NI Analog Wave Player Element

Modified on 2018/08/21 23:01 by Administrator Categorized as Auditory Stimuli, Elements
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== Summary ==
{s:Element Info Panel
| title=NI Analog Wave Player
| category=Audio Stimuli
| icon=[image|Element Icon|{UP(NI-Analog-Wave-Player-Element)}NI-Analog-Wave-Player-Element-Icon.png]
| author= OkazoLab
| addin= AddIn_NI
| scope= Parent event
| usage= Snippets
| ownsnippets= None
}
== Properties ==
{|
|-
! Name
! Description                              
! Constraints
! Type
! On<br/>runtime<br/>change
|-
| colspan="5" bgcolor="#AADDDDD" | Port Settings
|-
| Left Channel Port        
|         
| {s:atDesign}        
| String        
|  
|-
| Right Channel Port        
|         
| {s:atDesign}        
| String        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Playback Controls
|-
| Playback Mode        
| Defines the playback mode for audio clips played by the element. In the default mode (Auto Playback), a clip is played once on the onset of the parent event. In the Manual mode the playback process is controlled in the snippets by changing the Is Playing property.        
| {s:atDesign}        
| stPlay..        
|  
|-
| Test Playback        
| Initiates 3-sec playback of the currently selected clip using the chosen hardware settings. An error message is returned, if the playback is failed.        
| {s:atDesign}        
| Boolean        
|  
|-
| Is Playing        
| Returns or sets the current playback state of the element. In the manual playback mode, the value can be set before the onset of the parent event. In all modes, the property can be used to control the currently playing audio: assigning false/true to the property causes pause/continuing the playback, correspondingly.        
| {s:atNormal}        
| Boolean        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Runtime Status
|-
| Current Clip Info        
| Returns a structure containing an info about the currently selected audio clip. Click to expand all fields.         
| {s:atStatus}        
| stWave..        
|  
|-
| Playing Position        
| Indicates the current playing position (in percentages to the total duration) of the audio clip. Changes are accepted only if the audio is currently playing.         
| {s:atNormal}        
| Double        
|  
|-
| Triggering Time        
| Returns the local event time in ms, when the last playback has reached the end.        
| {s:atStatus}        
| clTime        
|  
|-
| Is Triggered        
| Indicates that the element has been triggered by end of the playback at least once, since the onset of the parent event.        
| {s:atNormal}        
| Boolean        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Material List
|-
| Selected Index        
| Defines an index of the active item in the material list of this element        
| {s:atNormal}        
| Int32        
|  
|-
| Selected Item        
| Defines a name if the active library item in the material list of this element        
| {s:atNormal}        
| String        
|  
|-
| Item Count        
| Returns the total number of material items in the list of this element        
| {s:atStatus}        
| Int32        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Control
|-
| Is Enabled        
| If set to false the element is completely omitted when the experiment is run        
| {s:atDesign}        
| Boolean        
|  
|-
| Title        
| Title of the element        
| {s:atDesign}        
| String        
|  
|-            
|}
== ==
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'''NI Analog Wave Player Element''' allows high-precision playback of WAVE audios via the analog ports on the NI DAQ cards.{br}{br}
{TOC}
== Description ==
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== Snapshots ==
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| [imageleft|Snapshot 1 <br/>|{UP(page - name)}*-sm.png |{UP(page - name)}*.png]
|| [imageleft|Snapshot 2 |{UP(page - name)}*-sm.png |{UP(page - name)}*.png]
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== Practical Use ==
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=== Technique 1 ===
# Step 1
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=== Technique 2 ===
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# Step 2
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== Notes ==
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NI Analog Wave Player Element
