Is 720p vs 1080i worth being involved about? Yes and no. If you're a consumer looking for a new Tv, you can happily ignore the 720p vs 1080i moot because every Tv which is described as Hdtv or Hdtv Ready is required to preserve both formats.
Note: You should be aware though that lots of Tvs which preserve 1080i have fewer than 1080 lines and so scale the 1080 signal down. That's not a huge issue as even scaled down 1080i is far ahead of a regular Ntsc signal. It is worth bearing in mind that more costly Hdtvs tend to have good scalers than cheaper ones, and this may be an issue.
Vizio Audio Problems
However, for broadcasters it's a live issue. Should they broadcast 1080 lines of interlaced video or 720 lines of progressive scan? They could just broadcast two signals, one in each format, but that would use up a huge chunk of bandwidth and be hugely costly for very diminutive gain.
VIZIO E320VA 32-Inch Class LCD HDTV, Black Best
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VIZIO E320VA 32-Inch Class LCD HDTV, Black Feature
- 50,000 to 1 Dynamic Contrast Ratio; 1366 x 768 pixel Native Panel Resolution
- SRS TruVolume and SRS TruSurround HD audio for advanced virtual surround sound
- Exceeds Energy Star 4.0 guidelines
- Ambient Light Sensing technology
- Four HDMI ports
VIZIO E320VA 32-Inch Class LCD HDTV, Black Overview
VIZIO’s E320VA 32-Inch LCD HDTV delivers superior picture and audio quality at an amazing value. Includes SRS TruVolume and SRS TruSurround HD audio for advanced virtual surround sound and four HDMI ports to connect up to four HDMI devices to your TV. Exceeds Energy Star 4.0 guidelines to reduce energy consumption.VIZIO E320VA 32-Inch Class LCD HDTV, Black Specifications
VIZIO's E320VA 32" LCD HDTV delivers superior picture and audio quality at an amazing value. This flat screen LCD HDTV features SRS TruVolume and SRS TruSurround HD audio for advanced virtual surround sound, 50,000 to 1 Dynamic Contrast Ratio, and four HDMI ports to connect up to four HDMI devices to your TV. Also, the E320VA consumes 58% less energy than the 32" 2009 model, exceeding ENERGY STAR 4.1 guidelines, when the TV is turned on, to reduce energy consumption and utilizes built-in ambient light sensing technology, which automatically adjusts backlight levels to the brightness of its surroundings.
 Auto-adjusting sensors provide efficient ambient lighting. |  Experience immersive virtual high definition surround sound. |  Deep blacks and brighter whites via a 50,000:1 ratio. |  Save money as you conserve the planet's resources with ECO HD. |
Key Features
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- 32-inch LCD HDTV featuring 1366 x 768 pixels and support for 1.06 billion colors.
- 50,000:1 Dynamic Contrast Ratio giving you deeper blacks and brighter whites.
- Ambient Lighting is achieved as energy efficient sensors auto-adjust brightness for the perfect picture regardless of room conditions.
- 178/178 Degree Horizontal/Vertical Viewing Angle results in a crisp and clear picture that is easily visible from just about anywhere in the room.
- Two Built-in 10-watt Speakers provide clear room-filling sound.
- SRS Audio Technologies: SRS TruVolume evens out dynamics to limit volume inconsistencies between programming, while SRS TruSurround HD delivers immersive virtual high-definition surround sound out of the unit's two speakers.
- Included Remote is stylish and enables you to easily control every function of your TV.
- ECO HD exceeds the current ENERGY STAR 4.1, saving you money on utilities, while limiting the impact on our planet.
- Warranty: One year parts and labor, and free lifetime technical support.
Connections
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- HDMI (with HDCP): 4 (one on side)
- Component Plus Stereo Audio: 1
- Composite Video: 1
- RF: 1
- USB: 1
- Computer Input (RGB): 1
- SPDIF Digital Optical Output: 1
Dimensions
- TV with stand: 30.65" x 21.73" x 8.48" (WxHxD); 22.70 pounds
- TV without stand: 30.65" x 20.14" x 3.19" (WxHxD); 18.74 pounds
- What size TV should you get?
What's in the Box
VIZIO E320VA 32-inch LCD HDTV, detachable base with thumbscrews, VIZIO VUR11 remote (includes 2 AAA batteries), user manual, registration card, quickstart guide, power cord, screen cleaning cloth.
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Technical Specifications
- Screen Size: 32-inches
- Tuner: NTSC/ATSC/QAM
- Native Panel Resolution: 1366 x 768 pixels
- Signal Compatibility: 1080i, 720P, 480P, 480i
- Dynamic Contrast Ratio: 50,000:1
- Brightness: 450 CD/m2
- Response Time: 8ms
- Refresh Rate: 60Hz
- Panel Type: CCFL, LCD
- Picture-in-Picture (PIP): No
- Picture-outside-Picture (POP): No
- Zero Bright Pixel Defect Guarantee: Yes
- V-Chip: Yes
- 3D Comb Filter: Yes
- 3:2 or 2:2 Reverse Pull-down: No
- ATSC with 8VSB and QAM Demodulation: Yes
- ATSC with MPEG-2 Decoding: Yes
- NTSC Video Decoding via Video: Yes
- Progressive Scan Video: Yes
- Remote Control: VIZO VUR11
- Panel Lamp Life (typical): 60,000 hours
- Voltage Range: 120 Vac at 50/60Hz
- Power Consumption: 58W, <1W Standby
- Wall Mount Hole Pattern: VESA standard 200mm x 200mm
Learn More
Which Size HDTV is Right for My Room?
 | With standard-definition TVs, the rule used to be that viewers would feel comfortable watching a set from a distance of 3 to 6 times the screen size in inches. With HDTV, the resolution is so much better that you can sit closer to a larger TV without noticing the pixels. So with HDTVs, the rule tends to be you can sit anywhere from 1.5 to 3 times the screen size (in inches) for the best experience. If you know the size of the room you have already, where you want to sit, and where your new HDTV should go once you get it, you can figure out the size HDTV you should get.
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Customer Reviews
*** Product Information and Prices Stored: Jan 07, 2012 18:14:28
To riposte the question, it's prominent to understand the dissimilarity between 720p vs 1080i. A 720p signal is made up of 720 horizontal lines. Each frame is displayed in its entirety on-screen for 1/30th of a second. This is know as progressive scan (hence the 'p')The capability is like watching 30 photographic images a second on Tv. A 1080i signal comprises 1080 horizontal lines but all the lines are not displayed on-screen simultaneously. Instead, they are interlaced (hence the 'i'), ie every other lines is displayed for 1/60th of a second and then the alternate lines are displayed for 1/60th of a second. So, the frame rate is still 30 frames per second, but each frame is split into two fields, which your brain then puts together subconsciously.
Most of the time interlacing works fine, but for fast captivating images, such as sports like baseball and hockey it can cause problems which manifest themselves as a 'stepping' corollary on-screen. Progressive scan signals don't have this problem and so are good excellent to sports.
Espn puts it like this: 'Progressive scan technology produces good images for the fast captivating orientation of sports television. Naturally put, with 104 mph fastballs in baseball and 120 mph shots on goal in hockey, the line-by-line basis of progressive scan technology good captures the possible fast action of sports. For Espn, progressive scan technology makes excellent sense.'
Bottom line? For us, as consumers 720p vs 1080i is not a moot worth worrying about, so you can relax and focus on all the other criteria on your list when you buy your next Hdtv.
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