Minggu, 18 Agustus 2013

What is the difference in video quality from HDMI DVD player versus Progressive Scan Player?

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cran


I have an HDTV and looking for a new DVD player. How does the picture quality on a progressive scan DVD player compare with one of the new HDMI DVD players? Will the HDMI produce near-HD quality? Is it worth the extra $100-200 for the player and the special cable?

Thanks!



Answer
Progressive scan refers to the way the image is displayed. The image is non-interlaced providing a sharper image quality and is not directly related to HDMI, HDMI is the video connection.

HDMI is a high definition output provided by some DVD players, especially high end ones. HDMI is an all digital output again that preserves image quality. The competitor to HDMI is DVI which is similar in that, it too outputs an all digital signal.

There are two types of HDMI, type A is backwards compatible with DVI, type B HDMI is designed to support image resolutions higher than 1080p which is where most high definition TVs max out.

Basically what I'm saying is that progressive scan is how the image is displayed and HDMI is the output signal, the two combined together provide the best image quality.

Whether you use DVI or HDMI is of almost no consequence but you will want to pick one or the other (or whichever one is supported on your TV).

Let me try this again, any DVD player equipped with HDMI outputs will support progressive scan and the same goes for a player that has a DVI video connection.

Yes, it is worth the extra cables and player price.

Can I hook up a DVD player using HDMI for video and optical audio for sound?




mike


I know this sounds weird, but hear me out. I have a Sony upconverting DVD player, Sony receiver (no HDMI or video inputs), and an Olevia HDTV. I need to use the HDMI cable from the DVD to the TV for 1080i upconversion. Then, use the optical audio connection between the DVD and receiver for surround sound. My question, will the DVD player output audio on the optical line with HDMI attached? Is there a setting I have to change for this? Any help is appreciated.


Answer
I also have a Sony upconverting DVD player and a Sony receiver. I have HDMI inputs on my Sony receiver, but I don't use it because it only just passes the sound through to the TV. I do not get any sound from my receiver through the DVD HDMI connection. I've checked the manual, and it confirms this is the way my Sony receiver is supposed to work. To get surround sound on my system, I hook the HDMI cable directly from the DVD to the TV and the optical out to my receiver. This, I believe, is what you are proposing doing with your system, and therefore, I'd have to say it should work. As far as the settings, you would have to read your specific manuals to figure out the settings. You will also have to turn off the sound on your TV when you want to use your receiver with the DVD player. Otherwise you will get an echo effect.




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Title Post: What is the difference in video quality from HDMI DVD player versus Progressive Scan Player?
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