Secretul Slow Motion Perfect în DaVinci Resolve 🎥
Cristi Gordas
[{'start': '0.639', 'end': '6.119', 'text': 'There is a very common type of effect that is not\nin the effects panel, it'}, {'start': '6.119', 'end': '13.079', 'text': 'is not in OpenFX, nor in FX, it is in the inspector.  It may not even be in the inspector.'}, {'start': '13.079', 'end': '16.920', 'text': 'I mean everything related to\ngear changes.'}, {'start': '17.000', 'end': '23.079', 'text': 'In Resolve there are several ways to work\nwith this.  In this tutorial we will see three methods.   The'}, {'start': '23.320', 'end': '26.960', 'text': 'easy method and then the advanced ones.'}, {'start': '26.960', 'end': '32.960', 'text': "I'm going to select\nthis clip and I'd like to change its speed to 50%."}, {'start': '32.960', 'end': '37.840', 'text': 'For this, in the inspector we\nclick on Speed \u200b\u200bChange to expand the attributes'}, {'start': '37.840', 'end': '43.679', 'text': 'and among others we have the Change Speed \u200b\u200bfield\nand the Frames Per second field.   We'}, {'start': '44.000', 'end': '48.280', 'text': 'can modify any of these in order\nto change the speed.   The'}, {'start': '48.800', 'end': '54.000', 'text': 'simplest is obviously to use the percentage.\n100% is the actual speed,'}, {'start': '54.000', 'end': '58.119', 'text': 'above 100 is fast camera and below 100 is slow camera.'}, {'start': '58.119', 'end': '63.480', 'text': "So, here I'm going to change 100 to 50 and press Enter."}, {'start': '63.480', 'end': '65.039', 'text': ', what happened?'}, {'start': '65.039', 'end': '71.079', 'text': 'First of all, the clip, or at least the fragment of the clip that is on the timeline, has'}, {'start': '71.079', 'end': '73.119', 'text': 'not changed its length.'}, {'start': '73.119', 'end': '80.480', 'text': 'Many expect that when they change the speed, the duration of the fragment will also change, but in this case nothing has changed.'}, {'start': '80.480', 'end': '84.400', 'text': 'Secondly, this icon appears in the bottom left.'}, {'start': '84.400', 'end': '91.519', 'text': 'And indeed, when we press play, we see that the system is now running at 50% in this fragment.'}, {'start': '91.519', 'end': '92.960', 'text': 'So, the first conclusions.'}, {'start': '93.159', 'end': '93.679', 'text': 'One,'}, {'start': '93.679', 'end': '100.760', 'text': "Default!  when you make a speed change\nin DaVinci, it doesn't affect the length of the clip,"}, {'start': '100.760', 'end': '102.480', 'text': 'at least not yet.'}, {'start': '102.480', 'end': '103.440', 'text': 'Two!'}, {'start': '103.440', 'end': '107.519', 'text': 'The quality of the animation will depend on various factors.'}, {'start': '107.519', 'end': '110.320', 'text': 'In this case we have\na clip whose camera frame rate'}, {'start': '110.320', 'end': '112.599', 'text': 'is equal to the timeline frame rate.'}, {'start': '112.599', 'end': '116.119', 'text': 'Therefore,\nwhen we change the speed downwards, the'}, {'start': '116.119', 'end': '121.719', 'text': 'system is forced to draw and create\nnew frames.'}, {'start': '121.719', 'end': '125.320', 'text': 'By default, what the system does is repeat frames.'}, {'start': '125.320', 'end': '130.440', 'text': 'Notice that every time the pointer advances,'}, {'start': '130.440', 'end': '135.960', 'text': 'every two frames, the frame changes.\nTherefore, the system doubles the frames.'}, {'start': '135.960', 'end': '143.559', 'text': 'If I set it to 25, the system would repeat each frame\nfour times.'}, {'start': '143.559', 'end': '147.199', 'text': 'Therefore, we lose quality here.'}, {'start': '147.199', 'end': '153.400', 'text': 'What solutions do we have to have\nhigh-quality speed effects?   The'}, {'start': '153.400', 'end': '156.960', 'text': 'first solution is to record at a higher framerate\n.'}, {'start': '156.960', 'end': '163.400', 'text': 'If we record, for example, at 120 frames per second and insert that clip into the timeline,'}, {'start': '163.400', 'end': '167.559', 'text': 'by default it will behave as if it were recorded at 25.'}, {'start': '167.559', 'end': '170.679', 'text': 'But when we set values \u200b\u200bbelow 100, the'}, {'start': '170.679', 'end': '176.800', 'text': 'system will detect that there are more original frames from the camera and will use them.'}, {'start': '176.800', 'end': '183.920', 'text': 'Therefore, it does not draw new frames, but uses native frames and thus we obtain much better quality.    The'}, {'start': '183.920', 'end': '190.320', 'text': 'second option would be to modify the algorithm by which the system creates frames.'}, {'start': '190.320', 'end': '198.639', 'text': 'And for this, in the inspector, at the bottom, we need to go to the Retime and Scaling section.'}, {'start': '198.639', 'end': '200.440', 'text': 'Here we have Retime Process'}, {'start': '200.599', 'end': '209.039', 'text': 'with four options: Project Settings, Nearest,\nFrame Blend and Optical Flow.'}, {'start': '209.039', 'end': '212.519', 'text': 'At this point, the first and second options are exactly the same,'}, {'start': '212.639', 'end': '215.599', 'text': 'as the default option is Nearest.'}, {'start': '215.599', 'end': '218.880', 'text': 'Nearest is what I described earlier,'}, {'start': '218.880', 'end': '224.280', 'text': 'i.e. repeating frames two, three, four, five times, as many times as necessary.'}, {'start': '224.280', 'end': '231.079', 'text': 'If I keep the\nspeed percentage and switch'}, {'start': '231.079', 'end': '237.599', 'text': 'to Frame Blend, things change.  Now the animation\nis of slightly better quality than before.'}, {'start': '237.599', 'end': '243.559', 'text': 'Frame Blend attempts to draw new frames by\nusing existing frames'}, {'start': '243.559', 'end': '253.559', 'text': 'and merging them to create genuine frames.   The\nadvantage!  is that it is a little more fluid than Nearest.   The'}, {'start': '254.079', 'end': '262.320', 'text': 'downside is that the frames are completely made up,\nand of course, since essentially what the system does is,'}, {'start': '262.360', 'end': '267.039', 'text': 'in quotes, it does a cross dissolve\nbetween groups of frames,'}, {'start': '267.039', 'end': '271.079', 'text': 'sometimes we have problems like this.'}, {'start': '271.079', 'end': '280.440', 'text': 'Notice how we have this problem.\nWhen we have a moving object,'}, {'start': '280.679', 'end': '285.920', 'text': 'because the two frames show it differently,\nwhen they are merged, we have the ghosting effect, the doubling effect.'}, {'start': '286.559', 'end': '290.039', 'text': 'What do we have in addition to Frame Blend?'}, {'start': '290.039', 'end': '293.920', 'text': 'We have Optical Flow, which is what we really like.  This one is more modern.'}, {'start': '293.920', 'end': '299.719', 'text': 'Optical Flow analyzes the movement of objects in the image'}, {'start': '299.719', 'end': '301.800', 'text': 'to try to imagine what the'}, {'start': '301.800', 'end': '305.280', 'text': 'frames it needs to create should look like.'}, {'start': '305.280', 'end': '309.239', 'text': 'As you can see, now the plane looks much better than before, much more defined.'}, {'start': '309.719', 'end': '315.679', 'text': 'However, at the wingtips we still have the problem of\nghosting.  This usually happens'}, {'start': '315.679', 'end': '318.199', 'text': "because of the camera's shutter speed, the"}, {'start': '318.199', 'end': '319.920', 'text': 'shutter speed, the'}, {'start': '319.920', 'end': '325.119', 'text': "sensor's readout speed, and other factors."}, {'start': '325.119', 'end': '328.320', 'text': 'So, it seems that\nwithin Optical Flow'}, {'start': '328.320', 'end': '330.239', 'text': 'we have levels of quality.'}, {'start': '330.239', 'end': '336.360', 'text': 'We have them right below, in Motion Estimation.\nHere we have different options.'}, {'start': '337.159', 'end': '344.840', 'text': 'Basically, the lower we choose an option, the\nhigher the quality of the effect, but at the cost of the'}, {'start': '344.840', 'end': '350.400', 'text': "machine's performance.  And, in fact, we must distinguish\nbetween these first three options, Standard,"}, {'start': '350.519', 'end': '356.280', 'text': 'Better and Enhanced, and the last two, SpeedWarp.  The difference is\nthat the latter two'}, {'start': '356.639', 'end': '363.199', 'text': 'use the DaVinci Neural Engine to make this\nestimate.  Of course, using the Neural'}, {'start': '363.239', 'end': '368.039', 'text': 'Engine we will have much more precision, much more\nquality, in fact I will do this,'}, {'start': '368.239', 'end': '373.400', 'text': "I will select SpeedWarp Better here.  And now notice\nthat I'm updating the image and"}, {'start': '373.400', 'end': '381.159', 'text': "here you have it.  See, now it's perfect.  But if I\npress play now, I won't be able to play in real time, I"}, {'start': '381.159', 'end': '384.679', 'text': "'ll have to cache this clip to be able to\nplayback."}, {'start': '384.719', 'end': '388.519', 'text': 'Not to mention the fact that precisely because I use the DaVinci Neural Engine,'}, {'start': '388.599', 'end': '393.920', 'text': 'this tool, these options are only available for the Studio version.'}, {'start': '393.920', 'end': '396.320', 'text': 'So, you have these levels of quality.    At'}, {'start': '396.360', 'end': '403.159', 'text': 'this point, you\'ll say, "\nOf course we\'ll always use Optical Flow."'}, {'start': '403.159', 'end': '409.960', 'text': 'And, in fact, with Standard Better, for many cases, it will be enough.'}, {'start': '410.000', 'end': '413.519', 'text': "I'm sure Standard Better is enough.   You have"}, {'start': '413.519', 'end': '419.400', 'text': "good quality, the machine will work well, you don't need a super PC to do this."}, {'start': '419.400', 'end': '421.000', 'text': 'So, it would be good if,'}, {'start': '421.000', 'end': '427.639', 'text': 'at the project level and implicitly, they already had this\nconfiguration'}, {'start': '427.639', 'end': '430.719', 'text': "and we didn't have to change it clip by clip in the inspector."}, {'start': '430.719', 'end': '433.599', 'text': 'In Project Settings, Master Seating'}, {'start': '433.599', 'end': '436.559', 'text': 'at the bottom,'}, {'start': '436.599', 'end': '440.039', 'text': 'we have Frame Interpolation,'}, {'start': '440.039', 'end': '442.480', 'text': 'As you can see, the default is set to Nearest.   I'}, {'start': '442.480', 'end': '445.119', 'text': 'can set it'}, {'start': '445.119', 'end': '451.079', 'text': 'to use Optical Flow for all clips I change speed on from now on.   I'}, {'start': '451.079', 'end': '453.079', 'text': 'can even set Speed \u200b\u200bWarp,'}, {'start': '453.079', 'end': '454.719', 'text': 'although this is a bit risky'}, {'start': '454.719', 'end': '456.000', 'text': "because it's not always necessary"}, {'start': '456.000', 'end': '462.039', 'text': 'and if you use it on all the clips in the timeline, the computer can actually freeze.'}, {'start': '462.039', 'end': '465.000', 'text': "So I probably wouldn't do that."}, {'start': '465.000', 'end': '468.679', 'text': 'Returning to Speed \u200b\u200bChange,'}, {'start': '468.679', 'end': '473.039', 'text': 'in either case, as you can see, the duration of the clip did not change.'}, {'start': '473.039', 'end': '475.559', 'text': "Well, I'm resetting the panel."}, {'start': '475.559', 'end': '480.840', 'text': "I'm going to do the same thing again as before, but this time, before changing the percentage,"}, {'start': '480.840', 'end': '483.199', 'text': "I'm going to check this box."}, {'start': '483.320', 'end': '485.639', 'text': 'Ripple Timeline.  I tick it.'}, {'start': '485.639', 'end': '492.480', 'text': 'Change it back to 50 and notice\nthat this time it changed the'}, {'start': '492.480', 'end': '495.599', 'text': "segment duration.  Actually, it's not just visual."}, {'start': '495.599', 'end': '497.399', 'text': 'Here in the inspector we have Duration,'}, {'start': '497.560', 'end': '500.560', 'text': 'before it said 3-0-1 and now it says 6-0-2.'}, {'start': '500.560', 'end': '504.359', 'text': 'So, you can\nmake the clip duration change,'}, {'start': '504.680', 'end': '512.279', 'text': 'just check this box and pay attention.  This box must be checked before doing anything else.'}, {'start': '512.279', 'end': '516.600', 'text': "If you uncheck it later and set something, there's no going back."}, {'start': '516.600', 'end': '523.920', 'text': 'So I had to reset everything I did to be\nable to use this option.'}, {'start': '523.920', 'end': '531.319', 'text': 'Then, if you do this with clips that have audio, you have the option of pitch correction.  If enabled, the'}, {'start': '531.319', 'end': '538.680', 'text': 'system will try to make the sound\nneither lower nor higher when you make changes,'}, {'start': '538.680', 'end': '543.600', 'text': 'but only faster or slower.\nIf you uncheck pitch, it obviously'}, {'start': '543.600', 'end': '548.640', 'text': "won't do that, so the sound will automatically distort."}, {'start': '548.640', 'end': '550.399', 'text': 'But generally, when we use this option,'}, {'start': '550.399', 'end': '552.359', 'text': "it's for interviews where"}, {'start': '552.359', 'end': '556.359', 'text': 'the interviewee was talking too fast,'}, {'start': '556.760', 'end': '560.399', 'text': 'had a pace that was too fast for the overall tone of\nthe report,'}, {'start': '560.399', 'end': '566.039', 'text': "so we slow it down a bit and, of course, we have to keep the pitch so that the trick isn't noticed.   I'll"}, {'start': '566.039', 'end': '568.920', 'text': 'tell you something.  To avoid being noticed,'}, {'start': '568.920', 'end': '572.720', 'text': 'in addition to the fact\nthat pitch correction is enabled, you must'}, {'start': '572.720', 'end': '579.359', 'text': 'not abuse this value.  If you change it below\n90%, it will definitely be noticeable.'}, {'start': '579.640', 'end': '585.439', 'text': 'So, you should work between\n91 and 100. You cannot exceed this value.'}, {'start': '586.000', 'end': '590.279', 'text': 'Apart from that, we have these three directional buttons.'}, {'start': '590.279', 'end': '594.439', 'text': 'The second reverses the playback speed, the'}, {'start': '594.439', 'end': '597.720', 'text': 'playback direction\nof the clip, that is,'}, {'start': '597.880', 'end': '600.039', 'text': 'from the end to the beginning.'}, {'start': '600.039', 'end': '604.000', 'text': 'And the last icon, the\nsnowflake,'}, {'start': '604.000', 'end': '606.159', 'text': 'is freeze frame.'}, {'start': '606.159', 'end': '608.479', 'text': 'I mean, I want this animation\nto stop'}, {'start': '608.479', 'end': '612.279', 'text': 'and from here on out I want to freeze this frame.   I'}, {'start': '612.279', 'end': '614.239', 'text': 'release the pointer,'}, {'start': '614.239', 'end': '617.079', 'text': 'click on the\nsnowflake, the'}, {'start': '617.079', 'end': '619.119', 'text': 'system makes a cut,'}, {'start': '619.760', 'end': '624.560', 'text': 'here I have the video and here I have the frame extended to the end.'}, {'start': '624.760', 'end': '630.760', 'text': 'This would be the first quick method to make a freeze frame.'}, {'start': '630.760', 'end': '637.880', 'text': 'As you can see, this is the simple option, simple, fast, effective effects.   You can'}, {'start': '637.880', 'end': '643.760', 'text': 'access the advanced mode by\nright-clicking on the clip.'}, {'start': '643.760', 'end': '646.800', 'text': 'In the central part of the menu we have'}, {'start': '646.800', 'end': '651.199', 'text': 'RETIME CONTROLS or, if you\nprefer, command R,'}, {'start': '651.199', 'end': '653.520', 'text': 'where these markings appear.'}, {'start': '653.520', 'end': '656.840', 'text': ', we have these triangles,'}, {'start': '656.840', 'end': '658.880', 'text': 'we have the initial percentage which is 100%'}, {'start': '659.079', 'end': '664.520', 'text': "and in this triangle we have options to do\nnew things.   I'll"}, {'start': '664.520', 'end': '667.560', 'text': 'show you the most important ones this way.'}, {'start': '667.560', 'end': '673.399', 'text': "I'm going to place the pointer here and create\nsomething called a speedpoint."}, {'start': '674.319', 'end': '679.800', 'text': 'As you can see, I got this control and now I have one speed control for this part of the clip'}, {'start': '679.960', 'end': '681.960', 'text': 'and another for this part.'}, {'start': '681.960', 'end': '687.439', 'text': 'I mean, I can have two different percentages without having to make any cuts.'}, {'start': '687.439', 'end': '692.800', 'text': "I'll do another speedpoint, I now\nhave three segments and I'll make changes."}, {'start': '692.800', 'end': '694.359', 'text': 'So, I go to this one,'}, {'start': '694.359', 'end': '699.439', 'text': 'I click, and here in ChangeSpeed \u200b\u200bI can choose different percentages.'}, {'start': '699.439', 'end': '701.439', 'text': 'But is it happening?'}, {'start': '701.439', 'end': '706.840', 'text': "Now I can't enter the exact value.  I need to choose a value from the list."}, {'start': '706.840', 'end': '709.640', 'text': "I'll choose 75."}, {'start': '709.640', 'end': '715.199', 'text': 'Now I have slow motion in this fragment.'}, {'start': '715.399', 'end': '718.279', 'text': 'Notice that this time the duration has changed'}, {'start': '718.279', 'end': '722.039', 'text': 'and the blue triangles have changed to yellow.'}, {'start': '722.039', 'end': '726.000', 'text': 'Yellow means value\nbelow 100.'}, {'start': '726.000', 'end': '728.399', 'text': "Here I'm going to leave it at 100"}, {'start': '728.399', 'end': '731.279', 'text': "on the third one, I'm going to set it to 110."}, {'start': '731.960', 'end': '735.119', 'text': 'As you can see, the\nduration has changed here too,'}, {'start': '735.359', 'end': '737.000', 'text': 'but notice something,'}, {'start': '737.000', 'end': '742.000', 'text': 'if I do this in normal mode,\nthis will happen.   It'}, {'start': '743.920', 'end': '748.239', 'text': 'generates goals, because it reduces the duration, it creates\ngoals.'}, {'start': '748.239', 'end': '749.199', 'text': 'Remember that if you'}, {'start': '749.199', 'end': '753.800', 'text': "want to avoid accidentally creating gaps, it\n's best to have trim mode enabled."}, {'start': '754.199', 'end': '757.640', 'text': "So, now I'm trying again."}, {'start': '757.640', 'end': '758.319', 'text': '110.'}, {'start': '758.319', 'end': '764.239', 'text': 'This time move the clips on the right and left to maintain the cut.'}, {'start': '764.239', 'end': '769.600', 'text': 'So, you have the option to combine\neverything.'}, {'start': '769.960', 'end': '771.560', 'text': 'now I have slow motion,'}, {'start': '771.560', 'end': '772.760', 'text': 'normal speed,'}, {'start': '772.760', 'end': '774.079', 'text': 'fast speed.'}, {'start': '774.079', 'end': '778.399', 'text': 'And if here we want a percentage that is not 75.'}, {'start': '778.399', 'end': '781.239', 'text': 'Notice that the speedpoint,'}, {'start': '781.239', 'end': '783.720', 'text': 'if you look, has a high end'}, {'start': '783.720', 'end': '785.439', 'text': 'and a low end.   We'}, {'start': '785.439', 'end': '788.760', 'text': 'can move the speedpoint with the mouse,'}, {'start': '788.760', 'end': '792.960', 'text': 'but depending on where you grab it, up or down,'}, {'start': '792.960', 'end': '794.520', 'text': 'the effect is different.'}, {'start': '794.520', 'end': '796.479', 'text': 'If we grab it from above,'}, {'start': '796.479', 'end': '801.520', 'text': 'we modify the duration of the previous segment'}, {'start': '801.520', 'end': '805.520', 'text': 'and also the speed percentage.'}, {'start': '805.520', 'end': '806.680', 'text': 'Now I have 56.'}, {'start': '806.760', 'end': '815.479', 'text': "If we grab it from the bottom, it also changes the duration, but it doesn't\nchange the speed."}, {'start': '816.319', 'end': '818.880', 'text': '56% is perfect for me.'}, {'start': '819.000', 'end': '821.680', 'text': 'You can repeat it.'}, {'start': '821.680', 'end': '825.920', 'text': 'Each speedpoint controls the segment to its left.'}, {'start': '825.920', 'end': '830.279', 'text': 'The question is, how do I modify the last segment?'}, {'start': '830.279', 'end': '835.039', 'text': 'Here, on the right, there is no speedpoint because the clip\nends.'}, {'start': '835.039', 'end': '838.000', 'text': 'If we use the roll tool,'}, {'start': '838.000', 'end': '843.520', 'text': 'we can change the duration without changing the speed.'}, {'start': '843.520', 'end': '848.359', 'text': 'And if we now place the mouse at the top,'}, {'start': '849.560', 'end': '857.920', 'text': 'notice that the mouse becomes a double black arrow.   It\nallows me to change the duration and speed simultaneously.'}, {'start': '857.920', 'end': '861.359', 'text': 'So, there is no problem that there\nis no speedpoint,'}, {'start': '861.359', 'end': '865.199', 'text': 'because the cutpoint works perfectly.'}, {'start': '865.199', 'end': '868.039', 'text': 'There are several things we can do.'}, {'start': '868.039', 'end': '874.439', 'text': 'For example, we can repeat the segment by an appropriate percentage.   We'}, {'start': '874.439', 'end': '875.800', 'text': 'can make a speed ramp that'}, {'start': '875.800', 'end': '878.560', 'text': 'goes from the initial value to 0'}, {'start': '878.560', 'end': '884.600', 'text': 'or vice versa, that is, from 0 to 56'}, {'start': '884.640', 'end': '888.239', 'text': 'or from 56 to 0. Ramp down or up.'}, {'start': '888.239', 'end': '890.479', 'text': 'We have, of course, freeze frame.'}, {'start': '890.479', 'end': '892.279', 'text': 'I select this second fragment, I'}, {'start': '892.279', 'end': '894.000', 'text': 'call it freeze frame.  He'}, {'start': '894.000', 'end': '895.560', 'text': 'created it for me here.'}, {'start': '895.560', 'end': '897.319', 'text': 'And this icon,'}, {'start': '897.319', 'end': '902.239', 'text': 'these red lines, show me that the frame is frozen.   It'}, {'start': '902.239', 'end': '903.199', 'text': 'cut it off for me here.'}, {'start': '903.199', 'end': '904.000', 'text': 'I have slow motion,'}, {'start': '904.000', 'end': '904.680', 'text': 'freeze frame,'}, {'start': '904.680', 'end': '906.800', 'text': 'real slow motion.'}, {'start': '906.800', 'end': '910.079', 'text': 'The problem is that in all cases the'}, {'start': '910.079', 'end': '914.520', 'text': 'following thing happens: these\npercentage changes are instantaneous.  That is,'}, {'start': '914.520', 'end': '921.840', 'text': 'from 0 it immediately jumps to 56. There is no acceleration.\nAnd from 56 to 100 it does not increase gradually,'}, {'start': '921.840', 'end': '929.399', 'text': "but changes abruptly.  If we don't like this,\nwe move on to the third method of changing the speed."}, {'start': '929.399', 'end': '932.079', 'text': 'Right click,'}, {'start': '932.079', 'end': '934.000', 'text': 'retime [ __ ].'}, {'start': '934.000', 'end': '938.000', 'text': 'Here we have a graph\nthat represents each speed'}, {'start': '938.000', 'end': '940.920', 'text': 'point, as if it were a keyframe.    The'}, {'start': '940.920', 'end': '943.680', 'text': 'horizontal lines are the segments,'}, {'start': '943.680', 'end': '946.960', 'text': 'and the height at which each line is located is the percentage of speed.'}, {'start': '946.960', 'end': '949.359', 'text': 'So, really, since this'}, {'start': '949.359', 'end': '951.079', 'text': '0 is down here,'}, {'start': '951.079', 'end': '953.560', 'text': '56 is up here,'}, {'start': '953.560', 'end': '956.079', 'text': '100 is up here,'}, {'start': '956.079', 'end': '962.800', 'text': 'really, here we have some steps that define that the change is abrupt.'}, {'start': '962.800', 'end': '967.840', 'text': 'But we can take any keyframe'}, {'start': '967.840', 'end': '970.720', 'text': 'and with these two controls change'}, {'start': '970.720', 'end': '972.760', 'text': 'from linear to nonlinear.'}, {'start': '974.680', 'end': '983.239', 'text': 'And here we draw a curve where from 56 it will\ngradually slow down to 0. It would be And'}, {'start': '983.239', 'end': '986.039', 'text': 'of course with any other keyframe,'}, {'start': '986.199', 'end': '991.560', 'text': 'even with a selection you can select\nmultiple and make the change.'}, {'start': '991.840', 'end': '993.520', 'text': "Once you're done,"}, {'start': '993.520', 'end': '997.960', 'text': 'right-click and click on\nretime curves to close this panel.'}, {'start': '998.279', 'end': '1002.159', 'text': "If you're done with this, we can click the\nX to close the retime controls, we're"}, {'start': '1002.399', 'end': '1008.600', 'text': "not disabling the effect!  -we just make sure we don't change\nanything by mistake."}, {'start': '1008.600', 'end': '1014.239', 'text': 'And we always have these icons to know that there are speed changes here.  And in either case,'}, {'start': '1014.239', 'end': '1020.239', 'text': 'what we set in the retime process or in the project\nsettings will define the quality of the'}, {'start': '1020.239', 'end': '1026.159', 'text': 'animation we create.  So, this is how to\ncreate the effect at the post-production level.'}, {'start': '1026.199', 'end': '1033.399', 'text': 'In another lesson we will see how to work with a clip whose\nnative frame rate is higher than that of the sequence and,'}, {'start': '1033.399', 'end': '1034.880', 'text': 'therefore, be able to choose differently.'}]