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Speech Listener Element

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Modified on 2015/01/01 20:50 by Administrator Categorized as Input Registration
Element Icon Speech Listener
Info
Category: AddIn: Base Elements
Creator: OkazoLab Team Scope: Parent Event
Owns Snippets: no Usage: Runtime Screen,Snippets

Element actions aligned with different epochs of the parent event

EpochActions
Initialized
Rendered
Activating
Activated
Running
Deactivated
Deinitialized

Notes

Insert Notes here..

Properties

Generic Properties

NameDescriptionAttributesValue TypeProxy Reflex
Settings
Working modeDetermines a working mode for speech recognition by this element enSpeechMode
Target phraseTarget phrase to be recognized. If not empty, the element is triggered only if this phrase is recognized. String
Phrase choicesPredefined choices of phrases to be recognized, whereas other will be ignored. Use ; as a separator between phrases. String
Trigger OnceIf true, the element can be triggered only once while the parent event is active. Boolean
TestOpens a test recognition window. DesignTimeAction
Runtime status
Result phraseLast recognized phrase String
ConfidenceConfidence level of the last recognized phrase Single
Recognition StatusCurrent status of the speech recognition process String
Statistics
Trigger TimeIndicates the latest event time when the element was triggered (in ms elapsed since activation of the parent event) UInt64
Is TriggeredIndicates that the element has been triggered at least once since activation of the parent event Boolean

+=== Properties inherited from clElement === Inherited properties of clElement
NameDescriptionConstraintsValue TypeUpon Change
Control
Is EnabledIf set to false the element is completely omitted when the experiment is run.Boolean
TitleTitle of the element.String

Speech Listener element allows real-time recognition of spoken words delivered through microphone line on a sound card. The speech is recognized into a text which can be used for determining a participant response. The elements requires Microsoft Speech API (SAPI) to be installed and properly configured on a computer.


Description

Short description

Installation

Microsoft Speech API is included in Window 7 and Windows Vista. To make the element working in Window XP, Microsoft SAPI can be installed using Microsoft Office installation. Here is an MS article describing the SAPI installation process for Windows XP.



Snapshots

Snapshot 1

Snapshot 1

Snapshot 2

Snapshot 2


Practical Use

Technique 1

  1. Step 1
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Technique 2

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 // Check the trial outcome. Result and RT just other user variables
// insert code snippet here..

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