Difference between revisions of "Speaker Selector Configuration"

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(Created page with "=Description/Objective= In this example, there are 16 cameras, each with their own microphone, and an adjacent observation room with 2 OWISP speakers. The customer is also req...")
 
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=Description/Objective=
 
=Description/Objective=
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In this example, there are 16 cameras, each with their own microphone, and an adjacent observation room with 2 OWISP speakers. The customer is also requesting a User Interface, with the ability to solo one mic at a time through their overhead speakers, mute all mics, and adjust the speaker levels. This means we will also build a Canvas User Interface (this will be covered in another section). Before building in Canvas, it is crucial to create the Tesira configuration properly.  
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This is an example with a Control Room Audio Solution in a nursing sim lab. In this example, there are two speakers in the sim room; an overhead speaker for communication and instructions, and a PSP in-wall speaker to communicate as the dummy patient. The customer is requesting a User Interface to select the speaker for their talkback audio at a moment's notice. This means we will also build a Canvas User Interface (this will be covered in another section). Before building in Canvas, it is crucial to create the Tesira configuration properly.
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=Physical Wiring/Line Diagram=
 
=Physical Wiring/Line Diagram=
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Below is the physical wiring diagram, which includes 2 Tesira Forte, a Remote Expander EX/IO, and an Extreme X440 AVB Switch.   
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Below is the physical wiring diagram.   
  
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[[File:Channel_Selector.png|link=https://ipivs.com/wiki/images/c/c0/Channel_Selector.png|800px]]
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{{img | file = CRAS_Speaker_Selector_Line_Diagram.png | width=800px}}
  
 
=Tesira Software=
 
=Tesira Software=
  
 
==Connections==
 
==Connections==
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# If we've completed our physical connections, open the Tesira software and start building a configuration.  
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# If the physical connections are complete, open the Tesira software and start building a configuration.  
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# In this configuration we'll be using the following blocks:  
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# In this configuration use the following blocks:  
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#* TesiraFORTE CI block x 2
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#* TesiraFORTE CI block
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#* Output Block with 4 channels (the remote expander)
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#* Peak Meter x 3
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#* Peak Meter x 7
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#* Uber Filter x 2
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#* Uber Filter x 16
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#* Level Block with 2 ports
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#* Level Block with 16 ports and another with 1 port
 
 
#* Compressor with "ganged mode" and "advanced curve"
 
#* Compressor with "ganged mode" and "advanced curve"
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#* Matrix Mixer with 16 inputs and 16 outputs, with one extra output
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#* Matrix Mixer with 2 inputs and 5 outputs
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#* Source Selector with 16 channels
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#* Standard Mixer with 2 inputs and 2 outputs (this will become the microphone selector in Canvas)
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# Something to note: The Channel Selector Block doesn't break apart in the Canvas UI software, which means the buttons would only be available vertically in a straight line. If it is crucial to rearrange the buttons in the UI, add the following blocks:
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#* 16-channel Logic Meter
 
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#* 2 Preset Buttons with 8 presets
 
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#* Also make sure the Source Selector has logic enabled
 
 
#Connect the blocks as follows:  
 
#Connect the blocks as follows:  
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#* Connect two peak meters to the Tesira Input blocks. This will help us to be sure we have the proper levels set on the preamp.  
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#* Connect a peak meter to the Tesira Input block. This will help ensure proper levels are set on the preamp.  
 
#* Connect the AEC block to the Uber Filters, then the Filters to the Level Block.  
 
#* Connect the AEC block to the Uber Filters, then the Filters to the Level Block.  
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#* Connect the Level Block to the Compressor and two Peak Meters.  
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#* Connect the Level Block to the Compressor and the second Peak Meter.  
 
#* Connect the Compressor to the Matrix Mixer.  
 
#* Connect the Compressor to the Matrix Mixer.  
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#* Connect the outputs from the mixer to the Output blocks, peak meters, AND the Channel Selector Block.  
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#* Connect outputs 1 & 2 from the Matrix Mixer to the Output block and peak meter.  
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#* Connect the extra output from the Matrix Mixer to the AEC reference blocks. We will not need to activate the Automatic Echo Cancellation feature in this example.  
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#* Connect output 3 from the Matrix Mixer to the Standard Mixer.  
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#* Place the Preset Block(s) in a convenient place for now.
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#* Connect the outputs from the Standard Mixer to the output block and the peak meter.  
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#* Send the output of the Source Selector to the second Level Block, then the level block to the final Peak Meter and the Output Block for the EX/IO Expander.  
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#* Connect outputs 4 & 5 from the Matrix Mixer to the AEC Reference.  
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#* Connect the logic output from the Source Selector to the Logic Meter.
 
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When we're complete, our file should look something like this:
 
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[[File:Channel_Selector_Config_2.png]]
 
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==Channel Selector Components==
 
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[[File:Channel_Selector_Block_Combo_2.png]]
 
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The Source Selector, Logic Meter, Preset Buttons, and Level Block will all act together to build the User Interface in Canvas.
 
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[[File:Channel_Selector_Source_Block.png]]
 
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# The Source Selector will determine what audio is sent to the outputs. It will also drive the Logic Meter. It will only live in the Tesira configuration.
 
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# The Logic Meter will light up according to the active channel on the source selector. The LEDs in the Logic Meter will become our indicators in the Canvas UI.
 
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# The Preset Buttons will drive the Source Selector. The presets must be made for each button. The Preset Buttons will be what the customer uses in the Canvas UI.
 
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# The Level Block will be used in the Canvas UI to mute or unmute the audio, and control the output volume of the OWISP speakers.
 
  
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==Creating Presets==
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# Matrix Mixer: The sim room mic will be sent to three places; the camera, the control room speaker, and the AEC reference for the push to talk mic. The push to talk mic will be sent 3 places; the camera, the Standard Mixer (renamed 'speaker selector' in this config), and the AEC reference for the room mic.  
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Once the configuration is built, the only thing left to do is to create presets. Open the Preset Manager on the left side.  
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# The Standard Mixer sends the push to talk audio to two places; the overhead speaker and the PSP in-wall patient speaker.  
  
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[[File:Presets.png]]
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When this is complete, the file should look something like this:  
  
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# Create 16 presets for the Source Selector; one for each channel. Name them in a convenient manner.
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{{img | file = Tesira_Speaker_Selector_Config_3.png}}
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# Assign each preset to the Preset Buttons.
 
  
 
==Creating a Canvas User Interface==
 
==Creating a Canvas User Interface==
  
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In another section, we will build the corresponding Canvas UI configuration for the Channel Selector. Click the image below:  
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In another section, we will build the corresponding Canvas UI configuration for the Speaker Selector. Click the image below:  
  
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[[File:Canvas_Section.png|link=https://ipivs.com/wiki/User_Interface_Channel_Selector]]
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{{img | file = Canvas_Section.png}}
  
 
==Processing Blocks in Tesira==
 
==Processing Blocks in Tesira==
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For further insight about the other processing blocks and settings, refer back to the first configuration example, or click the image below:  
 
For further insight about the other processing blocks and settings, refer back to the first configuration example, or click the image below:  
  
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[[File:Processing_Blocks_Page.png|link=https://ipivs.com/wiki/Simple_Configuration#Processing_Blocks_in_Tesira]]
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{{img | file = Processing_Blocks_Page.png}}
  
 
==EQ and Compression==
 
==EQ and Compression==
  
 
For information on EQ settings, or click the image below:  
 
For information on EQ settings, or click the image below:  
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[[File:EQ_Page.png|link=https://ipivs.com/wiki/EQ_Processing]]
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{{img | file = EQ_Page.png}}
  
  
  
 
For Compression parameters, click the image below:  
 
For Compression parameters, click the image below:  
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[[File:Compression_Page.png|link=https://ipivs.com/wiki/Compression_Settings]]
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{{img | file = Compression_Page.png}}

Latest revision as of 09:43, 10 May 2022

Description/Objective

This is an example with a Control Room Audio Solution in a nursing sim lab. In this example, there are two speakers in the sim room; an overhead speaker for communication and instructions, and a PSP in-wall speaker to communicate as the dummy patient. The customer is requesting a User Interface to select the speaker for their talkback audio at a moment's notice. This means we will also build a Canvas User Interface (this will be covered in another section). Before building in Canvas, it is crucial to create the Tesira configuration properly.

Physical Wiring/Line Diagram

Below is the physical wiring diagram.

CRAS Speaker Selector Line Diagram.png

Tesira Software

Connections

  1. If the physical connections are complete, open the Tesira software and start building a configuration.
  2. In this configuration use the following blocks:
    • TesiraFORTE CI block
    • Peak Meter x 3
    • Uber Filter x 2
    • Level Block with 2 ports
    • Compressor with "ganged mode" and "advanced curve"
    • Matrix Mixer with 2 inputs and 5 outputs
    • Standard Mixer with 2 inputs and 2 outputs (this will become the microphone selector in Canvas)
  1. Connect the blocks as follows:
    • Connect a peak meter to the Tesira Input block. This will help ensure proper levels are set on the preamp.
    • Connect the AEC block to the Uber Filters, then the Filters to the Level Block.
    • Connect the Level Block to the Compressor and the second Peak Meter.
    • Connect the Compressor to the Matrix Mixer.
    • Connect outputs 1 & 2 from the Matrix Mixer to the Output block and peak meter.
    • Connect output 3 from the Matrix Mixer to the Standard Mixer.
    • Connect the outputs from the Standard Mixer to the output block and the peak meter.
    • Connect outputs 4 & 5 from the Matrix Mixer to the AEC Reference.
  1. Matrix Mixer: The sim room mic will be sent to three places; the camera, the control room speaker, and the AEC reference for the push to talk mic. The push to talk mic will be sent 3 places; the camera, the Standard Mixer (renamed 'speaker selector' in this config), and the AEC reference for the room mic.
  2. The Standard Mixer sends the push to talk audio to two places; the overhead speaker and the PSP in-wall patient speaker.

When this is complete, the file should look something like this:

Tesira Speaker Selector Config 3.png

Creating a Canvas User Interface

In another section, we will build the corresponding Canvas UI configuration for the Speaker Selector. Click the image below:

Canvas Section.png

Processing Blocks in Tesira

For further insight about the other processing blocks and settings, refer back to the first configuration example, or click the image below:

Processing Blocks Page.png

EQ and Compression

For information on EQ settings, or click the image below:

EQ Page.png


For Compression parameters, click the image below:

Compression Page.png

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