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  Cinegy Cinescore - free benchmark for video production
Posted by: poita - 2017-02-27, 02:04 AM - Forum: General technical discussions - Replies (54)

I'd be interested to see what sort of performance people are getting on their PCs.
Give this a run when you are bored, it doesn't require an install, you can run it from a USB stick if you want.
https://downloadmanager.cinegy.com/downl...15.351.zip

Admin note: more info here https://www.cinegy.com/index.php/product...-and-tools

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  Image enhancers (Vidicraft and others) ?
Posted by: Docsap - 2017-02-26, 04:01 AM - Forum: Capture and rip - Replies (2)

I'm thinking about getting one of those video enhancers to re-captures a few LDs... but left wondering if, at this point, it would still be useful at all. Any advice ?

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  Encoding : where to go from here...?
Posted by: Docsap - 2017-02-26, 03:55 AM - Forum: Converting, encoding, authoring - Replies (2)

Guys, I'm stuck at the encoding step of a few finished projects.

I tend to end my edits with DN-HD outputs (which are about 120gb for a 90mn film), which I then encode to h264/blu-ray or other more lossy formats to share online. However, I still haven't found the right encoding method to deliver satisfying results for those "more lossy" formats, especially h264 and BD-related encodings. No matter what softwares and settings I use, I keep finding the resulting videos disappointing compared to the original source, and at this point, I feel like I've tried pretty much everything.

An example HERE


You can see the BD encode has greatly softened the grain, even though the settings used were tentatively as high as can be for the desired output size/format.
Obviously, quality loss is to be expected, but not to that level (?).

I'm open to your suggestions and advices as to what method should be used to properly encode to "general consumption" formats.  Humble thanks !

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  Forum update
Posted by: Feallan - 2017-02-22, 03:43 PM - Forum: Announcements - Replies (10)

I have updated the forum's software to MyBB 1.8.10

I did a clean install this time, so there is a high chance I broke something. Please report any bugs here or via email to admin fanres com

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  Dracula: Dead and Loving It
Posted by: spoRv - 2017-02-22, 12:57 AM - Forum: Movies, TV shows and other - Replies (11)

Just finished to watch it. Ain't no Young Frankenstein for sure. But not bad at all, either. Mel Brooks did a nice comedy, with good acting, chose the right star for each role, with respectable special effects. Sure, it's not as funny as the previously mentioned film - that is a masterpiece IMHO - but he made me laugh some time, and smile a lot.

Luckily, it was a light comedy without bad words, and heavy sexual jokes, like the most part of the parodies of these days. All in all, a mild funny flick for the whole family.

No Blu-ray of this; even if it's just a comedy, it would be good to have it on a high definition format. There is a 720p HDTV verions, sadly it has corrupted frames and missing end credits, but could be used as source for an eventual project, along with laserdisc PCM - that "could" be better than 384kbps 2.0 DD track, but I can't be sure...

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  Avisynth: multithreading, 64bit and more
Posted by: spoRv - 2017-02-21, 05:46 PM - Forum: Converting, encoding, authoring - Replies (2)

Avisynth 64bit (even if may be a bit faster than 32bit) isn't worth the upgrading, as many filters works only on the 32bit version - unless someone has a method to successfully run the 32bit plugins using the 64bit version, I'll stick with the x86 version, even using Window 10 pro - it works well, by the way!

But, it's time to follow the multithreading way... I used the MT version years ago, but it crashed frequently, and it seems it's a general consensus to not use it. But I'm open to (re)try it.

So, what are the alternatives? I want something simple that will split the task automagically - I know that I could split the script and open several instances at the same moment, but I'd prefer a simple, single script (adding the needed plugin lines) instead of split, encode, join operations.

SoraThread seems promising; used in conjuction with MT, speed improves a lot. Other alternatives could be Pipeline, Threadrequest; any other?

Avisynth+: as far as I understand, it is 100% compatible with any Avisynth plugin, and should be faster, so is there a reason to not use it?

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  x264: 32bit or 64bit?
Posted by: spoRv - 2017-02-21, 04:55 PM - Forum: Converting, encoding, authoring - Replies (15)

I'm aware that direct avisynth 32bit -> x264 64bit encoding is not possible - but there are some workarounds for this; not so important, as I always encode lossless before.

x264 64bit seems a lot faster than 32bit - from 10%, to 40% and more with slow settings. I can't see anything that may lead me to NOT use the 64bit version; or, at the contrary, there are problems in the 64bit in comparison to 32bit?

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  Music Albums on Laserdisc -- Worth Preserving?
Posted by: nafroe - 2017-02-21, 03:25 PM - Forum: Everything else... - Replies (3)

About a year ago, I found a Laserdisc of the Chicago 17 album at a local thrift shop... It has the entire album, plus two music videos for You're The Inspiration and Hard Habit To Break.

Although I don't have a LD player, I picked it up largely because at the time, I had never seen an album on LD before.

Is it worth it to rip the LD video and get a bit perfect capture of the LD audio?

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  Stargate on Netflix
Posted by: Farstarbuck - 2017-02-19, 06:18 PM - Forum: Official and unofficial releases - Replies (7)

Anyone else from the UK noted that Stargate is a 1.85:1 version on Netflix?

Picture is decent and looks fairly good.

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  hardware device as audio analog to digital converter (ADC)
Posted by: spoRv - 2017-02-18, 07:32 AM - Forum: Capture and rip - No Replies

My PC sound card is (still) the original integrated one; it’s a SigmaTel with the CXD9872RD chipset – not too bad to be an integrated sound card; plus, it has the ability to capture bit-perfect audio via the digital input – and that’s a VERY GOOD feature, when you must capture laserdisc PCM/AC3/DTS soundtracks.

However, the analog input/output, even if good, is not comparable with the best sound card around. The solution is simple: to buy a better sound card! Even if the solution is simple, I can’t afford the brand new sound card I’m dreaming of now, so I thougth about an alternative solution. Which one?

It’s possible to use an external device as ADC (Analog Digital Converter); just use an analog stereo cable to plug the output of your laserdisc player (or VHS, or another analog source) to the device analog input; then, use a digital cable to connect the device output to your PC sound card input (I used the TosLink optical connection, but a coaxial digital cable will do the same work; it depends from the device digital output and your PC sound card digital input).

The device’s own ADC could be better than your PC sound card or not; how could you discover which one is better? Well, some time ago I wrote into my hi-end audio capture card post about this wonderful tool, the RightMark Audio Analyzer – now version 6.0.3 is available, but I stick with the old 5.5 version, as the new one continue to crash my PC…

This tool simply analyze the input/output quality of your sound card; I used it to test not only it, but also the various path between the PC sound card and the other devices; they are two DVD recorder, a Pioneer DVR-320S and the Yukai DVD-R100A, plus a MiniDisc recorder, the Sony MDS-520.

Here you are the results; sampling mode: 16-bit, 48 kHz (except for MiniDisc, that is 44.1 kHz):

Code:
Test                         AN. OUT ->     AN. OUT ->     AN. OUT ->    AN. OUT ->    
                             Yukai DVDR     Pioneer DVDR   Sony MD       AN. IN
                             -> DIG. IN     -> DIG. IN     -> DIG. IN          
Frequency response
(from 40Hz to 15kHz), dB:   +0.35, -0.46   +0.21, -0.22   +0.16, -0.28   +0.35, -0.47
Noise level, dB (A):        -93.9          -92.3          -92.2          -93.8
Dynamic range, dB (A):       94.3           92.3           91.8           94.2
THD, %:                      0.020          0.0051         0.0020         0.0048
IMD + Noise, %:              0.019          0.0097         0.0082         0.0092
Stereo crosstalk, dB:       -94.8          -91.9          -92.9          -92.0

and another batch of tests I’ve done; CD and DVD are made using the RightMark test WAV file, burned and played with the Pioneer DVD recorder via digital optical cable; the digital in->digital out via digital optical cable; the analog out->analog in via stereo RCA cable – all 16bit:

Code:
Test                         CD             DVD            DIG. OUT ->    AN. OUT ->    
                             DIG. IN        DIG. IN        DIG. IN        AN. IN
                             44.1kHz        48kHz          48kHz          44.1kHz  
Frequency response
(from 40Hz to 15kHz), dB:   +0.00, -0.00   +0.00, -0.00   +0.00, -0.00   +0.34, -0.44
Noise level, dB (A):        -96.1          -98.2          -95.1          -92.9
Dynamic range, dB (A):       93.0           98.1           95.1           92.8
THD, %:                      0.0024         0.0003         0.0005         0.0056
IMD + Noise, %:              0.0063         0.0037         0.0052         0.012
Stereo crosstalk, dB:       -97.8          -99.5          -96.0          -93.2

Conclusions: I think my old sound card is not that bad, at the contrary, it’s slightly better than these external devices like DVD and MiniDisc recorders; even if the latter have sigma-delta converters, up to 24bit/96kHz, that, on the paper, are exceptional, actually the digital input of my old capture card support at best 16bit/48kHz, so this presumed superiority could not be taken in account.

So, at the end, I will continue to use the sound card that I have, until I could afford a brand new card. By the way, I just finished to do some test captures of the analog soundtracks of Halloween Criterion laserdisc; it has the commentary onto one analog track, and the isolated score onto the other; well, the channel separation is so good that is impossible to hear a channel “bleed” into another, and the overall sound quality is almost on par with the PCM soundtrack!

Hope this little test will help someone with a low quality sound card to find out how to use an external device to improve audio capture quality, or, at the contrary, to discover that this presumed low quality sound card has indeed a sound quality not so low… like I did! (^^,)

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