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Pegasys Products BBS [ Sorted by thread creation date ]
I encode two avi files into two mpg files (in PAL), they are no problem. Then I goto File->MPEG Tools->Merge&Cut, choose "MPEG-1 Video-CD" and import the two mpg files for joining.
After the porcess, I playback the product and find that there is a beep sound at the connect part of the two files. I try serveal times but the result is same.
Do anyone know the reason and the solution? Thank you.
There is a button on the screenw heer you join the mpeg files that is called 'Correct' or somethign like that. Click on it and you will be prompted if you want to correct the audio when joining the files.
This problem seems to happen when you are joining 2 files and that at the joining point of the 2 files they were edited part way through a GOP.Mpeg files are supposed to be edited on an I frame and when you join two files that are part way through a GOP at the joining point you get that "Beep" sound ,so to fix this problem (if the correct button doesn"t work) is to edit a few frames off the end of the first file and edit a few frames off the beginning of the second file then join them, and to be sure you don"t edit in the middle of a GOP when you are trimming a few frames off is not to use the "frame by frame" buttons, the slider naturally stops the movie at the beginning or end of a gop.The correct button is supposed to fix this by finding the closest I frame at the end of the first and the beginning of the second file and it usually works but if it doesn"t you can try this fix........
I process an AVI file into an MPEG-2 for DVD file and it looks very
good, except that when there is rapid motion the picture seems
to break up into blocks (unable to follow the motion). When the motion
ceases, the picture sharpens right up. I understand that this
probably is a "feature" of MPEG-2, but is there any way I can reduce
this characteristic as it can be quite annoying. The compression
I'm seeing is very good, the order of 40 times smaller than the original
uncompressed avi file, but I'm willing to sacrifice a little compression
if I can remove this "blocking" of the picture.
Those artifacts can usually be removed by useing a higher bitrate or uping the quality on the "Motion Precition Search",Useing the High Quality setting should clean up the macro blocks but useing a bitrate that is to low will give you this effect also...
After I encode a avi2mpg, The color is messed up in the process. I have like a purple haze that fades in and out through out playback. Is it something in the color settings before encoding that I can do to prevent this??
This is usually caused by haveing the "Angel Potion Codec" installed on your system.So what you should do is delete the codec and re-encode the file to mpeg then it should work properly,This is a well known"n problem with the Angel Potion Codec....
HI ; i tried to encode mpeg1 file with lower bit rate to fit two vcd's into one. And I SUCCEEDED IN DOING SO AT THE BIT RATE OF 576 KB/S . BUT WHEN I PLAY IT ON MY VCD PLAYER ( STANDALONE ) IT FLICKERS AND STICKS AFTER AROUND EVERY 30 SEC. WITH AUDIO GETTING SUPPRESSED A LITTLE.
IF ANYBODY KNOWS THE SOLUTION PLS. MAIL ME .. I WOULD BE VERY GREATFUL..
The only solution is to either raise the bitrate or buy a different dvd player but I don"t think there many any that will play vcd"s very well with bitrates that low, .The only other thing that you might try is the KVCD templates at www.kvcd.com they have a template that allows you to get 120 minutes of video on a cd-r, I think the quality isn"t very good with those templates but that doesn"t seem to be a concern with you, at least the quality will be probably be better that the one you have and it might play properly.Most poeple put vcd"s on at least 2 cd-r"s for a full movie, i use higher bitrates so I usually try to squeeze them on 3 cd-r"s.....
I'm trying to convert a 720x480 DV file to 320x240 MPG1 so I can use it in my PocketPC. I'm using a 2-pass VBR so it's nice and compressed to a max bit rate of 500kbs. But the MPG audio is delayed as much a 2 seconds after the video plays, rendering it pretty much unusable. I did a search on the BBS but didn't find this problem. Any clues? Thanks.
IF the audio and video are the same amount out of sync the whole way through the file you can fix it by de-multiplexing it the multiplexing it back together with a program like "mpeg2vcr" or "bbmpeg" cuz they have a setting were you can adjust the audio and video delay..but it takes a little trial and error to get it right...
Why is the audio & video getting out of sync to begin with? Is an out-of-synch condition normal to to be expected? I've converted to many different compression types over the years and this is the first time I've seen this problem.
I've maintained the same number of frames per second on the source and target, thinking that might contribute to the problem, but to no avail.
I've noticed that a "standard" solution is to de-MPX the AV and add or delete time to the audio and then re-MPX through trial and error. Seems kinda hokey to me.
I have noticed with Captured files that sometimes when you are captureing that the audio will start recording a bit before or after the video starts recording, and it will play in sync as an avi cuz the audio and video are interleaved but when tmpgenc encodes it seems that it grabs each stream and seperates them to encode them them muxeses them in the mpeg with out takeing in to account the delay at the begining,It seams like a reasonable explanation but if that is what is happening I don"t know..
I'd say that was a pretty good explanation minion,sounds quite plausable to me as most encoders have to parse the streams to re-encode the file. This is what usually happens with downloaded AVI's. The creators sometimes add a delay with Virtualdub or something to the audio, but when you re-encode this file it seems that the delay is totally ignored by TMPG thus re-introducing the de-sync.
DownbeatDave, aS for the standard way to correct it as you say is to de-Multiplex the A/V and add or delete time to the audio. This is a difficult way to do it the best and easiest way, as minion said, is with MPEG2VCR or BBMPEG which both have a feature which allows a delay/reduction to be introduced to audio to re-sync the movie.
Adding a delay in bbmpeg will correct the problem, but I've found that some authoring programs (for DVD) de-multipledx, process and re-multiples the files, placing the sound header exactly where it was before you went to all the trouble of adding the timeshift. If you use DVD2AVI to frameserve, it will conveniently give the delay in milliseconds that the audio is out os sync. If you use BeSplit, with the delay that DVD2AVI gave you as the split point this will always work.
Of course, compensating for dropped frames, leading to gradual de-sync is another problem...
HI...I get this message when I try to open an AVI-file "can not open, or unsupported". I have done a lot of other AVI.files but have never seen this problem.
Anyone who knows whats wrong?
I just have it pasted to my clip board now,Ha Ha ,You can get as anoyed as possible but it still doesn"t make poeple USE THE SEARCH FUNCTION TO FIND ANSWERS, but maybe one day...
Sry. guys I see this is a common problem so I could have search. First time I use this board and havent really noticed the function! I will use that in the future. By the way it worked (surprice).....thx.
I have not had much luck with this error by trying to raise the priority. I use multiple machines and it seems that I have to use TMPGEnc on the same machine that I used DVD2AVI on. So for example, I use box A to create the d2v and the audio file, then I cannot use TMPGEnc on box B to encode.
Do you just copy the d2v and audio file to the second machine? If so you will get the error since the d2v just points TMPGenc in the direction of the origional mpeg, which is sitting on you first machine. Even if you copy all the files, you've got to keep the directory structure the same on both machines, or the d2v will lose the origional mpeg and you'll get that error message.
Griff is right. Once the d2v file is created you CANNOT move or delete the Vobs or the d2v file or rename any of the files or folders in it's path. In fact just don't change anything at all.
Also you would have to have the DVD2AVI VFAPI plugin installed on the second machine for it to work in the first place.
I have downloaded quite a few AVI's from the net, I usually use Virtual Dub to pull the audio out as full stream no compression. Then when I use TMPGEnc 2.56 to encode to mpeg usually the first 20 minutes are fine but towards the end of the movie the audio is out of sync sometimes just a bit and others more. I've ready many messeges here about audio sync and they seem to be confusing.
Someone said that these are such big files that as they are downloaded thru the net they become corrupt ... um no I don't buy that for an instant, because first of all HTTP and FTP do have protocol checksums and regardless I've attempted to download the same file many times and then when I compare the files they are identical.
I am begginning to believe that the people that have created the AVI's have done something wrong.
Oh yes one big point ... these are the AVI's that are the problem ... right from the beginning before I attempt any encoding ... I check the avi audio sync so not to waste time ...
I have captured a 45min SvhS tape to a 18GB avi.
Sound is in Sync. After i encode it to mpg2 sound at the beginning is in sync
The more i get towards the end of the encoded movie the sound becomes more out of sync.
There was no frame-loss when capturing.
I don't know what to do with it.
I am trying to encode an avi movie to mpg and it gives me this error (Error -537403781 1032192) after a few seconds of encoding and the encoding pauses. When i press Ok the encoding begins and then again after a few secongs it gives the error again. Do u have any solutions or suggestions. Please reply! it is important
I have one question....I was wondering how I would go about taking advantage of both my processors to encode...Right now I'm just encoding in Tmpg as I normally would....Are there any special settings I can set to make it encode faster?...
I'm running Dual AMD MP 1800's with 2 gigs of pc2100 ddr ram on windows 2000 professional....
To enable multi-processor support go to "options" to "enviromental settings" to "CPU" and tick the box next to "multi-threading" this will alow for useing both of your cpu"s......
It seems 2.57+ is buggy with his "Improved bitrate allocation of 2-passVBR ".
Encoding a 22'09 movie at 2000Kbits/video and 224kb/audio give me a 360Mo file with version 2.54 (correspond to the bitrate) and a 410Mo file with v2.57.
What do you mean real time? TMPG multiplexes/de-multiplexes faster that real time.
Also I don't think it can handle transport streams. You would need something like MPEG2VCR for this.
Do you mean de-multiplexing or transcoding. To de-multiplex is to seperate sound and picture streams. To transcode is to convert from one video format (type) to another format (type), or to downsample (or upsample) from the same type. If you're tanscoding, in the case of mpeg2's, it can't be done in real time, unless you own a powerful dual processor machine, and even then it's unlikely.
Griff it is possible to transcode to MPEG2 at a rate faster than realtime using my 1.7ghz p4 and 256 RAM, so nothing special there.
I regularly encode to MPEG2 at 1.5x real time using DVD2AVI>AVIsynth>CCE.
CCE is much faster than TMPG and the MPEG2 output quality is unmatched by any software encoder and beats TMPG hands down.
I thought we were discussing TMPGEnc's encoding speed, not CCE.
I've been following the interest in CCE for some time. It seemed to gain prominence around last Christmas. I was thinking of giving CCE at try, 'till I baught a piece of hardware which stopped me in my tracks. More on that later.
The thing that gets me is that many of the people who make comparisons between TMPGEnc and CCE, don't even have a DVD burner, so they never get to see what both packages can really do; and those that do have a burner then watch the DVDs on a playstation or similar.
Also,simply looking at a DVD on as computer monitor will only give some idea of what the final movie will look like on tv, but may also be misleading, since there are differences in brightness, contrast, and black level between the two.
I recently got hold of the Win Nova-t digital terrestial tv card. The mpeg2 files that this produces are breathtaking in their quality (given the right source) and I was determined to keep as much of this quality as possible, when transcoding to DVD compliant mpeg2. What I was totally unprepaired for, was the image quality I got when playing these off-air recording on my hardware player. The image quality is absolutely stunning; and I don't say this lightly. I'm a total perfectionist when it comes to video, (and audio) playback. I have a high-end DVD player (Pioneer DV717), a state-of-the-art flatscreen tv, and access to an Eizo video projector.
Some of the recordings I'm transfering to DVD are superior to many off-the-shelf titles (although I've read that some of the movie companies are releasing special editions of their movies with no extras and higher bitrates).
As for CCE, how do you better perfection?
However, you don't have to take my word for it. If you give a postal address I'm willing to send you a copy of a recent concert - if you pay for postage and the DVD, about GBP2.00 - recorded from Channel 4.
I was told that, with this program, I could convert downloaded .avi files of movies to a format that I could use to burn onto CD-Rs using my Nero software. I loaded the 2.57 program and used the Load Video CD (NTSC).mcf to set up a template. When I click Browse next to the Video Source window and then go to the location where I have a couple of movies I got from Kazaa, I click on one. I get a message that gives the files name and also says, "can not open, or unsupported". What does this mean and what do I do?