ntsc to pal conversion - this is how i do it, waht dya think

[garlicbred31]

1 open virtual dub and select the file you require converting
2 under audio select FULL PROCCESING MODE
3 save WAV to hdd
4 under audio select NO AUDIO
5 under video select DIRECT STREAM COPY
6 alter the video frame rate to 25 fps
7 now save as AVI into the folder with the WAV file
8 open BeSweet, select the WAV file you just extracted and select the NTSC > PAL option and save as another WAV file
9 delete the first wav file
Hey presto, you've now got a 25fps avi file and a 25fps wav file to convert however you want - works for me, perfect sync and no jerky playback.
Any feedback would be helpful as i'm not trying to lay down hard and fast rules here - it's just how i've gone about the problem
cheers

[FOO]

OK if you can stand to watch it 16 % slow
instead of 4 % fast

[Poplar]

I think you were lucky to have perfect synch result. I don't know what your source material was, so I don't want to guess.

Have you noticed how VDub change frame rate? It simply speeds it up or slows it down without inserting or dropping any frames! In most cases, this will cause A/V out-synch, if you don't adjust audio.

[garlicbred31]

my source files are 23.976 fps and every one i've tried works perfectly so far, maybe i just hit lucky or i'm just bein ignorant of the facts - has anyone else at least TRIED this method?

[Tommyknocker]

my source files are 23.976 fps and every one i've tried works perfectly so far, maybe i just hit lucky or i'm just bein ignorant of the facts - has anyone else at least TRIED this method?

Excellent point GarlicBred. Gurus, have you tried this procedure, or were just "shooting from the hip"?

[FulciLives]

This method works as I've done it myself (though usually the other way around ... that is PAL to NTSC).

As long as the original PAL source is exactly 25fps with matching (in synch) audio then there is no problem at all converting it to 23.976fps as stated above by garlicbred31

Please note this work BEST if the PAL source is PROGRESSIVE but this method is really best suited to AVI clips such as DivX/Xvid which are almost always PROGRESSIVE anyways.

If you are working with DVD as a source then there are otherways of doing it than using VirtualDub.

The only thing I might question about garlicbred31's instructions is why do full processing on the WAV when extracting it? Wouldn't it be better to do DIRECT STREAM COPY on the AUDIO?

- John "FulciLives" Coleman

P.S.
The only time you would run into "trouble" with synch issues is if the framerate was not exactly 25.000fps to begin with because even if it is close (say 24.998 or 25.002) you will most likely have synch problems because of the sound conversion.

I'm experiencing this now with PAL VHS captures I want to convert to NTSC for making a NTSC DVD-R. My captures are in synch but only at "odd" slightly off values such as 24.998 and although you can more-or-less change the video frame rate to ANYTHING the AUDIO is much harder. For instance BeSweet has no problem doing 25fps to 23.976fps audio changes but since my audio is 24.998 and not 25.000 to begin with I'm getting gradual synch loss. I'm running BeSweet right now with the custom change rate of 24.998fps to 23.976fps but it is running REALLY slow (slower than real time) whereas if I select the PRE-SET 25fps to 23.976fps it runs MUCH faster than real time. So I don't know how the final file will turn out as I'm still waiting on it to finish.

Again DVD sources or DivX/Xvid files made from DVD sources are very easy to convert from PAL <---> NTSC because of the dead-on frame rate they have. Captures are another story if the frame rate is not exactly as it should be.

[FulciLives]

I should point out that going from NTSC progressive to PAL progressive (23.976fps to 25fps) is easy to do. I'm mostly doing PAL to NTSC but this thread is really about NTSC to PAL and after reading what I wrote above I started talking mostly about PAL to NTSC but the process is really the same ... just in "reverse".

However, if you have a 29.970fps NTSC source ... well ... that can be tricky to convert PROPERLY to 25fps PAL but it CAN be done. In this case you are better off NOT using VirtualDub but instead do it with an AviSynth AVS script.

For more info check out the two links below:

1.) http://www.geocities.com/xesdeeni2001/StandardsConversion/
2.) https://www.videohelp.com/forum/viewtopic.php?t=160433&highlight=

Good Luck!

- John "FulciLives" Coleman

[Haddonfield78]

Thanx GarlicBread, Tommyknocker and FulciLives, i also encountered problems when coverting a 23.976 divx movie to NTSC-DVD, most of the problems i encountered were jerky playback in moving sequences even with the 3:2 pulldown flag applied to my DVD, as you can see in my earlier postings. I'm gonna try this one, because i live in a PAL-country (Netherlands) it's the most convenient way to do it i guess, i gave up after converting 25 divx, xvid movies to NTSC-DVD and i'm starting this method. Honest, framerate difference between NTSC-filmformat and PAL is just 1,024 frame, why bother to do a conversion to NTSC wich framerate-difference is 5,994. So i'm gonna try this one, Stupid that i didn't think of this method earlier.

I keep you guys posted about the results,

Michael M.

[2man]

the method works fine i did some ntsc2pal 23.976-25fps
just don´t save to avi in virtualdub, instead do a frameserve
lately i just use avisynth to open in ntsc.avi in TMpeg and using the function AssumeFPS(25) in Avisynth
to had subs with Avisynth2.5X i have to do the frame serve from VDub (add filter for subs) then frameserve to avisynth (using the best script) after using TMPEG encode to XKVCD
it works very fine
remember to resize before TMPEG to speed up the process

[Haddonfield78]

FulciLives,

The first link is a guide where i found 1 conversion from film (23.97) to PAL (25) but this one is meant for SVCD or VCD, i'd like to convert my filmformatted DIVX to DVD, also i can't see where the video is converted, it's just the audio wich is converted by slowing it down

IV. NTSC (Film) VCD (23.976 Fps) -> PAL VCD (25 Fps)
Load the source DAT file into TMPGEnc as the "Video Source" (the "Audio Source" selection should automatically change to match the "Video Source.").
NOTE: Cancel the Wizard dialog box which appears when you run TMPGEnc.

Select the "Wave file" item in the "Output to file" sub-menu of the "File" menu.
Choose a location and filename for the destination WAV file.
Click "Save" to decode and convert the audio from the DAT file to a temporary WAV file.
Use WSOLA.exe to slow down the audio using the following command line
DRIVE:\PATH\WSOLA DRIVE:\PATH\AVSEQxx.wav DRIVE:\PATH\NTSC.wav 0.95904

Load the WAV file created above into TMPGEnc as the "Audio Source."
Load the "VideoCD (PAL)" template into TMPGEnc.
Specify the location and name of the "Output file name" with an MPG extension.
Choose "Motion estimate search (fast)" or "Highest quality (very slow)" in the "Video" tab of the "Setting" dialog.
Check the "Do not frame rate conversion" in the "Advanced" tab of the "Setting" dialog.
Press "Start" to convert, encode and multiplex the video and audio.

The second guide is a posting where somebody wants to convert from NTSC to PAL, so both postings aren't sufficient to do the job, maybe i'm wrong but i couln't find the right solution, and for you 2man, please maybe you can explain it in a more clearly way, so i can understand it to.

Thanx in advance

Michae l M.

[mats.hogberg]

2 under audio select FULL PROCCESING MODE
3 save WAV to hdd

I'd go for direct stream copy of audio, then convert to wav outside of VirtualDub, since I don't really trust VDub when it comes to audio.

5 under video select DIRECT STREAM COPY
6 alter the video frame rate to 25 fps
7 now save as AVI into the folder with the WAV file

You can shortcut this step if you use AVIFrate to alter the FPS setting directly in the AVI - no need for a second copy.

8 open BeSweet, select the WAV file you just extracted and select the NTSC > PAL option and save as another WAV file

I use WavWorks to speed up the wav, but that's just a matter of taste...
Besides these details, it's exactly the right way to do it, IMHO.

/Mats

[Haddonfield78]

mats.hogberg

Thanx !, we'll give it a try !

[mh2360]

Heres the way I do it...

Use FITCD to start our AVIsynth script:



Select PAL output and resize to anamorphic (personal preference). Select Lanczos resize( the best).

add ConverToYUY2() to the end of the script for Main Concept/CCE, add ConvertToRGB24 for Tmpgenc.

De-mux the audio with V-dub, and convert to 25fps WAV with BeSweet. Convert the audio to 2.0 AC3 with Scenarist AC3 encoding tool (much better than Soft Encode)



Just encode the script, and we have an .MPV and an .AC3 ready to be authored.

I know Besweet could have handled the AC3, but I have a Pioneer stand-alone, so It doesn't work .

[Haddonfield78]

It looks it's getting easier by the minute !

I'll bookmark this posting rightaway !

[savage]

i dont get a bit of mh2360 way, i hope he can help me solve this quick style.
what does he mean by "add ConverToYUY2() to the end of the script for Main Concept/CCE, add ConvertToRGB24 for Tmpgenc."

i have both converters but where have i to add this, might be a dumbass ? but im stuck.

need help quick