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Microphone Signal Element
Modified on 2018/08/03 21:13
by
Administrator
Categorized as
Elements
,
Signal Acquisition
<div style="margin-right: 10px; margin-left: 16px; margin-bottom:10px; float: right; width: 500px; overflow: hidden; height: auto; padding: 0px; background: #fafafa; background: -webkit-gradient(linear, left top, left bottom, from(#fbfbfb), to(#fafafa));background: -moz-linear-gradient(top, #fbfbfb, #fafafa);border: 1px dashed #ddd;box-shadow: 0 0 0 3px #fff, 0 0 0 5px #ddd, 0 0 0 10px #fff, 0 0 2px 10px #eee;"> == Summary == {s:Element Info Panel | title=Microphone Signal | category=Signal Acquisition | icon=[image|Element Icon|{UP(Microphone-Signal-Element)}Microphone-Signal-Element-Icon.png] | author= OkazoLab | addin= Signal Processing | scope= Experiment | usage= Snippets | ownsnippets= None } == Properties == {| |- ! Name ! Description ! Constraints ! Type ! On<br/>runtime<br/>change |- | colspan="5" bgcolor="#AADDDDD" | Settings |- | Audio Device | Defines an audio device for recording. | {s:atNormal} | Int32 | |- | Capturing Engine | Defines the engine for audio capturing. WASAPI is the best for timing accuracy but it not supported in Windows XP. In contrast, WaveIn works on any Windows OS | {s:atDesign} | enAudi.. | |- | Volume | Defines the capturing volume for the WaveIn engine. Keep -1 for the system volume | {s:atNormal} | Double | |- | Audio Buffer Length | Defines length of a memory buffer on sound hardware (in ms). Make the buffer length smaller for shorter recording latency but mind a possible performance cost. | {s:atNormal} | Int32 | |- | Sampling Rate | Defines the sampling rate of capturing. The value must supported by the sound hardware | {s:atNormal} | Int32 | |- | colspan="5" bgcolor="#AADDDDD" | Signal Generator |- | Signal Source | Defines a source for the signal. The emulated rhythmes can be used for offline validation of the chosen analysis settings | {s:atDesign} | enEmul.. | |- | Emulated Sampling Rate | Defines the emulation sampling rate (samples per second), when data is generated or streamed from a file. | {s:atDesign} | Double | |- | Primary Frequency | Defines the frequency of the primary rhythm in the generated signal, in Hz. Assign the zero to exclude the primary frequency from the generated signal. | {s:atDesign} | Double | |- | Secondary Frequency | Defines the frequency of the secondary rhythm in the generated signal, in Hz. The secondary frequency magnitude is a half of the primary frequency magnitude. Assign the zero to exclude the secondary frequency from the generated signal. | {s:atDesign} | Double | |- | Noise Level | Defines the noise level (in % to the norm magnitude of the primary frequency). The noise is added to the generated signal. Assign the zero the exclude the noise from the generated signal. | {s:atDesign} | Double | |- | External Datafile | Opens the dialog for selecting a data file containing a stream of double numbers representing a signal. If a file name without a path is defined, the data file will be picked up in the location of the experiment file. | {s:atDesign} | String | |- | colspan="5" bgcolor="#AADDDDD" | Channel Configuration |- | Selected Channels | Defines what signal channels are selected for acquisition within EventIDE. Selected channels are registered in the EventIDE signal pool at runtime and become available for the signal analysis elements. | {s:atDesign} | IList | |- | Selected Channel Count | Indicates how many signal channels are currently selected for acquisition | {s:atStatus} | Int32 | |- | Total Channel Count | Indicates how many signal channels are available for acquisition in the total | {s:atStatus} | Int32 | |- | Buffer Size | Defines the size (in samples) of a circular buffer that stores incoming signal data. | {s:atDesign} | Int32 | |- | colspan="5" bgcolor="#AADDDDD" | Runtime Control |- | Reset Signals Now | Runtime commands that resets the signal buffers and data acquisition | {s:atRuntimeAction} | Boolean | |- | 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 | |- |} == == </div> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> <!--*****************************************************************************************************************************************************************************--> '''Microphone Signal Element''' records and buffers a real-time microphone input.<br><br> {TOC} == Description == ... == Snapshots == {| | [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] |} == Practical Use == ... === Technique 1 === # Step 1 # Step 2 ... === Technique 2 === # Step 1 # Step 2 ... <div style="margin-left:0px; margin-right:10px; margin-top:10px; width: auto; overflow: hidden; height: auto; background: #fafafa; background: -webkit-gradient(linear, left top, left bottom, from(#fbfbfb), to(#fafafa));background: -moz-linear-gradient(top, #fbfbfb, #fafafa);border: 1px dashed #ddd;box-shadow: 0 0 0 3px #fff, 0 0 0 5px #ddd, 0 0 0 10px #fff, 0 0 2px 10px #eee;"> @@ csharp // Check the trial outcome. Result and RT just other user variables // insert code snippet here.. @@</div> ... == Notes == ... * Insert Notes here.. * Insert Notes here..
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