Απο το http://www.avsforum.com/avs-vb/showthread.php?t=739846 βρηκα το πολυ ενδιαφερον και Up-tο-date post που γινεται μια αντικειμενικη συγκριση των δυο φορμα:
Studio Support (Exclusive)
HD-DVD: Universal, New Line, Warner, Paramount, HBO Films
BD-Disc: Sony, Disney, MGM, 20th Century Fox, Lions Gate, Warner, Paramount
Maximum Disc Size
HD-DVD: 30gb (45gb awaiting future HD-DVD Forum approval for HD Video playback)*
BD-Disc: 50gb (100gb - and up to 200gb theoretical for data storage purposes)*
Hardware Support Consumer Electronics (to date)
HD-DVD: Toshiba, RCA (Toshiba OEM), Microsoft (XBox 360 + HD-DVD Add-On)
BD-Disc: Sony (Pioneer OEM), Sony (PS3), Samsung (Philips OEM), Philips, Panasonic, Pioneer
Current Consumer Electronics Hardware Generation
HD-DVD: Generation 2
BD-Disc: Generation 1
Hardware Support PC (Complete Systems or Laptops)
HD-DVD: Toshiba, HP, Fujitsu, Acer
BD-Disc: Sony, Fujitsu
Lowest Priced Stand-Alone Player (MSRP)
HD-DVD: $499
BD-Disc: $999
Prefered (most commonly used) Video Codec (US)
HD-DVD: VC-1
BD-Disc: MPEG-2
Maximum Potential Bandwidth
HD-DVD: 30Mbps (10 - 15Mbps approx. available overhead using Prefered Video Codec)
BD-Disc: 48Mbps (10 - 15Mbps approx. available overhead using Prefered Video Codec)**
Mandatory Audio Support
HD-DVD: Dolby Digital, Dolby Digital+, TrueHD (2.0), DTS, LDPCM
BD-Disc: Dolby Digital, DTS, LCPCM
Internet/Networking Support
HD-DVD: Standard
BD-Disc: Optional (supported in optional BD-Live specification)*
Secondary Video Decoder (Picture in Picture Features)
HD-DVD: Standard
BD-Disc: Optional (supported in optional BD-Live specification)*
Persistent Storage
HD-DVD: Standard (128mb - supports additional supplementary storage - USB, etc.)
BD-Disc: Minimal (64k for basic bookmark storage required) (larger storage required for optional BD-Live specification)*
Interactivity
HD-DVD: HDi (based on established web-standards)
BD-Disc: BDJava (Java-based - only required after June 2007 - no discs currently use this feature, so is untested in all players)*
** While controversial, this shows the benefits of using more advanced codecs such as VC-1 and h.264 on BD-Disc, as they can increase the potential headroom and allow for additional features.
Studio Support (Exclusive)
HD-DVD: Universal, New Line, Warner, Paramount, HBO Films
BD-Disc: Sony, Disney, MGM, 20th Century Fox, Lions Gate, Warner, Paramount
Maximum Disc Size
HD-DVD: 30gb (45gb awaiting future HD-DVD Forum approval for HD Video playback)*
BD-Disc: 50gb (100gb - and up to 200gb theoretical for data storage purposes)*
Hardware Support Consumer Electronics (to date)
HD-DVD: Toshiba, RCA (Toshiba OEM), Microsoft (XBox 360 + HD-DVD Add-On)
BD-Disc: Sony (Pioneer OEM), Sony (PS3), Samsung (Philips OEM), Philips, Panasonic, Pioneer
Current Consumer Electronics Hardware Generation
HD-DVD: Generation 2
BD-Disc: Generation 1
Hardware Support PC (Complete Systems or Laptops)
HD-DVD: Toshiba, HP, Fujitsu, Acer
BD-Disc: Sony, Fujitsu
Lowest Priced Stand-Alone Player (MSRP)
HD-DVD: $499
BD-Disc: $999
Prefered (most commonly used) Video Codec (US)
HD-DVD: VC-1
BD-Disc: MPEG-2
Maximum Potential Bandwidth
HD-DVD: 30Mbps (10 - 15Mbps approx. available overhead using Prefered Video Codec)
BD-Disc: 48Mbps (10 - 15Mbps approx. available overhead using Prefered Video Codec)**
Mandatory Audio Support
HD-DVD: Dolby Digital, Dolby Digital+, TrueHD (2.0), DTS, LDPCM
BD-Disc: Dolby Digital, DTS, LCPCM
Internet/Networking Support
HD-DVD: Standard
BD-Disc: Optional (supported in optional BD-Live specification)*
Secondary Video Decoder (Picture in Picture Features)
HD-DVD: Standard
BD-Disc: Optional (supported in optional BD-Live specification)*
Persistent Storage
HD-DVD: Standard (128mb - supports additional supplementary storage - USB, etc.)
BD-Disc: Minimal (64k for basic bookmark storage required) (larger storage required for optional BD-Live specification)*
Interactivity
HD-DVD: HDi (based on established web-standards)
BD-Disc: BDJava (Java-based - only required after June 2007 - no discs currently use this feature, so is untested in all players)*
** While controversial, this shows the benefits of using more advanced codecs such as VC-1 and h.264 on BD-Disc, as they can increase the potential headroom and allow for additional features.
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