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Moth3r

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Join date
26-Oct-2004
Last activity
16-Jul-2017
Posts
4,892

Post History

Post
#265278
Topic
Colour matching for fan edits
Link
https://originaltrilogy.com/post/id/265278/action/topic#265278
Time
That code is all double dutch (sorry Arnie!) to me as well. Damn forum software.

Putting it simply, for people with simple brains like me:

Lets say you have a frame of video, so many pixels, each pixel has a value for Y, U and V. (Could also work in RGB?)

Draw a bar chart - or histogram - for the Y (luminance) values; the x axis as the values from 0 to 255 and the y axis is the number of pixels having that particular Y value. The shape you end up with is governed by the "look" of the image; Mike Verta gives a good editorial on his page here (read the bit titled "crunch time".

A probability density function produces a curve that approximates to the shape of the graph (the function called the normal distribution is the one most people have heard of).

The process that Laserman is describing is a method of generating a function that produces a curve approximating to video 1's histogram, then adjusting the values of video 2 so that they match this curve.

I would love to see someone with coding ability take this on and come up with an AVISynth filter. Have you tried the AVISynth development forum at doom9 to see if there's any interest?

Post
#265023
Topic
Jaffa Cakes
Link
https://originaltrilogy.com/post/id/265023/action/topic#265023
Time
Mmmm, Jaffa Cakes...

Back in 1991, we fought a battle with the VAT man to prove that Jaffa Cakes are cakes, not biscuits, and therefore should not attract VAT.
Apparently this was proven by leaving Jaffa Cakes out a few days to go stale. Stale cake goes hard; stale biscuits go soft. The Jaffa Cakes went hard, thereby prooving that they should be regarded as "cakes".

They now sell them in Lemon & Lime and Blackcurrant flavour!

Rik, try http://www.britishcornershop.co.uk/.
Post
#264902
Topic
Preserving Live Albums
Link
https://originaltrilogy.com/post/id/264902/action/topic#264902
Time
Originally posted by: Cable-X1
Well, I want to be able to burn a CD copy of stuff like Pink Floyd's The Wall and have it gapless. If you are simply wanting to backup the album to a CD-R, then go the disc image (ISO, NRG, etc...) route. The backup should be virtually identical to the original - audio has not been through a lossy encoder.

Originally posted by: Cable-X1
Seriously though...if anyone has a tried and true program for it, I'd love to hear about it. I haven't tried the above programs yet.
Another vote here for EAC & LAME.

Originally posted by: Cable-X1
How do the cue files work? I've never messed with those before.
Use a media player that supports cue sheets; e.g. Winamp with mp3cue plugin, MPlayer, foobar2000, etc...

Post
#264734
Topic
***The "Darth Editous" Episode IV DVD Info and Feedback Thread*** - a partially "de-specialed" DVD
Link
https://originaltrilogy.com/post/id/264734/action/topic#264734
Time
Originally posted by: Darth Editous
... I had a look at my level-adjusted version on my laptop and the noise in the blacks is horrible - not that this matters on most display devices, but I'm sure it's not doing the encoder any good. ...
I remember reading about an AVISynth filter that performed a strong temporal noise filtering on low luma areas only - but I can't for the life of me find it now!
Post
#264183
Topic
question about synching the gout with the mono mix
Link
https://originaltrilogy.com/post/id/264183/action/topic#264183
Time
Originally posted by: pittrek
Or could you at least upload your synched PAL AC3 to some normal server ? I'm online from a cyber cafe so I can't wait 4 hours to download the file. Quicksharing.com is INCREDIBBLY slow (started with 200kbps, but went to 10kbps after a while !)
No, I don't have access to a "normal" server with capacity for that size of file, I am stuck with using the free file sharing sites. I chose quicksharing.com as I saw some good reviews. Anyone else experiencing speed problems with this download?
Post
#263998
Topic
The Mono Mix Restoration Project (Released)
Link
https://originaltrilogy.com/post/id/263998/action/topic#263998
Time
Originally posted by: schorman13
Will this be in the form of a mono wav file or a dual mono stereo file, like a mono cd?
I envisage that a mono WAV (or perhaps encoded to a losslessly compressed format) will be made available to those who want it.

For the end user however, I would advocate the use of Dolby Digital (AC-3) format, because:

- mono PCM is not a legal audio format for DVD

- "dual mono" 2-channel PCM takes up an excessive amount of space which could be better used for the video encode

- with AC-3, the video could be left untouched if desired (on a dual-layer DVD)

- "dual mono" PCM - or MP2 for that matter - would play out of a surround system through both the front left and front right speakers (unless some form of processing is applied at the receiver) which tends to sound "remote" from the action on the screen

- AC-3 1.0 would correctly play out of the centre speaker only
Post
#263912
Topic
The Mono Mix Restoration Project (Released)
Link
https://originaltrilogy.com/post/id/263912/action/topic#263912
Time

I thought it was about time that this project had a dedicated thread…

The mono mix is an alternative sound mix for the original Star Wars film, created after the initial Dolby 6-track and Dolby Stereo mixes. There are several differences from the first two mixes in effects and dialogue content, and some consider the mono mix to be the “definitive” or most complete mix heard during the film’s theatrical run.

The history of the original sound mixes and details of how the mono mix was created can be found here:
http://www.in70mm.com/news/2003/star_wars/index.htm

A page demonstrating some of the differences in content can be found here:
http://homepage.ntlworld.com/russdawson/mono/

A few of the elements from the mono mix were used in the creation of the THX-certified digitally remastered mix that features on the 1993 Definitive Collection laserdisc set and the 2006 DVD release. A list of these elements can be found here:
http://originaltrilogy.com/forum/topic.cfm/70mm-mix-to-93-mix-comparison/topic/6501/

The mono mix has never been officially released on any home video format, and the only sources known to date are bootleg telecine copies of a theatrical print and recordings of the film from European TV broadcasts in the 1980s (specifically from the UK and Denmark). No high-quality sources have yet been located.

The aim of this restoration project is to draw from all available sources and use digital clean-up techniques to create a complete audio file that best recreates the original theatrical presentation of this mix.

The audio is to be synched with the video from the 2006 DVD release, so that fans may create their own custom DVD by substituting the 1993 Dolby Surround mix found on the official DVD with the restored mono mix.

Post
#263685
Topic
CRC errors in .ac3 file help needed.
Link
https://originaltrilogy.com/post/id/263685/action/topic#263685
Time
I would choose "fix" or "silence".

ignore: keeps the frame as it is (CRC error will still be there)
fix: keeps the frame, but changes CRC to the right value (may still be a glitch in the audio)
silence: replaces the frame with a silent one (silent frame might cause an audible 'pop' at that point)
skip: deletes the frame (too many deleted frames will lead to audio desync)
Post
#263522
Topic
question about synching the gout with the mono mix
Link
https://originaltrilogy.com/post/id/263522/action/topic#263522
Time
Here's a guide to create a "quick and dirty" GOUT DVD with the mono mix.

1. Put your official 2006 GOUT ANH DVD in your drive. Start up DVD Decrypter.

2. Go to Tools -> Settings, click the IFO Mode tab, and make sure that File Splitting is set to None. Now go to Mode -> IFO.

3. Click on the Stream Processing tab, check/tick the Enable Stream Processing box, uncheck/untick all the streams except for the first one (video). Select the Demux button.

4. Click on the Decrypt button to start.

5. When finished, you should now have a demuxed video file:
C:\STAR_WARS\VIDEO_TS\VTS_03_1 - 0xE0 - Video - MPEG-2 - 720x480 (NTSC) - 4~3.M2V
or
C:\STAR_WARS\VIDEO_TS\VTS_03_1 - 0xE0 - Video - MPEG-2 - 720x576 (PAL) - 4~3.M2V

6. Download the audio file using the appropriate link below:
NTSC or PAL

7. Start up DVDAuthorGUI. Set DVD format to PAL or NTSC. Click "add title", select the video M2V file from stage 5 and the audio AC3 file from stage 6.

8. Click on "author DVD", enter a location where your VIDEO_TS folder is to be saved.

9. That's it! Now burn with Nero, watch with powerDVD, etc...