AVCHD AVCHD Workshop
© 2012 Hans Dorland
Inzicht Wie monteert* met DV? Wie monteert* met HDV? Wie monteert met AVCHD? *en overweegt montage met AVCHD? © 2012 Hans Dorland
Overzicht digitale video 1995 DV
© 2012 Hans Dorland
2005 HDV
2012 AVCHD
Wat is HD video? High Definition video Ieder video systeem met een hogere resolutie dan SD (Standard Definition) © 2012 Hans Dorland
HD video High Definition Video 720p: 1280 x 720 px 1080i: 1440 x 1080 px 1080i/p: 1920 x 1080 px © 2012 Hans Dorland
Frame en fields
Frame
© 2012 Hans Dorland
Oneven field
Even
Verschil in visuele perceptie tussen film (24 b/s) en 25p in video. © 2012 Hans Dorland
Valt je iets op? © 2012 Hans Dorland
Pixel aspect ratio Valt je iets op? © 2012 Hans Dorland
Pixel aspect ratio Pixel = Picture Element x
y
Verhouding x/y computer : 1 © 2012 Hans Dorland
HDV : 1,33 1440 -> 1920 px
Beetje bits en bytes Bit - Binary digit 0
1 false /low
© 2012 Hans Dorland
true /high
Beetje bits en bytes Bit - Binary digit 1 Byte = meestal 8-bits 0
0
0
0
0
0
0
0 +
© 2012 Hans Dorland
0
Beetje bits en bytes Bit - Binary digit 1 Byte = 8-bits 128
64
32
16
8
4
2
1 +
© 2012 Hans Dorland
255
Beetje bits en bytes Bit - Binary digit 1 Byte = 8-bits 0
64
0
0
0
0
0
1 +
© 2012 Hans Dorland
65
Afkorting b of B b = bit Gebruikt bij transmissie snelheden B = byte Gebruikt bij data-opslag © 2012 Hans Dorland
Minimale gegarandeerde data-overdrachtssnelheid Class:
MB (Megabyte)
Mb (Megabit)
Class 2
2 MB/s
16 Mb/s
Class 4
4 MB/s
32 Mb/s
Class 6
6 MB/s
48 Mb/s
Class 10
10 MB/s
80 Mb/s
© 2012 Hans Dorland
QuickTime / Matroska / AVI Containerformaat © 2012 Hans Dorland
AVCHD Audio Dolby Digital AC-3 5.1 of 7.1 surround sound PCM audio zonder compressie © 2012 Hans Dorland
AVCHD Video H.264 / MPEG-4 part 10 / AVC
© 2012 Hans Dorland
AVCHD H.264 / MPEG-4 part 10 / AVC Video Coding Experts Group Moving Picture Experts Group (MPEG) Joint Video Team (JVT) © 2012 Hans Dorland
AVCHD High Definition 720 x 576 px (720 x 480 px) 1280 x 720p px 1440 x 1080i px 1920 x 1080i px © 2012 Hans Dorland
AVCHD 2.0 3D 50/60 progressive max. 28 Mbps (was 24 Mbps) © 2012 Hans Dorland
AVCHD Codec Compressor - Decompressor Bijvoorbeeld: DVD MPEG-2 © 2012 Hans Dorland
MPEG-2 / MPEG-4 Transport streams
© 2012 Hans Dorland
TS extensies
AVCHD .mts © 2012 Hans Dorland
Blu-ray .m2ts
38 frames / 15 x vertraagd © 2012 Hans Dorland 26
© 2012 Hans Dorland 27
TS bestanden openen FFmpeg MPlayer VLC player Alle 3 gratis en multiplatform © 2012 Hans Dorland
AVCHD doelstelling Lage bitrate Hoge kwaliteit Schaalbaar Opslag op diverse media: DVD, blu-ray, harde schijf en flashgeheugenkaart © 2012 Hans Dorland
HD opslag per uur 8-bit
10-bit
12-bit
4:4:4
261GB
350GB
420GB
4:2:2
187GB
217GB
260GB
4:2:0
130GB
175GB
210GB
© 2012 Hans Dorland
AVCHD
HD video en audio / 8-bit / 4:2:0 © 2012 Hans Dorland 130 GB per uur
Details in kleur
© 2012 Hans Dorland
Kleurverzadiging
© 2012 Hans 100% Dorland
20%
0%
Verzenden / ontvangen van TV-signalen © 2012 Hans Dorland
Kleurruimte: YCC
Kleur YCbCr
Y © 2012 Hans Dorland
Cb
Cr
Kleur compressie
Y © 2012 Hans Dorland
Cb
Cr
Sub sampling
4:4:4 YCbCr Y © 2012 Hans Dorland
4:2:2
4:2:0
Bitrate
© 2012 Hans Dorland
Compressie MPEG-2
© 2012 Hans Dorland
Compressie AVCHD
© 2012 Hans Dorland
Compressie vergelijking MPEG-2 en AVCHD
© 2012 Hans Dorland
Compressie
MPEG-2 © 2012 Hans Dorland
AVCHD
GOP Group of pictures
© 2012 Hans Dorland
GOP Group of pictures
© 2012 Hans Dorland
AVCHD ‘familie’ AVCHD-lite
AVC-Intra 100
AVCHD
AVCCAM
AVC-Intra 50
NXCAM
© 2012 Hans Dorland
AVCHD ‘profiles’ Constrained Baseline Profile (CBP) Baseline Profile (BP) Main Profile (MP) Extended Profile (XP) High Profile (HiP) High 10 Profile (Hi10P) High 4:2:2 Profile (Hi422P) High 4:4:4 Predictive Profile (Hi444PP)
© 2012 Hans Dorland
Rekenmethodes High 10 Intra Profile High 4:2:2 Intra Profile High 4:4:4 Intra Profile CAVLC 4:4:4 Intra Profile Scalable Baseline Profile Scalable High Profile Scalable High Intra Profile Stereo High Profile Multiview High Profile
AVCHD ‘levels’ Weergave Beeldformaat Frame-rate Aantal frames dat wordt opgezocht Maximum data-rate © 2012 Hans Dorland
AVCHD Sony en Panasonic (consument) H.264 Main Profile level 4.0 Canon en AVCCAM H.264 Main Profile level 4.1 Blu-ray H.264 Main Profile level 5.1 © 2012 Hans Dorland
© 2012 Hans Dorland
© 2012 Hans Dorland
© 2012 Hans Dorland
AVCHD editors PC
Macintosh
Première Pro CS4 ^
Première Pro CS4 ^
Pinnacle Studio Plus 11 ^
iMovie ’08 ^
Magix 7.0.3.3 ^
Final Cut Express 4 ^
Vegas 7.0 ^
Final Cut Pro 6 ^
Ulead Video Studio 10 ^
© 2012 Hans Dorland
© 2012 Hans Dorland
Voordelen AVCHD Betaalbare camcorders Geen tape Goedkope flash geheugenkaarten Kleine bestanden © 2012 Hans Dorland
Nadelen AVCHD Onverwachte kosten (?) Computer met veel rekenkracht nodig Software updaten of nieuw AVC profielen / levels Kwaliteit na export © 2012 Hans Dorland
AVCHD Converters Elecard Converter Studio (PC ± $75) VoltaicHD (PC en Mac ± $40) AVCHD Upshift (PC en Mac ± €80)
© 2012 Hans Dorland
AVCHD - VoltaicHD òf VoltaicHD - AVCHD
© 2012 Hans Dorland
DV/HDV workflow
© 2012 Hans Dorland
AVCHD workflow
? © 2012 Hans Dorland
AVCHD workflow
© 2012 Hans Dorland
Model
Compressie
Prijs in €
Punten
PMW-350 K
XDCAM EX
18.770
84
PMW-320 L
XDCAM EX
12.800
82
PMW-F3 K
XDCAM EX
19.665
81
PMW-EX 3
XDCAM EX
8.000
78
PMW-EX 1 R
XDCAM EX
6490
78
PMW-EX 1
XDCAM EX
6490
77
HVR-S 270 E
HDV
8000
77
HVR-Z 7 E
HDV
5500
77
AG-HPX 371
P2
9900
76
XF 305
MPEG-2
8000
75
© 2012 Hans Dorland
© 2012 Hans Dorland
© 2012 Hans Dorland
AVCHD Einde presentatie
© 2012 Hans Dorland