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Re: re: broadcasting "in hd"

COW Forums : Telestream Wirecast

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Craig Seeman
Re: re: broadcasting "in hd"
on Sep 24, 2009 at 8:53:05 pm

1280x720 at 1500kbps = HD.

You would NOT want to send HD to the computer to broadcast in SD. You're asking the computer to use a lot of CPU to downrez, decode, encode. If doing SD broadcast you want to downrez BEFORE the signal hits the computer.

HD streaming is very possible at 720 and people using Watershed and Livestream Pro are doing it (amongst others).

Granted not everyone can view 1500kbps but certainly someone with a cable modem or very fast DSL can. By comparison YouTube HD progressive download is about 2000kbps and Vimeo is around 1600kbps last I checked so the quality at 720 at 1500kbps is OK.

BTW HDV as you might guess is a real challenge to decode and encode live to 720 at 1500kbps but it can be done if you're only using 1 camera. I've done it on my MacPro.

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