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PostPosted: Wed Aug 19, 2009 8:31 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
Joined: Mon Jun 19, 2006 4:01 pm
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You have 2 options:

Reencode the audio track and squeeze it to fit your 25fps video. There are tons of audio tools that can do it.

The other option is changing the framerate of the video. You can use VDM for that. Changing the video's framerate is a lossless procedure. Maybe you'll need to add delay too. You can do all these using VDM.


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PostPosted: Sat Sep 19, 2009 8:36 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Lunatic Of Gods Creation
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I'm at a loss on how to deal with the aliasing, shimmer and 'wobble' type stuff going on with these and need some help, please....

Sample 1 - http://www.megaupload.com/?d=L9CFIOT7
Sample 2 - http://www.megaupload.com/?d=MCTLVOPY

Thanks :)


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PostPosted: Sat Sep 19, 2009 8:55 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
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I'll take a look. :beerchug:


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PostPosted: Sun Sep 20, 2009 5:31 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
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I just downloaded the 1st sample.

Look at the fields by using just Separatefields(). This source is really 29.97 fps! :o

Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image

There is just lots of aliasing.

This improves things a bit, but I think you need a stronger antialiaser:

Code:
DGDecode_mpeg2source("I:\videos\samples\junkboy\VTS_01_1.demuxed.d2v")

AntiAliasing(method="eedi2")

#--
function AntiAliasing(clip clp, string "method")
{
    method = default(method,"nnedi2")
    o = clp
    oi = o.Assumeframebased().AssumeTFF().SeparateFields()
    dbl   = (method=="nnedi2") ? mt_Average( oi.SelectEven().NNEDI2(field=1,dh=true),oi.SelectOdd().NNEDI2(field=0,dh=true), U=3,V=3 )
    \ :  (method=="eedi2") ? mt_Average( oi.SelectEven().EEDI2(field=1,maxd=4), oi.SelectOdd().EEDI2(field=0,maxd=4), U=3,V=3)
    \ :  mt_Average( oi.SelectEven().NNEDI2(field=1,dh=true),oi.SelectOdd().NNEDI2(field=0,dh=true), U=3,V=3 )
    dblD  = mt_MakeDiff(o,dbl,U=3,V=3)
    shrpD = mt_MakeDiff(dbl,dbl.RemoveGrain(11),U=3,V=3)
    DD    = shrpD.Repair(dblD,13)
    final=dbl.mt_AddDiff(DD,U=3,V=3)
    return final
}


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PostPosted: Sun Sep 20, 2009 7:26 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Lunatic Of Gods Creation
Joined: Fri Nov 10, 2006 11:56 pm
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Thanks for taking a look and for confirming it's a 29.97 fps source :) I'll try out the AntiAliasing function you gave and I'll go through the AA functions/scripts I've got off Doom9 to see which does the best job.


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PostPosted: Sat Oct 03, 2009 10:19 am  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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I've got a much smaller filesize (444 MB instead of 745 MB) using GKnot to encode a satellite TV recording to XviD AVI.

I haven't used any matrices, yet the bitrate is 707 and not the 1200+ that GKnot predicts.

Is this because it's already compressed for broadcast? This is the file I'm working from:

Image

This is the result:

Total Size (MB) ....: 444.08 MB

Video Length .......: 01:14:41
Video Codec Name ...: XviD MPEG-4 codec
Video Bitrate ......: 707 KB/s
Resolution .........: 512 x 288
Aspect Ratio .......: 1.77:1
Framerate ..........: 25 FPS
Quality Factor .....: 0.191 B/px
Audio Codec Name ...: MPEG-1 Layer 3 (MP3)
Audio Bitrate ......: 123 KB/s (VBR)
Channels ...........: 2 Ch
Sampling Rate ......: 48000 Hz

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Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 2:18 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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What are your XviD settings?


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PostPosted: Sat Oct 03, 2009 2:37 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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Image

_________________
Image

Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 2:48 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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That looks good. Any zone settings? Could you post the quantizers from the statistic window?


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PostPosted: Sat Oct 03, 2009 3:07 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Blood Sucking Freak
Joined: Thu Apr 17, 2008 11:30 am
Posts: 187
Set max BVOP to 1 maybe...


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PostPosted: Sat Oct 03, 2009 3:38 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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Image

Not sure how to get the quantizers after the rip has finished, but here is info from AVInaptic:

Quote:
[ About file ]

Name: stingers_1.avi
Date: 3/10/2009 02:25:18
Size: 465,655,808 bytes (444.084 MB)

[ Generic infos ]

Play duration: 01:14:41 (4480.92 s)
Container type: AVI OpenDML
Number of streams: 2
Type of stream nr. 0: video
Type of stream nr. 1: audio
Audio streams: 1
ISFT: VirtualDubMod 1.5.10.2 (build 2540/release)
JUNK: VirtualDubMod build 2540/release

[ Relevant data ]

Resolution: 512 x 288
Width: multiple of 32
Height: multiple of 32
Average DRF: 2.618015
Standard deviation: 0.485872
Std. dev. weighted mean: 0

[ Video track ]

FourCC: xvid/XVID
Resolution: 512 x 288
Frame aspect ratio: 16:9 = 1.777777
Pixel aspect ratio: 1:1 = 1
Display aspect ratio: 16:9 = 1.777777
Framerate: 25 fps
Number of frames: 112023
Stream size: 389,156,362 bytes
Bitrate: 694.779397 kbps
Qf: 0.188470
Key frames: 951 (0; 203; 447; 479; 514; ... 111745)
Null frames: 0
Min key int: 1
Max key int: 300
Avg key int: 117.794952
Delay: 0 ms

[ Audio track ]

Audio tag: 0x55 (MP3)
Bitrate (container): 123.656 kbps VBR
Channels (container): 2
Sample rate (container): 48000 Hz
Chunks: 186705
Stream size: 69,261,936 bytes
Preload: 504 ms
Max A/V diff: 520 ms
Type: MPEG-1 Layer III
Encoder: LAME3.90. (Made with BeSweet v1.5b30)
MPEG frames: 186705
Play duration: 01:14:41 (4480.92 s)
Bitrate (bitstream): 123.656634 kbps VBR
Chunk-aligned: Yes
Emphasis: none
Mode: joint stereo
Delay: 0 ms

[ About MPEG4 encoding ]

User data: XviD0046
Packed bitstream: No
QPel: No
GMC: No
Interlaced: No
Aspect ratio: Square pixels
Quant type: MPEG
Number of frames: 112023
Drop/delay frames: 0
Corrupted frames: 0

I-VOPs: 951 ( 0.849 %)
P-VOPs: 41840 ( 37.349 %) #########
B-VOPs: 69232 ( 61.802 %) ###############
S-VOPs: 0 ( 0.000 %)
N-VOPs: 0 ( 0.000 %)

Max consecutive B-VOPs: 2
1 consec: 11182 ( 27.811 %) #######
2 consec: 29025 ( 72.189 %) ##################

[ DRF analysis ]

Average DRF: 2.618015
Standard deviation: 0.485872
Max DRF: 3

DRF<2: 0 ( 0.000 %)
DRF=2: 42791 ( 38.198 %) ##########
DRF=3: 69232 ( 61.802 %) ###############
DRF>3: 0 ( 0.000 %)

I-VOPs average DRF: 2
I-VOPs std. deviation: 0
I-VOPs max DRF: 2

P-VOPs average DRF: 2
P-VOPs std. deviation: 0
P-VOPs max DRF: 2

B-VOPs average DRF: 3
B-VOPs std. deviation: 0
B-VOPs max DRF: 3

[ Profile compliancy ]

Profile to check: MTK PAL 6000
Resolution: Ok
Framerate: Ok
Min buffer fill: 78%

This report was created by AVInaptic (18-11-2007) on 3 ott 2009, h 15:34:08

_________________
Image

Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 3:44 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
Joined: Mon Jun 19, 2006 4:01 pm
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MCMLXXXVIII wrote:
encode a satellite TV recording


It has probably little to no details.

MCMLXXXVIII wrote:
[ DRF analysis ]

Average DRF: 2.618015
Standard deviation: 0.485872
Max DRF: 3

DRF<2: 0 ( 0.000 %)
DRF=2: 42791 ( 38.198 %) ##########
DRF=3: 69232 ( 61.802 %) ###############
DRF>3: 0 ( 0.000 %)

I-VOPs average DRF: 2
I-VOPs std. deviation: 0
I-VOPs max DRF: 2

P-VOPs average DRF: 2
P-VOPs std. deviation: 0
P-VOPs max DRF: 2

B-VOPs average DRF: 3
B-VOPs std. deviation: 0
B-VOPs max DRF: 3


The codec is "saturated" aka the compressibility is too high. Use no B-Vops (Max consecutive BVOPs=0) or use a high bitrate matrix.


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PostPosted: Sat Oct 03, 2009 4:01 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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I'm going to try encoding something else from satellite so I'll try 0 B-Vops on that.

This is my source:

Image

elchup, you've made several rips from satellite recordings - can you give me a rough idea of what settings you use and by what process you end up with an XviD AVI?

I presume you're starting with the recording as a TS file like me.

_________________
Image

Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 4:59 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
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MCMLXXXVIII wrote:
I'm going to try encoding something else from satellite so I'll try 0 B-Vops on that.


Satellite recordings tend to have less details, but every movie is different! And you should use a higher bitrate matrix rather than disable B-VOPs.


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PostPosted: Sat Oct 03, 2009 7:06 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
Joined: Sat Oct 20, 2007 10:31 am
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elguaxo wrote:
Satellite recordings tend to have less details, but every movie is different! And you should use a higher bitrate matrix rather than disable B-VOPs.


I suggest that too. Using a higher bitrate matrix enables you to get more detail and probably the file size you wanted. If you disable BVOPs you may also get the same fil esize but what you are doing is disabling the compression algorithms of XviD. That is like compressing files with WinZip and telling WinZip to compress only at an efficiency of 50%. Which doesn't really make sense imho.

MCMLXXXVIII wrote:
Ielchup, you've made several rips from satellite recordings - can you give me a rough idea of what settings you use and by what process you end up with an XviD AVI?

I presume you're starting with the recording as a TS file like me.


I have no idea what a TS file is. I used to capture the audio/video with a capture card and using a lossless codec (HuffYUV) resulting in an AVI file. Then I open the AVI file with AviSynth using AviSource(...) and can apply all the filters necessary.


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PostPosted: Sat Oct 03, 2009 7:18 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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elguaxo wrote:
Satellite recordings tend to have less details, but every movie is different! And you should use a higher bitrate matrix rather than disable B-VOPs.


Well it worked! The filesize was spot on and the quality better than I expected.

ImageImage

_________________
Image

Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 7:30 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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elchupacabra wrote:
I suggest that too. Using a higher bitrate matrix enables you to get more detail and probably the file size you wanted. If you disable BVOPs you may also get the same filesize but what you are doing is disabling the compression algorithms of XviD. That is like compressing files with WinZip and telling WinZip to compress only at an efficiency of 50%. Which doesn't really make sense imho.


I'll try a matrix when I re-rip my first attempt then, but not for this one since I'm satisfied with the quality. If the movie is about 90 mins and from TV and I'm aiming for 745 MB, what high bitrate matrix would you recommend? I'm not really into doing multiple attempts at a rip and my experience of matrices is that the end filesize can be unpredictable because of this.

elchupacabra wrote:
I have no idea what a TS file is. I used to capture the audio/video with a capture card and using a lossless codec (HuffYUV) resulting in an AVI file. Then I open the AVI file with AviSynth using AviSource(...) and can apply all the filters necessary.


Ah I see, I presumed you were dealing with files imported from a PVR, which is what I'm doing.

Thanks for your suggestions, and elguaxo too. 8)

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Last Release: The Food of the Gods (1976)
NZB: download/file.php?id=436

Coming Soon: Cat's Eye, The Uncanny, Food of the Gods 2, The Devil's Men, Studio 666.


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PostPosted: Sat Oct 03, 2009 8:38 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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The Ancient One
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MCMLXXXVIII wrote:
I'll try a matrix when I re-rip my first attempt then, but not for this one since I'm satisfied with the quality. If the movie is about 90 mins and from TV and I'm aiming for 745 MB, what high bitrate matrix would you recommend? I'm not really into doing multiple attempts at a rip and my experience of matrices is that the end filesize can be unpredictable because of this.


I can't remember the matrix, sorry. It must have been one of these:

  • EQM V3LR
  • Jawor's ZSM
  • EQM V3HR

I guess you don't want to wait hours encoding with a "wrong" matrix. You should run a compression test with several matrices OR use a pre-rendering pass (see here: viewtopic.php?p=204941#p204941). I would recommend the pre-rendering pass when using slow filters (which the cast almost every time for me).


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PostPosted: Tue Nov 17, 2009 10:33 pm  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Lunatic Of Gods Creation
Joined: Fri Nov 10, 2006 11:56 pm
Posts: 856
Is there a way to IVTC without it doing this at a scene change?

Image Image

Sample: http://www.filesend.net/download.php?f= ... 517755a729


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PostPosted: Wed Nov 18, 2009 2:58 am  Post subject: Re: Beginners Guide To Ripping With Gordian Knot
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Master Of The Dead Donkey
Joined: Mon Jun 19, 2006 4:01 pm
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I'll take a look. :beerchug:


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