Bernard Lechner is an award winning television engineer. At RCA he was heavily involved in the development of HDTV. Lechner researched the typical distance between a viewer and their television screen by taking measurements in many American homes. The median distance complied from all his data came out to 9 feet. This measurement is now [...]

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The HD Guru’s readers have asked for the real story on power line conditioners. Are they really needed with an HDTV? Do they provide a sharper picture as some salesmen claim? How well do they protect the TV in case of a lightening strike or other electrical spike? What about surge protectors and uninterruptible power [...]

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Below is an intervew of the HD Guru by Kevin Hunt appearing in the Chicago Tribune and other newspapers around the country this week. Kevin asked questions about my favorite subject. OUR A/V GUY Up close and personal with HDTV expert By Kevin Hunt Tribune Newspapers Published November 26, 2006 Gary Merson must see pixels [...]

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In the November 2006 issue of Home Theater Magazine the HD Guru tested 61 new HDTVs using the 1080i HDTV format that most of the HDTV channels use (including CBS, NBC, CW, MTV HD, and Wealth HD), as well as the current HD DVD and Blu-ray disc players. The question was, does the latest crop [...]

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Resolution is one of the most misunderstood HDTV topics. Here are the basics. Item 1- Resolution: One Term, Two Meanings When you see the term “HDTV resolution” it will be referring to one of two types: Broadcast resolution or a display’s “native resolution”. Item 2 -Broadcast Resolution The two high definition resolutions being broadcast today [...]

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Below is the HD Guru HDTV Seating Distance Chart. It is based on human preception of detail. . Sitting at the optimum 720p distance using a 1080p display will yield no improvement in picture quality due to limits of our vision. In other words, if you plan to sit too far back from a given [...]

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