Things you always wanted to know the answer to [Vol. 4]

Things you always wanted to know the answer to [Vol. 4]

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Clockwork Cupcake

74,919 posts

274 months

Sunday 14th July 2019
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Sounds like a Parroty Error to me.

Dr Jekyll

23,820 posts

263 months

Monday 15th July 2019
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What did the demographic who buy SUVs buy before there were SUVs? Did they just buy Cortinas/Sierras/Cavaliers and get the kids to walk to school?

Ayahuasca

27,428 posts

281 months

Monday 15th July 2019
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Dr Jekyll said:
What did the demographic who buy SUVs buy before there were SUVs? Did they just buy Cortinas/Sierras/Cavaliers and get the kids to walk to school?
Yes. And the kids who walked to school are now the parents buying SUVs.

StevieBee

12,994 posts

257 months

Monday 15th July 2019
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Clockwork Cupcake said:
Why, with modern widescreen tellies, do we still see tennis televised end-on? I'm watching the Men's Singles final and there was a very rare side-on view and it fit the screen very well.

I guess we're just used to the way it is now, but I can't help feeling it is down to the fact that end-on fitted 4:3 aspect a lot better and that's why it was chosen, and it's now just inertia.
Couple of reasons. The first is frame rate. The speed of the ball is too fast for most people's screens to offer up a smooth image of the ball moving through the air. This wouldn't necessarily be instantly obvious but would make for an uncomfortable viewing experience as the ball would effectively 'flicker' across the screen. As TV increasingly move to 4K and 5K this will become less of an issue. It would also tire your eyes as you would be constantly tracking the ball. Neither are issues when viewed end to end as you're essentially watching the ball getting smaller and bigger; its range of movement isn't as great.

You then have field of view. A camera lens with a wide enough angle to get the whole court in given the space they have to position the camera would distort the far edges; the players would look like they're 7' tall and leaning inwards all the time. You can overcome this by using a longer lens on the camera but the camera would have to be positioned somewhere near Putney for that to work.

It's easier to see if a ball is in or out when viewed end to end.

Clockwork Cupcake

74,919 posts

274 months

Monday 15th July 2019
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StevieBee said:
Couple of reasons. The first is frame rate. The speed of the ball is too fast for most people's screens to offer up a smooth image of the ball moving through the air. This wouldn't necessarily be instantly obvious but would make for an uncomfortable viewing experience as the ball would effectively 'flicker' across the screen. As TV increasingly move to 4K and 5K this will become less of an issue. It would also tire your eyes as you would be constantly tracking the ball. Neither are issues when viewed end to end as you're essentially watching the ball getting smaller and bigger; its range of movement isn't as great.

You then have field of view. A camera lens with a wide enough angle to get the whole court in given the space they have to position the camera would distort the far edges; the players would look like they're 7' tall and leaning inwards all the time. You can overcome this by using a longer lens on the camera but the camera would have to be positioned somewhere near Putney for that to work.

It's easier to see if a ball is in or out when viewed end to end.
That all makes complete sense. Thanks! thumbup


glenrobbo

35,489 posts

152 months

Monday 15th July 2019
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Clockwork Cupcake said:
That all makes complete sense. Thanks! thumbup
confused I think I must have accidentally clicked onto the wrong forum.

Could somebody please direct me to the PH Lounge? smile


Shakermaker

11,317 posts

102 months

Monday 15th July 2019
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glazbagun said:
How much money do the Wimbledon tennis courts/club make every year?

It always looks as well kept as any Champions League starium, has an expensive roof on centre court, but only gets a few TV days of coverage per year.

Do they have a healthy income after Wimbledon, or is the mobey from the tournement more than enough to cover it all?
Centre Court and Number 1 Court are generally only used for the 2 weeks a year of the Wimbledon tournament, though they were used for the Olympics as well of course.

but the other courts are used throughout the season for other events and tournaments, plus of course I'm sure you can pay for a tour of the park which will do a bit for the cost of upkeep but I'm sure they make that cost back in ticket sales for the main event.

captain_cynic

12,361 posts

97 months

Monday 15th July 2019
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Clockwork Cupcake said:
Google Navigation is almost freaky in the accuracy of its ETA, mainly due to the hive mind of everyone's speed and location being continuously slurped up to refine the estimate (it's the price you pay for using it).

Edit: I suspect Google has a pretty good idea of my driving style and average speeds too.
Google Maps adjusts your ETA as you go. I always take note of my original ETA and try to beat it, my best is 22 minutes from a 4 hour drive.

kowalski655

14,707 posts

145 months

Monday 15th July 2019
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The "end on" view also allows you to appreciate the lady players bottoms smile

loafer123

15,480 posts

217 months

Monday 15th July 2019
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captain_cynic said:
Clockwork Cupcake said:
Google Navigation is almost freaky in the accuracy of its ETA, mainly due to the hive mind of everyone's speed and location being continuously slurped up to refine the estimate (it's the price you pay for using it).

Edit: I suspect Google has a pretty good idea of my driving style and average speeds too.
Google Maps adjusts your ETA as you go. I always take note of my original ETA and try to beat it, my best is 22 minutes from a 4 hour drive.
Waze is almost spooky in it's accuracy - unless something really drastic happens, like a motorway crash you cant avoid, you will usually arrive within a couple of minutes of the original estimate.

It is owned by Google, but has access to different data from Waze users - I heard that they aren't allowed to merge the two as it would be too dominant, although that may be a story.

vonuber

17,868 posts

167 months

Monday 15th July 2019
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How much of how someone looks is inheritable?

I found a photo of my grab when she was young in the 1930s, and she basically looks like an older version of one of my daughters. But my daughter looks nothing like any of her grandparents.

Do these things skip generations, can be recessive or what?

Clockwork Cupcake

74,919 posts

274 months

Monday 15th July 2019
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captain_cynic said:
Google Maps adjusts your ETA as you go. I always take note of my original ETA and try to beat it, my best is 22 minutes from a 4 hour drive.
thumbup

Yes, indeed, you are correct. Although the initial ETA is still often uncannily accurate. I'll often think to myself "I'll get there far sooner than that" and invariably get there pretty much exactly bang on the initial ETA.

captain_cynic

12,361 posts

97 months

Monday 15th July 2019
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Clockwork Cupcake said:
captain_cynic said:
Google Maps adjusts your ETA as you go. I always take note of my original ETA and try to beat it, my best is 22 minutes from a 4 hour drive.
thumbup

Yes, indeed, you are correct. Although the initial ETA is still often uncannily accurate. I'll often think to myself "I'll get there far sooner than that" and invariably get there pretty much exactly bang on the initial ETA.
Agreed... I take it as a challenge to beat it.

Shakermaker

11,317 posts

102 months

Monday 15th July 2019
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captain_cynic said:
Agreed... I take it as a challenge to beat it.
Don't we all?

Google Maps told my wife that it would take us 3hrs 45 mins to get to her uncle's house in Devon. I said "'We can do it in 3" - because we were leaving at 8am on Boxing Day.

Pulled into his driveway just as the trip computer hit 2h 59 mins.

"You always have to be right, don't you?"

dxbtiger

4,400 posts

175 months

Monday 15th July 2019
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How do they work out how many people are listening to a particular radio station?

V8mate

45,899 posts

191 months

Monday 15th July 2019
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loafer123 said:
captain_cynic said:
Clockwork Cupcake said:
Google Navigation is almost freaky in the accuracy of its ETA, mainly due to the hive mind of everyone's speed and location being continuously slurped up to refine the estimate (it's the price you pay for using it).

Edit: I suspect Google has a pretty good idea of my driving style and average speeds too.
Google Maps adjusts your ETA as you go. I always take note of my original ETA and try to beat it, my best is 22 minutes from a 4 hour drive.
Waze is almost spooky in it's accuracy - unless something really drastic happens, like a motorway crash you cant avoid, you will usually arrive within a couple of minutes of the original estimate.

It is owned by Google, but has access to different data from Waze users - I heard that they aren't allowed to merge the two as it would be too dominant, although that may be a story.
Waze does pass its 'crowd-sourced' info to Google to enable Google Maps to be more accurate. Waze info - because it carries a 'reason' for everything, rather than simply monitoring user speeds vs speed limits, gives rise to exceptional forecasts and direction revisions. I'm sure that, by now, things like the presence of Police will guide their delay estimates for reported accidents etc.

SpeckledJim

31,608 posts

255 months

Monday 15th July 2019
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dxbtiger said:
How do they work out how many people are listening to a particular radio station?
They regularly survey a relatively small panel of people, and multiply the results up to the general population.

Clockwork Cupcake

74,919 posts

274 months

Monday 15th July 2019
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SpeckledJim said:
dxbtiger said:
How do they work out how many people are listening to a particular radio station?
They regularly survey a relatively small panel of people, and multiply the results up to the general population.
Indeed. Same as how they used to gauge the TV viewing figures. They then progressed to a little box that could tell which channel the TV was tuned to, and a small camera to tell if anyone was actually watching it. Obviously they paid people who took part in the survey.

These days with on demand telly via the internet, they have much more accurate data. And everyone provides it for free (often without realising).

As a side note, this is why Sky always used to insist that you connected a phone line to your Sky box - it allowed it to (literally) phone home with your viewing figures.

captain_cynic

12,361 posts

97 months

Monday 15th July 2019
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SpeckledJim said:
dxbtiger said:
How do they work out how many people are listening to a particular radio station?
They regularly survey a relatively small panel of people, and multiply the results up to the general population.
Hence I consider listener (and veiwership) numbers to be highly suspect. You lead with "do you listen to the radio" before giving them the survey so you can reduce the number of negative answers and have a larger number of people with which to extrapolate total numbers. Any statistic gleaned by survey and extrapolation is far too easy to game to be considered reliable. Especially when marketing professionals are involved.

Figures may not lie, but liars figure as the old adage goes.

Shakermaker

11,317 posts

102 months

Monday 15th July 2019
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captain_cynic said:
Hence I consider listener (and veiwership) numbers to be highly suspect. You lead with "do you listen to the radio" before giving them the survey so you can reduce the number of negative answers and have a larger number of people with which to extrapolate total numbers. Any statistic gleaned by survey and extrapolation is far too easy to game to be considered reliable. Especially when marketing professionals are involved.

Figures may not lie, but liars figure as the old adage goes.
You are suggesting they don't record the "No, I don't listen to the radio" answers?

But if BBC R2 gets c. 9 million listeners, at peak, and its leagues ahead of anything else, the numbers don't add up to 66 million however you count them, it must account for the "no" people in the model?
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