All of this user’s content is licensed under CC BY 4.0.

  • 17 Posts
  • 212 Comments
Joined 2 years ago
cake
Cake day: October 20th, 2023

help-circle
  • Kalcifer@sh.itjust.worksOPtodatahoarder@lemmy.mlVHS digitization woes
    link
    fedilink
    English
    arrow-up
    0
    ·
    edit-2
    3 days ago

    […] Second thing is getting a capture card that records the resulting 1080p och 720p output from the ADC. I got a relatively cheap one which then plugs into the pc with usb-a. […]

    I want to capture interlaced — not progressive [2][1]. I don’t want any deinterlacing done by the capture card [3].

    References
    1. Type: Article. Title: “Progressive scan”. Publisher: “Wikipedia”. Published: 2025-02-08T03:27Z. Accessed: 2025-07-09T23:33Z. URI: https://en.wikipedia.org/wiki/Progressive_scan.
      • Type: Text. Location: §“Usage in TVs, video projectors, and monitors”. ¶1.

        […] Early HDTVs supported the progressively-scanned resolutions of 480p and 720p with 1080p displays available at higher cost. […]

    2. Type: Article. Title: “1080p”. Publisher: “Wikipedia”. Published: 2025-06-24T11:18Z. Accessed: 2025-07-09T23:38Z. URI: https://en.wikipedia.org/wiki/1080p.
      • Type: Text: Location: ¶1.

        1080p (1920 × 1080 progressively displayed pixels […]

    3. Type: Article. Title: “Deinterlacing”. Publisher: “Wikipedia”. Published: 2025-02-18T01:05Z. Accessed: 2025-07-09T23:40Z. URI: https://en.wikipedia.org/wiki/Deinterlacing.
      • Type: Text. Location: ¶1.

        Deinterlacing is the process of converting interlaced video into a non-interlaced or progressive form. […]


  • […] First thing to do is to convert the analogue signal to hdmi. […]

    Why? What’s wrong with directly capturing composite? I have yet to come across an HDMI capture card that doesn’t process the signal in some way (eg no upscaling, no deinterlacing). I’m doing this for archival purposes so I want the signal as unadulterated as possible.




















  • Kalcifer@sh.itjust.workstoFediverse@lemmy.worldHappy #GlobalSwitchDay
    link
    fedilink
    English
    arrow-up
    3
    ·
    edit-2
    5 months ago

    Signal isn’t federated [1][2][3.1]; it’s decentralized [1][2][3.2]. Though, for all practical purposes, I would generally argue that it’s centralized.

    References
    1. Signal-Server. signalapp. Github. Published: 2025-01-31T15:34:14.000Z. Accessed: 2025-02-01T09:24Z. https://github.com/signalapp/Signal-Server.
      • This is the source code for the server that Signal uses.
    2. “Signal (software)”. Wikipedia. Published: 2025-01-06T09:34Z. Accessed: 2025-02-1T09:30Z. https://en.wikipedia.org/wiki/Signal_(software).
      • ¶“Architecture”. ¶“Servers”.

        Signal relies on centralized servers that are maintained by Signal Messenger. In addition to routing Signal’s messages, the servers also facilitate the discovery of contacts who are also registered Signal users and the automatic exchange of users’ public keys. […]

    3. “Reflections: The ecosystem is moving”. moxie0. Signal Blog. Published: 2016-05-10. Accessed: 2025-02-01T09:40Z. https://signal.org/blog/the-ecosystem-is-moving/.
      1. ¶5. to ¶“Stuck in time”. ¶3-6

        One of the controversial things we did with Signal early on was to build it as an unfederated service. Nothing about any of the protocols we’ve developed requires centralization; it’s entirely possible to build a federated Signal Protocol-based messenger, but I no longer believe that it is possible to build a competitive federated messenger at all. […] [interoperable protocols] [have] taken us pretty far, but it’s undeniable that once you federate your protocol, it becomes very difficult to make changes. And right now, at the application level, things that stand still don’t fare very well in a world where the ecosystem is moving. […] Early on, I thought we’d federate Signal once its velocity had subsided. Now I realize that things will probably never slow down, and if anything the velocity of the entire landscape seems to be steadily increasing.

      2. ¶“Stuck in time”. “Federation and control”. ¶6.

        An open source infrastructure for a centralized network now provides almost the same level of control as federated protocols, without giving up the ability to adapt. If a centralized provider with an open source infrastructure ever makes horrible changes, those that disagree have the software they need to run their own alternative instead. It may not be as beautiful as federation, but at this point it seems that it will have to do.