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<text><![CDATA[Orange-innovation.tv - in partnership with Cité des Télécoms, presents<br />]]></text>
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<text><![CDATA[got it!<br />]]></text>
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<text><![CDATA[a programme presented by Eric Hamonou<br />]]></text>
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<text><![CDATA[programme #03 3D television: with or without glasses ?<br />]]></text>
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<text><![CDATA[Hello everyone, and welcome to this<br />]]></text>
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<text><![CDATA[the third edition of 'got it !'<br />]]></text>
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<text><![CDATA[a programme brought to you by Orange-innovation.tv<br />]]></text>
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<text><![CDATA[- in partnership with City des Télécoms at Pleumeur-Bodou<br />]]></text>
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<text><![CDATA[in Brittany's Côtes d'Armor.<br />]]></text>
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<text><![CDATA[So here we are back at Radôme,<br />]]></text>
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<text><![CDATA[where we get together twice a month<br />]]></text>
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<text><![CDATA[for a session of technological body-building -<br />]]></text>
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<text><![CDATA[so that you can, at last, wipe the smile off the faces<br />]]></text>
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<text><![CDATA[of all those know-it-alls.<br />]]></text>
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<text><![CDATA[So, are you ready ?<br />]]></text>
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<text><![CDATA[we're off: one, two, one, two...<br />]]></text>
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<text><![CDATA[3D television: with or without glasses ?<br />]]></text>
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<text><![CDATA[Soon it will become possible to add a little depth to our lives.<br />]]></text>
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<text><![CDATA[In Japan, the United States - and to a lesser extent in France<br />]]></text>
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<text><![CDATA[a new generation of screens is in the pipeline -<br />]]></text>
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<text><![CDATA[which, whilst not offering 'la vie en rose',<br />]]></text>
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<text><![CDATA[will give us three dimensional images.<br />]]></text>
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<text><![CDATA[Some mobile phones, some computers,<br />]]></text>
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<text><![CDATA[some TVs and some cinemas, of course -<br />]]></text>
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<text><![CDATA[are already equipped with such screens.<br />]]></text>
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<text><![CDATA[And although 3D is not yet widespread,<br />]]></text>
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<text><![CDATA[production for 3D screens<br />]]></text>
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<text><![CDATA[- films, documentaries, videogames - is higher than ever before.<br />]]></text>
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<text><![CDATA[Which leaves us thinking that this time, this is it,<br />]]></text>
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<text><![CDATA[3D really is a technology of the future.<br />]]></text>
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<text><![CDATA[Just look at the evidence: after 'Journey to the Centre of the Earth',<br />]]></text>
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<text><![CDATA[released in July 2008,<br />]]></text>
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<text><![CDATA[and 'Monsters vs. Aliens', released last April,<br />]]></text>
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<text><![CDATA[now it's the turn of Avatar - the James Cameron film<br />]]></text>
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<text><![CDATA[due for release next September.<br />]]></text>
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<text><![CDATA[In 2010 we're expecting the release<br />]]></text>
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<text><![CDATA[of the first French 3D film: 'The Night of the Child Kings'<br />]]></text>
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<text><![CDATA[based on the novel by Bernard Lenteric.<br />]]></text>
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<text><![CDATA[Luc Besson is to film episodes 2 and 3 of the Minimoys in 3D.<br />]]></text>
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<text><![CDATA[George Lucas wants to make a 3D version of Star Wars<br />]]></text>
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<text><![CDATA[and both Steven Spielberg and Wim Wenders<br />]]></text>
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<text><![CDATA[also have a few 3D projects up their sleeves.<br />]]></text>
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<text><![CDATA[In terms of TV, things are happening fastest<br />]]></text>
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<text><![CDATA[in Japan, the United States and the United Kingdom.<br />]]></text>
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<text><![CDATA[Japanese channel BS11 has been broadcasting<br />]]></text>
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<text><![CDATA[almost 1 hour of 3D programming a day for almost two years now.<br />]]></text>
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<text><![CDATA[For example, it rebroadcast the entire Beijing Olympics in 3D.<br />]]></text>
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<text><![CDATA[In the United States, a major TV network<br />]]></text>
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<text><![CDATA[has just announced that it will, in 2010,<br />]]></text>
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<text><![CDATA[be launching a 3D channel.<br />]]></text>
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<text><![CDATA[BSkyB has matched this in the United Kingdom.<br />]]></text>
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<text><![CDATA[Here and there, experiments in 3D rebroadcasting<br />]]></text>
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<text><![CDATA[of sports and cultural events are being carried out.<br />]]></text>
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<text><![CDATA[The Italians recently rebroadcast basketball matches,<br />]]></text>
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<text><![CDATA[the BBC in the UK did so with rugby matches,<br />]]></text>
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<text><![CDATA[and Orange in France with the Roland-Garros final,<br />]]></text>
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<text><![CDATA[a football match and a Mozart opera.<br />]]></text>
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<text><![CDATA[It remains true that, up until now, the impression of volume<br />]]></text>
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<text><![CDATA[was only achieved through the classic<br />]]></text>
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<text><![CDATA[perspective effects that artists have been familiar with for at least 6 centuries.<br />]]></text>
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<text><![CDATA[The new screens will allow us to move beyond<br />]]></text>
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<text><![CDATA[these simple trompe-l'oeil techniques,<br />]]></text>
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<text><![CDATA[making full use of the potential of these forces<br />]]></text>
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<text><![CDATA[to give what we might call<br />]]></text>
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<text><![CDATA[a true-false illusion of depth. Demonstration.<br />]]></text>
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<text><![CDATA[3D television: with or without glasses ?<br />]]></text>
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<text><![CDATA[Perhaps you think that a screen<br />]]></text>
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<text><![CDATA[capable of showing films in 3 dimensions<br />]]></text>
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<text><![CDATA[is a highly complex object,<br />]]></text>
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<text><![CDATA[relying on concepts that are absolutely new<br />]]></text>
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<text><![CDATA[and technologies that are just as recent.<br />]]></text>
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<text><![CDATA[Well - if that's what you think, you are completely... wrong !<br />]]></text>
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<text><![CDATA[No, you're not that far off the mark -<br />]]></text>
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<text><![CDATA[because both complexity and technology are present in a 3D screen,<br />]]></text>
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<text><![CDATA[but in the end, what makes a screen 3D<br />]]></text>
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<text><![CDATA[is not so very different from what your<br />]]></text>
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<text><![CDATA[good old TV does.<br />]]></text>
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<text><![CDATA[Instead of broadcasting a single image of each scene,<br />]]></text>
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<text><![CDATA[as your old TV does, it broadcasts two -<br />]]></text>
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<text><![CDATA[one for each of your eyes.<br />]]></text>
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<text><![CDATA[Two images recorded by two cameras<br />]]></text>
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<text><![CDATA[that are 7 centimetres apart -<br />]]></text>
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<text><![CDATA[which is the distance between your eyes - go ahead and check -<br />]]></text>
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<text><![CDATA[so that each eye sees the filmed scene<br />]]></text>
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<text><![CDATA[just as it sees the real scene, and that's it !<br />]]></text>
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<text><![CDATA[All that is needed is to let your brain<br />]]></text>
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<text><![CDATA[do its normal job, which entails<br />]]></text>
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<text><![CDATA[merging these two slightly staggered images together<br />]]></text>
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<text><![CDATA[into one, thus creating<br />]]></text>
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<text><![CDATA[the 3D effect sought after.<br />]]></text>
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<text><![CDATA[Simply ? Well, no, not that simple -<br />]]></text>
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<text><![CDATA[because you have to make sure that each eye only sees<br />]]></text>
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<text><![CDATA[the image that is meant for it,<br />]]></text>
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<text><![CDATA[whilst using only a single screen.<br />]]></text>
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<text><![CDATA[Most of the time, manufacturers choose to project<br />]]></text>
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<text><![CDATA[both images onto the screen simultaneously<br />]]></text>
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<text><![CDATA[and then manage - through a few<br />]]></text>
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<text><![CDATA[crafty mechanisms -<br />]]></text>
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<text><![CDATA[to make sure each image is seen by the eye for which it was intended.<br />]]></text>
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<text><![CDATA[And in order to resolve this crucial problem, there are two schools of thought:<br />]]></text>
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<text><![CDATA[pro-glasses and anti-glasses.<br />]]></text>
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<text><![CDATA[The first propose using the said glasses<br />]]></text>
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<text><![CDATA[as filters which only allow<br />]]></text>
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<text><![CDATA[one of the two images through:<br />]]></text>
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<text><![CDATA[the right one for the right eye and the left one for the left eye.<br />]]></text>
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<text><![CDATA[The oldest of these techniques,<br />]]></text>
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<text><![CDATA[- which those with fond memories of  'La Dernière Séance'  won't have forgotten -<br />]]></text>
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<text><![CDATA[consists of using filters of complementary colours.<br />]]></text>
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<text><![CDATA[The right image is red, and the left image is blue,<br />]]></text>
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<text><![CDATA[which means that - by positioning a blue 'lens' in front of the left eye<br />]]></text>
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<text><![CDATA[and a red one in front of the right eye,<br />]]></text>
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<text><![CDATA[each eye will see only one of the two images.<br />]]></text>
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<text><![CDATA[A variation on this technique consists of<br />]]></text>
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<text><![CDATA[selecting the images on the basis of their polarization<br />]]></text>
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<text><![CDATA[rather than on the basis of their colour.<br />]]></text>
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<text><![CDATA[Each image is associated with a specific polarization -<br />]]></text>
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<text><![CDATA[polarization being a physical property of the light,<br />]]></text>
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<text><![CDATA[just as colour is,<br />]]></text>
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<text><![CDATA[and the polarized lenses also<br />]]></text>
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<text><![CDATA[allow just one of the<br />]]></text>
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<text><![CDATA[two images through.<br />]]></text>
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<text><![CDATA[Last but not least, we have 'active' glasses.<br />]]></text>
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<text><![CDATA[In contrast with the two other techniques,<br />]]></text>
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<text><![CDATA[in this solution the right and left images<br />]]></text>
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<text><![CDATA[are projected one after another, rather than simultaneously.<br />]]></text>
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<text><![CDATA[In this case, the screen is fitted with a little transmitter<br />]]></text>
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<tcIn>00:04:48</tcIn>
<tcOut>00:04:51</tcOut>
<text><![CDATA[to signal to your glasses  (which, in turn, have a receiver)<br />]]></text>
</item>
<item>
<tcIn>00:04:51</tcIn>
<tcOut>00:04:54</tcOut>
<text><![CDATA[whether it is the right or left image that is broadcast.<br />]]></text>
</item>
<item>
<tcIn>00:04:54</tcIn>
<tcOut>00:04:56</tcOut>
<text><![CDATA[This information allows the glasses<br />]]></text>
</item>
<item>
<tcIn>00:04:56</tcIn>
<tcOut>00:04:58</tcOut>
<text><![CDATA[to obscure the eye which is not concerned by the image.<br />]]></text>
</item>
<item>
<tcIn>00:04:58</tcIn>
<tcOut>00:05:00</tcOut>
<text><![CDATA[In fact each of the glasses' lenses<br />]]></text>
</item>
<item>
<tcIn>00:05:00</tcIn>
<tcOut>00:05:03</tcOut>
<text><![CDATA[is a real LCD screen<br />]]></text>
</item>
<item>
<tcIn>00:05:03</tcIn>
<tcOut>00:05:05</tcOut>
<text><![CDATA[capable of moving between<br />]]></text>
</item>
<item>
<tcIn>00:05:05</tcIn>
<tcOut>00:05:07</tcOut>
<text><![CDATA[transparency and total opacity at will.<br />]]></text>
</item>
<item>
<tcIn>00:05:07</tcIn>
<tcOut>00:05:09</tcOut>
<text><![CDATA[The orientation of the crystals is<br />]]></text>
</item>
<item>
<tcIn>00:05:09</tcIn>
<tcOut>00:05:11</tcOut>
<text><![CDATA[controlled by a small magnetic field.<br />]]></text>
</item>
<item>
<tcIn>00:05:11</tcIn>
<tcOut>00:05:13</tcOut>
<text><![CDATA[This obscuring process happens about<br />]]></text>
</item>
<item>
<tcIn>00:05:13</tcIn>
<tcOut>00:05:15</tcOut>
<text><![CDATA[140 times per second for a cinema screen<br />]]></text>
</item>
<item>
<tcIn>00:05:15</tcIn>
<tcOut>00:05:17</tcOut>
<text><![CDATA[and between 50 and 100 times per second for a TV -<br />]]></text>
</item>
<item>
<tcIn>00:05:17</tcIn>
<tcOut>00:05:19</tcOut>
<text><![CDATA[which is quite fast enough<br />]]></text>
</item>
<item>
<tcIn>00:05:19</tcIn>
<tcOut>00:05:22</tcOut>
<text><![CDATA[to prevent us having time to notice the subterfuge.<br />]]></text>
</item>
<item>
<tcIn>00:05:22</tcIn>
<tcOut>00:05:24</tcOut>
<text><![CDATA[Moreover, having tested the procedure,<br />]]></text>
</item>
<item>
<tcIn>00:05:24</tcIn>
<tcOut>00:05:27</tcOut>
<text><![CDATA[let me tell you that it is very, very effective - breathtaking, really.<br />]]></text>
</item>
<item>
<tcIn>00:05:27</tcIn>
<tcOut>00:05:29</tcOut>
<text><![CDATA[Now, all of these techniques are very enticing -<br />]]></text>
</item>
<item>
<tcIn>00:05:29</tcIn>
<tcOut>00:05:31</tcOut>
<text><![CDATA[but they do involve wearing glasses,<br />]]></text>
</item>
<item>
<tcIn>00:05:31</tcIn>
<tcOut>00:05:33</tcOut>
<text><![CDATA[which is a bit inconvenient.<br />]]></text>
</item>
<item>
<tcIn>00:05:33</tcIn>
<tcOut>00:05:35</tcOut>
<text><![CDATA[Not everyone will appreciate this.<br />]]></text>
</item>
<item>
<tcIn>00:05:35</tcIn>
<tcOut>00:05:37</tcOut>
<text><![CDATA[So, the manufacturers looked for an alternative,<br />]]></text>
</item>
<item>
<tcIn>00:05:37</tcIn>
<tcOut>00:05:39</tcOut>
<text><![CDATA[and have come up with a screen that is very different<br />]]></text>
</item>
<item>
<tcIn>00:05:39</tcIn>
<tcOut>00:05:41</tcOut>
<text><![CDATA[because it is covered with microprisms.<br />]]></text>
</item>
<item>
<tcIn>00:05:41</tcIn>
<tcOut>00:05:43</tcOut>
<text><![CDATA[Using this trick,<br />]]></text>
</item>
<item>
<tcIn>00:05:43</tcIn>
<tcOut>00:05:45</tcOut>
<text><![CDATA[both images are projected at the same time,<br />]]></text>
</item>
<item>
<tcIn>00:05:45</tcIn>
<tcOut>00:05:47</tcOut>
<text><![CDATA[and as they travel, they hit different faces of the microprisms,<br />]]></text>
</item>
<item>
<tcIn>00:05:47</tcIn>
<tcOut>00:05:49</tcOut>
<text><![CDATA[and are therefore reflected in two directions,<br />]]></text>
</item>
<item>
<tcIn>00:05:49</tcIn>
<tcOut>00:05:51</tcOut>
<text><![CDATA[each of which is also different.<br />]]></text>
</item>
<item>
<tcIn>00:05:51</tcIn>
<tcOut>00:05:53</tcOut>
<text><![CDATA[The right image is reflected to the right, and the left image to the left.<br />]]></text>
</item>
<item>
<tcIn>00:05:53</tcIn>
<tcOut>00:05:55</tcOut>
<text><![CDATA[In theory, then, there is no longer any need for glasses<br />]]></text>
</item>
<item>
<tcIn>00:05:55</tcIn>
<tcOut>00:05:57</tcOut>
<text><![CDATA[to separate the two images.<br />]]></text>
</item>
<item>
<tcIn>00:05:57</tcIn>
<tcOut>00:05:59</tcOut>
<text><![CDATA[These procedures work pretty well on small screens -<br />]]></text>
</item>
<item>
<tcIn>00:05:59</tcIn>
<tcOut>00:06:01</tcOut>
<text><![CDATA[on mobile phones, for example -<br />]]></text>
</item>
<item>
<tcIn>00:06:01</tcIn>
<tcOut>00:06:04</tcOut>
<text><![CDATA[but on large screens the result is nowhere near as good -<br />]]></text>
</item>
<item>
<tcIn>00:06:04</tcIn>
<tcOut>00:06:06</tcOut>
<text><![CDATA[it can even be unpleasant to view.<br />]]></text>
</item>
<item>
<tcIn>00:06:06</tcIn>
<tcOut>00:06:09</tcOut>
<text><![CDATA[So, if you are tempted by 3D, you'll have to get used to the idea of wearing glasses !<br />]]></text>
</item>
<item>
<tcIn>00:06:09</tcIn>
<tcOut>00:06:13</tcOut>
<text><![CDATA[got it!<br />]]></text>
</item>
<item>
<tcIn>00:06:13</tcIn>
<tcOut>00:06:15</tcOut>
<text><![CDATA[Well, that's the end of our programme for today<br />]]></text>
</item>
<item>
<tcIn>00:06:15</tcIn>
<tcOut>00:06:17</tcOut>
<text><![CDATA[we'll be back in two weeks<br />]]></text>
</item>
<item>
<tcIn>00:06:17</tcIn>
<tcOut>00:06:19</tcOut>
<text><![CDATA[for a new edition of  'got it !' -<br />]]></text>
</item>
<item>
<tcIn>00:06:19</tcIn>
<tcOut>00:06:21</tcOut>
<text><![CDATA[the programme which gives you all the detail about new innovations.<br />]]></text>
</item>
<item>
<tcIn>00:06:21</tcIn>
<tcOut>00:06:23</tcOut>
<text><![CDATA[See you very soon on Orange-innovation.tv<br />]]></text>
</item>
<item>
<tcIn>00:06:30</tcIn>
<tcOut>00:06:32</tcOut>
<text><![CDATA[Innovation has found its television.<br />]]></text>
</item>
</mySub>
