???????????? Non-Linear - PowerPoint PPT Presentation

1 / 33
About This Presentation
Title:

???????????? Non-Linear

Description:

Non-Linear ... – PowerPoint PPT presentation

Number of Views:48
Avg rating:3.0/5.0
Slides: 34
Provided by: www1Finea
Category:
Tags: linear | non

less

Transcript and Presenter's Notes

Title: ???????????? Non-Linear


1
(No Transcript)
2
???????????? Non-Linear
3
???????????????????????
?????????????????????????????????????????????????
?????????????? ? ?????????????????? ?
????????????????? ??????????????????? ?
??????????????????????????????????????????????????
????????????????? ????????????????????????????????
????????????????????????????????
??????????????????????? 3 ???????????
4
???? PAL Phase Alternating Line
? ????????????????????????? ??????????????????????
??????????????????????????? ???????????????????
(Frame Rate) ??????? 25 ????????????? (fps) 25
??????????????????????????? 625 ????
???????????????????????????? ???????????????????
????????? ???????????????????????????????????
5
???? NTSC National Television System Committee
? ???????????????????????????????? PAL ??????
?????????????????????????? ???????????????????????
??? PAL ?????????????????????? (Frame Rate)
??????? 29.79 ????????????? (fps)
??????????????????????????? 525 ????
???????????????????????????????????
6
???? SECAM Séquentiel Couleur Avec Mémoire
? ????????????????????????? ??????????????????????
??????? ?????????????????????? (Frame Rate)
??????? 25 ????????????? (fps) ???????????????????
???????? 625 ???? ????????????????????????
????????????????????? ?????????????? ?????????????
7
(No Transcript)
8
Frame Rate
Frame Rate ??? ???????????????????????????????????
????????? ???????????????????????? (fps) ??????
Frame Rate ??????????????????????????????????
???????????????????? 7-10 (fps)
????????????????????????????????????????????????
??????????????????? 12 (fps) ????????????? Flash
??????????????????????????????? 12 (fps) ???????
9
??? Frame Rate ?????????? ?
???????? ? Frame Rate (fps)
??????????????????? 24
?????????? NTSC 29.97
?????????? PAL 25
?????????? SECAM 25
?????????????????? 12 15
??? 3 D Animation 30 (Non-Drop Frame)
10
Timebase
Timebase ??? ?????????????????????????????????????
? ?? 1 ?????? ???????????????????????????????
Frame Rate ????????? Frame Rate
???????????????????? (Source Frame Rate)
?????????????????????? Timebase
???????????????????????????????????
??????????????????????????????????????????????????
???????? ???? Timebase ???????????? Source Frame
Rate
11
????????? (Cast Study)
??????????????? ??? Timebase ??? Source Frame
Rate ??????? 1 Timebase ??????????? Source Frame
Rate ????

Source Frame Rate 25 fps

Timebase 25 fps
???????? ? ?????????????????? PAL ????????? Frame
Rate ??????? 25 fps ???? ?????????????????????????
Timebase ?????????? 25 fps
12
????????? (Cast Study)
??????? 2 Timebase ?????????? Source Frame Rate
???????????????????????????

Source Frame Rate 25 fps

Timebase 30 fps
???????????? ? ?????????????????? PAL ?????????
Frame Rate ??????? 25 fps ????????????????????????
? Timebase ?????????? 30 fps
????????? Timebase ??? Source Frame Rate
??????????????????
13
????????? (Cast Study)
??????? 3 ?? Source Frame Rate ????????????

Source Frame Rate 25 fps VDO

Source Frame Rate 25 fps 3 D

Timebase 25 fps
???????? ? ?????????????????? PAL ????????? Frame
Rate ??????? 25 fps ?????????????????? ?
??????????????????????????????????????????? Title
???????????????????????????? 3ds max
???????????????????? render ??????????????????????
??? Frame Rate ??????? 25 fps ??????????????
Timebase ?????????? 25 fps
14
????????? (Cast Study)
??????? 3 ????????????????????????????????????????
?? Frame Rate ????????? ?????? Source Frame Rate
??????????????? Timebase ????????????????????????
????????????

Source Frame Rate 30 fps

Timebase 15 fps
???? ?????????????????????????????????????????????
?? Frame Rate ??????? 15 fps ?????????????????????
Source Frame Rate ??????? 30 fps ???????????
Timebase ??????? 10, 15 , 30
15
????????????????????? (Timecode)
???????? (Timecode) ?????????????????????????????
?????????????????????????????????????
????????????????????? Timebase ???? Frame Rate
??????????????????????? ??????????????????????????
???????????
16
????????????????????? (Timecode)
?????????????????????????????????????????????????
????????????????????????????????????
??????????????????????? Premier Pro
???????????????????? SMPTE (Society of Motion
Picture and Television Engineers)
????
??????
????
???????
17
????????????????????? (Timecode)
????????????????????????? ?????? NTSC ????????
Timebase ?????????????? 29.97 ???????????Time
base ?????????????????????? 30 ???????????????????
???????????????????? ?????????????????????????????
? ???????????????????????????????
????????????????? Drop-Frame ???????? SMPTE
?????????????????????? 29.97 fps
??????????????????????????
18
????????????????????? (Timecode)
??????? Premiere Pro ???????????????????????
Drop-Frame ?????????????????????? ?????????
() ??????????????????????????????????????????????
?? Non-Drop-Frame ??????????????????????????? ()
????????????????????????
Drop-Frame
Non-Drop-Frame
19
Data Rate ???????
Data Rate ??? ???????????????????????????????????
??????????????????? ???????????????????????? Bit
Rate (?????????????????????????????????????)
??????????????????????? ???????????? (bps)
??????????? Data Rate ?????????????????????????
????????????????????????????? ????????????????????
?????????
20
??????????? ??? Aspect Ratio
??????????? ?????????????????????????????????????
??????????????????? Aspect Ration
??????????????? Aspect Ration ???
?????????????????? ???????????????? ???? Aspect
Ratio ??????? 4 3 ??????????????????????????????
??????????????????? 1024 768, 800 640, 600
480 ???? 768 576
21
??????????????? (Compression)
?????????????????????????????????????????????????
????????????? ????????????????????????????????????
??????????????????????????????????????????????
??????????????????????????????? (Compression)
???????????????????????????????????????
??????????????? (Codec)
22
??????????????? (Compression)
?????????????????????????????????????????????????
?????????????????? ???????????????????? ????
????? Video Capture ???? ? ???????????????????????
????? (????????????????????????????????????????
??????????????????????????????????????????????????
???????????????? ?????? Panasonic Encoder, TMPGE
, MpegDJ Encoder ???
23
??????????????????????
DV- ?????????????????????????????????????????
??????????????????????????????????????????????????
???????????????????? AVI - ???????????????????????
????????????????????????????????????????
???????????????????? 4 GB ??????????????? 18
???? ?????????????????????????????????????????????
? FAT 32 ?????????? NTFS ?????????????????
24
??????????????????????
MPEG- ????????????????????????????????????????????
????????????? (????????????????????????)
???????????????????????????????????
???????????????? MPEG 1 ????????? VCD
???????????? MPEG 2 - ?????? DVD ????????????
??????????????????????????????????
25
??????????????????????
MPEG 4 ???????????????????????
?????????????????????????????????????? DVD
??????????????????? MOV ????????????????????????
???????? MAC ??????????????????????????????? PC
??????????????????????????????????????????????????
??????????????? ????????????
26
???????????????? (Progressive / Interlace)
Interlace
?????????????????????????????????????????????????
?????? ???????????????????????????????????????????
??????????????????????????????????????
???????????????????????? Interlace
????????????????? 2 ??????? 1 ???
27
???????????????? (Progressive / Interlace)
Progressive
????????????????????????????? 1 ????
????????????????????????????????????????
????????????? Progressive ????????????????????????
???????? 2 ??????????????????????????????
28
Interlace
If we look at our TV, we see a picture like this
on our screen.
Upper field (top) - all odd lines (1,3,5,7, etc.)
are drawn first.
Lower field (bottom) - now all even lines
(2,4,6,8, etc.) are drawn.
29
Interlace
Progressive
30
(No Transcript)
31
Interlace
Broadcast compatibility TV / VDO
Progressive
Better image quality Computer / Film
32
Overscan ??? Safe Zone
???????????????????????????????????????????
???????????????????????? ?????????????????????????
????????????????????????? ????????????????????????
?????????????????? ???????????????????? Overscan
?????? Overscan ??????????????????????????????????
??? ??????????????????????????????????????????????
?? ? ???????????????? 2 ??????? Action-Safe Zone
??? Title-Safe Zone
33
Overscan ??? Safe Zone
Action-Safe Zone 10
Title-Safe Zone 20
Write a Comment
User Comments (0)
About PowerShow.com