scoping bars

winrockpost wrote on 8/24/2002, 11:28 AM

downloaded a program called dv scope,, pretty cool little scope, Anyway generated bars in vegas ,clamped broadcast ,saved as dv and ran it in the scope,, colors were hot, off the chart.
Took the same bars ,rendered and saved uncompressed and ran them ,they were dead nuts,perfect. just curious to why be that.

Comments

GaryAshorn wrote on 8/24/2002, 3:10 PM

So where did you find the DV Scope and who offers it?

Gary Ashorn, PE

winrockpost wrote on 8/25/2002, 10:12 AM

http://asia.cnet.com/downloads/pc/swinfo/0,39000587,39029298s,00.htm

HPV wrote on 8/25/2002, 6:56 PM

When you say "clamped broadcast" are you refering to the broadcast colors filter? That filter only affects luma levels. (SF, please rename for V4) HSL will let you pull down the chroma saturation, but I'm suprised you would need to with the built in bars. In Vegas 2, they only generate a max of 180 RGB. That's well within legal levels to convert into YUV NTSC color space. I'll test with the MS codec and let you know what I get.
Here is a direct link:
http://www.videoforge.com/DVscope.asp

winrockpost wrote on 8/25/2002, 9:14 PM

HPV,, Yes talkin about broadcast color filter in Vegas,,
thanks for your input.

BladeRunner wrote on 8/26/2002, 1:34 PM

Anyone ever heard of an application for the pc?

winrockpost wrote on 8/26/2002, 3:11 PM

ok, I've now tried Avid codec ,microsoft,mainconcep,cinepak,& indeo,all scope correct according to the little dvscope,, SF off the charts. Just curious, is it a DV compensation thing ?

SonyEPM wrote on 8/26/2002, 3:38 PM

This tool probably does not use the SFDV reader, and instead uses the MS or some other DV codec to open the files. Print some bars to tape from the Vegas timeline, all is cool on a hardware scope.