Screen Aspect Ratio
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by Bill Evjen
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Published on Tue, 22 Feb 2011 22:30:38 GMT
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2011/02/22
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Jeffrey Dean, Pixar
- Aspect Ratio is very important to home video.
- What is aspect ratio – the ratio from the height to the width
- 2.35:1
- The image is 2.35 times wide as it is high
- Pixar uses this for half of our movies
- This is called a widescreen image
- When modified to fit your television screen
- They cut this to fit the box of your screen
- When a comparison is made huge chunks of picture is missing
- It is harder to find what is going on when these pieces are missing
- The whole is greater than the pieces themselves. If you are missing pieces – you are missing the movie
- The soul and the mood is in the film shots.
- Cutting it to fit a screen, you are losing 30% of the movie
- Why different aspect ratios?
- Film before the 1950s
- 1.33:1 Academy Standard
- There were all aspects of images though. There was no standard.
- Thomas Edison developed projecting images onto a wall/screen
- He didn’t patent it as he saw no value in it.
- Then 1.37:1 came about to add a strip of sound
- This is the same size as a 35mm film
- Around 1952 – TV comes along
- NTSC Television followed the Academy Standard (4x3)
- Once TV came out, movie theater attendance plummets
- So Film brought forth color to combat this.
- Also early 3D
- Also Widescreen was brought forth.
- Cinema-Scope
- Studios at the time made movies bigger and bigger
- There was a Napoleon movie that was actually 4x1 … really wide.
- 1.85:1 Academy Flat
- 2.35:1 Anamorphic Scope (aka Panavision/Cinemascope)
- Almost all movies are made in these two aspect ratios
- Pixar has done half in one and half in the other
- Why choose one over the other?
- Artist choice
- It is part of the story the director wants to tell
- Can we preserve the story outside of the theaters?
- TVs before 1998 – they were very square
- Now TVs are very wide
- Historical options
- Toy Story released as it was and people cut it in a way that wasn’t liked by the studio
- Pan and Scan is another option
- Cut and then scan left or right depending on where the action is
- Frame Height
- Pixar can go back and animate more picture to account for the bottom/top bars.
- You end up with more sky and more ground
- The characters seem to get lost in the picture
- You lose what the director original intended
- Re-staging
- For animated movies, you can move characters around – restage the scene.
- It is a new completely different version of the film
- This is the best possible option that Pixar came up with
- They have stopped doing this really as the demand as pretty much dropped off
- Why not 1.33 today?
- There has been an evolution of taste and demands.
- VHS is a linear item
- The focus is about portability and not about quality
- Most was pan and scan and the quality was so bad – but people didn’t notice
- DVD was introduced in 1996
- You could have more content – two versions of the film
- You could have the widescreen version and the 1.33 version
- People realized that they are seeing more of the movie with the widescreen
- High Def Televisions (16x9 monitors)
- This was introduced in 2005
- Blu-ray Disc was introduced in 2006
- This is all widescreen
- You cannot find a square TV anymore
- TVs are roughly 1.85:1 aspect ratio
- There is a change in demand
- Users are used to black bars and are used to widescreen
- Users are educated now
- What’s next for in-flight entertainment?
- High Def IFE
- Personal Electronic Devices
- 3D inflight
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