Re: a question of video signal# EE - 电子工程
b*o
1 楼
Depends on what kind of digital format you are talking.
D1 and D5 are not compressed.
For consumer format such as miniDV. It is compressed. However,you
can output through firewire(IEEE1394) card. It is usually better than
output through analog video+audio port and redigitize them through your
computer's capture card.
miniDV NTSC is 4:1:1,miniDV PAL is 4:2:0. So it is easy to calculate
whether it is compressed or not.
(13.5+3.375+3.375)*8 Mbps is the uncompressed video bitrate.
The throughput fo