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Saturday, March 27. 2010Doc's Computin' Tips: The Amazing AVS Video Converter
I was impressed with a video program. And, let me assure you, for me to be impressed with a video program takes a lot. I have in my tool bag all of the latest, hottest goodies, and I know all the video tricks. Hell, I invented half the tricks. I've been a leader in the field of digital video for a decade. Nevertheless, I'm impressed with AVS Video Converter. And the $59 they're asking is fairly cheap for a quality conversion program. To keep it in perspective, Adobe Premiere lists for $799. The whys and wherefores will only be of interest to us videophiles (budding and otherwise), so I'll lay it all out below the fold. This is truly a remarkable program in at least three ways.
This is, alas, a PC-only program. For Macs, a commenter suggested this little gem. To start at the beginning, MKV is a very popular format when it comes to posting high-quality TV episodes. It allows for subtitles and alternate language tracks, something you don't get with standard AVI and MPEG videos. The weekly 'NCIS' and 'House MD' episodes I download are all in MKV format. I eventually shuffle these to DVD, three episodes per disc, which takes about two hours of processing per episode and involves seven tools. VOB files are what you end up with when you rip a DVD to the hard drive, like should you want to clip out a favorite movie scene for your personal collection, or put something online. They take the same amount of time and number of tools as MKV files if you want to retain the high quality. The problem is that none of the big video programs will import MKV and VOB files. MKV, because it's a 'renegade' format (like OGM), and VOBs because they're 'raw' video files without any subcoding and aren't viewed as a regular video format. As such, we have to jump through all kinds of hoops just to get the MKV and VOB files into a standard format like AVI so that they, in turn, can be loaded into some specialized program like Adobe Flash to make streaming online FLV files, or a DVD authoring program like Sony's DVD Architect. So it's a major time-consuming pain overridden by the ever-present threat of the audio/video going out of sync because the two tracks have been split apart. And there are two secondary problems: 1. Every time you render a video, you lose a little something in quality. So having to render twice, first into AVI and then into FLV or DVD (MPEG-2), is something we'd ultimately like to avoid, but haven't been able to. Until now. 2. It takes over an hour to render a 43-minute (length of a TV show) MKV or VOB to AVI, then another hour in the DVD-maker or another two hours in the ultra-slow Adobe Flash for FLV files. Plus, there's five minutes here and ten minutes there for the demuxing, frameserving, transcoding, and whatever other small, in-between processes are required. The amazing AVS Video Encoder will knock the whole project out in about 50 minutes. The home site is here. There's a trial demo if you want to test it out. It'll put a big watermark in the middle of your test, but it'll be enough to tell if it works or not. Setup Fire up AVS. Click on 'Settings'. Set the 'Thread Priority' to 'Below Normal'. Like most video rendering programs, this thing sucks up some real CPU power and will make other programs feel sluggish unless the priority is lowered. (they'll still feel a bit sluggish, just not as much) Converting To AVI While AVI is the generic format, raw AVI video is way too huge to deal with, so we need to use a compression tool. We'll use one of the best and most popular, DivX. The newer versions of DivX are now commercialware, so we'll use an older, free version. Download it here. It's just a Next-Next-Next install. You can delete the entry it makes in the Start Menu. Fire up AVS. Browse to the file to be converted. Change the output file name and/or folder if you want. We're first going to set up a 'profile' of settings which we can use again in the future. In the 'Profile' box, skip all the way down to the last entry, 'Video, Uncompressed'. Click 'Edit Profile' over to the right. In the 'Video Codec' box, find the entry for 'DivX'. Click 'Advanced' next to it. Over to the left is a big slider that goes from 0 to 6,000. If this is the final product, set it to 1,000 if the quality of the original isn't very good, 2,000 if it is. If the video is going to be imported into another program, crank it all the way up. OK to get back to AVS. Over to the right are the audio settings. If this is your final product, set the top box to 'MP3' and the 'Bitrate' box to '160'. If the file is going to be imported into another program, don't touch a thing. As far as the 'Frame Size' goes, this depends on what you're doing with the file. Normally, you wouldn't touch it, but if you're dealing with hi-def stuff with a huge resolution, you'll want to pare it down for computer or web use. The standard for web vids is 640-wide for the good stuff. Any wider than that and they may not stream properly. If you don't know how to adjust the resolution and maintain the aspect ratio, see the Appendix. Click on 'Save as Profile', enter a name. OK back to the main program. Click on 'Convert Now' to begin the process. Note: If you're dumping the rendered file into another program, want to maintain the highest quality and you have gobs of spare hard drive space, use 'Uncompressed' instead of 'DivX'. Plan on it gobbling up about 2 gigs per minute of show time. Converting To FLV Note: If you want true high-quality FLV renders, see the note on Adobe Flash in the Appendix. AVS is "okay", but Flash is (unfortunately) the only way to go if you want the best results. Fire up AVS. Click on 'To FLV' at the top. Browse to the file to be converted. Change the output file name and/or folder if you want. We're first going to set up a 'profile' of settings which we can use again in the future. By default, the 'Profile' box should be set to 'FLV - High Quality'. Click 'Edit Profile' over to the right. If the quality of the original video isn't very good, leave the 'Bitrate' at 1,200. If it's a high-quality vid, raise it to 2,500. Over to the right are the audio settings. Set the top box to 'MP3' and the 'Bitrate' box to '160'. As far as the 'Frame Size' goes, it depends on the resolution of the source file. If it's a small web vid, like a standard 320 x 240, don't touch a thing. If you just want it to display larger on the web page, use the adjustments in the page's player code. It's better to do that than lose the quality in a render. If it's larger than 640-wide, you'll need to squeeze it down. If you don't know how to adjust the resolution and maintain the aspect ratio, see the Appendix. Click on 'Save as Profile', enter a name. OK back to the main program. Click on 'Convert Now' to begin the process. The 'Edit' Panel This puppy can do a lot more than just convert formats. In the 'Edit' area you can crop out parts of the clip, make color and brightness adjustments, and put cute 'transitions' between clips. Some quick notes: — To darken or brighten a clip, grab the 'Brightness' icon and d-r-a-g it down to one of the 'Video Effects' timelines and drop it in. You move the general placement of the effect by grabbing it with the mouse, and you adjust the duration by grabbing the ends. Double-click on it to open the edit panel and play with the slider. You can test it over to the right. If the brightness doesn't seem to correct the problem, try the 'Contrast' icon. You can actually drag it to the second 'Video Effects' timeline and use them both. Also try the 'Gamma' icon. If the clip's a little blurry, try the 'Sharpen' effect. There are lots of interesting ones to check out. — To insert a transition between clips, grab the icon and drag it down to the 'Effects' bar. Grab the right side and squeeze it down until it's about 2 seconds long. Slide it between the two clips. Click on the top of the timeline just before it starts, then hit the 'Play' button in the player to test it out. If you're dealing with long clips, click on the 'magnify' button on the far left until the timeline numbers are about a second apart. — To crop out a piece, use the 'Trim Start' and 'Trim End' buttons to mark off the parts you don't want. What's left is what will be rendered. Use the main slide gadget in the player to get near, then the left and right arrow keys to zero in on the exact frame. — By clicking on the 'Audio Effects' tab, you can raise or lower the volume, fade it in or out, and some other tricks. — If you want to save the audio track by itself or break a clip down into pictures, use the buttons on the lower-left. Getting Vids DVD-Ready First off, Sony's DVD Architect is my personal DVD authoring program of choice. It's been discontinued and, at $39, is a real steal. Highly recommended. DVD-makers will import all of the standard formats, but probably not MKV, FLV, SWF, OGM, and a few others. For those, we use AVS to get them DVD-compliant so the menuing program won't take any longer than necessary. And the rendering algorithms used by dedicated conversion programs like AVS are almost always better than some do-all, end-all, DVD authoring program, so we'd just as soon use it for the rendering, regardless. Load the file. Click on 'To MPEG' at the top. The proper preset will already be in place. Hit 'Convert' and that does it. That'll save the video part of the file with complete DVD compliancy so the DVD-making program won't have to do anything except convert the audio track. Note 1: If the aspect ratio of the rendered video looks fine, but it's too tall when it comes out of the DVD-making program (the black borders at the top and bottom are narrower than they should be), go into 'Advanced', select 'Custom' and try lowering the second number until it looks right in the preview box and make another test. You might actually have to lower it in the preview box past the correct point in order for the aspect ratio to be correct in the final DVD. Note 2: DVD-compliant MPEG-2 videos sometimes play a little sluggishly on the computer, but will look fine after the DVD authoring program gets finished with them. Note 3: Another terrific feature AVS offers is the ability — with a little outside help — to put four 1-hour TV episodes on a disc, rather than the three that our usual routine gives us. See the Appendix for details. Batch Encoding If you want to join files, just load them up and hit the 'Convert' button. If you want to do individual jobs, click on the 'Advanced' button and select 'Split', 'Batch Mode'. You'll notice that it doesn't let you put in a file name for each converted file, it just renames them with the new file extension. It prefers an empty folder so there's no confusion when it comes to overwriting existing files, but it's not necessary. If you're batch encoding VOB files, each one will (most likely) need to have its aspect ratio settings taken care of individually. VOB Files Because of their lack of internal coding, VOBs — in the few programs that will import them — are notorious for both going out of sync and having problems with the aspect ratio. That's why most programs don't load them directly. As far as sync problems go, my one FLV conversion had a very slight a/v sync problem, but the AVI and MPEG renders were fine. As for the aspect ratio, it will almost always need adjusting. Open 'Advanced', click 'Custom', play around with the second number. Ideally, you want the edges to just touch the frame, but if you can get them close and even, you can use the slide gadget down below to squeeze them out to the frame. One thing an experienced videophile never does is actually believe a program's load requester when it comes to what formats it says it will load. AVS does NOT list VOB files, but the intrepid Doc Murky persevered and demanded it load the damn thing — and load it, it did. It then spun out a bee-yootiful AVI, even though — in theory — it wasn't supposed to. Converting an MKV is special enough, but converting a VOB — and retaining the audio/video sync and aspect ratio — puts it in a league of its own. Especially when it acts like it can't do the dang process in the first place. Bad Aspect Ratio If it's some web video, there's a chance the aspect ratio will be off. Meaning, people and things will either look too tall and skinny or too short and fat. To correct the problem, open 'Advanced'. Use the slide gadget to find a spot in the vid of someone standing about ten feet away from the camera so you can get a feel for when they look normal. The best thing would be to find something circular, like a wall clock. If it's a commercial clip, there might be something circular in the opening or closing logo. Click on 'Custom'. Play with the second number until things look right. In my limited tests, the ones that were off (like VOBs) ended up with a 2:1 ratio. To fine-tune it, make the two boxes '20' and '10', then change the '10' to '9' or '11'. If you've introduced some black border area into the vid, you can eliminate it with the slider down below. Summation What makes AVS special is its ability to correctly render wayward formats such as MKV and VOB. If you're wondering, here's my standard process to convert a high-def MKV download to DVD disc: — MKV Extract to extract the H264 video track and AC3 audio track As I said, seven programs. Now it takes two steps; converting to DVD-compliant MPEG-2 with AVS, then quickly compiling the DVD. No audio/video sync problems, and a number of processing hours saved. Any questions, give a holler in the comments. APPENDIX Adobe Flash From what I can tell, there are two FLV codecs in use; one that all of the second-party programs use, and one that the home company, Adobe, is hogging all to itself. All of the FLV rendering programs I've tried have looked about the same, and all of them failed to compare to Adobe Flash. There's a tiny jerkiness in the second-party renders that's missing in the Flash productions, which play smooth as silk. Quickie Instructions This is a large, complicated program designed to make elaborate Flash presentations, but for a quick conversion, here's the routine: — File Menu, Import, Import to Stage, load file To minimize the program while it's working, open Task Manager, 'Applications' panel, right-click on the program's name and 'Minimize'. Four Episodes Per DVD Using the default 'To MPEG' profile, three episodes takes up about 3.8 gigs, with 4.36 being the max. Four episodes would be about 4.9 gigs. So, most people burn three episodes to a disc. We, however, will use a compression program called DVD Shrink to squeeze that 4.9 gigs down to a burnable 4.36 and put four episodes on a disc. We're just that cool. The program's now commercialware, but you can download the old freeware version here. Here's the routine: — First, make the DVD files. In theory, the authoring program should be squawking at you that the project is too large to fit on a disc. — Run DVD Shrink. Click on 'Open Files', select the folder with the too-big DVD files. A preview panel will flash through the vid. — Over to the right, uncheck any audio tracks or subtitles you don't want. — Click 'Backup'. If you have Nero installed and want to burn the disc directly, click on the 'Burn Settings' tab, put in the disc name and let 'er go. If you don't have Nero installed, you'll process the files for later burning, so select a target folder, presumably "VIDEO_TS" to follow DVD standards. Changing The Resolution Changing the resolution of a video while maintaining the aspect ratio is done with a simple algebraic formula: A C (width) Cross-multiply the two numbers you do have and divide by the other. If the source file has a resolution of 720 x 480 and you want it to be 640-wide, that would be: 720 640 480 x 640 = 307,200, divided by 720 = 426 for the height. In this case, you'd put '640' and '426' in the 'Width' and 'Height' boxes. The numbers are actually supposed to be a multiple of 8 to be video-compliant, so the program will make any small adjustments to the 'Height' number, in this case changing the '426' to '424'. Note: Video is a funny thing and has both 'interior' and 'exterior' dimensions. When dealing with a 720 x 480 DVD source file, you'll probably find 400 to be the correct height, rather than 426.
Posted by Dr. Mercury
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If all you're looking to do is create a DVD with a menu for handling multiple episodes, my I recommend DVD Flick http://www.dvdflick.net/. It's free, and it will convert your video to the proper format, author the dvd, and burn the DVD. It will accept mkv files and the H.264 codec (which is what most downloaded TV shows are encoded in). A full list of supported codecs and containers is available on the web address listed above.
If you'd like to do more advanced processing on the video or you want to convert the video file for a different medium (Zune, iPod, etc), I'd recommend Avidemux http://avidemux.berlios.de/index.html or Handbrake http://handbrake.fr/. They're both free and they have presets for the common video players. Ogie - Thanks for the info. My first question is, does it import VOB files? I only deal with MKVs twice a week, but I deal with VOBs all the time, because I'm always grabbing some snippet for my personal clips or online collection. It's AVS's ability to import and (correctly) render VOBs that puts it in a class above. I note Flick doesn't list 'VOB' on the site, but, by the same token, AVS doesn't list them in their load requester, either, and I wouldn't have known it did them if I hadn't done an "all filetypes" and demanded it at least give it a try. And, amazingly, it worked fine.
The second question is about its templates. I've looked at a fair amount of free or cheapie DVD authoring programs, but their templates -- if they exist at all -- are usually pretty lame. Some of the ones in DVD Architect are downright 'stunning'. I didn't see any examples on the site, so it's probably a case of "you get what you pay for". I've found that if you really want a professional-looking product, you usually have to spend a few bucks. Back to VOBs, I note that neither AviDemux or Handbrake import them. As I said, it takes a lot to impress me, but when AVS knocked out that first perfect AVI from a VOB, I knew we had something special going on. Doc - as to "how" AVS Converter is "crippled" for the trial download, it puts a giant watermark right in the middle of the converted video. Not some tiny logo over in a corner. No -- a gian't, opaque, annoying watermark RIGHT IN THE MIDDLE of your converted video.
If it were small and discrete, people would just go ahead and use the program, since we're used to small logos in the corner of the screen at this point. A simple time limit would have been nice, but maybe that's too easy to crack? Anyway, the page has been updated, and thanks for the mention.
Dr. Mercury,
This is response to your information regarding AVS Converter software 6.4. I followed your instructions on converting avi files to DVD format, except that I cannot get into the "edit profile" tab. Could you please advise on how to do that. My problem is when I download a movie in avi format I can see the subtitles, but when I go to convert it to DVD format, I lose all the subtitles. Please help! Hi guys!
My pleasure to give you my suggestions. According to my own experience using video Converters, I am convinced that there is videos sofware called Pavtube video converter powerful in converting video. I used it and found it supports plenty of video and audio formats such as MP4, 3GP, 3G2, AVI, MPG. MOV, AVI, FLV, MKV etc. Comparing with other converters, I prefer Pavtube one because of its fast conversion speed and its pretty good output video and audio whcih satisfy me.It is said that this software applies unique audio and video sync technology which can guarantee the audio and video match. I hope it will be of great help for you:) http://www.pavtube.com/video-converter-mac Have a good day! Looks like a pretty good converter, Mark, and thanks for the tip. I like the way they focus on A/V sync problems, that being one of the real bitches of the craft. Also offering cut & trim capabilities shows they're not just slapping out another video converter. And the $35 is certainly reasonable.
I've updated the post to suggest it for the Mac users, and thanks again for the suggestion. Gorbs -
"except that I cannot get into the "edit profile" tab." Er, that's odd. Is the 'Edit Profile' button ghosted out? Have you got the program set to "To MPEG"? Does the drop-down 'Profile' menu work, the one with the presets? My only guess is that the source file's corrupt and the program's not recognizing it as an 'official' format, so it's not giving you any 'official' options. Does 'Edit Profile' work with other files from different sources? I know it sounds lame, but you might try an uninstall/reinstall, and if you're using Vista or Win7, right-click on the Setup icon and "Run as Administrator". "My problem is when I download a movie in avi format I can see the subtitles, but when I go to convert it to DVD format, I lose all the subtitles." The second the word "subtitles" is used, all the rules change. If you're not seeing the subs in the conversion, then that means they're not permanently embedded in the video and you've got a separate file that -- if it's got the same name as the movie -- is being loaded automatically in the player along with the movie. AVI files can't embed subs like MPEGs can. That's why the 'container' formats like OGM and MKV were invented, so AVIs could incorporate subs and alternate audio tracks. To incorporate subs into a DVD takes a special program of one kind or another. The freebie method is to use a program like IFOEdit, with the hitch being that it's real particular about the video, audio and subs formats it accepts. I'd use the great Sony DVD construction studio, DVD Architect, which is much more tolerant. Still, though, as finicky as video, itself, is, subtitles are even worse. There are zillions of formats, with some being text and some being binary, and there's even a format composed of tons of small BMP pictures, one for each letter. There are converters around, but most are pretty hokey. And along with font style, color, placement, and all the rest, there's often a big problem with the timing when going from the present subs format to a format the DVD creation program accepts. That, too, can be dealt with, but it adds to the layer of complexity. While it's kind of "throwing you into the deep end", here's my video how-to site, which'll have all the answers (and programs in many cases), but it's pretty thick going if you're somewhat new to the field. It's my favorite computer area, though, and I love talking about it, so don't hesitate to mosey back here with any specific questions. There are guides for both IFOEdit and DVD Architect on the site, and there are other alternatives when dealing with subs. Doc,
How do I move a DVD instructional video, which I own, to my new iPad? This is as difficult as moving iTunes to a drive other than the one it's been installed on! Thanks, Steve You'd first need to get it converted from DVD format (VOB files) to a normal computer format, like AVI. I'd use a commercial program, but I think there's a freebie around with the name 'DVD2AVI' that'll do the trick. Once it's in AVI format, it would be a matter of using a program like AVS to convert it to whatever peculiar format the iPad wants. There are probably lots of guides around. Do a search for something like "convert dvd to ipad" and see what pops up.
Right. I tried every program you mentioned without success. Then I tried 1Click DVD Converter http://www.lgsoftwareinnovations.com/1clickdvdconverter.asp which gave me an easy way to make an MP4 that iTunes, the new iPad, iPod, iPhone and my Win 7 64-bit PC would like.
Next problem is to find a way to get some video controls on the iPad, where I could advance to a chapter, or do a repeat loop on a short segment in instructional videos. If you can help me solve that one, I'll buy you a beverage of your choice next time I'm in Flo-duh. Thanks, Steve |
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