Thursday, March 26, 2009

7-inch WVGA high-definition large-screen MP4

By Haven Frbiz

For most consumers, MP4 is nothing more than to look at the video, listen to music, spend their leisure time entertainment plaything, but far more than the ambitions of MP4 play it, it not only possesses the world's huge sell hundreds of millions of Units volume, but also constantly absorbing all kinds of fresh features and design elements, the consolidation of the multimedia entertainment terminals in the world. Current hot high-definition MP4, functional integration of the development of MP4 is the latest achievement in a thorough Topsy two former high-definition series, we have the concept of high-definition MP4 and technology with a more detailed understanding.

In this paper, our analysis will focus on the mainstream market, all kinds of high-definition MP4 performance characteristics and product selling points to help consumers judge a rational, scientific purchase.

7-inch screen, are recognized the limits of size of handheld devices, GPS, MP4, MID, mobile phone, PDA and other portable products that did not exceed the screen size, as the originator of上网ASUS Eee PC 701, has also been adopted 7 inches screen shows the status of the size of the screen.

At present, the market on the use of 7-inch 16 million color WVGA resolution (800 * 480 pixels) high-definition screen MP4 Main Bmorn have BM-996HD, CHUWI gemei M70 PLUS and HD970 three products, they are core fly-hua main CC1600 control programs, support 720P RMVB, AVI video player, with "very large screen, audio-visual shock" as a major selling point.

Specific view, the 7-inch WVGA screen shows an area of 139.46 square centimeters, or 21.62 square inches (equivalent to 4.3 inches WVGA screen area of 1.96 times), PPI value (measure of clarity) to 17761 pixels / square inch (Definition higher than the Sony PSP screen), visual angle of 160-170 degrees (LTPS), 150 degrees (S-IPS), the contrast at 1 / 400 to 1 / 500 between the better quality screen display.

Screen because the larger, 7-inch MP4 video effects (especially action movies) shock outstanding fit in the pursuit of audio-visual quality MP4 players fever. At portability, the volume of such products than the 4.3 inches screen Products has significantly amplified, but little change in the internal circuit, the product has improved significantly with no weight (7 inches Product weight of 205-220 grams, 4.3 inches for the 150 grams Product to 200 grams), in the endurance capacity, because a larger volume of space, products, mostly with more than 3500 milliamperes of high-capacity battery to ensure the endurance performance, consumers can use to weigh their own needs, taking into full account.

Listed as the first 7-inch high-definition MP4, Chi M70 PLUS for life on the screen and is more special, it uses hardware LG S-IPS screen technology, compared with the TFT screen, and its response time is short, live longer, at lower cost, near LTPS display screen. In life, it built 3600 milliamperes polymer batteries, coupled with relaxation of energy-saving technologies for Slpc to life to achieve Videos 6 hours / 27 hours of music, the more remarkable, its market pricing for 8GB/888 million.

Catch up from behind the blue morning BM-996HD located in the big-screen popularity, its market pricing only 8GB/699 yuan, is the cheapest 7-inch high-definition MP4, but its function is not inferior opponent, it is not only compatible with 720P RMVB, AVI video, but also support WMV, 3GP, DAT, MPG, VOB, MP4 video format, is the compatibility of the best fly-hua Core Products MP4 high-definition programs, in addition, the effect of its LTPS screen display outstanding ability to achieve life movie 6 hours / 28 hours of music, high practical value.

In addition, the listing of songs in the near future the United States must HD970 also caused concern, and its simple design style atmosphere, with the back of Products stent design, a more considerate, LTPS screen with 3900 milliamperes large capacity battery with a perfect support for the highest 32G TF expansion card and infrared remote control is also a bright spot, however, 8GB/999 pricing element affecting the mainstream consumer groups buying enthusiasm.

General view, at 7 inches large screen high-definition MP4, the BM-996HD Bmorn more obvious advantages, the other two products are still the price must drop in space.

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