What is the difference between Blu-ray and DVD?

What is the difference between Blu-ray and DVD?

What is the difference between Blu-ray and DVD?

 

Parameters
Blu-ray
DVD
Storage capacity 25GB (single-layer)
50GB (dual-layer)		 4.7GB (single-layer)
8.5GB (dual-layer)
Laser wavelength 405nm (blue laser) 650nm (red laser)
Numerical aperture (NA) 0.85 0.60
Disc diameter
Disc thickness		 120mm
1.2mm		 120mm
1.2mm
Protection layer
Hard coating		 0.1mm
Yes		 0.6mm
No
Track pitch 0.32µm 0.74µm
Data transfer rate (data)
Data transfer rate (video/audio)		 36.0Mbps (1x)
54.0Mbps (1.5x)		 11.08Mbps (1x)
10.08Mbps (<1x)
Video resolution (max)
Video bit rate (max)		 1920×1080 (1080p)
40.0Mbps		 720×480/720×576 (480i/576i)
9.8Mbps
Video codecs MPEG-2
MPEG-4 AVC
SMPTE VC-1		 MPEG-2
-
-
Audio codecs Linear PCM
Dolby Digital
Dolby Digital Plus
Dolby TrueHD
DTS Digital Surround
DTS-HD		 Linear PCM
Dolby Digital
DTS Digital Surround
-
-
-
Interactivity BD-J DVD-Video

 

More information,please see Blu-ray FAQ

 

Blu-ray Movie and player

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Category Blu-ray DVD Last Update Jan,23,2010 Views : 4155
Permalinkshttps://bluray-dvd-software-blog.ampayer.com/blu-ray-dvd/blu-ray-vs-dvd/
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