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Pegasys Products BBS [ Sorted by thread creation date ]
i have a divx avi movie that i want to convert to a SVCD. the movie was too long for a 80 min CD, so i used tmpg to make the 1st half of the movie into svcd. I used VirtualDub to extract the audio into a wav file. The 1st half of the movie was all good (used tmpg to encode etc...). BUT when i tried to set the start frame of the 2nd half of the movie, the audio is completely off. Is there an easy way to get the audio back into sync???
If you used the source range then that was probably your problem cuz there have been Quite a lot of sync problem caused by it..You can try to sync the file up with the Multiplexor in "Mpeg2VCR"..It will allow you to off set the audio to sync it up...
What is up with the developer, over and over month after month this issue gets brought up and still NO fix. Give what the people demand and want. Lots of us do record Television shows and want to edit commercials out but you merge and cut also has audio sync problems. You may call it a bug on a first release, but on release after release it is no longer a bug but a deliberate lack of concern for what a lot of people want, or maybe it is a lack of kowledge on how to fix it. Either way it is not a bug it is a lack or programming skill.
Sorry i would like to enquire whether having a source file of 900MB for part 1 of a movie,if i use the program Tmpeg can it help me to shrink to VCD format that can fit into 1 650MB CD? Help! need an answer asap.Thank
Encodeing does not go by how big the source file is, it goes by how LONG the source file is, so if you want to make a VCD, then it will be about 10MB for every minute of Source file, and you can get about 740MB on a 74 minute 650MB CD-R, or 800MB on a 700MB 80 minute CD-R.......
I guess this is an AVI.
Be warned if you attempt to fit this movie on 1 cd you will be dissapointed with the reults as the movie will look like crap. VCD's are meant to be split between 2 disks. That's just the way it is and it's not worth sacrificing quality for the sake of a cheap disk.
I have TMPGENC and it was doing a good job encoding MPEG2 files created by PowerVCR. From one day the decoder was not able to open the audio track from the *.MPG (also the same file, which worked fine some days ago).
I used Demultiplex from the mpeg tools and created separate audio and video streams and encoded them, but they did not match exactly.
Does someone have an idea how to solve this problem.
Why encode the Audio at all??? It is allready in the correct format and encodeing it again will just decrease the quality and cause Sync problems..So De-Multiplex the Mpeg from PowerVCR, and just encode the Video, then after encodeing Multiplex the PowerVCR Audio with the Tmpgenc video file, that should solve the problem...
>Why encode the Audio at all??? It is allready in the correct format and encodeing it again will just decrease the quality and cause Sync problems..So De-Multiplex the Mpeg from PowerVCR, and just encode the Video, then after encodeing Multiplex the PowerVCR Audio with the Tmpgenc video file, that should solve the problem...
Sorry doesnot work at all. I have to presume, that the PowerVCR MPG file plays well in Elecard and PowerDVD, PowerVCR. Now after your hint didnot work I tried the following: I took the PowerVCR.mpg file and used demultiplex, afterwards i multiplexed again the two files generated. It finishes and an error message occured: "6408s packets cause buffer underflow. The MPEG file might cause errors when played."
Playing the file the audio and video tracks were desynchronous. The video finished a lot earlier than the audio track.
What shall I do further ???
>Sorry doesnot work at all. I have to presume, that the PowerVCR MPG file plays well in Elecard and PowerDVD, PowerVCR.
What do you mean doesn't work at all?
Minion is absolutely correct. If Power VCR is indeed creating true MPEG files then the audio should be MPEG1 layer II or to give it it's more common name MP2 audio.
Then you said...
>I took the PowerVCR.mpg file and used demultiplex, afterwards i multiplexed again the two files generated.
Which has just contradicted what you said previously. If you can re-multiplex the audio with the original MPEG video after demultiplexing then there is no reason why you shouldn't be able to multiplex the audio with new encoded video.
You have obvoiusly done something incorrectly with the multiplexing somewhere.
>It finishes and an error message occured: "6408s packets cause buffer underflow. The MPEG file might cause errors when played."
This is a regular error and not normally needed to be worried about and is quite common when using TMPG to multiplex.
Are you using the correct stream type when multiplexing or are you leaving it at the default?
6408s packets is not a whole lot anyway even though it seems it, so don't worry about this if you are using the correct stream type as the file will most probably play fine anyway.
I'm new to TMPEGEnc and was wondering what the best machine is to run TMPEGEnc on? I have an old machine so I need to upgrade. Should I get a Athlon, P4, Dual Athlon, Dual P4? I tend to prefer Athlons. Is it better to go for a 2.6Ghz Athlon or a couple of 2Ghz Athlons working together. Which solution would be faster?
One of the problems you will have with Athlons is the have a Bad tendency to Overheat while encodeing, and Tmpgenc is optimized for Pentium 3 and 4, so you will get a bit better performance useing a Intel Based Product..But if you are going Dual CPU then it probably won"t make that much of a Differance..On my 1.7GHZ Intel I encode VCD"s at real time with Tmpgenc but with CCE I encode VCD"s at 2.5-5.0 times Real time.......
I would choose P4 since Athron may have overheat problem as Minion said.
Video Encoding is most stressful work for PC including CPU, HDD, RAM and system, so I'd rather have stable system(P4) than bit faster and less stable system(Athron).
I agree Athlons are not the best choice for CPU intensive processing such as encoding. Athlons already run hot and have been shown to rocket in temperature when given something intensive to do.
Pentiums are renowned for being stable. Athlons are not and even though this will probably start a flame war it is of my opinion most of the problems posted on this BBS are from Athlon owners.
Hi people!
I created VCD files from DIVX files. The VCD files are much larger and now they don't fit on one CD.
I cannot find a way to make the output files smaller. I don't mind quality loss, it's a requirement that they fit on one CD.
What is the best option to make the output files smaller?
Thanks in advance for your reply!
Kind regards,
Eric
i believe u can't...VCD is set to a strict standard..bitrate is set, resolution is set, frame rate is set. 1 mb will always give the same playing time...this is correct right experts?
You Can lower the bitrate but you will loose a lot of quality, VCD"s are barely watchabe as they are and lowering the Bitrate will make it look horrorable...But anyway you said you didn"t care, beware your DVD player might have problems with it if it goes to low..Load the "Unlock.MFC" Template then lower the bitrate then go to "System" and set it to "Video-CD Non-Standard"...
It sounds like a problem I have with some DivX AVI files.
Do you know VirtualDub ?
Open your AVI with it.
Set Video and Audio as Direct stream copy.
Jump to the end of the movie, then go back few frames before.
Press 'End' key (on your keyboard)
Go back to the begining of the movie, press 'begin' key : you'll get a selected time.
Then 'File' and 'Save it as Avi' and type a new name (to not rewrite the source)
Now use this new avi file with TmpgEnc : that will work.
Hoping that it was your trouble.
Otherwhise you can get the program DixFix on the web (www.digital-digest.com)
I had the same problem and have found the cause.
I have the DIVx5 codecs bundle installed.
I installed the DIVx 3.11 alpha codec and after that all worked well.
Good luck
Haveing problem with video that has static overlay text. After compression the video is fine, but the overlay text comes out block, like some alias effect even though this doesn't exist at the source... I'm encodeing to VCD-Film from a 352x240 23.976fps uncompressed AVI...
Text is encoded into the avi. I just noticed however, that if I use Text with color similar to the surroundings (but not same brightness of curse!) that the block effect is much less noticable.... Is there any way to avoid this without changing the color of the text? I can change anything in the text because I'm adding it in an editing program and still have the clean source...
means exactly what it says.....input video resolution (say 352x240) must be multiples of 8 ie 352/8=44 exactly and 240/8=30 exactly..u must have an illegal resolution for your input video.....what is it? (ps resolution is the number of pixels horizontally and vertically.....ie 352 horizontal and 240 vertical..this determines the size of the picture). what file type is the input video? sounds like u'l have to resize it somehow
It's probably not the input video which is giving you this error, but your output resolution. When you load a movie source into TMPG the output resolution will be set to the same as the input unless you are using a template.
Seeing as your input resolution is not in multiples of 8 TMPG will therfore give an error warning. Simply change the output resolution under Setting>Video to something like 352x240 and everthing should work fine.
Could anyone tell me what is the difference between the VCDs that we bought from the stores and the one we burn with CD-rewriter. They seem to be having the same filing system. Is there a way we can create those "Commercial" VCD with our CD burner.
What do you mean "commercial"?
VCD is a standart, so the video structure and other files on the CD should be the same whether you burn one or buy one...
the only difference is that bought vcds are probably not cd-r. The issue with burnt ones is weather your player can read cd-r or cd-rw.Almost all dvd players can read cd-r and many can read cd-rw too.
All of the VCDs I have burned are set to NTSC standard size 352X240. However, every commercial VCD I have bought or seen has been in PAL format 352X288. I haven't burned a PAL format. Maybe the resolution is slightly better.
ok...bought cds and vcds are not burned with a laser like cd-rs...the information is stored on bought cds as pits, small indentaions on the cd surface. They are all stamped out from a master. when they are played the laser is reflected differently where the pits are as opposed to where they arn't. In this way the information is stored as 1s and 0s which is binary..thats how all computer inforamtion is stored...as base 2.Obviously to make your own cd-r u can't stamp it out cuz u don't have a factory at home.Cd-rs work a little differently. They have a laser senstive dye on them....hence thier color. When we burn a cd-r we change the color of the dye becuase the burn laser is strong and kinda burns the dye,The idea is to simulate the pits of normal cds because a read laser will be reflected differently where the dye has been burned. However its not quite the same and old players may not be able to read them..most new players can read cd-r. (unlucky u!).Cd-r is the only way u can make your own cds or vcds at home. What actually makes a vcd is not the media type they are on but the files and folders that are put on the cd. U MUST burn a cd-r as a vcd disk in your burning sofware if u want it to play in your dvd or vcd player.There are a special set of folders that must be present. In one of those folders is the movie file called something.dat. What ever its name it has .dat on the end. In windows explorer u can right click that file with shift held down and choose 'open with..' and choose windows media player to open it.Look under properties in wmp 6.4 to check if it is PAL. PAL has resolution of 352x288 with a frame rate of 25 fps and bit rate of 1.15 Mbps.
ok having said that u need a new dvd player if u r sure it can't read cd-r
If u get a new one make sure it can read cd-rw too and mp3! Cd-rw is different again!
Thanks a lot, Luppy! This is the information I have been looking for a long time. Really, thanks for clarifing my issue. Is audio Cd the same, I can burn Audio CD and play it in a regular stereo.
Before you go rushing out and buy a new DVD player. I mostly agree with what Lupy has said, but I will make an addition or correction if you like.
It is not the actual pits that are the problem, but more to do with the wavelength and intensity of light reflectd.
The wavelength of light from a CDR is different to that of CD and less intense therefore a mutiread or dual laser pickup is required by your DVD player. If it does not have this then it is most likely your machine will not play CDR.
However all is not lost as CDRW differs yet again. The wavelength of light reflected fron a CDRW is close to that of an original DVD, but less intense.
If your laser is sensitive enough to read this light then it may play the disk.
Even then certain brands will work and certain others won't, you may even find a CDR brand which will work.
Go to VCDhelp.com and look at the DVD player list. You will find a list of brands that do and some that don't work with certain players. Yours maybe listed.
It seems that for an HDTV compliant stream, I need to use MP@HL settings.
However, my file is 1920x1080. It is 16:9. Is it correct to set the settings as 16:9 display, and source at 16:9, or should it be set to VGA 1:1 (either on source or display)? I want the output file to still be 1920x1080
The aspect Ratio will not Change the Resolution,but if it is a 16:9 file then set it to 16:9, in the "Plus" version you can set the profile to MP@HL....
If this movie is to be played on an ordinary 4:3 TV then set the input to 16:9 and the output to 4:3
To set the profile to MP@HL you need to encode to MPEG2. The profile can be changed by selecting the Video tab under settings.
>If this movie is to be played on an ordinary 4:3 TV then set the input to 16:9 and the output to 4:3
>To set the profile to MP@HL you need to encode to MPEG2. The profile can be changed by selecting the Video tab under settings.
>
>ASHY
Under my "Profile & Level" selections, I don't get a MP@HL option.
(only MP@LL and MP@ML) I am running Version 2.58.44.152, Core version
1.90.140. Is there some plugin or something I'm missing?