![]() ![]() Is the app always listening, or does the user need to take an action for the app to enter listening mode?.How does a user know when speech input is available?.Is speech input a good option for completing a task?.What actions can be taken through speech? Can a user navigate between pages, invoke commands, or enter data as text fields, brief notes, or long messages?. ![]() If you are considering supporting speech interactions in your app: ![]() These guidelines and recommendations describe how to best integrate both speech recognition and TTS into the interaction experience of your app. Speech interaction designÄesigned and implemented thoughtfully, speech can be a robust and enjoyable way for people to interact with your app, complementing, or even replacing, keyboard, mouse, touch, and gestures. See the Cortana voice command (VCD) guidelines if you are exposing app functionality in the Cortana UI. Other speech-related components: Cortana in Windows applications uses customized voice commands (spoken or typed) to launch your app to the foreground (the app takes focus, just as if it was launched from the Start menu) or activate as a background service ( Cortana retains focus but provides results from the app). SSML provides a standard way to control characteristics of speech output, such as pronunciation, volume, pitch, rate or speed, and emphasis. The input string can be either basic, unadorned text or more complex Speech Synthesis Markup Language (SSML). TTS uses a speech synthesis engine (voice) to convert a text string into spoken words. Both pre-defined grammars for free-text dictation and web search, and custom grammars authored using Speech Recognition Grammar Specification (SRGS) Version 1.0 are supported. Speech recognition converts words spoken by the user into text for form input, for text dictation, to specify an action or command, and to accomplish tasks. Integrate speech recognition and text-to-speech (also known as TTS, or speech synthesis) directly into the user experience of your app. ![]()
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