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  'Gimmick' Sound Formats
Posted by: alleycat - 2021-12-15, 10:55 AM - Forum: Requests, proposals, help - Replies (10)

Sensurround (Universal)

https://en.wikipedia.org/wiki/Sensurround

  • Earthquake 1974 - Included on the Shout Factory Blu Ray as DTS-HD 2.1 and several other blu rays as DTS-HD 5.1
  • Midway 1976 - Included on the Universal Blu Rays as DTS-HD 2.1
  • Rollercoaster 1977 - Included on the Shout Factory Blu Ray as Dolby Digital 3.1 and the UK 101 Blu Ray as DTS-HD 2.1
  • Battlestar Galactica 1978/1979 - Included on the Universal Blu Rays as DTS-HD 2.1
  • Alien 1979 - Included on the Fox Laserdisc [8760-85]

Surround 360 (20th Century Fox)

https://en.wikipedia.org/wiki/Sound_360
  • Damnation Alley 1977 - Not included on the recent blu ray, reports are the original elements were not salvageable
  • Damien: Omen 2 - Never appears to have been released on home media

Megasound (Warner)

https://en.wikipedia.org/wiki/Megasound
  • Altered States 1980 - Never appears to have been released on home media
  • Outland 1981 - Never appears to have been released on home media
  • Superman II 1981 - Never appears to have been released on home media
  • Wolfen 1981 - Possibly included on the Blu Ray - reports state the DTS-HD 5.1 is derived from 70mm 6 channel audio

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  AV1 (AOMedia Video 1) [main thread]
Posted by: spoRv - 2021-12-14, 06:56 PM - Forum: Converting, encoding, authoring - Replies (24)

AOMedia AV1

I'll gather some interesting info found around the web about AOMedia Video 1 a.k.a. AV1 here, in no particular order; feel free to add more!


FILM GRAIN SYNTHESIS

This is very interesting for fan preservation purposes; tested personally, it works quite well - it's like to overlay a grain plate, but with grain synthesis it should not be encoded, hence you can expect similar quality for grainy sources but obtained at lower bitrates.


[Image: AV1-Film-Grain-Synthesis.png]

A post on reddit about grain synthesis:
https://www.reddit.com/r/AV1/comments/n4si96/

I strongly encourage you to take a look at the following paper - at least at the comparison images; you can see how similar the synthesized grain pattern is to the original grain!

Film Grain Synthesis for AV1 Video Codec:
https://norkin.org/pdf/DCC_2018_AV1_film_grain.pdf

DEMO

MPEG-DASH Adaptive Streaming with AV1 by Mozilla and Bitmovin:
https://demo.bitmovin.com/public/firefox/av1/

Well, "Tears of steel" (2.40:1) at 1080@3mbps looks very good to me - it is 4mbps for a full frame 1080p video, hence 16mbps for 2160p; so a whole UHD movie could be fit on a BD-25 with enough space for lossless audio track(s)!

AV1, VP9, HEVC and AVC codec comparison:
http://video.1ko.ch/codec-comparison/

ARTICLES

Best Video Codec: An Evaluation of AV1, AVC, HEVC and VP9:
https://bitmovin.com/av1-multi-codec-dash-dataset/
and related paper
Multi-Codec DASH Dataset:
https://arxiv.org/pdf/1803.06874.pdf
AV1 bitrate gain on HEVC at UHD resolution is up to almost 44%

Navigating a Multi-Codec World:
https://www.streamingmedia.com/Articles/...45580.aspx

DVB Selects AV1 With AVS3 And VVC As Candidate Codecs For Standardization:
https://www.thebroadcastbridge.com/conte...ardization

Bitmovin’s AV1 Encoding Gift Guide:
https://bitmovin.com/av1-encoding-gift-guide/

Update: 2021-12-27:

Aurora1 AV1 Encoder - comparison with AVC:
https://www.visionular.com/en/products/a...v1-encoder
AVC@4mbps Vs Aurora1@1mbps

AV1 vs HEVC: Perceptual Evaluation of Video Encoders:
https://mile-high.video/files/mhv2018/pd...3_Wang.pdf
AV1 average bitrate saving of 30% compared to HEVC

A Method of Codec Comparison and Selection for Good Quality Video Transmission Over Limited-Bandwidth Networks:
https://www.ncbi.nlm.nih.gov/pmc/article...-04589.pdf
AV1 average bitrate saving of 37% compared to HEVC

Update: 2022-01-04:

Testing EVC, VVC, and LCEVC: How Do the Latest MPEG Codecs Stack Up?
https://www.streamingmedia.com/Articles/...eID=150729

So when VVC and AV1 are not tuned for VMAF, the former is merely few percent points better than the latter - and still VVC does not use grain synthesis and is royalty burden.

Update: 2022-01-05:

Intel To Ring In 2022 With New, Faster AV1 Encoder Release
https://www.phoronix.com/scan.php?page=a...-088&num=1

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  New themes
Posted by: spoRv - 2021-12-14, 11:27 AM - Forum: Announcements - Replies (8)

I released two new themes, light and dark, with revised logo.

I made the new light theme as default.

If you don't like it, you can always revert to the classic theme - go to the User CP/Your Profile/Edit Options

Please report eventual bugs, thanks!

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  Karate kid 3 uhd blu ray Dolby vision.
Posted by: jedimasterplo - 2021-12-14, 08:25 AM - Forum: Movies, TV shows and other - Replies (9)

I have a question is it possible for someone to fix everything not right with the Dolby vision grading of karate kid 3’s uhd blu ray?

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  Anatomy of a Murder (1959) Laserdisc [30701] Synced to UHD
Posted by: TheLoon - 2021-12-14, 02:18 AM - Forum: Released - Replies (4)

Hi folks - a laserdisc soundtrack for you all. The original mono, now perfectly synced to the 4K Blu-ray (which has a fake mono - actually a downmix of a 5.1 remix). PM for a link - enjoy!

[Image: PiFVAB6.jpg]


Tech Details:

FILE NAME:  AnatomyOfAMurder_LaserdiscUHDSync.wav
FILE SIZE:  1.72GB
DURATION:  02:40:35
AUDIO:  2.0 Mono LPCM - English - 48KHz - 16 Bit


Sources:

Audio
Anatomy of a Murder (Laserdisc - USA - 1992 - Cat: 30701)
Columbia Classics Collection: Volume 2 (4K UHD - USA - 2021 - Cat: UHDRPDA2131)


More info:
https://blah-ray.blogspot.com/2020/12/an...-1959.html

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  Ripping HD DVD Evo Files?
Posted by: alleycat - 2021-12-13, 11:50 AM - Forum: Capture and rip - Replies (10)

Has anyone got any experience with ripping these?

I don't have a drive but a friend ripped the TC of Troy with AnyDVD and sent me the files. The rip process seemed to go well without any errors.

First thing I did is attempted to demux with TS Muxer. The later versions of TSMuxer gave an error about not being able to read all of the files and the only option I had was a SD file. I then tried one of the earlier versions and that gave me the option of a HD stream. I demuxed that, it gave me a VC1 file but all I got from it was garbled video.

I then tried Evodemux, that gave me a message about the file being encrypted and that it needed decrypting first:

Code:
Opening file PEVOB_1.EVO
Reading...
File size: 11417 Mbytes.
This file is ENCRYPTED! Decrypt it before any process.
VOB number 4 contains 2 video , 5 audio and 4 subpicture streams.
PTM of first video frame = 00000DCB
PTM of last video frame = 1BA71DE9
Duration = 1:25:54.816
VC-1 video stream 0 found!
  First PTS = 00000DCB
  Substream id = 55
  Profile = Advanced
  Level = 3
  Chroma Format = 4:2:0
  Size = 1920x1080
  Display size = 1920x1080
  Aspect ratio = 1:1 (square samples)
  Frame Rate = 23.976 (24000/1001)
VC-1 video stream 1 found!
  First PTS = 00000DCB
  Substream id = 56
  Profile = Advanced
  Level = 2
  Chroma Format = 4:2:0
  Size = 720x480
  Display size = 720x480
  Aspect ratio = 40:33 (704x480 16:9)
  Frame Rate = 23.976 (24000/1001)
Dolby Digital Plus audio stream 3 found!
  First PTS = 00000DCB
  Substream id = C3
  Stream 3 is Dolby Digital Plus
  frame size = 768 bytes, number of blocks per frame = 6
  Sampling frequency = 48 kHz
  Transmission bitrate = 192 kbit/s
  Channel arrangement = L + R, bsid = 16
  LFE channel = not present
Dolby TrueHD audio stream 1 found!
  First PTS = 00000DCB
  Substream id = B1
  TrueHD stream (up to 8 channels)
  Sampling frequency = 48 kHz
  2 ch. decoder
      channel modifier = Stereo
  6 ch. decoder
      channel modifier = Stereo
      channel arrangement = Main (Left,Right), Centre, LFE, Surrounds (Ls/Rs)
  8 ch. decoder
      channel modifier = Stereo
      channel arrangement = Main (Left,Right), Centre, LFE, Surrounds (Ls/Rs)
  Dynamic range control = -10.6371 dB .. 8.4282 dB
Dolby Digital Plus audio stream 2 found!
  First PTS = 00000DCB
  Substream id = C2
  Stream 2 is Dolby Digital Plus
  frame size = 1280 bytes, number of blocks per frame = 3
  Sampling frequency = 48 kHz
  Transmission bitrate = 640 kbit/s
  Channel arrangement = L + R + C + Ls + Rs, bsid = 16
  LFE channel = present
Dolby Digital Plus audio stream 0 found!
  First PTS = 00000DCB
  Substream id = C0
  Stream 0 is Dolby Digital Plus
  frame size = 1280 bytes, number of blocks per frame = 3
  Sampling frequency = 48 kHz
  Transmission bitrate = 640 kbit/s
  Channel arrangement = L + R + C + Ls + Rs, bsid = 16
  LFE channel = present
Dolby Digital Plus audio stream 8 found!
  First PTS = 00002F8B  (+96ms)
  Substream id = C8
Subpicture stream 3 found!
  First PTS = 00333CBA  (+37270ms)
  Substream id = 23
  Format = 8bitRLE
Subpicture stream 2 found!
  First PTS = 00333CBA  (+37270ms)
  Substream id = 22
  Format = 8bitRLE
Subpicture stream 1 found!
  First PTS = 00836151  (+95628ms)
  Substream id = 21
  Format = 8bitRLE
Subpicture stream 0 found!
  First PTS = 0083903D  (+95762ms)
  Substream id = 20
  Format = 8bitRLE
.
Opening file PEVOB_2.EVO
Reading...
File size: 8972 Mbytes.
This file is ENCRYPTED! Decrypt it before any process.
VOB number 5 contains 2 video , 5 audio and 4 subpicture streams.
PTM of first video frame = 1BA71DE9
PTM of last video frame = 3465D84B
Duration = 1:16:52.808
VC-1 video stream 0 found!
  First PTS = 1BA71DE9  (+5154816ms)
  Substream id = 55
  Profile = Advanced
  Level = 3
  Chroma Format = 4:2:0
  Size = 1920x1080
  Display size = 1920x1080
  Aspect ratio = 1:1 (square samples)
  Frame Rate = 23.976 (24000/1001)
Dolby TrueHD audio stream 1 found!
  First PTS = 1BA709D0  (+5154759ms)
  Substream id = B1
Dolby Digital Plus audio stream 3 found!
  First PTS = 1BA7128B  (+5154784ms)
  Substream id = C3
  Stream 3 is Dolby Digital Plus
  frame size = 768 bytes, number of blocks per frame = 6
  Sampling frequency = 48 kHz
  Transmission bitrate = 192 kbit/s
  Channel arrangement = L + R, bsid = 16
  LFE channel = not present
VC-1 video stream 1 found!
  First PTS = 1BA71DE9  (+5154816ms)
  Substream id = 56
  Profile = Advanced
  Level = 2
  Chroma Format = 4:2:0
  Size = 720x480
  Display size = 720x480
  Aspect ratio = 40:33 (704x480 16:9)
  Frame Rate = 23.976 (24000/1001)
Dolby Digital Plus audio stream 0 found!
  First PTS = 1BA7128B  (+5154784ms)
  Substream id = C0
  Stream 0 is Dolby Digital Plus
  frame size = 1280 bytes, number of blocks per frame = 3
  Sampling frequency = 48 kHz
  Transmission bitrate = 640 kbit/s
  Channel arrangement = L + R + C + Ls + Rs, bsid = 16
  LFE channel = present
Dolby Digital Plus audio stream 2 found!
  First PTS = 1BA71DCB  (+5154816ms)
  Substream id = C2
Dolby Digital Plus audio stream 8 found!
  First PTS = 1BA71DCB  (+5154816ms)
  Substream id = C8
  Stream 8 is Dolby Digital Plus
  frame size = 768 bytes, number of blocks per frame = 6
  Sampling frequency = 48 kHz
  Transmission bitrate = 192 kbit/s
  Channel arrangement = L + R, bsid = 16
  LFE channel = not present
Subpicture stream 3 found!
  First PTS = 1BA98BA0  (+5156584ms)
  Substream id = 23
  Format = 8bitRLE
Subpicture stream 2 found!
  First PTS = 1BA98BA0  (+5156584ms)
  Substream id = 22
  Format = 8bitRLE
Subpicture stream 0 found!
  First PTS = 1BA9A316  (+5156651ms)
  Substream id = 20
  Format = 8bitRLE
Subpicture stream 1 found!
  First PTS = 1BA9AED1  (+5156684ms)
  Substream id = 21
  Format = 8bitRLE
Done.

921 counted frames (0:00:38.413) in video stream 0.
234189 calculated frames in video stream 0.
1172 counted frames (0:00:48.882) in video stream 1.
234189 calculated frames in video stream 1.

Reading HVA00001.VTI
13 VTS_EVOB_ATRs found.
13 VTS_EVOBIs found.
Done.

Evodemux still let me proceed but again garbled video.

I then tried a program called BackupHDDVDGUI_0.5. That has a key database (189 movies in total) and it lists Troy as an option. I had to make an ISO file from the digital files I have, mount that and then point BackupHDDVDGUI_0.5 to that drive. That then gave me the following error:

Code:
Backup HD-DVD V1.00 (C# Port) Starting
Testing source
Found valid HD-DVD source.
Disc Hash: 3624DEC53823E6B934413339F4F0733067700C95
Look for this movie in my database
Could not find this movie in my database. Please update your key file.

The disc hash for Troy in the BackupHDDVDGUI_0.5 database is different, it's F1E5D1838BC981C160DBD54ABEE09F7D39513CB7. It looks like the DC and TC of Troy were released on HDDVD, so I'm thinking maybe they only decrypted the DC and the key was never cracked for the TC?

The other program I've read about people using is DVDFab, but that didn't recognise any of the files or the ISO.

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  Are Adywan’s Star Wars revisited lightsabers going to look like this?
Posted by: jedimasterplo - 2021-12-13, 01:39 AM - Forum: Movies, TV shows and other - No Replies

https://www.youtube.com/watch?v=3dkGJxercO4

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Heart salutations
Posted by: Artyom - 2021-12-12, 03:57 PM - Forum: Presentation - Replies (1)

Found this site while looking for anime and movie recuts, lots of great work here, keep it up!

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  New layout - BETA TEST!
Posted by: spoRv - 2021-12-11, 11:17 PM - Forum: Announcements - Replies (3)

In few minutes I'm going to reorganize the forum layout - not a revolutionary change, and no forums/subforums will be deleted, only sorted in a different way.

The new layout is in beta test until the end of the year; if there will be enough positive response, I'll keep it - if not, I'll revert back to the old one.

Personally I think the new layout is cleaner, but it's up to you to decide that... so, vote vote VOTE!

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  VHS cleanup/restoration
Posted by: Mediahead - 2021-12-11, 06:59 PM - Forum: Audio and video editing - Replies (4)

Not sure the correct topic to post this under, so move it if necessary..

This is just my experiments to make something recorded on VHS more watchable in the 21st century.
Since the footage was 24p, I am going for a film look here, and grain helps mask a lack of detail so I used that here.

Original VHS (encoded in MPEG-2)
[Image: vlcsnap-2021-12-11-10h42m50s278.png]

My Cleanup:
[Image: KILER2-NEATVIDEO-00-00-22-09-Still001.png]

I did some color correction, IVTC,  cropping out the parts the VHS rendered unusable, and used everyone's favourite boogeyman tool, AI Up-scaling to remove the compression artifacts from MPEG-2 and try to make the haloing/ringing a bit better. Let me know what you think

For those curious, the series I used for the comparison is The Chris Isaak Show. Not really my type of thing, but I was thinking of restoring it for my father and he only has it/it only seems to be available on a bootleg set sourced from VHS/Composite into DVD recorder recordings.

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