This glossary summarizes terms related to voice activation. If the KWS is to wake the device from a low powered state, the solution is known as Wake on Voice (WoV). Voice activation is powered by a keyword spotter (KWS) which reacts if the key phrase is detected. This feature is available only for Windows 10 version 1903 and earlier. This is especially valuable for the meeting room scenario, where one person says "Hey Cortana" in a room full of devices. When voice activation is paired with "Learn my voice", the two algorithms will work together to reduce false activations. The user then repeats six carefully chosen phrases that provide a sufficient variety of phonetic patterns to identify the unique attributes of the users voice. This is accomplished by the user selecting Learn how I say "Hey Cortana" in the Cortana settings screen. The "Learn my voice" feature allows the user to train Cortana to recognize their unique voice. Microsoft provides an OS default keyword spotter (software keyword spotter) that is used to ensure quality of hardware keyword detections and to provide the Hey Cortana experience in cases where hardware keyword detection is absent or unavailable. This diagram illustrates chained and keyword only activation. Keyword only activation occurs when only the Cortana keyword is said, Cortana starts and plays the EarCon sound to indicate that it has entered listening mode.Ī chained command describes the ability of issuing a command immediately following the keyword (like “Hey Cortana, call John”) and have Cortana start (if not already started) and follow the command (starting a phone call with John). The term Keyword Detection, describes the detection of the keyword by either hardware or software. Key phrases may be uttered by themselves ("Hey Cortana") as a staged command, or followed by a speech action, for example, "Hey Cortana, where is my next meeting?", a chained command. Voice activation provides always listening speech input via predefined key phrase(s) or "activation phrases". For PC users, this may be due to rapid access to an experience without having to perform multiple mouse, touch and/or keyboard actions, e.g. For an Xbox user this may be due not wanting to find and connect a controller. For phone users this may be due to driving in the car and having their attention and hands engaged with operating the vehicle. Users often want to be able to instantly access an experience without having to physically interact touch a device. The "Hey Cortana" Voice Activation (VA) feature allows users to quickly engage the Cortana experience outside of their active context (i.e., what is currently on screen) by using their voice. Introduction to "Hey Cortana" Voice Activation and "Learn my voice" Hey Cortana" Voice Activation Provides and overview and usage direction for Cortana To understand the voice interaction experience available in Windows, review these topics. OEMs can contact their SoC vendor for information on their SoC's implementation of voice activation. If you want to change Cortana language, then this article will guide you to Change Cortana Speech Language in Windows 10.Implementing voice activation is a significant project and is a task completed by SoC vendors. Recently Microsoft added more languages to her knowledge, Now Cortana can support in following languages. Also, you can change Cortana’s speech-language to your favourite language. Cortana by default it will talk in British English Language and it is capable of talking and understanding different languages. To provide you with personalized experiences, Cortana learns from certain data about you, such as your searches, calendar, contacts, and location. Cortana can do much more than these things. Cortana works best when you sign in and let her use data from your device, other Microsoft and third-party services, and the skills you choose to connect. Cortana is also available on other platforms, such as Android and iOS, in select markets. If Cortana isn’t available for your Windows device, you can still search for files on your device in the search box on the taskbar. Cortana on Windows is available in certain regions and languages. Depending on the capabilities of your device and the version of Cortana you’re using, Cortana can provide a range of features, some of which are personalized. Cortana is your cloud-based personal assistant that works across your devices and other Microsoft services.
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