artificial Intelligence Center, and is an offshoot of the US Defense Advanced Research Projects Agency's (DARPA)-funded CALO project. Its launch was also overshadowed by the death of Steve Jobs, which occurred one day after the launch. The reports concerned Siri's limited set of features, "bad" voice recognition, and undeveloped service integrations as causing trouble for Apple in the field of artificial intelligence and cloud-based services the basis for the complaints reportedly due to stifled development, as caused by Apple's prioritization of user privacy and executive power struggles within the company. In 20, a number of media reports said that Siri lacked innovation, particularly against new competing voice assistants. It was also criticized for lacking information on certain nearby places, and for its inability to understand certain English accents. It received praise for its voice recognition and contextual knowledge of user information, including calendar appointments, but was criticized for requiring stiff user commands and having a lack of flexibility. Siri's original release on iPhone 4S in 2011 received mixed reviews. With the release of iOS 11, Apple updated Siri's voice and added support for follow-up questions, language translation, and additional third-party actions. With the release of iOS 10 in 2016, Apple opened up limited third-party access to Siri, including third-party messaging apps, as well as payments, ride-sharing, and Internet calling apps. Siri supports a wide range of user commands, including performing phone actions, checking basic information, scheduling events and reminders, handling device settings, searching the Internet, navigating areas, finding information on entertainment, and is able to engage with iOS-integrated apps. Siri has since been an integral part of Apple's products, having been adapted into other hardware devices including newer iPhone models, iPad, iPod Touch, Mac, AirPods, Apple TV, and HomePod. Two months later, Apple acquired it and integrated into iPhone 4S at its release on 4 October, 2011, removing the separate app from the iOS App Store.
Siri was released as an app for iOS in February 2010. Its original American, British and Australian voice actors recorded their respective voices around 2005, unaware of the recordings' eventual usage. Its speech recognition engine was provided by Nuance Communications, and it uses advanced machine learning technologies to function. Siri is a spin-off from a project developed by the SRI International Artificial Intelligence Center. With continued use, it adapts to users' individual language usages, searches and preferences, returning individualized results. It uses voice queries, gesture based control, focus-tracking and a natural-language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Internet services. Siri ( / ˈ s ɪr i/ SIRR-ee) is a virtual assistant that is part of Apple Inc.'s iOS, iPadOS, watchOS, macOS, tvOS, and audioOS operating systems.
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