Adtec digital mediaHUB-HD 422 (version 1.01.10_M_2) Manual - Manual (Page 89)

Technical Specifications
Standard Definition Video Frame Rates
NTSC 29.97i •
PAL 25i •
Standard Definition Video Resolutions
720x480 •
640x480 •
352x480 (NTSC) •
720x576 (PAL) •
(Down-scaled video resolutions only supported when encoding MPEG-2)
High Definition Video Frame Rates
720p24 •
720p50 •
720p59.94 •
720p60 •
1080i59.94 •
1080i60 •
High Definition Video Resolutions
1920 x 1080 •
1440 x 1080 •
1280 x 720 •
Video CODEC Profiles and Levels
MPEG 2
MP@ML ♦
422P@ML ♦
MP@HL ♦
422P@HL (Supports 420 and 422 for all resolutions) ♦
Data rates from 1 Mbs to 80 Mbs ♦
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MPEG 4 Part 10 Advanced Video Coding (AVC) Commonly referred to as MPEG 4 AVC
!MP@ML, ! 422p@ML, [email protected], [email protected], [email protected]
Supports 420 and 422 for all resolutions
422 with 8-bit color subsampling ⋅
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♦
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Data rates from 784 kbs to 80Mbs. •
Group of Pictures
MPEG 2: 1-30 (I, IP, IBP, IBBP) ♦
MPEG 4 AVC: 1-60 (I, IP, IBP, IBBP) ♦
Interlace Coding
MPEG 2: Field, Frame ◊
MPEG 4 AVC: Field, Frame, Frame with MBAFF, Frame without MBAFF, PAFFH.264 ◊
♦
Motion Estimation and Precision
Search Range
Horizontal: -169.75 to +155.75 pixels ⋅
Vertical: -87.5 to +115.75 pixels ⋅
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Pixel Precision for Compensation
MPEG 4 AVC: 1/2, 1/4 Pixel ⋅
MPEG 2 1/2 Pixel ⋅
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Block Size for Compensation
MPEG 4 AVC: 16 x 16, 16 x 8, 8 x 16, 8 x 8 ⋅
MPEG 2: 16 x 16, 16 x 8 (MC) ⋅
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♦
Encoder Latency
Low ( ~ 300ms) Low Latency Contribution ◊
Very Low ( ~ 120ms) Lowest Latency Applications ( Note: most IRDs cannot handle Very Low
Latency even with only6 MPEG 1 Layer 2 audio) ◊
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