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Method and apparatus for implementing a virtual push-to-talk function

A grammar and speech technology used in multimodal applications and multimodal user interfaces

Inactive Publication Date: 2009-08-19
NUANCE COMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, traditional PTT functionality requires the user to activate a physical button on the device, whether that physical button is a dedicated button or a key on the keyboard

Method used

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  • Method and apparatus for implementing a virtual push-to-talk function
  • Method and apparatus for implementing a virtual push-to-talk function

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Embodiment Construction

[0018] The inventive arrangements disclosed herein provide methods and apparatus involving user-computer interaction using a multimodal interface. According to an embodiment of the present invention, visual identifiers may be provided in the multimodal interface to indicate to the user those data entry fields in the multimodal interface that are voice-enabled. Each visual identifier can also act as a virtual "push to talk" (PTT) button, since activation of the identifier can indicate that voice processing resources should be activated to process the user's voice. Activation of a visual identifier may also indicate that any received user speech will be provided to the field associated with the activated visual identifier.

[0019] The present invention allows the user to access the functionality of the multimodal interface without having to switch between using hardware-based PTT buttons and providing point-and-click type input. That is, a user can select a virtual PTT button ...

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Abstract

A method of enabling virtual push-to-talk functionality in a multimodal interface, the method may include presenting the multimodal interface with a sound-enabled user interface element, and positioning a visual identifier proximate to the sound-enabled user interface element . The visual identifier may indicate that the voice-enabled user interface element is configured to receive voice input. The method may also include activating a grammar associated with the sound-enabled user interface element in response to selection of a visual identifier, and modifying the appearance of the visual identifier to indicate a The syntax associated with the element is valid.

Description

technical field [0001] The present invention relates to multimodal applications and multimodal user interfaces. Background technique [0002] As computing devices become smaller and more ubiquitous, users want to access data without the constraints of time or space. Traditional virtual interfaces, such as those provided by Hypertext Markup Language (HTML) pages, provide only limited tools for user interaction. Available forms for user interaction with HTML pages, while suitable for some purposes, may be inconvenient for others, especially for personal digital assistants (PDAs) which typically have small browsing screens. [0003] Multimodal applications are already seeking to overcome the limitations of purely visual or audio interfaces. Multimodal applications provide users with the ability to interact according to methods that more naturally apply to a given environment. The term "mode" refers to a mechanism for input to or output from a user interface. Such mechanisms...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/44G10L25/93
CPCG10L15/22G10L2015/228
Inventor W·黑内尔B·D·曼达利亚
Owner NUANCE COMM INC
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