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  • I don't know a lot about the internals from Icecast and the like, but it would be ...to abandon any direct interaction with the actual streaming server, and i don't know if that is in your interest. ...
    1 KB (192 words) - 12:08, 19 February 2016
  • ...e of the tools that use it is generally pretty good. But some applications don't provide their own documentation, and there are some points that people sh If you need really high speed and don't care if the bitrate is enormous (or the quality is really poor) you can u ...
    3 KB (455 words) - 10:39, 10 April 2010
  • - d: We don't know how long a slot we're getting, around an hour or two. We need to dec - d: If you don't have two hours of material let me know ...
    4 KB (812 words) - 17:03, 6 February 2015
  • CG for raw transform, no prediction: 'I don't know yet' We don't vote in the IETF! ...
    3 KB (477 words) - 17:14, 6 February 2015
  • ...eate Xiph.Org conference swag: brochures, posters, toys, demo disks, etc. (don't do this without coordinating with folks) * Local blogging platform so JM / Xiphmont don't need to use livejournal— in particular having nice media support would ...
    2 KB (309 words) - 06:35, 2 March 2021
  • - jm: The impression I got was that the reason other codecs don't ge tthis is that they dont' run a prefilter and it gets blurred over and ...date and blurs again. So in our codec we unblur, and if there is noise, we don't beep bluring it, but retain it. ...
    3 KB (557 words) - 09:55, 31 March 2015
  • ...n't match up (FIXME: is this actually in the code ?), or the lacing values don't match up) it will increment the page counter by 1, which thus shows up as ...ed from lossless streaming''' case: as above, but you can seek. You still don't have eos pages ...
    3 KB (539 words) - 09:08, 23 June 2016
  • ...ully it will work better once it's caught up with the current code base. I don't think we have any clips that are great for testing it. - jm: These I don't think would look really well in the current deringing filter. That will d ...
    8 KB (1,525 words) - 17:00, 6 February 2015
  • gmaxwell is on vacation, so don't pick him as a reviewer until the 18th :) ...previous open loop data to iterate and converge on what we would get.... i don't see a closed form solution but the iterative solution converges. We can d ...
    7 KB (1,269 words) - 17:01, 6 February 2015
  • Sing songs of praise to Operation Transcode. Help your friends (who don't think you're crazy) to do the same thing. Help make the world a better p ...colleagues in a never-ending cycle. But PowerPoint presentations and WMVs don't help the Open Media cause, do they? ...
    4 KB (700 words) - 11:57, 9 September 2015
  • - j: I don't think we should gate the release on 32x32 and deringing. - jm: We don't need as much energy preservation for video, but it's still good. Another ...
    8 KB (1,475 words) - 11:23, 23 December 2014
  • ...per block which disables the filter entirely for the block (gain of 0). I don't have crossfade, but I didn't notice much of an issue with blocking artifa ...n the edges of the dunes. The color edges are just chroma contrast so they don't show up. I'm not sure yet how to handle chroma. THere's many ways to hand ...
    8 KB (1,510 words) - 16:59, 6 February 2015
  • - s: I still need to deal correctly with matching and padding, but I don't have a better plan, no. ...Please start with the actual test for reconstruction noise, otherwise you don't know where the problem lies. It's quite possible that EDI works will well ...
    6 KB (1,218 words) - 17:00, 6 February 2015
  • * ''If browsers don't widely implement a feature'', or if authors don't use a feature, or if the uses of the feature are inconsequential of funda ...s as they do with the spec; they aren't just for finding browser bugs.) We don't yet have a good story with respect to test suites, sadly. If you want to ...
    4 KB (690 words) - 06:54, 1 August 2009
  • ...ing this thing. i'm seeing a lot of bheavior with the new predictors which don't just use DC for the 16x16 case. it moves some low frequency energy into H - derf: we don't use adaptive quantization so we should be spending more bits than we actu ...
    6 KB (1,198 words) - 17:15, 6 February 2015
  • - t: The MVs also worked. So far it looked like the MVs don't get screwed up, but I need to look at them more. For coding the predictor - d: I don't know what you mean. ...
    7 KB (1,303 words) - 01:45, 15 April 2015
  • ...e uncompressed reference. So it's useful to have it lying around anyway. I don't know if we want to motion compensate the old reference though. - d: I don't think skip decisions helps you at all. You're tlaking about feed forward ...
    10 KB (1,989 words) - 17:02, 6 February 2015
  • - jm: if we don't use 4x4, it's even worse. look at http://jmvalin.ca/video/fruits_low2.png - d: we certainly don't. ...
    5 KB (1,015 words) - 17:03, 6 February 2015
  • * Don't code blocks that are outside the image * Re-order bitstream (e.g., don't code all MVs at the front, etc.) ...
    2 KB (329 words) - 13:06, 18 February 2015
  • ...ce yourself. Hang out with us on IRC. Give us a chance to get to know you. Don't be shy. Multimedia programming is technically demanding and while we do e ...oject would you like to work on? If it's one from our list of suggestions, don't just copy the title from there - tell us a bit about what approach(es) yo ...
    3 KB (584 words) - 02:12, 3 March 2015
  • - jm: i don't know exactly what i want or need, but i watn to know whether my code is g ...ere to produce a motion compensated reference so you can blend it, but you don't have to spend a lot of bits coding it. this winds up being a pretty hard ...
    9 KB (1,852 words) - 17:03, 6 February 2015
  • ...ere is what it actually looks like, because for something like deringing I don't trust our metrics. Do you have something we can look at? - m: I was there for some of it but don't really have a good understanding, have you written this up? ...
    6 KB (1,181 words) - 17:01, 6 February 2015
  • - x: Still working on pseudo-directional transforms. Though if it works (don't know yet), it is a varaint of Jean-Marc's idea -- encoding a strip of pix - x: In the transform domain they don't look different. ...
    10 KB (1,891 words) - 16:57, 6 February 2015
  • ...age better make the curves better. it's a good part of our process that we don't have to care about the metrics. - j: summary: we don't need to beat webp for honolulu but do need to be better than where we are ...
    11 KB (2,239 words) - 17:05, 6 February 2015
  • ...ck size switching right now has kind of a high rate for mode signalling. I don't know yet whether it's caused by the block size decorrelating the mode val - d: That's interesting but I don't know the answer. ...
    9 KB (1,727 words) - 17:00, 6 February 2015
  • ...room through a '''[https://webchat.freenode.net/ web interface]''' if you don't have an IRC client. * '''Do''' send separate "format-fixing" patches, making sure they don't change Opus' functionality at all. ...
    4 KB (594 words) - 20:41, 25 September 2018
  • - jm: i don't like copyright assignment. that's my only issue. - d: i don't see any reaosn it wouldn't work, but i don't know how you plan on handling the sudden changes at block boundaries. ...
    9 KB (1,834 words) - 17:10, 6 February 2015
  • - jm: i don't know - jm: i don't know ...
    11 KB (2,275 words) - 17:04, 6 February 2015
  • ...sues and also learned that the blocksize switching is helping Haar which I don't understand - d: I have been looking at how I would actually want to do this and I don't think the per band interpolation that is in there is what we want to do ...
    12 KB (2,457 words) - 08:28, 21 May 2015
  • - jack: don't assign all reviews to tim by default :) ...nd i'm trying to investigate why. tim suggested i look for DC shift, but I don't thin it's a problem. He suggested I do a psnr for each kind of pixel and ...
    10 KB (1,949 words) - 17:00, 6 February 2015
  • - d: That's a different thing. I don't think we should make this meeting longer just for that. - jm: I don't know who else tried block size switching with current master, but whoever ...
    8 KB (1,480 words) - 09:15, 3 March 2015
  • - jm: i don't think it matters in the short term - d: we don't want the spacing to be linear. there's no reason it needs to be. ...
    6 KB (1,255 words) - 17:07, 6 February 2015
  • ...yond flat to jpeg-style. multiscale SSIM will move where the other metrics don't. - xiphmont: what about people who notice we collect data but don't use it? ...
    10 KB (1,904 words) - 17:06, 6 February 2015
  • smarter: why do we need a limit? What happens if we don't have one? derf: x264 does this in its lookahead thread. We don't have a lookahead thread. We could copy their design (which requires rate ...
    11 KB (1,898 words) - 08:12, 21 May 2015
  • | don't code outside frame | don't use SAD (Sum of Absolute Differences) ...
    4 KB (549 words) - 13:33, 23 September 2015
  • u: I don't know if that causes other blocking artifacts when you don't run the post filter there t: I also have one for stieners generic SSIM patch, the only issue is that I don't think that it is used anywhere ...
    7 KB (1,345 words) - 16:58, 6 February 2015
  • - jm: exactly. i don't know how the actual quality relates (aside from raw metrics). once I saw - jm: before trying to train 16x16, which i think is doomed (way too hard, we don't code edges at 16x16). how about we get 4x4 to work with TF. just getting ...
    8 KB (1,477 words) - 17:03, 6 February 2015
  • - g: that's assuming we don't turn down the scaling at some high rate - jm: i don't think we should make the normal non-lossless case worse for lossless. ...
    10 KB (1,917 words) - 17:06, 6 February 2015
  • - jm: I don't see a way to avoid that. Mayber there is but I haven't seen it. I think t - d: I still think it is worth experimenting with. I don't think it will be as good as what you are doing now, but maybe it will be ...
    8 KB (1,475 words) - 19:00, 28 December 2014
  • - jm: I don't like automatic merges. ...thing that wavelets coders are doing where you don't have ringing but you don't geting any coding gain. ...
    10 KB (1,859 words) - 17:12, 6 February 2015
  • ...size (because 32x32 doesn't work yet). I also run PSNR optimized because I don't have PSNRHVS or any of the other metrics that JM has. I switched JM's to - jm: I have a single matrix now, but I need to put back in interpolation. I don't think it's as bad as it was before, but I'm not sure exactly why. I've be ...
    12 KB (2,272 words) - 08:23, 17 March 2015
  • * [[Ghost]]: A "next-generation" audio codec (vapourware so far -- don't hold your breath) ...
    2 KB (232 words) - 09:54, 25 December 2014
  • - jm: We can build a table and if people don't want the table at least we know it's reasonable to compute. Are there a b - d: There's really only two. I don't want to do X-Y symmetries because transposing everything is expensive. Re ...
    7 KB (1,288 words) - 20:14, 24 December 2014
  • ..., and it's a benchmark for future predictors. If you can't beat this, then don't bother. - j: What happens when the blocksizes don't match? ...
    11 KB (2,121 words) - 09:55, 17 February 2015
  • Both firmware variants don't support FLAC files. ...e-box. Even with a non-Korean-1.55 firmware they are still MTP devices and don't support Ogg Vorbis or AAC. ...
    5 KB (854 words) - 03:46, 27 June 2010
  • ...ard to get exactly the same quantization for different block sizes and you don't want the block size decision to pick whatever block size is best calibrat ...soon as you change anything in the filter you change your QMs even if you don't change the numbers in the arrays. ...
    11 KB (2,157 words) - 09:16, 3 March 2015
  • === Runs don't display === ...
    5 KB (765 words) - 15:48, 29 August 2017
  • - x: I don't know that I would. When I say splitting the difference, the filters aren' - x: I don't have a filter that is prediction only that is capable of representing the ...
    8 KB (1,550 words) - 16:57, 6 February 2015
  • - x: the answer is I don't know, but I would like to know. - y: no I don't think so, ...
    13 KB (2,674 words) - 07:59, 27 April 2015
  • * YYY = Your name. If you'll be using snail-mail, don't forget to sign the letter with a pen! ...e you'll need to edit out the template to remove what shouldn't be there. Don't forget that asking for all of them at once is probably not wise. ...
    20 KB (3,515 words) - 06:24, 24 June 2016
  • * Virtual playlist files don't work (code addressing this was merged into ''master'' branch) ...
    2 KB (297 words) - 05:08, 12 July 2018
  • ...D curves more or less agressive (one of) is preferred all the time. so you don't want to pay too much attention to the RD curves. - jm: i don't know. ...
    11 KB (2,125 words) - 17:04, 6 February 2015
  • == But I don't care about any of those movements! I'm just a normal person. == ...ormat. Container formats are different to video and audio formats, but you don’t need to know [[A_Digital_Media_Primer_For_Geeks|the details]]. Just kee ...
    7 KB (1,236 words) - 12:05, 9 September 2015
  • - x: That's a larger loss and I don't know why it's happening. - jm: I still don't understand how it uses the max. ...
    8 KB (1,522 words) - 09:00, 21 April 2015
  • ...nk this falls under the category of instagram filter and not a lot more. i don't know how to use it for video. maybe jm will find a way to use it for vide - t: just, since we don't have one, we are currently relying on the reconstructed frames for intrap ...
    7 KB (1,271 words) - 17:00, 6 February 2015
  • - s: I think we don't care whether it's called dynamic programming or not. - d: You don't have five octaves in an 8x8 block. ...
    10 KB (2,065 words) - 11:01, 3 March 2015
  • ...world. We lost it when we switched block sizes anyway. Except now that we don't in some cases where we did before. ...would be, but keep in mind most codecs do AM on a macroblock level, and we don't do it on 4x4 at all because edges. ...
    15 KB (2,839 words) - 10:08, 17 March 2015
  • ...sure that you check multiple rates. At low bitrates, relaxed is better. I don't know if the bitrate is too high for us to see much difference, but at v=2 - jm: Even that I don't know how to solve because of a minor detail related to us not having an a ...
    5 KB (1,010 words) - 09:19, 10 February 2015
  • Actually, if you want to use Speex for Voice over IP (VoIP), you don't need to use an Ogg container at all. ...n performed, I'd say it works correctly at 8 kbps and above. Make sure you don't use the lowest complexity (see SPEEX_SET_COMPLEXITY or --comp option), as ...
    10 KB (1,653 words) - 08:02, 9 November 2017
  • - jm: for 16x16 we don't predict anything so pvq is not that useful. - g: not just that. part of the problem is that i don't know what to look at. here we have prediction gain telling us it's a lot ...
    6 KB (1,160 words) - 17:08, 6 February 2015
  • ...about low-delay, high-quality audio coding. The work has just started, so don't expect anything in the near future (or at all for that matter). ** Of course, we don't want to encode perceptually irrelevant sinusoids. Actually, we want the r ...
    8 KB (1,228 words) - 00:00, 13 November 2013
  • ...iki/Podcast netcast or podcast]), not to the audiocast's main homepage. We don't link directly to the feed url because they tend to move around, because t ...
    4 KB (538 words) - 09:42, 26 October 2011
  • ...bit Windows version, open the win32 folder, else the win64 folder. (If you don't know, follow the steps on [https://support.microsoft.com/?kbid=827218 thi ...
    3 KB (475 words) - 11:20, 16 May 2015
  • * Header-gain set very high with a very quiet input (silent if you don't implement header gain). ...
    2 KB (382 words) - 16:47, 25 April 2016
  • ...s some interesting properties, like it's all in the frequency domain but I don't know if we want to do something else that's more complicated ..., something like the distribution for theta falls off a cliff, even if you don't know where the cliff is ...
    10 KB (1,951 words) - 16:58, 6 February 2015
  • '''Personal folders don’t seem like a must-have for a collection of sites with an associated Wiki * Plone sites tend to look like one another; this worries me as I don't want to have to go through ungodly contortions just to get a decent, uniq ...
    9 KB (1,622 words) - 04:31, 29 June 2015
  • Don't forget to also sign at the end. Put a "Translated by " in your language ...
    3 KB (463 words) - 05:15, 23 June 2016
  • ...and i measured SATD and used that as the metric for picking the mode. you don't do haar DC you just use the normal dc and use the k tokenizer for the rem ...altref frames that they have to turn off to deal with dropped frames. they don't do any online updates of prob models. so you have to turn that off, etc. ...
    8 KB (1,459 words) - 16:59, 6 February 2015
  • * Will try Opus as well but don't have test files yet. ...
    3 KB (453 words) - 04:04, 29 April 2014
  • - t: Yeah, it's definitely there. I don't know what happened. Are you using the original PNG file? ...
    3 KB (591 words) - 09:26, 6 January 2015
  • * Don't use partial packets unless absolutely necessary * If absolutely necessary, don't share the pages with other packets ...
    7 KB (1,066 words) - 09:22, 11 March 2012
  • - unlord: i don't believe so. that would be a good approach though is to start from the int - g: i don't think that's true but ti's certainly something we can test. ...
    13 KB (2,544 words) - 17:12, 6 February 2015
  • ...h a predictor is used for inter, i think PVQ is not bad at inter coding. I don't know the real culprit, but I hope the motion estimation is the reason. Th - d: I don't think you can compute a coding gain, but you'd want some distortion metri ...
    8 KB (1,547 words) - 11:34, 27 January 2015
  • ...ed within an Ogg physical bitstream. This is particularly a problem if you don't have all the decoder libraries available and just want to parse an Ogg fi ...of a page in the indexed stream, so if you seek to a keypoint's offset and don't find the beginning of a page there, or you find a page from another strea ...
    28 KB (5,255 words) - 09:03, 23 May 2016
  • - x: i don't. the cost function is applied after things are quantized to zero. ...s straightforward. it's implemented and working. the only caveat is that i don't know what CDF stands for. the CDF for 16x16 is a placeholder and we need ...
    13 KB (2,447 words) - 17:07, 6 February 2015
  • ...ed within an Ogg physical bitstream. This is particularly a problem if you don't have all the decoder libraries available and just want to parse an Ogg fi ...n the Ogg stream such that it can be identified straight away and decoders don't get confused about it being e.g. Ogg Vorbis without this meta information ...
    15 KB (2,741 words) - 00:53, 22 May 2016
  • We don't have the same level of funding but could start a pot with $10-$100 and ...
    4 KB (696 words) - 03:30, 28 November 2017
  • ...main semantic type of the track first. This is necessary, since mime types don't always provide the right main content type (e.g. application/kate is sema ...native tracks to track b (e.g. dubs in other languages for main audio), so don't display them together and if you activate one, disable the others ...
    11 KB (1,823 words) - 00:07, 17 March 2014
  • If you don't see your browser or player below, feel free to add it to the appropriate Controls / seeking don't work in unfullscreen mode if JavaScript is off, [https://bugzilla.mozilla ...
    15 KB (2,406 words) - 09:25, 8 September 2012
  • - u: i don't handle the 4x4 size correction. the tool doesn't work with luma 4x4. i ti ...
    4 KB (774 words) - 17:15, 6 February 2015
  • ...ions on how to listen to a stream, not to the station's main homepage. We don't link directly to the stream because they tend to move around, because the ...
    6 KB (804 words) - 01:35, 14 September 2011
  • * Other modern browsers don't actually need this for playback as they support Ogg Theora/Vorbis or WebM ...
    4 KB (681 words) - 07:34, 13 August 2015
  • keypoint's offset and don't find the beginning of a page there, you can # after a seek to a keypoint's offset, you don't land exactly on a page boundary, or ...
    15 KB (2,416 words) - 16:22, 22 November 2010
  • - jm: i meant to check but if i did I don't remember ...
    5 KB (929 words) - 17:07, 6 February 2015
  • ...ve measurements like PSNR and SSIM are tools for measuring "quality" which don't require a human to judge the quality, as the computer does it for you. As Modern lossy codecs don't do anything which should grossly change the overall brightness, hue, or s ...
    11 KB (1,844 words) - 09:55, 11 April 2010
  • CPU monitor I don't how much improvement I got. My task manager showed ...
    5 KB (738 words) - 06:33, 24 June 2016
  • Don't hesitate to also contact us on the [http://lists.xiph.org/mailman/listinf First don't panic and don't start writing assembly just yet. ...
    29 KB (4,851 words) - 10:57, 3 October 2020
  • - g: the metrics we use int eh training claim we are better than vp8, but we don't get the same visual effects. ...
    5 KB (1,001 words) - 17:03, 6 February 2015
  • ::when all the above encodes/decodes are done, don't close the command window! ...
    6 KB (1,012 words) - 14:52, 18 September 2015
  • ...ough "codec plugins" so that media players, stream software, encoders, etc don't have to add support for each codec seperatly. This is a basic foundation ...
    7 KB (1,125 words) - 05:46, 23 June 2016
  • *We don't need to check all 11 predictors all the time for 16x16 fullpel motion sea ...
    8 KB (1,386 words) - 14:19, 12 February 2019
  • ...oung.html an article on digital audio and why 24bit/192kHz music downloads don't make sense]. and you certainly don't get a stairstep when you ...
    35 KB (5,561 words) - 09:19, 2 July 2013
  • science. The big industry players in the field don't mind this Digital systems don't have these drawbacks. Digital signals can be ...
    41 KB (6,430 words) - 10:08, 25 November 2016
  • ...consumers of the old XML API as possible and also open source players that don't have Icecast directory support yet, but would benefit from it. Then after ...
    10 KB (1,517 words) - 03:03, 5 March 2015
  • ...ex-only seeking [and even tell users their files are 'broken' if the files don't contain an index]. ...
    12 KB (1,927 words) - 15:14, 18 September 2012
  • ...es outside the limit (either under 96Kbps or over 225 Kbps). Newer players don't have this limitation. However, please be alerted that many of the newer p ...since March 2005. MP-120 still doesn't play old Ogg Vorbis files, but they don't make it freeze up. The MP-450 is basically a MP-400 with color o ...
    38 KB (6,147 words) - 07:30, 12 September 2015
  • ...ivx/xvid in an OGM container....) I don't know if there are limitations. I don't understand why it's not advertised. ...ebsite and box say it can play ogg, but manual only mentions MP3/WMA/AAC - don't know why, may be because it (and it's sister unit, the CA-IP500) obviousl ...
    39 KB (6,350 words) - 08:49, 6 April 2013
  • ...swer your questions. Please join #xiph in Libera.Chat IRC for more. If you don't have IRC set up you can easily connect from your [https://kiwiirc.com/ we ...
    17 KB (2,578 words) - 00:17, 26 May 2021
  • ** Use cases don't seem well enough defined yet. Significant complexity. Any prospective har ...
    16 KB (2,166 words) - 16:03, 5 January 2015
  • ...since episode-I was first released. It also turns out that mkvmerge/clean don't generate strictly correct WebM files. The mkvmerge/clean problem can caus ...
    15 KB (2,447 words) - 17:17, 25 February 2013
  • ...h this field SHOULD take care to behave sanely if given crazy values (e.g. don't ...
    26 KB (4,414 words) - 08:55, 6 January 2017
  • **if no text event happens for a while after a particular text event, we don't want to delay it so a larger page can be issued ...
    44 KB (7,831 words) - 09:20, 21 February 2023