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 Posted: Sun, 21st Jun 2009 10:03 Post subject: XvidHD |
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So whats with these XvidHD releases by NPW?
They offer 720p resolution, and they are half the size of the normal x264 releases, the video bitrate seems to be lower but I can't find any discernable differences between the two.
Can anyone please enlighten me ?
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| Posted: Sun, 21st Jun 2009 10:43 Post subject: |
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| Posted: Sun, 21st Jun 2009 13:14 Post subject: |
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It's encoded using the Xvid codec instead of the x264. It's labeled HD because the reolution is higher than a 'normal' Xvid enncode. If you don't care about filesize, x264 will be better. If that matters, those Xvid BDrips might be a solution.
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LeoNatan
☢ NFOHump Despot ☢
Posts: 73331
Location: Ramat HaSharon, Israel 🇮🇱
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| Posted: Sun, 21st Jun 2009 15:03 Post subject: |
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The only good thing going for these releases is size and speed, meaning you can run them on your grandma's P3. Other than that, quality is pretty awful, there is macroblocking, smearing, lack of color fidelity, etc.
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| Posted: Sun, 21st Jun 2009 15:13 Post subject: |
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hmmmmmmmmmm.........
But still heaps better then your normal dvdrips right ?
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LeoNatan
☢ NFOHump Despot ☢
Posts: 73331
Location: Ramat HaSharon, Israel 🇮🇱
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| Posted: Sun, 21st Jun 2009 15:25 Post subject: |
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Generally, I'd actually say no, hell no. Consider the bits per pixel of both releases. While in static scenes, you'd see a clear difference in favor of the "XvidHD" (what a silly title), in most motion scenes, you would really feel the lack of quality.
 Spoiler: | The formula:
Bitrate = (Width * Height * FPS * BPP) / 1024
Can be transformed to:
BPP = (1024 * Bitrate) / (Width * Height * FPS)
It is then as simple as imputing the variables to see which is better (the higher bpp the better).  |
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