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+[[!meta copyright="Copyright © 2023 Sacha Chua"]]
+[[!meta title="Infrastructure and processes"]]
+
+[Sacha Chua's EmacsConf presentation on EmacsConf](https://emacsconf.org/2023/talks/emacsconf)
+
+- Q: What did you use to make this? 
+ - All free/libre/open source tools:
+ - One private Org file with speaker/volunteer/talk info
+ - The talks were generally run using run-at-time,
+ org-after-todo-state-change-hook, and some TRAMP (by the
+ way, TRAMP does not like being run from timers at the
+ same time, so we shifted some talks =) )
+ - A public Org file for processes:
+ - <https://emacsconf.org/2022/organizers-notebook>
+ - <https://emacsconf.org/2023/organizers-notebook>
+ - An ansible repo for configuration management:
+ <https://git.emacsconf.org/emacsconf-ansible/>
+ - Lots of Emacs Lisp:
+ <https://git.emacsconf.org/emacsconf-el/>
+ - TRAMP for writing files and running commands on remote
+ computers
+ - OBS for streaming, Icecast for sharing the stream with
+ viewers
+ - VNC for letting hosts and streamers connect to the same
+ display for OBS streaming
+ - screen for naming shell commands and making them easier to
+ resume and kill
+ - BigBlueButton for video Q&A
+ - Mumble for speaking on the stream as well as for backstage
+ communications
+ - ERC for Internet Relay Chat within Emacs, The Lounge for
+ web-based IRC
+ - Ikiwiki for the wiki (editing through git commits)
+ - Etherpad for collaborative note-taking
+ - ffmpeg for reencoding videos to free (patent-unencumbered)
+ formats and compressing them
+ - Captioning (<https://emacsconf.org/captioning>):
+ - OpenAI Whisper for computer-generated transcripts to be
+ reflowed and edited by captioning volunteers
+ - Some Emacs Lisp code to help with reflowing
+ (emacsconf-reflow, in
+ <https://git.emacsconf.org/emacsconf-el/>)
+ - Aeneas (<https://www.readbeyond.it/aeneas/>) for
+ synchronizing reflowed text with the audio files
+ - subed.el (<https://github.com/sachac/subed>) for editing
+ captions within Emacs (synchronizes with MPV)
+ - MPV for playing videos (config tips:
+ <https://emacsconf.org/mpv/>
+ <https://git.emacsconf.org/emacsconf-ansible/tree/roles/obs/templates/mpv.conf>)
+- Q: How do you have multiple font sizes, countdowns and clocks in
+ fundamental mode?
+ - A:
+ <https://git.emacsconf.org/emacsconf-el/tree/emacsconf-stream.el>
+ : see emacsconf-stream-display-clock-and-countdown. You can
+ propertize a string with face attributes and then insert it.
+
+Quick links:
+
+- [emacsconf-ansible](https://git.emacsconf.org/emacsconf-ansible/) - Ansible configuration for setting up servers and scripts
+- [emacsconf-el](https://git.emacsconf.org/emacsconf-el/) - Emacs Lisp support files
+- [emacsconf-wiki](https://git.emacsconf.org/emacsconf-wiki/) - sources for the emacsconf wiki
+- [2023/organizers-notebook](https://emacsconf.org/2023/organizers-notebook/)
+- [2022/organizers-notebook](https://emacsconf.org/2022/organizers-notebook/)
+- [Sacha Chua's blog posts about EmacsConf](https://sachachua.com/blog/category/emacsconf/)
+ - [EmacsConf backstage: capturing submissions from e-mails](https://sachachua.com/blog/2023/09/emacsconf-capturing-submissions-from-e-mails/)
+ - [EmacsConf backstage: converting timezones :: Sacha Chua](https://sachachua.com/blog/2023/09/emacsconf-converting-timezones/)
+ - [EmacsConf backstage: Scheduling with SVGs :: Sacha Chua](https://sachachua.com/blog/2023/09/emacsconf-backstage-scheduling-with-svgs/)
+ - [#EmacsConf backstage: adding a talk to the wiki :: Sacha Chua](https://sachachua.com/blog/2023/09/emacsconf-backstage-adding-a-talk-to-the-wiki/)
+ - [EmacsConf backstage: jumping to and working with talks using Embark :: Sacha Chua](https://sachachua.com/blog/2023/09/emacsconf-backstage-jumping-to-and-working-with-talks-using-embark/)
+ - [EmacsConf backstage: making it easier to do talk-specific actions :: Sacha Chua](https://sachachua.com/blog/2023/09/emacsconf-backstage-making-it-easier-to-do-talk-specific-actions/)
+ - [EmacsConf backstage: Using TRAMP and timers to run two tracks semi-automatically](https://sachachua.com/blog/2023/01/emacsconf-backstage-using-tramp-and-timers-to-run-two-tracks-semi-automatically/)
+ - [Using Emacs and Python to record an animation and synchronize it with audio](https://sachachua.com/blog/2022/12/using-emacs-and-python-to-record-an-animation-and-synchronize-it-with-audio/)
+ - [Converting our VTT files to TTML](https://sachachua.com/blog/2022/11/converting-our-vtt-files-to-ttml/)
+ - [Re-encoding the EmacsConf videos with FFmpeg and GNU Parallel](https://sachachua.com/blog/2021/12/re-encoding-the-emacsconf-videos-with-ffmpeg-and-gnu-parallel/)
+ - [Adding little nudges to help on the EmacsConf wiki](https://sachachua.com/blog/2021/12/adding-little-nudges-to-help-on-the-emacsconf-wiki/)
+ - [EmacsConf backstage: picking timestamps from a waveform](https://sachachua.com/blog/2021/12/emacsconf-backstage-picking-timestamps-from-a-waveform/)