https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294270
Bug ID: 294270
Summary: handbook/multimedia: Microphones not covered
Product: Documentation
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: Books & Articles
Assignee: [email protected]
Reporter: [email protected]
The Handbook does not cover microphones. Multimedia (Chapter 9) covers sound,
webcams and video conferencing - the perfect place to fit microphones in?
https://github.com/freebsd/freebsd-doc/blob/main/documentation/content/en/books/handbook/multimedia/_index.adoc
Some ideas from this article by christos@ in the FreeBSD Journal:
https://freebsdfoundation.org/our-work/journal/browser-based-edition/freebsd-15-0/vox-freebsd-how-sound-works/
e.g. recording raw PCM (Pulse Code Modulation) to a file: `cat /dev/dsp > foo`
then playing it back with `cat foo > /dev/dsp`, or crude input monitoring to
check the microphone works, `cat /dev/dsp > /dev/dsp`. Selecting and muting
recording sources with mixer(8).
More generally, some guidance on setting up and disabling microphones would be
valuable. Note that some workplaces require microphones to be disabled as part
of security hardening policies so it's important to document how to do this.
See comments under bug #294167
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