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Method for implementing a virtual push-to-talk function and multimodal interface

A multi-mode, interface technology, applied in speech analysis, speech recognition, instruments, etc.

Inactive Publication Date: 2006-11-01
NUANCE COMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

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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 implementing a virtual push-to-talk function within a multimodal interface can include presenting a multimodal interface having a voice-enabled user interface element and locating a visual identifier proximate to the voice-enabled user interface element. The visual identifier can signify that the voice-enabled user interface element is configured to receive speech input. The method further can include activating a grammar associated with the voice-enabled user interface element responsive to a selection of the visual identifier and modifying an appearance of the visual identifier to indicate that the grammar associated with the voice-enabled user interface element is active.

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 Applications(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