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HD-Reporter.de - Blu-ray Reviews in deutsch und englisch mit technischen Details wie Video-/Audio-Bitrate, Discgroesse, Video-/Audio-Codecs


Technology & Info

Blu-ray vs. DVD Specs
Features Blu-ray DVD
Disc sizes 25 (23.28) GB single layer

50 (46.57) GB double layer

4.7 (4.37) GB single layer

8.5 (7.95) GB double layer

Picture formats 16:9

4:3

4:3

16:9 anamorphic widescreen

Max. audio tracks 32 8
Max. video streams 9 9
Max. subtitles 32 32
Copy protection AACS (128 Bit)

BD-ROM Mark

BD+

CSS (40 Bit)
Regional coding A Amerika, Asia (w/o China)

B Europe, Middle East, Afrika, Australia, New Sealand

C China, Russia, South East

R1 – R6
Resolutions – 1920 x 1080 – 1280 x 720

– SD-Formates

e.g. 1024 x 576 (anamorphic PAL)

e.g. 720 x 576 4:3 PAL

Max. video bitrate 40 Mbit/s 9.8 Mbit/s
Audio Formats Blu-ray vs. DVD
Audio Formats Blu-Ray DVD
other Audio formats – Linear PCM – Linear PCM

– MPEG 1 & 2

Dolby Digital: (6 Channels) max. 640 kbps max. 448 kbps
Dolby Digital Plus: (8 Channels) max. 1.7 Mbps not available
Dolby TrueHD (lossless)

(up to 24 Bit/96 kHz, 8 Channels)

max. 18 Mbps not available
DTS-HD High Resolution Audio (CBR)

(up to 24 Bit/96 kHz, 8 Channels)

max. 6 Mbps not available
DTS-HD Master Audio (lossless)

(up to 24 Bit/96 kHz, 8 Channels)

max. 24,5 Mbps not available
DTS 96/24 (24 Bit/96 kHz, 6 Channels) 1509 kbps 1509 kbps
DTS (ES) (7 Channels) 754,5 & 1509 kbps 754,5 & 1509 kbps
Max bitrate (inkl. all streams) 48 Mbit/s 11.08 Mbit/s
CBR = constant bit rate

lossless = bit-for-bit identical to the studio master

DTS HD Master Audio always includes standard DTS core signal for

playback on non HD Master Audio capable equipment

Codec Comparison:
Function SMPTE VC-1 AVC / MPEG-4 MPEG-2
Intra-Prediction Coefficients in the frequency domain 4 × 4 spatial
16 × 16 spatial
DC-Prediction

per macro block

Picture Coding Type Frame

Field

Progressive

Picture adaptive Frame/Field

Frame

Field

Picture adaptive

Frame/Field

Makroblock adaptive Frame/Field

Frame

Field

Picture adaptive

Frame/Field

Block size for motion compensation 16 × 16

16 × 8

8 × 16

8 × 8

8 × 4

4 × 8

4 × 4

16 × 16

16 × 8

8 × 16

8 × 8

8 × 4

4 × 8

4 × 4

16 × 16

16 × 8

8 × 16

Motion vector precision Full Pel

Half Pel

Quarter Pel

Full Pel

Half Pel

Quarter Pel

Full Pel

Half Pel

Entropy

encoding

adaptive VLC (variable length coding) CAVLC (context adaptive variable length coding)

CABAC (context adaptive binary arithmetic coding)

VLC (variable length coding)
Transformation approximative, integer DCT with following block sizes 8 × 8

8 × 4

4 × 8

4 × 4

approximative, integer DCT with following block sizes

8 × 8

4 × 4

8 × 8 Discrete Cosinus Transformation (DCT)