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#FileFormats

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Oblomov<p>I have three .avi files that have identical size but different md5sum.</p><p>A simple binary diff tells me that there are a couple of single-byte differences. Is there some kind of tool that would allow me to tell what those differences amount to? (Video, audio, whatever else?)</p><p>EDIT: SOLVED, see below</p><p><a href="https://sociale.network/tags/askFedi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>askFedi</span></a> <a href="https://sociale.network/tags/mastoHelp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mastoHelp</span></a> <a href="https://sociale.network/tags/fileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileFormats</span></a> <a href="https://sociale.network/tags/solved" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>solved</span></a></p>
RodolfoRG<p>I'm wondering if there is a image file format that allows to embed translated text.<br>Useful for a lot of stuff, including comics.</p><p><span class="h-card" translate="no"><a href="https://framapiaf.org/@davidrevoy" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>davidrevoy</span></a></span> do you know any?</p><p><a href="https://mastodon.online/tags/comics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>comics</span></a> <a href="https://mastodon.online/tags/i18n" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>i18n</span></a> <a href="https://mastodon.online/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a></p>
Eugene Alvin Villar 🇵🇭<p>The <span class="h-card" translate="no"><a href="https://w3c.social/@w3c" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>w3c</span></a></span> recently released version 3 of the <a href="https://en.osm.town/tags/PNG" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PNG</span></a> spec more than 2 decades after version 2 was released in 2003. The new spec largely makes official various extensions already in use like animated PNGs, HDR support, and EXIF metadata, so many browsers and graphics apps already largely support it.</p><p>Here’s an article by Chris Blume, who is the chair of the W3C PNG Working Group: <a href="https://www.programmax.net/articles/png-is-back/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">programmax.net/articles/png-is</span><span class="invisible">-back/</span></a></p><p>1/2</p><p><a href="https://en.osm.town/tags/W3C" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>W3C</span></a> <a href="https://en.osm.town/tags/graphics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>graphics</span></a> <a href="https://en.osm.town/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a></p>
Karl Voit :emacs: :orgmode:<p>Hilarious <a href="https://graz.social/tags/SMBC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SMBC</span></a> on the <a href="https://graz.social/tags/plural" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>plural</span></a> of <a href="https://graz.social/tags/files" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>files</span></a>:<br><a href="https://www.smbc-comics.com/comic/plural-2" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">smbc-comics.com/comic/plural-2</span><span class="invisible"></span></a></p><p><a href="https://graz.social/tags/fun" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fun</span></a> <a href="https://graz.social/tags/file" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>file</span></a> <a href="https://graz.social/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://graz.social/tags/PIM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PIM</span></a></p>
Thorsted<p>The latest version of <a href="https://digipres.club/tags/PRONOM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PRONOM</span></a>, v120 has been released! Identification for 30 new PUIDs, 32 new signatures and 32 updates. <a href="https://digipres.club/tags/digipres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digipres</span></a> <a href="https://digipres.club/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://digipres.club/tags/digitalpreservation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digitalpreservation</span></a> <a href="https://www.nationalarchives.gov.uk/aboutapps/pronom/release-notes.xml" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nationalarchives.gov.uk/abouta</span><span class="invisible">pps/pronom/release-notes.xml</span></a></p>
Daniel E. Weeks<p>“as a result of these choices, we now have three incompatible FASTQ variants that cannot be reliably distinguished.“</p><p><a href="https://fediscience.org/tags/bioinformatics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bioinformatics</span></a> <a href="https://fediscience.org/tags/genetics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>genetics</span></a> <a href="https://fediscience.org/tags/genomics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>genomics</span></a> <a href="https://fediscience.org/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> </p><p>RE: <a href="https://neuromatch.social/@jonny/113479546922095889" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">neuromatch.social/@jonny/11347</span><span class="invisible">9546922095889</span></a></p>
jonny (good kind)<p>literally who hurt genomics to make you all encode one specific kind of number as the ASCII characters from ! to ~ as an integer input to some logarithm function, but then others of you changed the function but kept encoding it as a single ASCII character ranging from -5 to 62 (???), and then later they decided that -5 to 62 was silly and so they changed that to 0-62 and throwing away half the original range for no reason, except actually it's 0-40 by convention.</p><p>did anyone consider "encoding it as a number"</p><p><a href="https://doi.org/10.1093/nar/gkp1137" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1093/nar/gkp1137</span><span class="invisible"></span></a></p><p><a href="https://neuromatch.social/tags/DataStandards" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataStandards</span></a> <a href="https://neuromatch.social/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> <a href="https://neuromatch.social/tags/Genomics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Genomics</span></a></p>
Thorsted<p><a href="https://digipres.club/tags/PRONOM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PRONOM</span></a> hackathon is still in full swing! Want to contribute? Adding a description is an easy way to help build on this amazing resource! <a href="https://digipres.club/tags/digipres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digipres</span></a> <a href="https://digipres.club/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://github.com/digital-preservation/PRONOM_Research/blob/main/PRONOM_Research_Week/Research_Week_2024.md#descriptathon" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/digital-preservatio</span><span class="invisible">n/PRONOM_Research/blob/main/PRONOM_Research_Week/Research_Week_2024.md#descriptathon</span></a></p>
Jeff Zugale - Z Factory<p>Thing that irks me: being told “I can’t open these Blender .blend files, can you send me (some other usually proprietary format)?”</p><p>Seriously? BLENDER IS FREE. It’s *FREE*. blender.org is RIGHT THERE. 😤</p><p><a href="https://mastodon.art/tags/blender" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blender</span></a> <a href="https://mastodon.art/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://mastodon.art/tags/foss" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>foss</span></a> <a href="https://mastodon.art/tags/3D" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>3D</span></a></p>
Thorsted<p>My paper is available for an early read. <a href="https://ipres2024.pubpub.org/pub/frnya0ft/release/1" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ipres2024.pubpub.org/pub/frnya</span><span class="invisible">0ft/release/1</span></a> <a href="https://digipres.club/tags/digipres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digipres</span></a> <a href="https://digipres.club/tags/Macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Macintosh</span></a> <a href="https://digipres.club/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a></p>
The Cuddlepunk Cub<p>Question for the Fediverse.</p><p>What format do you think would be better to store audiobooks in?<br>.m4b or .mka</p><p>love to hear reasons in comments</p><p><a href="https://lgbt.io/tags/audiobook" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>audiobook</span></a> <a href="https://lgbt.io/tags/audio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>audio</span></a> <a href="https://lgbt.io/tags/audioformat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>audioformat</span></a><br><a href="https://lgbt.io/tags/ffmpeg" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ffmpeg</span></a> <a href="https://lgbt.io/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> <a href="https://lgbt.io/tags/audiobooks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>audiobooks</span></a> <a href="https://lgbt.io/tags/askfedi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>askfedi</span></a></p>
dusoft<p>Files from 1990's in old formats? LibreOffice FTW!<br><a href="https://outofmymind.scanlen.com/?p=2390" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">outofmymind.scanlen.com/?p=239</span><span class="invisible">0</span></a> <a href="https://fosstodon.org/tags/old" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>old</span></a> <a href="https://fosstodon.org/tags/oldformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>oldformats</span></a> <a href="https://fosstodon.org/tags/files" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>files</span></a> <a href="https://fosstodon.org/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://fosstodon.org/tags/archiving" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>archiving</span></a> <a href="https://fosstodon.org/tags/archives" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>archives</span></a> <a href="https://fosstodon.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retrocomputing</span></a> <a href="https://fosstodon.org/tags/LibreOffice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LibreOffice</span></a></p>
#Digital ⚓️ #Vagabond 🦈<p>Some interesting possibilities with Google Docs to support Markdown.</p><p><a href="https://arstechnica.com/gadgets/2024/07/real-actual-markdown-support-is-arriving-in-google-docs-not-a-moment-too-soon/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">arstechnica.com/gadgets/2024/0</span><span class="invisible">7/real-actual-markdown-support-is-arriving-in-google-docs-not-a-moment-too-soon/</span></a></p><p><a href="https://digipres.club/tags/digipres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digipres</span></a> <a href="https://digipres.club/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a></p>
Thorsted<p>I find it hard to understand why a software developer would choose to use a new extension for every variation. It's all the same format, but makes <a href="https://digipres.club/tags/digipres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digipres</span></a> more complicated. <a href="https://digipres.club/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://digipres.club/tags/goodgrief" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>goodgrief</span></a></p>
Michael Gisiger :mastodon:<p>"Basically, if a file on your computer can only be opened by a specific piece of software, and that software is controlled by a single company, you should probably export it to an open format. It's the only way to future-proof it."</p><p>You don't say 🤷</p><p>Some time ago, I was able to restore about 3 years (2004 onwards) worth of personal notes from a backup on CD-ROM, because the notes were stored as plain text files by my personal wiki back then. They now reside in my <a href="https://nerdculture.de/tags/pkm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pkm</span></a> tool.</p><p><a href="https://www.wired.com/story/how-to-properly-archive-your-digital-files/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">wired.com/story/how-to-properl</span><span class="invisible">y-archive-your-digital-files/</span></a></p><p><a href="https://nerdculture.de/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> <a href="https://nerdculture.de/tags/Archive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Archive</span></a> <a href="https://nerdculture.de/tags/LongTermStorage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LongTermStorage</span></a></p>
petersuber<p>Update. Again this year <span class="h-card" translate="no"><a href="https://bird.makeup/users/librarycongress" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>librarycongress</span></a></span> recommends <a href="https://fediscience.org/tags/XML" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>XML</span></a> and <a href="https://fediscience.org/tags/EPUB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPUB</span></a> over <a href="https://fediscience.org/tags/PDF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PDF</span></a>. (Scroll to I.ii.B.)<br><a href="https://www.loc.gov/preservation/resources/rfs/text.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">loc.gov/preservation/resources</span><span class="invisible">/rfs/text.html</span></a> </p><p><a href="https://fediscience.org/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> <a href="https://fediscience.org/tags/Formats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Formats</span></a></p>
doctorambient<p>Can anyone explain to me why <a href="https://mastodon.social/tags/Google" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Google</span></a> <a href="https://mastodon.social/tags/Chrome" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Chrome</span></a> keeps forcing me to change my registry on my computer to stop it from saving images from online in the <a href="https://mastodon.social/tags/webp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webp</span></a> format?</p><p>I have to keep making this change about once a month now.</p><p>WTF?</p><p><a href="https://mastodon.social/tags/fileformat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformat</span></a> <a href="https://mastodon.social/tags/fileformats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fileformats</span></a> <a href="https://mastodon.social/tags/jpeg" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>jpeg</span></a></p>
Serge from Babka<p>I'm looking for a file format that will let me embed text blocks along with key value pairs and is somewhat standard.</p><p>I don't like yaml because it handles text blocks clumsily.<br>Markdown is "ok" but it means I need a custom parser for the key/value pairs if they're embedded (not in the frontmatter.<br>JSON5 is "ok I guess".</p><p>Any ideas?</p><p><a href="https://babka.social/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a></p>
𝕂𝚞𝚋𝚒𝚔ℙ𝚒𝚡𝚎𝚕<p>🧵 …as already mentioned above, images on websites are no longer "only" GIF and JPEG but modern data-size sparing high quality images 📸</p><p>WebP: <a href="https://caniuse.com/webp" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">caniuse.com/webp</span><span class="invisible"></span></a><br>AVIF: <a href="https://caniuse.com/avif" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">caniuse.com/avif</span><span class="invisible"></span></a></p><p>—<br><a href="https://chaos.social/tags/webdev" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webdev</span></a> <a href="https://chaos.social/tags/web" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>web</span></a> <a href="https://chaos.social/tags/homepage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>homepage</span></a> <a href="https://chaos.social/tags/webpages" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webpages</span></a> <a href="https://chaos.social/tags/jpeg" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>jpeg</span></a> <a href="https://chaos.social/tags/gif" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gif</span></a> <a href="https://chaos.social/tags/webp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webp</span></a> <a href="https://chaos.social/tags/avif" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>avif</span></a> <a href="https://chaos.social/tags/webdesign" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webdesign</span></a> <a href="https://chaos.social/tags/images" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>images</span></a> <a href="https://chaos.social/tags/webimages" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webimages</span></a> <a href="https://chaos.social/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a></p>
Adam ♿<p>Where do I see the file/format/disc header found in <a href="https://ia800200.us.archive.org/26/items/BMUG-TVRToo-Update/TVR%20Too%20Update.iso" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ia800200.us.archive.org/26/ite</span><span class="invisible">ms/BMUG-TVRToo-Update/TVR%20Too%20Update.iso</span></a> (<a href="https://archive.org/details/BMUG-TVRToo-Update" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">archive.org/details/BMUG-TVRTo</span><span class="invisible">o-Update</span></a>)</p><p>It's not ISO9660 but I don't know the right keywords to search for much older CD formats.</p><p><a href="https://aus.social/tags/FileFormats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FileFormats</span></a> <a href="https://aus.social/tags/SoftwareHistory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SoftwareHistory</span></a> <a href="https://aus.social/tags/SoftwareArchaeology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SoftwareArchaeology</span></a> <a href="https://aus.social/tags/ReverseEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ReverseEngineering</span></a> <a href="https://aus.social/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a></p><p>Previously this asked: Does anyone recognise a file header of 42 44 AA 25? But I don't think this is the actual file header.</p>