BTX Erika AI App User Guide
- June 4, 2024
- BTX
Table of Contents
BTX Erika AI App User
App installation
Double click the downloaded file (ErikaAIApplication_vXXXX_x64.msi) to install the application.
Erika receiver and microphone firmware update
Connect an Erika receiver or microphone to the computer with USB. In the
Update tab of the Erika AI app, the device will be shown with the current
firmware version and available firmware version. Press the green down arrow to
perform the update, which takes about 5 seconds. Note that each receiver and
microphone will need to be updated.
Set Erika microphone names
Connect the Erika receiver to the computer with USB. Goto the People tab in
the Erika AI app. This tab is used to set the names for each microphone user
that are displayed as part of the name overlay. Press the person with the
green plus sign to add a name. Double click “Jane Doe” to set the name and
Description to set the title/description of each person. Adjust the microphone
number associated with the person by clicking the up/down arrows next to the
microphone icon. When completed, press the down arrow icon to save the
configuration. Next time you run the app, press the up arrow icon to open the
configuration.
Name overlay positioning
Under the Virtual Camera tab, the placement of the name overlay is set. The
name overlay matches the microphone number set in the People tab and switches
to follow the microphone speaker. The name is positioned within the video
frame by clicking and dragging the name to the desired location. Note that
Microsoft Teams is a 4:3 aspect ratio, which the red lines denote.
The Name overlay toggle selection will turn the name overlay on or off for all users.
Select Camera Input
Go to the Tracking tab to select the camera sources. Camera sources can be any
camera connected to the computer that appears as a virtual camera within
Windows. This includes USB cameras/webcams and HDMI/SDI cameras connected with
a USB HDMI/SDI capture device. Click the drop down menu to see a list of
available sources. The Erika AI App supports two sources. Once the camera is
selected, a preview of the live camera source is shown. Click in an open area
to show a dropdown list of available microphone windows to place. Only one
window per microphone is currently available. The window for each mic should
be placed on the person assigned to the mic. The window size can be changed by
using either the mouse wheel or pinch to zoom on a mousepad when the cursor is
hovering over a window.
Pressing the lock icon will change the output video to show the entire camera
view and disables face tracking. Microphone switching is still enabled.
Pressing the person icon disables the face tracking for the specific camera.
Locking to a full camera view at the start of a meeting is a good way to show
who is in attendance. If the second camera is used to display a
slideshow/presentation from another computer, the camera lock is a good way to
see the entire view of the presentation while still allowing microphone
switching.
Camera selections and microphone/tracking windows are saved and recalled when
the app is reopened.
Move camera extraction windows
Once the window has been placed, click and drag from within the window to
move. Click the red X to remove the window. Note that each window displays the
name of the microphone user. Extraction windows can be resized by using the
mouse scroll wheel or pinch to zoom in/out on a laptop trackpad. Hover the
mouse over a selected window to change the size of the extraction. The output
video is held constant while the extracted video is scaled to match the
output.
If a face has been detected in the active window, the extraction window will
automatically move to follow the face.
Camera Selection within destination application
In the streaming/recording application, select the video source to be Erika
Virtual Camera and the audio source to be Erika Wireless Microphone. Currently
supported applications are Zoom, Microsoft Teams, and OBS. Other applications
are also likely to work.
Erika AI App Audio View
The Audio tab view shows the active status of the Erika AI system including
what mics are connected, their battery levels, the selected microphone, and
the audio levels. User controls include individual mic mute, global audio
mute, solo mode, which freezes microphone auto switching, and microphone
identifier flash. Pressing the blink LED button on a microphone will cause the
LED of that microphone to flash, easing identification.
Erika Microphone Pairing
Under the Pairing tab, Erika receivers and mics are connected/paired. Note
that each device must be unpaired prior to pairing, ie each microphone pairing
needs to be cleared by connecting to the computer via USB and pressing the red
trashcan icon to clear the pairing. When pairing, the microphone needs to be
held close to the receiver. Other microphones that are not paired need to be
placed on a table and not touched while pairing a microphone.
Start Erika AI app on Windows startup
Press the start button and type Erika to find the app. Right click on the app and choose “Open file location”.
Press the start button, type run, and press enter. Type shell:startup and press enter in the run dialog box.
Copy the shortcut from the file location for the Erika AI app into the startup folder location.
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