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  1. I just checked the properties and it says the Source Video info is 720x288
    Image
    [Attachment 60878 - Click to enlarge]
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  2. Just for the fun of it I tried what the BasicVSR++ and it's Models:
    3 = NTIRE 2021 Quality enhancement of heavily compressed videos Challenge - Track 1
    4 = NTIRE 2021 Quality enhancement of heavily compressed videos Challenge - Track 2
    5 = NTIRE 2021 Quality enhancement of heavily compressed videos Challenge - Track 3
    would do to the first Sample.avi source.
    I used:
    Code:
    # Imports
    import os
    import sys
    import ctypes
    # Loading Support Files
    Dllref = ctypes.windll.LoadLibrary("I:/Hybrid/64bit/vsfilters/Support/libfftw3f-3.dll")
    import vapoursynth as vs
    # getting Vapoursynth core
    core = vs.core
    # Import scripts folder
    scriptPath = 'I:/Hybrid/64bit/vsscripts'
    sys.path.insert(0, os.path.abspath(scriptPath))
    # Loading Plugins
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SharpenFilter/CAS/CAS.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/DenoiseFilter/CTMF/CTMF.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/DenoiseFilter/HQDN3D/libhqdn3d.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/DenoiseFilter/NEO_FFT3DFilter/neo-fft3d.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libtemporalmedian.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libmvtools.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")
    # Import scripts
    import SpotLess
    import adjust
    import havsfunc
    # source: 'C:\Users\Selur\Desktop\Sample.avi'
    # current color space: YUV420P8, bit depth: 8, resolution: 720x576, fps: 50, color matrix: 470bg, yuv luminance scale: limited, scanorder: progressive
    # Loading C:\Users\Selur\Desktop\Sample.avi using LWLibavSource
    clip = core.lsmas.LWLibavSource(source="C:/Users/Selur/Desktop/Sample.avi", format="YUV420P8", cache=0, fpsnum=50, prefer_hw=0)
    # making sure input color matrix is set as 470bg
    clip = core.resize.Bicubic(clip, matrix_in_s="470bg",range_s="limited")
    # making sure frame rate is set to 50
    clip = core.std.AssumeFPS(clip=clip, fpsnum=50, fpsden=1)
    # Setting color range to TV (limited) range.
    clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)
    # cropping the video to 688x568
    clip = core.std.CropRel(clip=clip, left=20, right=12, top=0, bottom=8)
    # adjusting frame count and rate with sRestore
    clip = havsfunc.srestore(source=clip, frate=25.000, omode=6, speed=9, thresh=16, mode=2)
    # adjusting color space from YUV420P8 to RGB24 for vsLevels
    clip = core.resize.Bicubic(clip=clip, format=vs.RGB24, matrix_in_s="470bg", range_s="limited")
    # Color Adjustment using Levels on RGB24 (8 bit)
    clip = core.std.Levels(clip=clip, min_in=16, max_in=255, min_out=0, max_out=235, gamma=1.25)
    # adjusting color space from RGB24 to YUV444P8 for vsTweak
    clip = core.resize.Bicubic(clip=clip, format=vs.YUV444P8, matrix_s="470bg", range_s="limited")
    # Color Adjustment
    clip = adjust.Tweak(clip=clip, hue=0.00, sat=0.00, cont=1.00, coring=True)
    clip = SpotLess.SpotLess(clip=clip, chroma=False, radT=3)
    # removing grain using TemporalDegrain
    clip = havsfunc.TemporalDegrain(inpClip=clip)
    # adjusting color space from YUV444P8 to RGBS for vsBasicVSRPPFilter
    clip = core.resize.Bicubic(clip=clip, format=vs.RGBS, matrix_in_s="470bg", range_s="limited")
    # Quality enhancement using BasicVSR++
    from vsbasicvsrpp import BasicVSRPP
    clip = BasicVSRPP(clip=clip, model=3, tile_x=352, tile_y=296) # changed the model
    # contrast sharpening using CAS
    clip = core.cas.CAS(clip=clip, sharpness=0.800)
    # adjusting output color from: RGBS to YUV420P10 for x265Model
    clip = core.resize.Bicubic(clip=clip, format=vs.YUV420P10, matrix_s="470bg", range_s="limited")
    # set output frame rate to 25.000fps
    clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
    # Output
    clip.set_output()
    See attachments for x265 crf18 encodes.

    Also had a quick test with some mild filtering at TEST2.avi.
    Code:
    # cropping the video to 680x570
    clip = core.std.CropRel(clip=clip, left=20, right=20, top=0, bottom=6)
    # Color Adjustment
    clip = adjust.Tweak(clip=clip, hue=0.00, sat=0.00, cont=1.00, coring=False)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = SpotLess.SpotLess(clip=clip, chroma=False, radT=1)
    # applying anti aliasing using santiag
    clip = core.std.FlipVertical(clip)
    clip = havsfunc.santiag(c=clip, nns=3, pscrn=1, opencl=True)
    Cu Selur

    Ps.: I agree ideally the capturing should be done properly
    Image Attached Files
    Last edited by Selur; 22nd Sep 2021 at 15:06.
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  3. Ok, i have sorted my half size capture, i re-installed the drivers for the dazzle, and it is now capturing in a better resolution. i have attached another capture, this time it is shorter as i think it is using more data because of more resolution. I am a lot happier now, i notice a massive difference when viewing the dvd screen settings via the capture device.Image
    [Attachment 60888 - Click to enlarge]
    Image Attached Files
    Last edited by DMS; 22nd Sep 2021 at 16:12.
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  4. Member DB83's Avatar
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    Yes. You have some 33% more video bitrate now and the picture is not showing the aliasing. I guess that the chief culprit was the Dazzle.


    Does your Panny offer some noise reduction since that appears to be one concern right now. TBH I have never seen a VHS capture with so much noise. Maybe I have been lucky in that regard.
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  5. Member DB83's Avatar
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    Well it may not be common knowledge in this forum but I do like a glass (or 6) of the red grape.


    I had an offer to get 9 Will Hay filums on 5 vhs for the staggering cost of £7 + PP. At that point the fingers did the talking


    Should get them next week (or earlier). I am curious if I can improve with simple raw captures. Watch this space.
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  6. Yup, that one looks better, attached a version using similar light filtering as before:
    Code:
    # Imports
    import os
    import sys
    import vapoursynth as vs
    # getting Vapoursynth core
    core = vs.core
    # Import scripts folder
    scriptPath = 'I:/Hybrid/64bit/vsscripts'
    sys.path.insert(0, os.path.abspath(scriptPath))
    # Loading Plugins
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SharpenFilter/AWarpSharp2/libawarpsharp2.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/DenoiseFilter/CTMF/CTMF.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SharpenFilter/CAS/CAS.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libsangnom.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/fmtconv.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/EEDI3.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/EEDI2.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/vsznedi3.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libtemporalmedian.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libmvtools.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")
    # Import scripts
    import havsfunc
    import mvsfunc
    import SpotLess
    import lostfunc
    import adjust
    # source: 'C:\Users\Selur\Desktop\AAP TEST2.avi'
    # current color space: YUV422P8, bit depth: 8, resolution: 720x576, fps: 25, color matrix: 470bg, yuv luminance scale: limited, scanorder: progressive
    # Loading C:\Users\Selur\Desktop\AAP TEST2.avi using LWLibavSource
    clip = core.lsmas.LWLibavSource(source="C:/Users/Selur/Desktop/AAP TEST2.avi", format="YUV422P8", cache=0, prefer_hw=0)
    # making sure input color matrix is set as 470bg
    clip = core.resize.Bicubic(clip, matrix_in_s="470bg",range_s="limited")
    # making sure frame rate is set to 25
    clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
    # Setting color range to TV (limited) range.
    clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)
    # Color Adjustment
    clip = adjust.Tweak(clip=clip, hue=0.00, sat=0.00, cont=1.00, coring=True)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = SpotLess.SpotLess(clip=clip, chroma=False, radT=1)
    # cropping the video to 686x572
    clip = core.std.CropRel(clip=clip, left=18, right=16, top=0, bottom=4)
    # applying anti aliasing using santiag
    clip = havsfunc.santiag(c=clip, pscrn=2)
    # contrast sharpening using CAS
    clip = core.cas.CAS(clip=clip, sharpness=0.900)
    # applying dehalo using YAHR
    clip = havsfunc.YAHR(clip)
    # adjusting output color from: YUV422P8 to YUV420P10 for x265Model
    clip = core.resize.Bicubic(clip=clip, format=vs.YUV420P10, range_s="limited")
    # set output frame rate to 25.000fps
    clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
    # Output
    clip.set_output()
    Cu Selur
    Image Attached Files
    users currently on my ignore list: deadrats, Stears555
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  7. Originally Posted by DB83 View Post
    Yes. You have some 33% more video bitrate now and the picture is not showing the aliasing. I guess that the chief culprit was the Dazzle.


    Does your Panny offer some noise reduction since that appears to be one concern right now. TBH I have never seen a VHS capture with so much noise. Maybe I have been lucky in that regard.
    It does have a NR option but it is off.
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  8. Originally Posted by DB83 View Post
    Well it may not be common knowledge in this forum but I do like a glass (or 6) of the red grape.


    I had an offer to get 9 Will Hay filums on 5 vhs for the staggering cost of £7 + PP. At that point the fingers did the talking


    Should get them next week (or earlier). I am curious if I can improve with simple raw captures. Watch this space.
    Im sure you will enjoy therm, Oh, Mr. Porter! is a classic.
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  9. Originally Posted by Selur View Post
    Yup, that one looks better, attached a version using similar light filtering as before:
    Code:
    # Imports
    import os
    import sys
    import vapoursynth as vs
    # getting Vapoursynth core
    core = vs.core
    # Import scripts folder
    scriptPath = 'I:/Hybrid/64bit/vsscripts'
    sys.path.insert(0, os.path.abspath(scriptPath))
    # Loading Plugins
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SharpenFilter/AWarpSharp2/libawarpsharp2.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/DenoiseFilter/CTMF/CTMF.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SharpenFilter/CAS/CAS.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libsangnom.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/fmtconv.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/EEDI3.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/EEDI2.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/vsznedi3.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libtemporalmedian.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/Support/libmvtools.dll")
    core.std.LoadPlugin(path="I:/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")
    # Import scripts
    import havsfunc
    import mvsfunc
    import SpotLess
    import lostfunc
    import adjust
    # source: 'C:\Users\Selur\Desktop\AAP TEST2.avi'
    # current color space: YUV422P8, bit depth: 8, resolution: 720x576, fps: 25, color matrix: 470bg, yuv luminance scale: limited, scanorder: progressive
    # Loading C:\Users\Selur\Desktop\AAP TEST2.avi using LWLibavSource
    clip = core.lsmas.LWLibavSource(source="C:/Users/Selur/Desktop/AAP TEST2.avi", format="YUV422P8", cache=0, prefer_hw=0)
    # making sure input color matrix is set as 470bg
    clip = core.resize.Bicubic(clip, matrix_in_s="470bg",range_s="limited")
    # making sure frame rate is set to 25
    clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
    # Setting color range to TV (limited) range.
    clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)
    # Color Adjustment
    clip = adjust.Tweak(clip=clip, hue=0.00, sat=0.00, cont=1.00, coring=True)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = lostfunc.DeSpot(o=clip)
    clip = SpotLess.SpotLess(clip=clip, chroma=False, radT=1)
    # cropping the video to 686x572
    clip = core.std.CropRel(clip=clip, left=18, right=16, top=0, bottom=4)
    # applying anti aliasing using santiag
    clip = havsfunc.santiag(c=clip, pscrn=2)
    # contrast sharpening using CAS
    clip = core.cas.CAS(clip=clip, sharpness=0.900)
    # applying dehalo using YAHR
    clip = havsfunc.YAHR(clip)
    # adjusting output color from: YUV422P8 to YUV420P10 for x265Model
    clip = core.resize.Bicubic(clip=clip, format=vs.YUV420P10, range_s="limited")
    # set output frame rate to 25.000fps
    clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
    # Output
    clip.set_output()
    Cu Selur
    Thats looks really good, i may have a try at replicating it using your code, i do have your hybrid software but not really tried it it out yet, im not up to speed with AVisynth scripts and i think Hybrid will help me understand the filters a bit better.

    Cheers

    DMS
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  10. Member DB83's Avatar
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    Originally Posted by DMS View Post
    Originally Posted by DB83 View Post
    Well it may not be common knowledge in this forum but I do like a glass (or 6) of the red grape.


    I had an offer to get 9 Will Hay filums on 5 vhs for the staggering cost of £7 + PP. At that point the fingers did the talking


    Should get them next week (or earlier). I am curious if I can improve with simple raw captures. Watch this space.
    Im sure you will enjoy therm, Oh, Mr. Porter! is a classic.


    I'm sure I will. Would probably have seen all the well-known ones at one time or another. Like I said, this is more of an exercise since I could have acquired a dvd set (also used) for approx. the same price or a new one for just a little more. I am beginning to think now that the youtube version is also from vhs so quite curious about what I eventually see.
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  11. Originally Posted by DB83 View Post
    Originally Posted by DMS View Post
    Originally Posted by DB83 View Post
    Well it may not be common knowledge in this forum but I do like a glass (or 6) of the red grape.


    I had an offer to get 9 Will Hay filums on 5 vhs for the staggering cost of £7 + PP. At that point the fingers did the talking


    Should get them next week (or earlier). I am curious if I can improve with simple raw captures. Watch this space.
    Im sure you will enjoy therm, Oh, Mr. Porter! is a classic.


    I'm sure I will. Would probably have seen all the well-known ones at one time or another. Like I said, this is more of an exercise since I could have acquired a dvd set (also used) for approx. the same price or a new one for just a little more. I am beginning to think now that the youtube version is also from vhs so quite curious about what I eventually see.
    If i remember rightly the DVD releases were just the same as the VHS, they were not restored, the only restored Will Hay film available is 'The Goose Steps Out' which was released on DVD & Bluray. There were rumours of Oh Mr Porter being restored and released but nothing has surfaced yet.
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  12. im not up to speed with AVisynth scripts
    just for clarification that's a Vapoursynth not Avisynth script
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  13. Member DB83's Avatar
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    So my tapes arrived today (exc. service from the seller) and I could not wait.


    Now what follows is only meant for comparison purposes and not a source for further noise reduction (not that I normally bother with that)


    Two versions which join two extracts as posted earlier. The first (Cap001) is straight from the vcr (composite) in to my Hauppauge USB-Live2. The second (Cap002) is minimally filtered by diverting the signal from the vcr through an ADVC 300. Both were captured with the default WinTv7 software.


    Comments about the comparison (and nothing else) are welcome.
    Image Attached Files
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  14. Why are you posting MPG files? Neither of those devices captures MPEG 2 video. So your files have been through processing which may have created some of the problems that can be seen in them.

    About the only thing that can be said is that cap001.mpg is brighter and has crushed brights. cap002.mpg has less horizontal time base jitter. So cap002 wins on both accounts.
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  15. Member DB83's Avatar
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    Nope.


    Mpeg-2 is the default capture format for WinTV (and Hauppuage Capture which also supports the device). Win7 actually captures as a mpeg2 transport stream and there is an option to demux that (in a matter of seconds) to program stream. The ADVC was just used for 'Pass Through' purposes and I would have expected some improvement there.


    This was not intended as a comparison between the two captures I uploaded but against those from the OP in terms of brightness and picture disturbance.
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  16. Oh, sorry. I was thinking of the Hauppauge HDPVR 2 (which captures as AVC).

    Something I noticed about the ADVC passthrough was that it creates lots of sporadic black dots, especially in dark areas.
    Last edited by jagabo; 26th Sep 2021 at 09:45.
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  17. i just did a comparison capture of the same footage using a direct composite connection from the vcr and the bitrate is higher than when i captured using an svideo connection via the dvd passthrough, what is the reason for this?

    Image
    [Attachment 61115 - Click to enlarge]
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    The composite signal more noisy, so Lagarith can't manage to compress the data as well.
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  19. Originally Posted by ajk View Post
    The composite signal more noisy, so Lagarith can't manage to compress the data as well.
    I thought that might be the case, thank you.
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  20. One more thing, can someone explain why the Histogram in VirtualDub goes jaggy when i change the contrast by one position?
    Image Attached Thumbnails Click image for larger version

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  21. Originally Posted by DMS View Post
    One more thing, can someone explain why the Histogram in VirtualDub goes jaggy when i change the contrast by one position?
    The video is stored as integers, both before and after the filter. When you increase the contrast you are multiplying those integers by some amount. Say for example you are multiplying by 2. Then pixels with brightness values of 1, 2, 3, 4, 5 become 2, 4, 6, 8, 10. Notice there is now a gap between each of the new values. And there's no original value which can give you at 3, 5, 7, or 9. That's what's happening. In your case the values are being multiplied by about 1.05.
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  22. Originally Posted by jagabo View Post
    Originally Posted by DMS View Post
    One more thing, can someone explain why the Histogram in VirtualDub goes jaggy when i change the contrast by one position?
    The video is stored as integers, both before and after the filter. When you increase the contrast you are multiplying those integers by some amount. Say for example you are multiplying by 2. Then pixels with brightness values of 1, 2, 3, 4, 5 become 2, 4, 6, 8, 10. Notice there is now a gap between each of the new values. And there's no original value which can give you at 3, 5, 7, or 9. That's what's happening. In your case the values are being multiplied by about 1.05.
    Thanks Jagabo, so thereís nothing actually wrong itís supposed to be like that?
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  23. It's the expected result. Some more more advanced proc amp filters use dithering to "fill in" those gaps (less chance of posterization artifacts). I don't know if there are any for VirtualDub.
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  24. Originally Posted by jagabo View Post
    It's the expected result. Some more more advanced proc amp filters use dithering to "fill in" those gaps (less chance of posterization artifacts). I don't know if there are any for VirtualDub.
    ok thanks again.
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  25. Just wondering if any of you would like to review the attached files and let me me know which one you think is the better of the 3?

    Thanks in advance.
    Image Attached Files
    • File Type: avi 2.avi (470.32 MB, 18 views)
    • File Type: avi 3.avi (457.85 MB, 7 views)
    • File Type: avi 4.avi (374.34 MB, 8 views)
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  26. Originally Posted by DMS View Post
    Just wondering if any of you would like to review the attached files and let me me know which one you think is the better of the 3?
    To my taste all 3 look oversharpened. Did you apply a sharpening filter?
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  27. Member DB83's Avatar
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    I would probably be the last person to judge this since I am 'biased'


    Out of the 3, I would choose 4.avi (and I await all to disagree with me - although I think my modest captures are lighter with little to no filtering (Hauppauge proc-amp not used) as far as brightness was concerned
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  28. Originally Posted by Sharc View Post
    Originally Posted by DMS View Post
    Just wondering if any of you would like to review the attached files and let me me know which one you think is the better of the 3?
    To my taste all 3 look oversharpened. Did you apply a sharpening filter?
    Hi Sharc

    No sharpening filter was used in the capture software and the proc amp sharpening was set to zero.

    All 3 were captured as follows

    VCR Scart > Panasonic EH50 svideo > Dazzle > Virtualdub2 lagarith.

    Capture2 had no settings on in the Panasonic
    Capture3 had NR and Combfilter on
    Capture4 recorded to Panasonic HHD with NR and Combfilter on then captured by the dazzle.

    I couldnít tell any difference if Iím honest. Iím wondering if the Panasonic is sharpening it when it converts from composite to svideo?
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  29. Originally Posted by DB83 View Post
    I would probably be the last person to judge this since I am 'biased'


    Out of the 3, I would choose 4.avi (and I await all to disagree with me - although I think my modest captures are lighter with little to no filtering (Hauppauge proc-amp not used) as far as brightness was concerned
    I might up the brightness a bit see if that helps, details of the captures are in the previous post. I will continue to experiment, Iím not sure using this old film is helping, maybe I should try a newer clip in colour.
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  30. Capture 2 has the most recoverable detail, capture 4 the least.
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