RE: [Avid-L2] OT: Best ways to confirm a noisy image...

No, this is not a connection issue, it was definitely a noisy image. The noise is present on multiple displays. All i can think is that the camera man had the gain whacked up by accident but that wouldn't account for all of the ISOs being noisy unless one guy set up all the cameras which i guess is possible. I wouldn't have expected it from HDCAM either. Although at this point it's not really a problem solving issue more of an inquirey in to how best to detect/display the noise in an image. The next batch of rushes they sent me tonight had far less noise so it's possible they screwed up and didn't want to tell me to save face.

My understanding is that most noise is present in the blue signal hence using the blue-only function of the monitor to reveal it. Would anyone more engineer-ey care to elaborate?

Cheers

Andi

To: avid-l2@yahoogroups.com
From: bncrca@gmail.com
Date: Sun, 8 Jan 2012 23:42:51 +0000
Subject: RE: [Avid-L2] OT: Best ways to confirm a noisy image...

Even though HDCam shows a very fine noise, it,s not any close to what you describe. Could it be your deck or a bad connection?

-----Original Message-----

From: Andi Meek <kwikpasta@hotmail.com>

Sender: Avid-L2@yahoogroups.com

Date: Sun, 8 Jan 2012 23:36:51

To: <avid-l2@yahoogroups.com>

Reply-To: Avid-L2@yahoogroups.com

Subject: RE: [Avid-L2] OT: Best ways to confirm a noisy image...

HDCAM. I'm viewing directly from the tape.

Cheers

Andi

To: Avid-L2@yahoogroups.com

From: bncrca@gmail.com

Date: Sun, 8 Jan 2012 23:34:31 +0000

Subject: Re: [Avid-L2] OT: Best ways to confirm a noisy image...

What codec?

-----Original Message-----

From: "ripvanmarlowe2000" <kwikpasta@hotmail.com>

Sender: Avid-L2@yahoogroups.com

Date: Sun, 08 Jan 2012 23:12:55

To: <Avid-L2@yahoogroups.com>

Reply-To: Avid-L2@yahoogroups.com

Subject: [Avid-L2] OT: Best ways to confirm a noisy image...

It's a bit weird, but i have a show that is providing us with excessively noisey rushes. They claim they're looking at the footage on a grade 1 CRT at their end and cannot see any noise but when i look at it on my grade 1, my JVC DTR24L4D HD LCD and a consumer LCD i can clearly see a fair amount of noise, more than i would want. The rushes they are providing are HDCAM shot on a Sony HDW-790P which i would have thought would be able to give pretty clean blacks. Because the rushes are 1080/50i and they are viewing on a SD CRT this will naturally make the picture they see look a little less noisey right? The footage is interior in a mock-nightclub, so there are areas that are lit and others which are in shadow.

In Blue Only mode i can see the noise very clearly although they claim they have also looked at it in blue only too. Other than by pure visual inspection and a monitor just showing the blue signal are there any other ways to test for noise in an image? I have access to HD Tek scopes etc.

Any thoughts welcome

Cheers

Andi

------------------------------------

Search the official Complete Avid-L archives at: http://archives.bengrosser.com/avid/

Yahoo! Groups Links

[Non-text portions of this message have been removed]

------------------------------------

Search the official Complete Avid-L archives at: http://archives.bengrosser.com/avid/

Yahoo! Groups Links

[Non-text portions of this message have been removed]

------------------------------------

Search the official Complete Avid-L archives at: http://archives.bengrosser.com/avid/
Yahoo! Groups Links

<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Avid-L2/

<*> Your email settings:
Individual Email | Traditional

<*> To change settings online go to:
http://groups.yahoo.com/group/Avid-L2/join
(Yahoo! ID required)

<*> To change settings via email:
Avid-L2-digest@yahoogroups.com
Avid-L2-fullfeatured@yahoogroups.com

<*> To unsubscribe from this group, send an email to:
Avid-L2-unsubscribe@yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/