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Matthew Jeppsen
Matthew Jeppsen is the founder of FreshDV and a digital video shooter and editor. By most reports he is powered entirely by coffee. 
Kendal MillerKendal Miller has over 10 years experience in the production industry. Currently he is working as Director of Photography in Chicago, IL where he resides with his wife Kendra. He works on a wide variety of projects ranging from commercial to independent film projects, working on one of the first commercial Red projects in the midwest area. When he's not shooting film or video he enjoys still photography as a hobby. An original part of the FreshDV team and contributing author to such magazines as DV and others Kendal enjoys providing industry training and education for others, and feels he often learns through the writing process as well. 
October 2008September 2008August 2008July 2008June 2008May 2008April 2008January 2008December 2007October 2007September 2007June 2007February 2007January 2007August 2006Complete ArchivesCategory Archives
Dymo DiscPainter ReviewImagineer Offering up to 90% Discount to small shops One Day OnlyShould Politicians and VIPs get special DMCA exemptions?Building Good Hardware (is Harder Than it Looks)Interview with Ikonoskop about the A-cam dII Digital Cinema CameraRedrock Micro cinescreen ground glass upgrade cuts light lossS/N Ratios DemystifiedAudio Peak vs Average Levels: How our ears perceive loudnessCan Ikonoskop’s DII Digital Cinema Camera Coexist with Red?Behind the Scenes at a superfad Phantom shootBoris Motion Key plugin restores my childlike belief in MagicCreative Titling InspirationSony XDCAM EX and SxS making industry inroadsWhat Indie Gear Makers Can Learn from AppleTurn Me Up! Audio Mixing and the Loudness warZylight Z50 and Z90 First ImpressionsOn Set with FreshDV: An AJA IoHD Case StudySeven Rules for Film and Video EditorsPlayback Apple’s ProRes 422 Codec on WindowsShowdown at the RWVC Corral: Mac Encoder Shootout ReduxEncoder Shootout of 4 Mac Compression ToolsRedrock Panel on Independent FilmmakingFreshDV Reviews the SGfollow focusDigital Cinema Course DVD ReviewFreshDV Review: Cinevate Ballare Dolly |
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Wednesday, September 24, 2008S/N Ratios DemystifiedUnderstanding signal to noise and how it impacts your image quality in a camera system. In light of a recent discussion I had with a photographer about the grain inherent in high ISO speeds, I thought I would take minute and write about Signal to Noise Ratios and how they affect image processing in both video and photography. I will try my best to explain this subject as I understand it. I am no electrical engineer however, and this subject can quickly delve into the physics of electronics deeper than I fully comprehend so if you have more observation or clarity on the subject please let me know in the comments below. Ok here we go. So what is a signal to noise ratio?
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