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Showing posts with label Electronics. Show all posts
Showing posts with label Electronics. Show all posts
Thursday, September 13, 2012
Thursday, June 28, 2012
Google Glasses:
Google has always amazed us with it Search engine and its amazing line of Products. Google Glasses is the latest tech from google, currently its tough to visualise the use of this device but it sure a hit tech in making definetly way ahead of Smart phones and Tablets.
Check this latest video about google glasses.
Check this latest video about google glasses.
Friday, April 6, 2012
3D TV
Visit to any electronic shop TV section and not checking the latest 3D tv is just not possible. With every other movie coming out in 3D from Hollywood to Bollywood 3D has become a buzz.
So is it the time to buy 3D TV,lets ponder on these points
3D TV technology:
If you watched the 3D movies in theater maybe 10-15 years back 3D tech works on the same principle still now. Video filmed by two separate cameras with slight different angle are projected onto the screen and audience wears the glasses that make sure that right and left eye sees the corresponding images.3D TVs work on the same principle with two different types of TV's in market
1. Active 3D:
In this case the Glasses have the shutter mechanism to make the right and left eye see the
corresponding frames. 3D glasses are heavy and expensive( Rs 3000), you need to get used to
them. However the Active 3D TV is less expensive as compared to Passive 3D. Now-days
companies are manufacturing less heavy and comfortable 3D Glasses.
2. Passive 3D:
TV itself has all the mechanism and hence the polarized glasses are very comfortable and quite
cheap( rs 100 to 800). Now-days Passive 3D TVs are most popular, however they tend to be
expensive as compared to Active. Here is comparison between these two
1. Passive glasses are easier to use and wear, also cheaper.
2. Active glasses flicker, this might be irritating and gives headache sometimes.
3. Passive 3D result in lower resolution as compared to Active 3D.
4. Active 3D tv requires good refresh rates hence Plasma with Active 3D is best, otherwise for
LCD/LED go for Passive 3D.
5. Experts says Active 3D is better quality images then passive 3D apart from the glass issue, but I
didn't notice any major difference.
3D Content:
Now-days all the major Hollywood movies come out in 3D and they are really treat for your eyes. Bollywood too has focused its attention on 3D. As far as 3D TV channels are concerned there are no 3D TV channels in India apart form the TEST 3D Channel on Videocon D2H which has almost useless programming and 3D quality.If you decide to buy 3D Blue-ray that could be pretty heavy(Rs 1200 min) on your pocket, so finally there is nothing left that you can watch on your 3D TV.
Don't worry there is option get a 3D TV which can play DIVX or other movie types from a USB device, so you can download a loads of 3D movies/ other stuff from internet and watch.YouTube also host lot of 3D videos,also sites like "thepiratebay" have 3D movies which you can watch.
Theater like experience:
Watching 3D movies in theater is a different experience than watching it on your 3D TV. Theater screen size is a huge plus point as the 3D pop out effect directly depends on it, so remember 3D pop-out will depend on your TV size. Now days 3D movies focus more on making the user feel as if he is watching through a window i.e depth rather than all the things popping out. IF you seen Avaatar there is hardly any seen that has a pop out effect, throughout the movie you feel the depth and window effect.So 3D depth again depends on screen size and is limited to size of 3D TV. If you rate the Theater experience of 3D has 100, Home 3D TV experience can range between 80-60% depending upon size of TV.
Bottom-line:
3D TV is new tech and it will take its time to mature, so if you planning to buy a new LED/PLASMA TV and if you can go for 3D feature without being heavy on your pocket go for it.
Notes:
1. Animation in 3D always looks gr8, do check some non animated content on 3D TV before buying.
2. Make sure your 3D TV can play USB 3D Content and get yourself a highs peed (at-least 1mbps) unlimited internet connection so that you can get lot of good 3D content without spending heavily for it.
3. 3D doesn't mean just POP-OUT effect, it nowadays means having the experience of depth and watching through a window.
4. Demo clips that you watch on 3D TV displayed in showroom have excessive pop-outs and depth experience hence don't get disappointed if you don't feel the same while watching a 3D movie or regular 3D content.
5. 2D-3D conversion is useless stuff simply ignore it.
6. LG Cinema 3D is really good, also Samsung, Panasonic and sony also have some good 3D tv models which can be a good option.
So is it the time to buy 3D TV,lets ponder on these points
3D TV technology:
If you watched the 3D movies in theater maybe 10-15 years back 3D tech works on the same principle still now. Video filmed by two separate cameras with slight different angle are projected onto the screen and audience wears the glasses that make sure that right and left eye sees the corresponding images.3D TVs work on the same principle with two different types of TV's in market
1. Active 3D:
In this case the Glasses have the shutter mechanism to make the right and left eye see the
corresponding frames. 3D glasses are heavy and expensive( Rs 3000), you need to get used to
them. However the Active 3D TV is less expensive as compared to Passive 3D. Now-days
companies are manufacturing less heavy and comfortable 3D Glasses.
2. Passive 3D:
TV itself has all the mechanism and hence the polarized glasses are very comfortable and quite
cheap( rs 100 to 800). Now-days Passive 3D TVs are most popular, however they tend to be
expensive as compared to Active. Here is comparison between these two
1. Passive glasses are easier to use and wear, also cheaper.
2. Active glasses flicker, this might be irritating and gives headache sometimes.
3. Passive 3D result in lower resolution as compared to Active 3D.
4. Active 3D tv requires good refresh rates hence Plasma with Active 3D is best, otherwise for
LCD/LED go for Passive 3D.
5. Experts says Active 3D is better quality images then passive 3D apart from the glass issue, but I
didn't notice any major difference.
3D Content:
Now-days all the major Hollywood movies come out in 3D and they are really treat for your eyes. Bollywood too has focused its attention on 3D. As far as 3D TV channels are concerned there are no 3D TV channels in India apart form the TEST 3D Channel on Videocon D2H which has almost useless programming and 3D quality.If you decide to buy 3D Blue-ray that could be pretty heavy(Rs 1200 min) on your pocket, so finally there is nothing left that you can watch on your 3D TV.
Don't worry there is option get a 3D TV which can play DIVX or other movie types from a USB device, so you can download a loads of 3D movies/ other stuff from internet and watch.YouTube also host lot of 3D videos,also sites like "thepiratebay" have 3D movies which you can watch.
Theater like experience:
Watching 3D movies in theater is a different experience than watching it on your 3D TV. Theater screen size is a huge plus point as the 3D pop out effect directly depends on it, so remember 3D pop-out will depend on your TV size. Now days 3D movies focus more on making the user feel as if he is watching through a window i.e depth rather than all the things popping out. IF you seen Avaatar there is hardly any seen that has a pop out effect, throughout the movie you feel the depth and window effect.So 3D depth again depends on screen size and is limited to size of 3D TV. If you rate the Theater experience of 3D has 100, Home 3D TV experience can range between 80-60% depending upon size of TV.
Bottom-line:
3D TV is new tech and it will take its time to mature, so if you planning to buy a new LED/PLASMA TV and if you can go for 3D feature without being heavy on your pocket go for it.
Notes:
1. Animation in 3D always looks gr8, do check some non animated content on 3D TV before buying.
2. Make sure your 3D TV can play USB 3D Content and get yourself a highs peed (at-least 1mbps) unlimited internet connection so that you can get lot of good 3D content without spending heavily for it.
3. 3D doesn't mean just POP-OUT effect, it nowadays means having the experience of depth and watching through a window.
4. Demo clips that you watch on 3D TV displayed in showroom have excessive pop-outs and depth experience hence don't get disappointed if you don't feel the same while watching a 3D movie or regular 3D content.
5. 2D-3D conversion is useless stuff simply ignore it.
6. LG Cinema 3D is really good, also Samsung, Panasonic and sony also have some good 3D tv models which can be a good option.
Friday, March 23, 2012
PLASMA V/s LED v/S LCD TV
CRT TV are done now and they have been a faithful companion till now. The day when I decided
to go for a new TV I had options of Plasma, LED and LCD. I did a plenty of research online
for the options that I should go for. I thought its better to summarize this information
in the way which will be helpful for a consumer like me for simplifying his decision process.
TECHNOLOGY:
Plasma TV: Plasma technology consists of hundreds of thousands of individual pixel cells, which allow electric pulses (stemming from electrodes) to excite rare natural gases-usually xenon and neon-causing them to glow and produce light.
LCD: A matrix of thin-film transistors (TFTs) supplies voltage to liquid-crystal-filled cells.For LCD HDTVs, however, the liquid crystal screen does not illuminate, requiring a separate light source.
For LCD its achieved using cold cathode fluorescent lights (CCFLs) to illuminate the screen.
LED:
LED is one step ahead of LCD with same tech instead of CCFL it uses LED back lighting.
CONTRAST/BLACK LEVEL Winner: Plasma
Plasma:
To achieve full black level Plasma has to just turn off the pixel which results in very high contract
rations and best black levels, some manufactures claim 30,00,000:1 dynamic contrast ratio.
LCD:
LCD tv has to spend maximum power to turn its pixel blacks thus lagging behind in achieving the required
black levels/contrast ratios. The best in bredd LCD claim only 1,00,000:1 dynamic contrast ratios.
LED:
LED has made improvements achieving DCR 9,000,000:1 over LCD but still lags behind Plasma
BRIGHTNESS: Winner: LED
LED due to its extra LED Back light helps to achieve High brightness as compared to Plasma and LCD.
Plasma has better Brightness as compared to LCD.
COLOR ACCURACY: Winner: Plasma
Plasma TV color richness and naturalness will prevail in rooms with lower to normal lighting - yielding a more realistic picture. LED LCD TVs perform better in very brightly lit rooms due to their inherent anti glare technology and brightness.
Check all the three TVS side by side with same video being played LED makes first impression, but if
you just give a thought that you will be watching this picture at least 1-5 hours a day the extra bright
colors may give irritation to your eyes. Plasma give more soothing TV experience with Natural colors, however LED colors are more artificial and extra bright.
VIEWING ANGLE: Winner: Plasma
Plasma achieves 180 degree of viewing angle easily, LCD and LED have around max 120.
COMPUTER USE: Winner: LCD
Earlier Plasma TV had burn in problems, as computer have more static images it was not recommended
to user Plasma Monitors. But now days Plasma TV no longer have burn in issues, however LCD scores
top as Computer use over LED and Plasma.
FAST MOVING VIDEO: Winner: Plasma
Plasma manufactures publish 600hz refresh rate and that of LED/LCD is between 120-240Hz. If you
check out any sports on all the TV's side by side, Plasma will give you the best experience.
SCREEN GLARE: Winner: LED
Plasma TV is more suitable for normal lighting, incase of bright light room LED/LCD is better
LIFE: Winner: ALL
Earlier LCD/LED Tvs where considered having long life, but now days with advance in Plasma technology
all the types have similar life.
SCREEN BURN IN: Winner: LCD/LED TV
Plasma TV had Burn In issues if a certain static image was retained on the screen for several hours.
This is not the case in LCD/LED TV, however Plasma TV also no longer have this issue with modern
technology incorporated into them.
PRODUCTION SIZE AND COST: Winner: Plasma
A 42 inch Plasma TV will cost you around 30-50000, however same LCD/LED tv will be in higher range
above Rs. 50000.Plasma TV have been considered best for Large screen size as compared to LCD/LED TV
POWER CONSUMPTION: Winner: LCD/LED TV.
Here LCD TV tops with more Energy saving followed by LED and then Plasma.
HEAT: Winner: LCD
Plasma TV generate more heat as compared to LCD/LED TVs.
3D:
With 3D tech Plasma has certain advantages such as High Refresh rate, Natural colors and Big screen
sizes. LED TV also has certain advantages like Brightness that is important for 3D.
Final verdict
Plasma TV with new modern Tech is the clear winner with comparison to LED TV.
LCD TV i think should be ignored totally.
1 Plasma
2 LED
3 LCD
Before making a choice few points to ponder
1. High Brightness of LED TV might be good for TV experience perspective, but it might turn harmful
for your eyes if you have a small size room as its like looking into a direct source of Light.
2. Check the LED and Plasma TV side by side and think from a perspective that you will be watching
the TV for at least 1-3 hours and then choose.
3. Panasonic manufactures the best Plasma, but now days LG also has very good Plasma TVs. For LED
TV Sony, Samsung and LG brands are popular.
4. Plasma TV are hard to find in Display in many showrooms as they are less costly and hence have less
margin for the Sales. If you specifically ask the Salesman he might say its old tech and go for LED
remember he is trying to sell a more costly product to make more profits. This is insider info.
to go for a new TV I had options of Plasma, LED and LCD. I did a plenty of research online
for the options that I should go for. I thought its better to summarize this information
in the way which will be helpful for a consumer like me for simplifying his decision process.
TECHNOLOGY:
Plasma TV: Plasma technology consists of hundreds of thousands of individual pixel cells, which allow electric pulses (stemming from electrodes) to excite rare natural gases-usually xenon and neon-causing them to glow and produce light.
LCD: A matrix of thin-film transistors (TFTs) supplies voltage to liquid-crystal-filled cells.For LCD HDTVs, however, the liquid crystal screen does not illuminate, requiring a separate light source.
For LCD its achieved using cold cathode fluorescent lights (CCFLs) to illuminate the screen.
LED:
LED is one step ahead of LCD with same tech instead of CCFL it uses LED back lighting.
CONTRAST/BLACK LEVEL Winner: Plasma
Plasma:
To achieve full black level Plasma has to just turn off the pixel which results in very high contract
rations and best black levels, some manufactures claim 30,00,000:1 dynamic contrast ratio.
LCD:
LCD tv has to spend maximum power to turn its pixel blacks thus lagging behind in achieving the required
black levels/contrast ratios. The best in bredd LCD claim only 1,00,000:1 dynamic contrast ratios.
LED:
LED has made improvements achieving DCR 9,000,000:1 over LCD but still lags behind Plasma
BRIGHTNESS: Winner: LED
LED due to its extra LED Back light helps to achieve High brightness as compared to Plasma and LCD.
Plasma has better Brightness as compared to LCD.
COLOR ACCURACY: Winner: Plasma
Plasma TV color richness and naturalness will prevail in rooms with lower to normal lighting - yielding a more realistic picture. LED LCD TVs perform better in very brightly lit rooms due to their inherent anti glare technology and brightness.
Check all the three TVS side by side with same video being played LED makes first impression, but if
you just give a thought that you will be watching this picture at least 1-5 hours a day the extra bright
colors may give irritation to your eyes. Plasma give more soothing TV experience with Natural colors, however LED colors are more artificial and extra bright.
VIEWING ANGLE: Winner: Plasma
Plasma achieves 180 degree of viewing angle easily, LCD and LED have around max 120.
COMPUTER USE: Winner: LCD
Earlier Plasma TV had burn in problems, as computer have more static images it was not recommended
to user Plasma Monitors. But now days Plasma TV no longer have burn in issues, however LCD scores
top as Computer use over LED and Plasma.
FAST MOVING VIDEO: Winner: Plasma
Plasma manufactures publish 600hz refresh rate and that of LED/LCD is between 120-240Hz. If you
check out any sports on all the TV's side by side, Plasma will give you the best experience.
SCREEN GLARE: Winner: LED
Plasma TV is more suitable for normal lighting, incase of bright light room LED/LCD is better
LIFE: Winner: ALL
Earlier LCD/LED Tvs where considered having long life, but now days with advance in Plasma technology
all the types have similar life.
SCREEN BURN IN: Winner: LCD/LED TV
Plasma TV had Burn In issues if a certain static image was retained on the screen for several hours.
This is not the case in LCD/LED TV, however Plasma TV also no longer have this issue with modern
technology incorporated into them.
PRODUCTION SIZE AND COST: Winner: Plasma
A 42 inch Plasma TV will cost you around 30-50000, however same LCD/LED tv will be in higher range
above Rs. 50000.Plasma TV have been considered best for Large screen size as compared to LCD/LED TV
POWER CONSUMPTION: Winner: LCD/LED TV.
Here LCD TV tops with more Energy saving followed by LED and then Plasma.
HEAT: Winner: LCD
Plasma TV generate more heat as compared to LCD/LED TVs.
3D:
With 3D tech Plasma has certain advantages such as High Refresh rate, Natural colors and Big screen
sizes. LED TV also has certain advantages like Brightness that is important for 3D.
Final verdict
Plasma TV with new modern Tech is the clear winner with comparison to LED TV.
LCD TV i think should be ignored totally.
1 Plasma
2 LED
3 LCD
Before making a choice few points to ponder
1. High Brightness of LED TV might be good for TV experience perspective, but it might turn harmful
for your eyes if you have a small size room as its like looking into a direct source of Light.
2. Check the LED and Plasma TV side by side and think from a perspective that you will be watching
the TV for at least 1-3 hours and then choose.
3. Panasonic manufactures the best Plasma, but now days LG also has very good Plasma TVs. For LED
TV Sony, Samsung and LG brands are popular.
4. Plasma TV are hard to find in Display in many showrooms as they are less costly and hence have less
margin for the Sales. If you specifically ask the Salesman he might say its old tech and go for LED
remember he is trying to sell a more costly product to make more profits. This is insider info.
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