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Patent

Enabling Event Driven Voice Interaction with a Device

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TLDR
In this article, the authors propose a method to identify an event generated by a software application executed by a processor in a device, which is not associated with a user interaction with the device.
Abstract
A method includes identifying an event generated by a software application executed by a processor in a device. The event is not associated with a user interaction with the device. Without requesting or receiving user input from a user of the device, a microphone of the device is enabled for a predetermined time period after identifying the occurrence of the event to identify a user voice command. The user voice command is executed. A method includes generating an event alert notification on a speaker of a device. Without querying a user of the device, a microphone of the device is enabled for a predetermined time period after generating the event alert notification to identify a user voice command. The user voice command is executed.

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Patent

Multi-command single utterance input method

TL;DR: In this paper, the authors describe a system for handling multi-part voice commands for a virtual assistant that includes multiple actionable commands within a single utterance using a speech transcription process, where the text string can be parsed into multiple candidate substrings based on domain keywords, imperative verbs, predetermined substring lengths, or the like.
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TL;DR: In this paper, a voice input is processed using a subset of words from a library used to identify the words or phrases of the voice input provided by the user, such that the particular subset can be selected such that voice inputs provided by a user are more likely to include words from the subset.
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Speaker identification and unsupervised speaker adaptation techniques

TL;DR: In this paper, a speaker identification system for virtual assistants is presented, in which a speaker profile is generated for each user based on the speaker profile for a predetermined user and contextual information is used to verify results produced by the speaker identification process.
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Competing devices responding to voice triggers

Abstract: At a first electronic device with a display and a microphone: sampling audio input using the first microphone; in accordance with the sampling of audio input using the first microphone, sending stop instructions to a second electronic device with a second microphone, the second electronic device external to the first electronic device, wherein the second electronic device is configured to respond to audio input received using the second microphone, and wherein the stop instructions instruct the second electronic device to forgo responding to audio input received using the second microphone, wherein responding to audio input received using the second microphone comprises providing perceptible output.