Makemkv read rate safe System has a ryzen 5900x and im ripping to a sata ssd Jun 10, 2024 · Start another MakeMKV window, wait for the drive to spin up, then close that new window 5. Post by ameliemopol » Thu Dec 09, 2021 12:00 pm. Feb 2, 2025 · Download MakeMKV 1. * We would like to show you a description here but the site won’t allow us. 11. MakeMKV files output at a variable frame rate for most of my NTSC discs compared to the 29. you can control how many retries and the delay between them in settings, Heavily loaded system - if the computer is struggling with the ripping process, then it will take longer. It took 29 minutes. 9 for Windows; Requires Windows XP or later, x86 or x64. And worse, the studio intentionally put a corrupted VOB in the form of an Extra, so that I had to set the Video minimum length to 1,500 seconds to ignore everything shorter than 25 minutes, which left me with the the Dec 16, 2024 · Then a window pops up where source DVD name/size, read rate, output file/size, free space, elapsed/remaining DVD backup to MKV time and the operation progress can be viewed. Basically after I discovered MakeMKV and handbrake, I was able to get a really solid workflow in place and just backup a bunch of my discs and encode them. Feb 10, 2025 · MakeMKV DVD & Blu-ray Ripper：A Brief Introduction. I have tried before but it requires a level of dedication for a few weeks I'm struggling to get through. 16. MakeMKV DVD Ripper is a software that converts DVDs and Blu-rays to MKV format. This software is compatible with both Windows and Mac operating systems. Jan 2, 2025 · Download MakeMKV beta MakeMKV for Windows and Mac OS X is available for download below. I'm running the latet Windows version of MakeMKV, 1. 9 Beta - Quickly convert video that you own into free and patents-unencumbered MKV format from DVD video, Blu-ray, HD-DVD, ISO or MKV files Aug 27, 2016 · Look in your MakeMKV data directory and see if you have any files with names that start with "MKB_v". Did you look at the container's log (docker logs MakeMKV to make sure the correct devices are exposed ? If I use the drive outside of this docker, it rips at x16 speed. If so, what is the HIGHEST number after the v? If it is greater than 62, send the file to support@makemkv. A DVD at around 6gb takes 2hours, and only shows a read rate of around 600kb/s. My media players play the movie just fine. Also you can find other DVD ripping software or Bluray ripping software in this article as MakeMKV alternatives. It plays for about 2 seconds, then pauses for 2 or 3 seconds, then plays some more. Comparing the authentication value of a virus check against the authentication value of a hash from known good publisher is amateurish. Jan 27, 2008 · By and large the most common read issues occur with the 100GB triple-layer discs. 1, and a ASUS BW-12D1S-U Blu-Ray reader. Never seen this before?. When you do this MakeMKV flags the lossless audio track(s). Been using this for years haveexperienced very few problems. 00, 1. Dec 13, 2014 · MakeMKV inconsistent read rate from Blu-Ray reader Post by multimiler » Sat Dec 13, 2014 6:02 am I'm running a MacBook Pro 15", with Yosemite 10. 14. I dont recall them being particularly slow but they do create unwieldy files, even after transcoding. 6X / 24 Ms on 4Ks. (When I tried this with a 2h30m movie two days ago, it took over 3h for MakeMKV to run. It also allows DVD to ISO conversion, and has a built-in video editor for video customization with features like cropping, trimming, adding effects, and cutting. I've tested this with an LG GGC-H20L and a Pioneer BDR-206. Dec 22, 2010 · 1. 04 for similar results. Panda I don't like as I had a lot of false negatives which I knew were safe. Jun 28, 2021 · I'm running the latet Windows version of MakeMKV, 1. 1. 12. MakeMKV 1. At this rate I'd probably need to buy at least 2 more sets! Ideally I can skip the bad sectors like I'm using Handbrake but I can't find any way to get that to work. 2 before I decided to make the upgrade to 1. I’ve never ripped a UHD blu ray. 1 Hey folks, fairly new to ripping my DVDs and Blurays and have been using MakeMKV. Choose the audio only since you have everything else in the . I regularly see 5 to 7x average speeds on BR content with my fastest sustainable rate of 13x. 10. 9x) - Maximum Read Rate: 3,521 KB/s (2. I'm just curious if this is a reliable, safe, and virus-free program? If it is, would you kindly supply a safe link? If not, would you please recommend a good program? Thank you, guys! 1. Oct 5, 2022 · I was using makemkv, to backup terminator (original, released a few years ago on Blu-ray). at this point the word 'safe' appeared next to the read rate. 97 constant on the DVD Decrypter VOB. A Docker image update will be available soon to address this. Additionally MakeMKV can instantly stream decrypted video without intermediate conversion to wide range of players, so you may watch Blu-ray and DVD discs with your favorite player on Jul 21, 2012 · I'm going to buy a Blu-ray burner but wanted to keep the audio and video quality the same. 4 had helped with some of them, there is one disk that wouldn't work even with 1. 03, and 1. txt and I made it with notepad. System has a ryzen 5900x and im ripping to a sata ssd We would like to show you a description here but the site won’t allow us. And I wonder, what determines the speed of the program? Read speed of optical drive, or anything completely different? besides this, I am very satisfied with the program running in docker. 5x/0. 0 M/s (2. While ripping DVD i see that i barely use any CPU on that machine. I'm discussing some optimizations I made to my disc ripping process using MakeMKV for setting up ripped physical media on a local server. 8 GB DVDs improved from about 10 minutes to about 6 minutes in order to rip the DVD using this USB 3. Just wondering how that compares. Other times, I need to close the instance of MakeMKV, power-cycle the drive, and then launch a new instance of MakeMKV. 5-3. Dec 17, 2017 · To manually add volume keys to makemkv, you open Makemkv, go to view->preferences, then, ->general and establish a folder for the "makemkv data directory". Fastest Read Rates? Fastest Read Rates? Post by Nicholas. To be safe I usually only select the one audio track I want and leave all other audio tracks unchecked. Recently I’ve been unable to rip Dune (2021), Kong Skull Island, Godzilla King of Monsters, and Godzilla vs Kong. If anyone could tell me if it is a safe download and possibly provide a safe link to get it from I would appreciate it. If it were a brand new publisher that might be a risk but it's not. 02. Right-click makemkv. Hi, I guess 30' is reasonable for BD mkv backup with 2hour movie. Apr 9, 2019 · MakeMKV is running in a docker. 1 about 17. System has a ryzen 5900x and im ripping to a sata ssd 1. After doing some research, my particular drive couldn't be "unlocked" to rip faster. g. Nov 23, 2021 · User experience. It takes forever, however - I'm currently 15 minutes into ripping a 1h30m movie; the MakeMKV file is at 671 MB and I'm guessing I'm just 10% done. Jun 10, 2024 · I thought this may be MakeMKV slowing the drive down because of read errors, but that doesn't seem to be the case. 2 drive, then move to a NAS with 7200 NAS rated HDDs. Outdated MakeMKV Version. iso from my NAS an I get read rates around 10-12x (40 to 50M/s). I'm using makemkv with . After reading so many positive things about MakeMKV and testing the program out myself I've decided I'm going to use this as the program to rip just over 200 blu-rays to MKV. I've barely used MakeMKV myself, but I've ripped a couple of DVDs with it and from memory it automatically detects the individual titles and each one is output as an MKV. I see default, flac, aac and wdtv. Feb 25, 2022 · While downgrading MakeMKV to 1. ifo) with PgcDemux, by adding the main movie ifo. Any ideas on the root cause of the slow read rates? Doesn't look bad to me at all. 04+ / BU40N 1. MakeMKV is a dead simple app that does one thing really well: make a full-size, 1080p MKV video file from your Blu-Ray disc. This is on the same host, with MakeMKV ? The drive is connected the same way to the host ? May 27, 2019 · LG 1. What is MakeMKV. i use a dockerized makemkv on a linux machine. 17. MakeMKV logs showed no error, just an abnormally low read-rate on the drive. 6 days ago · MakeMKV Overview: Is MakeMKV Safe to Use? MakeMKV is a popular software for converting Blu-ray and DVD discs into the MKV (Matroska) format, which preserves the original video and audio quality while removing unnecessary extras. Ripping fails will usually happen at the layer breaks, where ever those happen to fall. 8x read rate, by my understanding its suppose to be hitting north of 5x. There is the odd disk the drive struggles to read at any speed. 7 from the 1. In that newly established data directory folder, create a (plain) text file and paste those codes and all their info into the text file. TL;DR When using MakeMKV, should I see a sustained read rate relatively near the DVD burner's (e. 0 input rather than the USB 2. I never thought about how the layer conversion interacting with MakeMKV like that. MakeMKV is generally safe if downloaded from its official website. com for Mike to evaluate. Jan 28, 2015 · - Duration: 00:07:12 I 22:00:06 Average Read Rate: 2,636 KB/s (1. 10+ and similar The newer OEM firmwares cannot be flashed easily due to the additional downgrade checks implemented by the drive/firmware manufacturer. makemkv. There are many players that can play MKV files nearly on all platforms, and there are tools to convert MKV files to many formats, including DVD and Blu-ray discs. 0 (5. 4X range. 6 to 2. Top. Dec 3, 2021 · Read Rate BU40N. com MakeMKV support forum. MakeMKV is a free DVD-ripping software that will enable you to convert your movies to MKV, as its name suggests. I reripped all of my music in a week at a higher bit rate, and some of my dvd collection. My archgon player/recorder hit 5. Jul 15, 2021 · I'm running the latet Windows version of MakeMKV, 1. 0 input. 5 times read rate, and it was transferring 24. I’ve been using MakeMKV to make my backups. I wasn't sure if picking "original format" was the one I needed for, output format ,for it to be untouched. This could be a factor that eliminates tracking errors on layer change. I am using an external drive on my MakeMKV and Its Alternative [Top 23 MakeMKV Alternatives] There is the best MakemKV alternative - DVDFab DVD Ripper waiting for you. It's definitely a false negative. just wondering what are your read rates to benchmark mine. When enabled, MakeMKV will actively change drive speed - lower it down in case of read error or when the program scans the disc, and set the maximum speed when reading a large continuous file. I apologize in advance if this has been discussed or answered already. Mar 30, 2021 · When I try to run it in makemkv with my relatively new Vantec NST-51053-BK (which I got from Billy, set up for 4K), I can only get about 16 minutes into it and it freezes completely. Has anyone ever seen it go higher? Makemkv should definitely read the iso faster, you're encountering a very strange issue here. It plays fine on my Windows 10 PC, but I prefer to watch movies on a larger screen. May 10, 2023 · Before considering an alternative to MakeMKV, let us have its concrete description and features to meet. 3 registered, on a Win7-64-bit pro machine. Try to see if 2GB buffer makes any difference. Choose your favorite DVD/Bluray ripper and start to convert DVD to digital formats based on your needs. I am trying to rip the Kong vs Godzilla blueray, and experiencing extremely slow read rates ( 902K/sec) and the estimated complettion time is around 8 hours and 40 minutes and climbing. Jul 22, 2020 · As of 15. 25" standard DVD, 2 slimline dvd. A blu-ray of roughly 35gb take 12+hours at around the same speed. Yes you can. Wait several seconds, or wait for the disc to quiet down? 6. But none of these movies are able to be ripped, Dune can’t even be opened by MakeMKV. And I am always super careful about what I download from the internet because I'm always afraid it's gonna be a virus. Click the Preferences and revise your titles. after this the read rate dropped to 5. MakeMKV will provide you with the codecs you need: iMore – 7 Dec 21 Best apps for playing Blu-rays on your Mac in 2022. Typically I get 20-30 MB/s on blu rays and 5-9 MB/s on a DVD. I've now used MakeMKV twice to convert a DVD to an mkv, but each time the resulting mkv won't play on a Samsung TV without constant pauses. The transfer rates for a single-layer 3. Oct 14, 2021 · Then, I load the backup and create the . 1x. Ao continuar navegando, você aceita as condições de nossa Política de Privacidade Jan 2, 2025 · MakeMKV could crash during non-decrypted full disc backup; Some discs caused extensive reads and very slow operation at the start of MKV file creation; MakeMKV v1. mkv file(s) I'm interested in from the backup, taking care to correctly label things like commentary tracks, etc. mkv file is still 29. ) We would like to show you a description here but the site won’t allow us. It might look simple, but MakeMKV can handle both DVDs and Blu-ray discs with aplomb, and is packed with thoughtful touches to make your life easier when backing up your movies. Jun 2, 2017 · Step One: Rip Your Blu-Ray With MakeMKV Related: What Is an MKV File and How Do You Play Them? First, you'll need to do a basic rip of your Blu-Ray. A standard blu-ray player will skip over a failed sector and keep going the best it can. Sometimes they are quick to jump the gun when something is newly released, but it looks like only a few vendors say anything neg about the file. Samsung SH-224FB) advertised read speed (16x Ripping speed from the container should be the same has from the host itself. My setup is the pioneer plugged into a CalDigit USBC hub and then into a 2023 MacBook Air. After upgrading, I noticed that the ripping speed for a DVD begins to speed up normally to 7x for a minute or two, then begins to slow down and suddenly stop, and the cycle repeats. May 29, 2023 · for any given rip it floats around 2. In the generation of Smart tv, it is a rather than exciting tool, because for me that has a large collection of dvd's and no longer uses the dvd player, I can simply create a file in mkv, and transfer it for my external hd, or flash drive (depending on the file size of course), it is possible to create the same process in other ways, but it is We would like to show you a description here but the site won’t allow us. Remux the . MakeMKV can convert most of the audio you'll find on discs to FLAC or LPCM as it rips. 5x throughout the entire rips. I definitely had MakeMKV install OpenCandy on my machine before and i've read about it in other forums too. I am able to rip both DVDs and Blu-rays with no obvious issues but they take absurdly long to copy to a file. Try to make an full disc backup with MakeMKV without selecting "decrypt video files" and note the speed. May 24, 2021 · - If that is not normal, how do I go about increasing the read rate? Note: The DVD burner is connected to a SATA 3 port on the motherboard, and MakeMKV is writing the output file to a SATA 3 SSD. 4. 9 for Mac OS X; Requires x64 or ARM64 Mac OS X 10. 0 input to the USB 2. If you absolutely must, we've found a few safe, legal ways to do so. Jan 18, 2013 · MakeMKV reports the "read rate" at "9. Este site utiliza cookies e outras tecnologias para melhorar sua experiência. Mar 31, 2021 · When I start the process of creating the MKV i get great read rates until I hit the read buffer limit then it drops to . Discover what the Internet is saying about MakeMKV Pros Cons - See the Best Reviews from real users. Feb 27, 2018 · In MakeMKV, you need to save your mkv file with the FLAC profile (drop down menu under the "Make MKV" button, in expert mode). Does this need to be flashed? I can pull UHD content, but it's super slow, so not sure if a new image is needed or not. But with multiple drives and multiple sessions of MakeMKV running, it wasn't that bad. It's from a known good publisher with a long history. I've been looking all over the place for an answer to this. Sep 12, 2020 · I then used MakeMKV on the DVD, "The Time Traveler's Wife": my drive couldn't read past the index and refused to load the DVD. It's definitely something off with your particular disc(image). 3. Blocking OpenCandy by redirecting it to your local IP in the "hosts" file is really easy and completely safe. so, you have more playback options. Back on the process tool, right-click makemkv con64. Creating an ISO from the disc fails (used AnyDVD and DVDFab), ripping to an mp4 or mkv from DVDFab fails, and I can't get the integration with Handbrake/MakeMKV to work. ifo with MakeMKV, but exclude the audio track. I have some blu rays that I'd like to rip on my computer and have read that MakeMKV is a good way to rip them. I'm using a BH16NS40. 5x) My query is how can a piece of software as old as DVD Decrypter open this DVD fine, when the newer, more updated MakeMKV struggles? Jun 27, 2021 · I'm running the latet Windows version of MakeMKV, 1. I was wondering if I can get this any faster ? Thanks. 2018 ) Added support for AACS v66; MakeMKV now extracts closed captions and saves them as text subtitles MakeMKV can read copy-protected discs, and the resulting file is not copy-protected. Open your MakeMKV and find View. When I run it in my trusty old Samsung SE-506 (which is not set up for 4K), it reads OK but displays a 2. 5 and processing still grinds to a standstill 3/4 of the way through. Be sure to retain the chapters and subs. 4X read rate! I'd never seen anything that high. Go to preferences and set read buffer size to 2 GB. 0x)" which I assume is MBytes/sec, or ~72 Mbps plus overhead, so way below the maximum bus speed. Check out this in-depth meta MakeMKV Review ⭐ Includes current top discount - 15% off! Makemkv says the firmware is v1. It is free of malware, ads, and bundled software Oct 14, 2021 · Then, I load the backup and create the . Hello. May 16, 2021 · I have no personal experience on a M1 Mac, but you should be fine with VLC as long as you install MakeMKV, too. Oct 5, 2022 · My archgon player/recorder hit 5. Dec 5, 2000 · In terms of speed, I just copied a 45GB Blu-ray movie onto my desktop hard drive using an LG WH16NS40 drive with MakeMKV. System has a ryzen 5900x and im ripping to a sata ssd for any given rip it floats around 2. iso or . We would like to show you a description here but the site won’t allow us. MakeMKV isn't the only one who gets flagged by some so quickly. the missing information could be so minor you won't notice in normal playback. 5. . Once you have your MKV, you can shrink it, convert it, or modify it While downgrading MakeMKV to 1. exe, choose Resume And then MakeMKV should sustain a "normal" read Hi, I realize this is an old thread, but I'm having the same problem with the latest version of MakeMKV. 3. 2X speed SAFE message in the burn window. 97, but the file also contains telecine metadata that allows your video player to skip the duplicate frames. 78 m/s. Feb 2, 2025 · MakeMKV is an easy-to-use software solution that enables you to convert your own videos into a free and patents-unencumbered format that can be played on any device. I think I have about four in my entire collection. I've tried the drive with it's included cable, as well as a usb-C to micro B cable. I get about, on average, 5. It acts as a format converter or "transcoder" that converts video clips from proprietary, often encrypted, discs into MKV files without altering the original content. 20 minutes was about the average per disc. exe only, choose Resume 7. I'd just use MakeMKV to create the raw MKV files, then run Handbrake to encode them overnight or however long it took. Wait a few more seconds 8. 2 MakeMKV first switches to lowest speed when it encounters a read error, reads data at the lowest speed, and then commands the drive so spin up once it gets consistent flow of data. The drive moves from one episode to another in just a couple of seconds and continues at the same read Jun 27, 2021 · I'm running the latet Windows version of MakeMKV, 1. 06 firmware and the speed seems to be stuck between 2. Sometimes, if I cancel the rip and then re-start it, the drive will spin up, and rip at full speed. 03 / Asus 3. Progress ripping was made, just after 3 hours of it running and ripping, and only being 50% done, I quit. On the fly audio conversion. If you can't read your DVDs and Blu-rays using MakeMKV, check if your MakeMKV is the latest vesion. I am using the LG WH14NS40 drive with current firmware. Mine is named keys. 76 m/s. Oct 7, 2022 · I was using makemkv, to backup terminator (original, released a few years ago on Blu-ray). That’s better than I generally get. 7 or later. In other words, this tool is also called a transcoder that transforms the clips, even the encrypted ones from discs, into a set of video files in MKV format without any changes in quality. Then you drag the resulting mkv file into foobar2000. Interesting! Jun 26, 2017 · Note that there is currently an issue with the automatic disc ripper for people using the beta key (MakeMKV version is expired). I believe that the base frame rate of that . Feb 7, 2024 · If it is shorter than MakeMKV's minimum default value(120 seconds), you may find your MakeMKV can't read your DVD properly. 15. System has a ryzen 5900x and im ripping to a sata ssd Jun 29, 2021 · I'm running the latet Windows version of MakeMKV, 1. New version of MakeMKV extremely slow read rate Post by ZeroX » Sun Mar 01, 2020 3:10 pm I have just updated to the latest version of MakeMKV and the read rate is now extremely slow (around 0. I'm still considering buying a few external Blu-ray players to speed up the process but MakeMkv doesn't have any kind of queuing process or even a "read then rip" feature to more automate the process. I just tried that same disk on the current 1. Demux the DVD (. 2 MakeMKV has an option for drive speed control. I'm having weirdly slow speeds and I've read a ton of both the MakeMKV forums and random Google threads but haven't found my exact situation. Mar 10, 2023 · Part 1. I think the forum over at MakeMKV has quite a bit of information on if your drive is riplocked and how to rid it of that 'feature' if it even can. However, the transfer rates for the dual-layer 7 GB DVDs saw no improvement at all when comparing the transfer rate of the USB 3. 6x). I can say that copying a disc of similar size which has mult episodes of a TV series takes no longer. What Precisely is MakeMKV. Nov 2, 2012 · When I started using MakeMKV over a year ago, I too wondered why my drive would only rip at 2x. Mar 25, 2020 · When I insert a DVD in the drive, ARM starts, calls MakeMKV and it begins the process of ripping the disc. MakeMKV for Linux is available on the forum page. Interestingly, MakeMKV can remove encrypted AACS and BD+ discs to MKV format while keeping the quality of the original video and audio files. I've got a Pioneer BDR-206D on the 1. Okay so I’m currently in the process of backing up my physical library and putting them on my NAS. Hi, I realize this is an old thread, but I'm having the same problem with the latest version of MakeMKV. Some other factors: Errors on disk - Makemkv will retry bad reads. I had been using IS 1. 4 of MakeMKV can deal with AACS version 62 or older. The only question I have and I hope someone can help is the profile settings. MakeMKV, as its name suggests, is a free DVD ripper that works to convert ripped movies into MKV format. Thanks. I write to a M. Jun 10, 2024 · Start another MakeMKV window, wait for the drive to spin up, then close that new window 5. Dec 22, 2010 · MakeMKV seems to max out the read rate around 2X. Smartly, the DVD backup to MKV task can also be canceled at any time the orange pause button is clicked. Mar 17, 2025 · In contrast to MakeMKV, which is mainly limited to MKV format, UniConverter supports almost all popular formats like MKV, MOV, MP4, M4V, etc. Version 1. exe, choose Resume And then MakeMKV should sustain a "normal" read I wanted to inquire if there was a software change in the program which is impacting the "Read Rate Speed?" That is, I usually obtained 6 - 10X read speeds, yet now I am only in the 2. I'm testing on a fairly quick system (i7-950 & 6GB of RAM). Feb 17, 2021 · New version of MakeMKV extremely slow read rate Post by ZeroX » Sun Mar 01, 2020 3:10 pm I have just updated to the latest version of MakeMKV and the read rate is now extremely slow (around 0. 1BR, 1 5. Try to make an full disc backup with MakeMKV while selecting "decrypt video files" and note the speed. So the drive mechanism is the bottleneck in my case Jun 13, 2011 · www. System has a ryzen 5900x and im ripping to a sata ssd Hi, I use to have MakeMKV v1. Yes, this one-click solution helps you transcode DVDs and Blu-rays into a playlist set with MKV formats losslessly. Identified and set the 2 devices for the optical drive. That goes as fast as my storage will go, about 100x or 400 M/s read rate, often between 2 - 3 minutes for a 2 hour movie. I understand that this is movie dependent, but this is a significant difference. Any feedback? Jun 11, 2024 · I thought this may be MakeMKV slowing the drive down because of read errors, but that doesn't seem to be the case. I managed 300MB/s with MakeMKV with clean disc images no problem. I've looked into info on riplock but it seems like if the drive was riplocked it would be slow across the board or am I wrong on this. Even if it weren't, it makes for a much better workflow to rip all the discs you want to encode with MakeMKV first (which is pretty quick, usually 20-40 minutes, even for UHD blu-ray movie titles), then set those files in a work queue to I'm running the latet Windows version of MakeMKV, 1. Some disks read at near full speed and some go at 2x. Nov 26, 2008 · Starting from version 1. for any given rip it floats around 2. My panasonic blu-ray drive maxes out at 6x. dcoke22 Posts: 3517 I want to watch a Blu Ray disc on my laptop. But it's not harmful, just annoying. D » Mon Jun 13, 2011 10:37 pm. Will switching it to a mkv lose some of the AQ and PQ? My settings in Makemkv are, compress to mkv, audio passthrough, 1080p and high quality. mkv from MakeMKV 3. Computer drives have more difficulty with them than STB players do, on account of the speeds they are trying to read them at. I was just archiving my copy of Cool Runnings (great movie) when I saw my libre drive was running at 45 megabytes per second, a 10. 2. I dont rip many UHD disks. the io tab has a read retry count. 9x-1. It is a necessary step. mkv and audio with MKVToolNix. I've tried firmwares 1. Jun 27, 2021 · I'm running the latet Windows version of MakeMKV, 1. I just don't know if it's still a thing after one or two years or if they removed it. sbob dcx tjhfr kwvikib xkyv htdbz dpnxx lbpzpt fnn vij xblpz obpx szhfe mmda vmopy