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Mono mix for Moth3r's ANH DVD — Page 2

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Originally posted by: Hoichi, the Earless
I have Dr. M's version as well, but is there a way for me to burn a copy of it with this mono track so that it won't have the pitch change/speed-up??

Slow it down 4%.

Neil

Well at least the reversed surround channels have been addressed.

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Originally posted by: Neil S. Bulk
Slow it down 4%.

Neil


According to Moth3r on the previous page: "The pitch speedup will be not be an issue if this source is used with NTSC video."

So I'm under the impression the audio will not need to be adjusted for Dr. M's NTSC conversion.

You know of the rebellion against the Empire?

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No, I mean in order to use this audio with NTSC video, you will need to slow it down by 4%, and by slowing it down, the correct pitch will be restored.

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So, can anyone tell me the number of video frames and running time for Doctor M's version?

If it's 174495 (2:01:17.9) then it'll be a doddle for me to put out a compatible mono file.

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Looks to me like 174,481 (2:01:17.3)

However, in practice you must take into account the “fuckwit factor”. Just talk to Darth Mallwalker…
-Moth3r

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Moth3r,

When I pop Dr. M's version in my computer and my standalone DVD player, it says the length is 02:01:10.

I actually tried to adjust your AC3 file to work with Dr. M's, but I didn't get very good results. Granted, I'm a noob. Using Sony Sound Forge, I changed the pitch by -69 cents, and this lengthened the clip to 02:01:03. I got -69 cents by taking the total time of the clip, multiplying it by 4.096%, and then adjusting the pitch until it was as close as possible to the total number. Things were close, but the sync was still off.

I've never seen your version, but Dr. M's has a THX intro. Does your AC3 file account for this intro?

You know of the rebellion against the Empire?

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Yes there is a section of silence at the beginning to allow for the THX intro.

Perhaps Doctor M could shed some light on the 14 missing frames?

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Originally posted by: Darth Mallwalker
Looks to me like 174,481 (2:01:17.3) IfoEdit reported 218,101 frames for Doctor M's VTS_02_0.IFO (both versions),
which I "IVTCed" (multiplied by 0.8) to arrive at 174,481.


Since then I've had a closer look using VirtualDubMod.
After 'cat'ing all the VOBs into one giant MPG, VirtualDubMod shows 174,495 frames for both Doctor M versions,
and they seem to line up with Moth3r's.

Near the beginning I compared the following frames (remember in VirtualDubMod the first frame is 0):
1065 - the words "STAR WARS" appear
4119 & 4120 - nasty film scratches in the Tantive corridor

At the end, as the medal ceremony wipes to the closing credit "Written and Directed by GEORGE LUCAS"
the W and G appear in frame 169,108.
After the last credits fade to black, I noticed some white specs at 174,358 and 174,445.
Not sure whether those white specs are on the film print or LaserDisc sparkles,
but they line up perfectly between Moth3r's and both Doctor M versions.

Again, all three show 174,495 frames in VirtualDubMod.
Dunno how IfoEdit came up with 218,101 but we wouldn't be using Doctor M's IFO anyway, right ?

Originally posted by: Moth3r
If it's 174495 (2:01:17.9) then it'll be a doddle for me to put out a compatible mono file.
Start doddling, please

However, in practice you must take into account the “fuckwit factor”. Just talk to Darth Mallwalker…
-Moth3r

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there has got to be a way to splice in the missing parts of the soundtrack,

the missing fox fanfare and the first few bars of the star wars title theme.

Plus the majority of the end title is missing.

“Always loved Vader’s wordless self sacrifice. Another shitty, clueless, revision like Greedo and young Anakin’s ghost. What a fucking shame.” -Simon Pegg.

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Originally posted by: skyjedi2005
there has got to be a way to splice in the missing parts of the soundtrack,

the missing fox fanfare and the first few bars of the star wars title theme.

Plus the majority of the end title is missing.


posted earlier by: Moth3r
I'll be sending the raw files to this guy to have a play with, but I thought I'd post the unprocessed audio up for those who may be curious.


Top men are working on it Skyjedi!
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For those who are interested:

http://sky.prohosting.com/oparviai/soundtouch/soundstretch.html
soundstretch mono.wav mono_ntsc.wav -rate=-4.096

Like I said, a doddle...

Actually, the resulting file was about 34ms too short due to rounding (23.976 is actually 24000/1001; I tried soundstretch with -rate=-4.0959 but the resulting wav was exactly the same). So I split the difference and added 17ms of silence to the start of the file. I think it's very unlikely that any desync will be noticeable, but I haven't got Dr M's DVD to test it with.

I'll post the AC-3 encoded file this evening.

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The mono AC-3 file for Dr M's DVD is up on the newsgroup now. Since I don't have Dr M's video to test this, it'd be good if someone could try it and report back whether it syncs up or not.

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If some kind soul can help me get the AC3 file (I don't have newsgroups access), I'd be happy to test this with Dr M's video.

You know of the rebellion against the Empire?

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can someone post the ac3 file here?

“Always loved Vader’s wordless self sacrifice. Another shitty, clueless, revision like Greedo and young Anakin’s ghost. What a fucking shame.” -Simon Pegg.

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Originally posted by: Moth3r
I think it's very unlikely that any desync will be noticeable, but I haven't got Dr M's DVD to test it with.
I didn't notice any de-sync issues. Thank you for sharing it.
Since Dr. M's video left room for LPCM sound, maybe you'd consider releasing an uncompressed version (or 448kbps perhaps)
after Belbucus finishes his resoration ?

However, in practice you must take into account the “fuckwit factor”. Just talk to Darth Mallwalker…
-Moth3r

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Thanks for that; there's always a risk of screwing up when you do something "blind", it's satisfying to know it worked out.

Belbucus indicated some time ago he'd be happy to share the final masters with me or anyone else. I believe he will be using the audio from the DC laserdisc as a reference for sync.

I'm not sure if mono PCM is allowable under the DVD spec, but if PCM (or lossless) is what is shared, it would be ideal for anyone who wants it to encode how they see fit.

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I believe mono PCM is supported by the DVD spec.

Great job, Moth3r BTW. I'm eager to see your version of Jedi - IMHO yours are the best quality OT captures available (sorry Citizen, the little extra sharpness wins it for me ;p)
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Moth3r are you still working on this set....?
and will there be a version of this from the orginal boradcast on dvd ?
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No, I've finished with the mono mix for the time being. I've released a rough AC3 file for my ANH DVD and an NTSC speed version to go with Dr. M's DVD. It's a straightforward process to extract video from an existing DVD and author a new DVD with the mono audio, so I'm not going to do a whole new DVD. I would consider the rough audio track to be of academic interest only, just a bit of fun until a fully restored version becomes available (I've sent the uncompressed audio file to a restoration specialist to work with).

Not forgetting that Jedi/Feta and Tellan have made use of the mono mix in their own projects.

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Originally posted by: AbsoluteDestiny
I believe mono PCM is supported by the DVD spec.
Unfortunately, DVD-lab disagrees with you:

http://img271.imageshack.us/img271/6204/error1bl.png

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I was finally going to make a mono-mix ANH Moth3r dvd, and now realize I must have inadvertently deleted the ac3 file.

Since the link on this thread no longer is open for business, is there any chance someone could repost it somewhere? I'm also looking for the ntsc version for Dr. M's conversion. Any help would be greatly appreciated.
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Thanks Moth3r, got it and made the disc successfully with Dr. M's version. There's only one problem...I'd really prefer the original PAL mono-mix! I still like the video quality far more in Moth3r's original, and I also realized that I can't make a disc with the mono-mix as a bonus audio track when using the NTSC version. Since the PCM track on Dr. M's disc isn't recognized by dvdauthorgui (as far as I can tell), I can only make a disc with just the mono mix. With Moth3r's, the original audio is an ac3 file, and I know enough about dvd authoring that I could make the dvd a dual soundtrack disc simply by adding the mono ac3. I realize there are likely ways to get around all this, but I'm new at encoding and authoring and all that... I really have no idea and can't seem to figure it out from the information I've found on the subject.

I guess what I'm saying is, if at some point anyone on these forums can re-upload that original PAL mono-mix file anywhere, I'd be grateful.

Thanks again, Moth3r.
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DVDAuthorGUI will only accept AC3 or MP2 audio as elementary streams. You could try Muxman instead.

Unfortunately there is not enough room on my disc for the mono track as well (I've tried). You would need to use a dual layer disc (which is a bit of a waste) or re-encode the video at a lower bitrate (which would lose a bit of quality).

Also, the PAL version of the mono mix exhibits a 4% pitch increase. This can be distracting if you're used to the correct pitch.

If you still want the PAL version uploading let me know.

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