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older MPEG2 codec used on DVD (or comparable quality at lower bitrates). Content that might have been over-compressed on DVD with noticeable compression artifacts need not exhibit those artifacts on Blu-ray, resulting in a more faithful and detailed reproduction of the original source master. However, the playback quality of an SD encode can vary depending on the upscaling quality of the viewer's own equipment and will generally not be as good as a pre-upscaled encoding.
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available for the video. In contrast, Blu-ray supports lossless multi-channel audio in multiple formats and the larger storage makes its inclusion much more practical without impacting video quality. Several standard definition concert recordings have been released on Blu-ray to take advantage of the superior sound quality available, despite there being little benefit to the video.
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Despite being the same resolution, SD video presented on Blu-ray has the potential to look better than the DVD equivalent due to the availability of superior video codecs and higher bitrates. The AVC and VC-1 codecs available for Blu-ray both offer superior picture quality at a given bitrate than the
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This is often due to the highest quality version of the feature content only being available in standard definition. This can include content that was shot on standard definition video, animation produced digitally in standard definition, or a television program that was shot on film but edited onto
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Blu-ray Disc titles can combine standard definition video with high definition audio tracks. Lossless audio is more practical and flexible on Blu-ray than on DVD, which only supports lossless PCM in 48 kHz stereo and requires a relatively large amount of data, leaving less storage space
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SD video with the original film subsequently lost or impractical to re-transfer. Standard definition content uses much less disc space than a
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would, reducing the number of discs required, and the manufacturing costs in turn, for longer titles. The "SD on BD" release of
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144:"White Paper: Blu-ray Disc Read-Only Format: 2.B Audio Visual Application Format Specifications for BD-ROM Version 2.5"
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118:"Samurai Pizza Cats - 'The Complete Collection SD-on-BD': DVD Quality, But On a Blu-ray Disc"
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75:"Answerman - What Determines Whether An Older Show Should Be Released as SD-BD?"
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177:"Doctor Who: Sylvester McCoy: Complete Season Three Blu-ray Review"
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149:. Blu-ray Disc Association. July 2011. Archived from
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203:"Bee Gees: One Night Only Blu-ray Review"
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31:video found on typical Blu-ray discs.
73:Sevakis, Justin (19 September 2018).
201:Kauffman, Jeffrey (21 August 2013).
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23:disc on which the main feature is
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175:Kauffman, Jeffrey (4 May 2020).
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120:. 2016-04-16. Archived from
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25:standard-definition video
100:"Animeigo Sweet Spots"
249:Broadcast engineering
37:pre-rendered upscale
244:Digital television
156:on 28 October 2015
79:Anime News Network
42:Samurai Pizza Cats
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124:on 16 April 2016
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239:Blu-ray Disc
210:. Retrieved
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82:. Retrieved
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207:Blu-ray.com
181:Blu-ray.com
228:Categories
57:References
19:disc is a
17:SD Blu-ray
128:12 March
104:Animeigo
160:29 July
21:Blu-ray
212:12 May
186:12 May
84:12 May
154:(PDF)
147:(PDF)
214:2020
188:2020
162:2015
130:2023
86:2020
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65:^
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