Re: Webcam resolution in VLC (and elsewhere)
- To: debian-user@lists.debian.org
- Subject: Re: Webcam resolution in VLC (and elsewhere)
- From: Celejar <celejar@gmail.com>
- Date: Fri, 1 Jan 2021 09:50:00 -0500
- Message-id: <[🔎] 20210101095000.3b9c05bc73e2993b4136b77f@gmail.com>
- In-reply-to: <a4449e9a-4b82-11eb-9b6a-00163eeb5320@msgid.mathom.us>
- References: <20201230103251.779603298a0b0bf7f5349bc0@gmail.com> <d04695a4-fe10-4ab2-be54-a2668e7afc06n@googlegroups.com> <20201231105936.454463786796ecfe1b33efc7@gmail.com> <a4449e9a-4b82-11eb-9b6a-00163eeb5320@msgid.mathom.us>
On Thu, 31 Dec 2020 11:13:54 -0500
Michael Stone <mstone@debian.org> wrote:
> On Thu, Dec 31, 2020 at 10:59:36AM -0500, Celejar wrote:
> >I don't know how to evaluate this. But still, if the camera is
> >reporting 720p, shouldn't the applications default to that?
>
> The optical quality on most small web cams is so bad that increasing the
> resolution just means significantly more bandwidth is used to produce a
> picture that's visually indistinguishable from the lower resolution
> version. Most video chat applications will downsample a high res image
> anyway, so generating a high res stream is just making more work. There
> are cameras and applications where the increased resolution matter, but
> they're the exception IME.
Very interesting, thanks. Zoom does offer standard HD and even FHD in
some cases:
https://support.zoom.us/hc/en-us/articles/115002595343-Video-enhancements#h_01EEEKVD06W1QDZ5GXCS2B9KYN
https://support.zoom.us/hc/en-us/articles/207347086-Group-HD
Celejar
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