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====What Goes Where in LCC====

===Speaker is remote only===
Goal in LCC is to show presentation to audience and provide for questions.
  * Single computer
    * Labeled: LCC Audience
    * Video out: to screen, showing the presentation and active speaker
    * Camera: faces audience
    * Speaker/microphone: connected and is moved to be close to anyone asking question
    * Management: local host mutes microphone and unmutes only when someone is asking a question

===Speaker in the room only===
  * First computer
    * Labeled: LCC Audience
    * Video out: none
    * Camera: faces audience
    * Speaker/microphone: none
    * Management: none
  * Second computer
    * Labeled: LCC Speaker
    * Video out: to screen, showing the presentation and active speaker
    * Camera: 
      * if computer camera, faces Speaker
      * if external camera, faces Speaker, turn to audience when audience member asks question
    * Speaker/microphone: near Speaker, can either move to audience member asking question else questioner comes to the speaker/microphone
    * Management: none





====Objectives====
===John Rudy, Harry, and others===
  * Some people physically in LCC room, others remote from home
  * Likely more than 10-15 remotely & a bunch in the room
  * Remote attendee can raise hand and verbally ask question of presenter
  * Operates similarly to if we're all in the same room
  * Do we need a moderator?
  * How to handle recording of presentations when in hybrid?
    * Some in the LCC activity
    * Some remote activity
  * How to improve presentations in LCC over pre-covid

===Carl Lazarus' experience===
  * Has taught classes at BOLLI
  * Best to use a laptop provided to presenter, presenter brings USB stick (not using presenter's laptop)
    * presenter looks at this laptop
    * sees his slides and questioners
    * showing on a screen behind him
  * Maybe more remote attendees than in the room
  * Remote participants need to use the 'raised hand' when asking to speak
  * Good if there are two monitors: laptop used by presenter and a second to show attendee vids
  * How to make sure questioner in the room can be heard (pass a microphone around?)



====Details of a Methodology====
Notes from email and Zoom discussions during the week of 5/9/22 and a face-to-face meeting on 5/16/22 in Room 237 at the LCC between Harry & Steve about technical issues for changing LCTG meetings from zoom-only to hybrid 
(zoom and in-person) meetings. 
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We are exploring how to hold hybrid meetings, so that people can present or watch the meeting either remotely or locally, in the usual room in the Lexington Community Center (LCC).

A very uniform and manageable way to run these meetings is to have everybody (the presenter, the audience in the room, and the remote participants) use Zoom as a shell for the presentation and audience interactions.  

  * The Presenter and all of the Remote participants in the meeting use Zoom for all content presentations and interactions.
 
  * The Presentation is viewed:
    * By a local participant on the large screen at the front of the room
    * By a remote participant on their computer screen

  * The Presentation is heard:
    * By a local participant:
       * through the air if the Presenter is local
       * through the meeting room audio system if the Presenter is remote.
    * By a remote participant:
       * through the speaker/headphones of their computer.

===Local setup===
  * There is a PC ("the room-PC") in the room that is set up by the LCTG host.  
    * It is connected to the Zoom meeting and the large display via HDMI.  
      * Thus it supplies the video from the presentation to those in the conference room.
    * Its camera faces the room and thus video captures all who are attending the meeting.
    * Its microphone remains muted unless being used to support a local attendee asking a question (see the section below)
      * a local presenter will have to mute their speaker output while the question is being asked by the local attendee at the room-PC
      * It might be adequate to use a local presenter's microphone to pick up questions from the room.
    * If the presenter is not in the room, this room-PC supplies audio to the room.
  * If local attendees bring their PC then its speakers must be silent (ok to use headphones) and muted during the presentation
    * As usual they would unmute when asking questions. 


Let's now take a look at how this would happen from the viewpoints of the presenter and the attendees.

===Presenter===
  * Presents as usual on their PC, whether local or remote, meaning they connect to Zoom and give their presentation.
  * If the presenter is in the room, they turn up their PC speaker's volume (so they and others in the room can hear remote attendee questions)
    * zoom will prevent echo/feedback with the presenter's microphone



===Attendees asking questions===
  * Questioner is in the conference room
    * Questioner has PC in the conference room:
      * they use their PC to ask the question as usual (keep thei speakers muted, unmute to ask a question), or
      * they use chat to comment or ask questions (as usual)
    * Questioner doesn't have PC in the conference room:
      * Use a neighbor's PC (keep speakers muted) to ask or 
      * Use the 2nd PC in the room to ask
  * Questioner isn't in the conference room - questioner uses their PC to ask a question, as usual

===Concerns===

Although we believe many problems have been solved with the procedures described above, there are still some issues of concern in the following areas:
  * __Feedback__. 
    * In the room, speaker or questioner.  They're using their PC microphone and sound is coming from PA.

  * __Delay__. 
    * Speaker or questioner may hear what they say after a delay, this might be disconcerting or confusing to those speaking.

  * __Echo__. 
    * Will happen if the PC in the room is playing audio.  All audio in the room needs to come from the PA to avoid echo.


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