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Pegasys Products BBS [ Sorted by thread creation date ]
ok...bare w/me.
Here's the scenario:
I have an avi (23.976 fps) which I need to convert to VCD compliant (29.97 fps). This is what I have done:
#1- decompress source file with "avi audio decompressor"
#2- extract audio with "VirtuaDub"
#3- encode with tmpgenc 2.5 to mpeg2 with 3:2 pulldown
:unlock ntsc film (under "video", encode mode: 3-2 pulldown when playback & framerate, 23.976 fps(internally 29.97fps)
#4- I then take the mpeg2 and de-mux it.
#5- I then go to encode the vid file to Mpeg1 and the video gets blocks in it, now it doesn't have blocks until I get to this point....what is the problem OR what am I doing wrong?
#6- (If this succeded...I would have muxed the audio back into the video file.
-after I wrote the last message I decided to make an svcd out of it and try it that way....well, it worked great except for the fact that the audio is a pubic hair off...barely, but it is noticable.
The Standard VCD Bitrate is Just to low to Get the best Possible Quality but raiseing it to over 1500KBS usually gets rid of most of the blocks but 2000 is better depending on the source file...
i have just downloaded tmpg enc.i have loads of avi files i would like turned into mpg.can anyone help,it keeps telling me my files cannot be found or are not supported.
I don"t really understand what your problem is...it is just as easy to make a template with VBR or any setting for that matter...you just load the "Unlock.mcf" template then change all the settings to what you want then click "Save" then give your template a name and save it in the templates folder ..and when you want to use it you just open up Tmpgenc and load in your file(no wizard it"s for Newbies) click load and choose your template and that is IT....
If you know were to look everything is free...a cheap and easy one to use is Mpeg2VCR but it has a habbit of makeing edited files with a lot of extra padding, and m2-edit pro 5 is a good one that I use but it is hard to find and it costs $1500...try going to here: h**p://www.apachez.net/ .....
it sometimes happends when u post a msg and then press refresh ....as u do.. to see if its been answered...for some reason it reposts posts...(a bug in the code of this page?)...if u have posted then close your browser and load up this site again.
Keep a copy of 2.56 around. It lets you read mpeg with any Directshow codec. The Ulead codec, for example, is compatible and handles 4:2:2P formats properly. Ligos screws up 4:2:2 (I don't have Sony or Cyberlink to try out).
graphedit can tell you exactly what codec Directshow has selected. Program installations can change codec priorities and uninstall rarely corrects it. This type of uncertainty is part of why TMPG went to the 2.57 scheme (which reduces flexibility for advanced users). Here are example .bat files for codec management:
:: Install a codec (usually a .ax file, sometimes a .dll file)
regsvr32 /S "path_to_file.ax"
:: Uninstall a codec
regsvr32 /U /S "path_to_file.ax"
You Can still use these versions to read Mpeg2 through Direct show but you need the M2V-Vfp Plugin The plugin shows up in the plugin list and I was able to read Mpeg2 files with it by dissableing the ligos and cyberlink filters...
The best Way, to put MPEG2 into TMPGEnc ist to use a d2v-File, created bei DVD2AVI. Because it uses the bestest MPEG-Decoder (refference-class), ever written, much better than any DirectShow-Filter or the shitty M2V-Vfp Plugin.
I would like to know which of the following you think I should do:
1) Quantize Matrix (How it works + suggestions)
2) MPEG2 import: DVD2AVI vs. MPEG2 VFAPI Plugin vs. Ligos MPEG2 using Direct show
3) Tips for PAL video
There's a lot to learn on this subject. Very interesting.
What is difficult is how to use the different VBR encoding
schemes, framerate conversion and capturing and encoding
VCR tapes to MPEG.
Succes,
Marc
Ps: I am not an expert in the video scene, questions on
audio, no probem.
Uff, first you have to learn, what the DCT is. It's important to know that if you want to know, what a Quantize Matrix realy does.
The Short Version: The DCT konverts a Block of 8x8 Pixels into an Frequency-Image. http://www-mtl.mit.edu/Courses/6.095/spring-00/unit3/dct.html
I don't understand your question. Mono is L + R channels combined into a single channel and then outputted to both L + R.
If you want a mono output just choose mono in the audio settings.
If you are saying you wish to have two completely seperate L + R channels then
Dual channel should give you two completly seperate L + R channels.
Or if you are simply trying to split the stereo signal into seperate L + R channels then most audio editing software can do this. Soundforge, Cooledit, Goldwave.
For some reason pressing start on TMPGENC closes the whole application. I have tried re-installing it with a different version, but the same thing happens. Any ideas out there?
Yes you can encode Mpeg2 to mpeg1 but you need the Cyberlink ligos or sony mpeg2 decoders installed...and it is a good idea to De-Mux the mpeg2 file then just encode the video to mpeg1 then mux the audio to the video....