Guidelines for virtual presentation recording

Official Language

The official language of the conference is English.

All presentation including discussion and submissions shall be made in English.

Instruction for Oral Presentations

As an online virtual conference, all presentations will be pre-recorded by the presenter and uploaded to a designated repository by October 19. See instructions below.

The conference itself will run on October 29-November 1 in parallel sessions (see Program) chaired with live introductions and Q&A.

NOTE: GHTC 2020 intends to host the pre-recorded presentations later on

Duration for each category of oral presentation are listed below:

    • Workshops will be LIVE
    • GHTC 10th Annnversary event will be LIVE with pre-recorded highlights or messages
    • Plenary Talks are scheduled for 45 minutes (including 5-10 minutes of Q&A)
    • Regular (author) Talks are scheduled for 20 minutes (including 3-5 minutes of Q&A). Upload deadline October 19
    • Poster (author) Presentations are scheduled for 10 minutes at the end of a thematic session (including 3 minutes of Q&A).
    • Panelist who provide a recording are 3-10 minutes.

Plenary speakers and Panelists: the conference committee will provide instructions for you regarding submitting your recording.

Authors Guidelines for Preparing Recording

Authors please use the following guidelines for preparing your video for uploading using Zoom MP4. NOTE: Zoom generated MP4 are compact; PPT MP4s are very large.
Duration: up to 20 minutes (including 3-5 minutes for LIVE Q&A with attendees)
File size limit: 100MB file
File format: MP4
Recommended  video height: 480 pixels (or whatever will keep size down to 100MB or less)
Aspect ratio: 16:9
Upload deadline: October 19 (midnight PT)

Please use this PPT Template for your slides.

Follow the instructions below to upload the file.

The presenting author(s) will receive a link to a Google Form to upload the video.

Please start early: given that the resulting video files will be very large, they might need a long time to transfer, and you might not be able to upload them in time if you start late.

Please play the recording after you make it to verify the audio quality. Check the microphone setup. We recommend a headset so you won’t get laptop fan noise etc. Also be in a quiet location – a coffee shop is not appropriate.

Instructions for Recording 

The easiest way to prepare your presentation video will be to subscribe to the free version of Zoom and use it to record your presentation video. A 20 minute presentation should be well below 100MB.See video instructions below.

PPT Export Video

Alternately, you can use Voice-over-PowerPoint (available in PowerPoint 2016 & 2019) and create a PPTSX file. Then Export to MP4. Note the generated MP4 by PPT Save-As is typically quite large and will likely need to be compressed to meet the size limit of 100MB for author uploads. Be sure to verify that the audio is included as there have been problems with PPT recordings. See the Microsoft support article here.

Please check the recording for quality and understandability, and for timing, as it needs to fit into the specified duration. We recommend using a headset so you won’t get laptop fan noise etc. in the recording.

Zoom Recording

Here are three links for videos showing as how to record a presentation with Zoom:

1. How to install and setup Zoom and create recording


2. Detailed instructions on setting up Zoom meeting to make recordings.


3. Advanced tips for recording – multi-segment



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Key Dates

Thu 29

GHTC 2020

October 29 @ 12:00 pm - November 1 @ 12:00 pm