Author Archive

MTF Revealed – Part III : JVC RS35 Update – The Secret Ingredient?

December 28, 2009
By Mark Petersen
MTF Revealed – Part III : JVC RS35 Update – The Secret Ingredient?

December 28, 2009 In part II of this series, we explored sharpness differences between LCOS and DLP technologies.  In that article we also speculated that there appeared to be some unique changes to the JVC RS35 that improved sharpness and perhaps reduced chromatic artifacts as well. In this article we take a closer examination of...
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MTF Revealed – Part II: JVC DILA (RS35, RS20, RS1) vs DC4 DLP

December 23, 2009
By Mark Petersen
MTF Revealed – Part II:  JVC DILA (RS35, RS20, RS1) vs DC4 DLP

December 22, 2009 In Part I of this series we examined the Samsung SP-A900B projector. This projector uses the larger .95″ DC4 DMD, it has excellent optics across the field and it is relatively free of chromatic aberrations and geometrical distortions. Since it is a single chip DLP design, there is no reduction in sharpness...
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MTF Revealed – Part I: The Samsung SP-A900B JKP Special Edition Projector

November 30, 2009
By Mark Petersen
MTF Revealed – Part I: The Samsung SP-A900B JKP Special Edition Projector

Note: This article was revised 1/7/2010 so as to include more accurate JVC RS20 data which was included for comparison purposes at the bottom of this article. November 30, 2009 A few months ago in this article, we took a close look at the sharpness differences between DLP and LCOS video projectors and in addition, we...
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Gefen HDMI to HD-SDI scaler – Prosumer VP in a HDMI to HD-SDI adapter

November 26, 2009
By Mark Petersen
Gefen HDMI to HD-SDI scaler – Prosumer VP in a HDMI to HD-SDI adapter

Nov 26, 2009 The introduction of high performance video processing chips that feature per-pixel motion adaptive de-interlacing, high quality scaling and a host of other features has transformed the high-end consumer video experience.  The performance of HQV, VXP and ABT video processing chips has become well known and the use of these chips has gone from the realm...
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Product Review – ChromaPure Releases a Winner

October 29, 2009
By Mark Petersen
Product Review – ChromaPure Releases a Winner

Oct. 29, 2009 If you’re a Videophile, you’re already aware of the importance of a good display calibration, and you may have invested the time and money into doing the job yourself.  If you have done the calibration yourself, you may have come to the realization that many calibration programs are written by programmers rather...
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IDT announces new HQV Vida Chipset!

July 22, 2009
By Mark Petersen

July 22, 2009 The original Silicon Optics Realta HQV chipset set the bar in quality de-interlacing when it was released 4+ years ago.  It brought $50K Teranex level performance and per-pixel motion adaptive de-interlacing into an economical single chip form factor.  It’s been widely used since then and incorporated in many products including the contrast leading JVC...
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Microsoft Silverlight and Smooth Streaming – and why you should care

July 18, 2009
By Mark Petersen
Microsoft Silverlight and Smooth Streaming – and why you should care

July 18, 2009 Microsoft Silverlight 3 was released last week and this seems like a good time to write an article about the technology.  This article will provide a quick overview of adaptive streaming which is a key feature of Silverlight.  Microsoft’s Silverlight is well positioned to compete with Adobe Flash which is the other dominant adaptive streaming technology.  In...
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VideoLan Project Ships VLC 1.0.0!

July 8, 2009
By Mark Petersen
VideoLan Project Ships VLC 1.0.0!

July 08, 2009 On Monday, the VideoLan Project, developers of the popular streaming media software player VLC  shipped a major new release, version 1.0.0.  VLC is well known in the open source community.  What started as a student project has grown into one of the better known and successful open source projects.  VLC supports many different video formats and...
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Oppo BDP-83 combo Blu-Ray, SACD and DVD-A player ships!

July 7, 2009
By Mark Petersen
Oppo BDP-83 combo Blu-Ray, SACD and DVD-A player ships!

 July 07, 2009  The much anticipated Oppo BDP-83 combo blu-ray player with SACD and DVD-Audio has officially shipped!  Oppo’s players are well known in the videophile community and are highly regarded for their ability to play and upconvert SD content with very few issues.  The Oppo DV-983H DVD player for example was the first player to ever...
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LCOS vs DLP, .65″ DC3 DMD vs .95″ DC3 DMD – The Sharpness Debate

June 20, 2009
By Mark Petersen
LCOS vs DLP, .65″ DC3 DMD vs .95″ DC3 DMD – The Sharpness Debate

June 21, 2009 Frequent debate and speculation has centered around the sharpness differences between DLP and LCOS display technologies.  Unfortunately these comparisons are complicated by factors such as 3-chip panel convergence errors, lens quality and chip size.  Often, these debates have compared images from single chip DLPs with no convergence errors, larger chip sizes (.95″ for most commercial DMDs)...
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