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I'm slowly warming to the iPad. I think I'm going to have to actually use it first--that's usually what sways me one way or another with Apple products when I'm on the fence.

Mossberg was saying no e-ink means worse battery life and isn't that a problem, but I think Steve had a good point: it's 10 hours but who is going to read for 10 hours straight?
 
I think 10hours is doable. 140hours of music playback probably possible as well. (remember, that's with screen off the whole time, volume set to 50%, and Wifi turned off). In a test with an iPhone 3G, I got a bit over 24hours of music playback with those conditions, and in airplane mode (same as turning off WiFi on iPad).

Comparison with MBA:
- MBA has 50% larger battery than iPad (40W vs. 25W)
- Air runs a 1.8GHZ processor, 9400M graphics, and a 13-inch display, full OS X with lots of system and background processes.
- iPad runs slower (and more efficient - Intel even admitted ARM chips are more efficient when iPhone came out) processor, much less hungry graphics, 3.5-inches smaller display, iPhone OS optimized for ultra-mobile, and only a few system processes and a single user processes at once.
- I've gotten slightly over 5hours with a MBA, I think 10hours is possible with an iPad. However, that will be with low screen brightness.

The display is the power hungry part of iPad.
 
i love it when people try to find every conceivable reason why 10 hrs. is too short: "oh, but the Tokyo-NY flight is 13 hrs." :rolleyes:

i had a lot of laughs watching the live stream of leo laporte and paul thurrot doing their "this week in windows" podcast...they were discussing the iPad and all paul could do the entire discussion was roll his eyes. funny how he had to have a criticism of every single thing the iPad is and isn't. basically, his response to everything positive leo said was, "we'll see"...i distinctly remember paul saying that about the iphone, too...
 
According to the specs page, it's with Wi-Fi

Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music

Of course, it also says 10 hours for music

arn

That makes me think it’s 10 hours of Wi-Fi OR watching video, but less if watching video WITH Wi-Fi turned on. (And less still if the video’s actually streaming off the net.)

Still, 10 hours of anything is overkill. I like it. The extra battery capacity will be nice for 3D games.

As for 140 hours of music before you must find an outlet... that’s well over a week if you played it every waking hour. Now THAT is overkill. Great for listening to tunes while backpacking through the Amazon, I guess :)

Who makes the display?

Wired seems to think it is LG. If so then it is possibly using Enhanced IPS.

According to Wikipedia:


Also from Wikipedia:


The Korea Times has an article detailing LG IPS technology:


So basically, this guy isn't considering all the facts. Apple isn't going to tout 10 hours if it gets less than 3 like he claims :rolleyes:

Good find. Thanks. Maybe that’s the explanation.

I'm slowly warming to the iPad. I think I'm going to have to actually use it first--that's usually what sways me one way or another with Apple products when I'm on the fence.

Mossberg was saying no e-ink means worse battery life and isn't that a problem, but I think Steve had a good point: it's 10 hours but who is going to read for 10 hours straight?

And who is going to read that long... with no way to reach a power outlet? Reading isn’t something you do while riding a bike. (And there are external batteries suitable for really long flights with no power jacks and 8 extra hours on the tarmac when some kid’s Pop Rocks set off the chemical detectors.)
 
Going on the assumption that the machine must be able to run on it's power adapter and still have a little something left over to charge the battery, how about this comparison:

Battery Watt-Hours vs. Power Adapter Watts vs. rated hours.

MacBook 60, 60, 7
MacBookPro 73, 60 or 85, 7
MBA 40, 45, 5
iPad 25, 10, 10

Either the power adapter on the iPad is inadequate compared to the other designs, or the rated hours make rough sense. i.e. with the device going full blast, the iPad's battery will last roughly twice as long as the notebook's.

Question:
And who is going to read that long... with no way to reach a power outlet?
Answer:
Backpackers, campers, mountain climbers.
 
Answer:
Backpackers, campers, mountain climbers.

I will give you the campers, and maybe the backpackers even, but I definitely don't see mountain climbers bringing an iPad for a quick and casual session of large screen DoodleJump on top of the Mount Everest...

The vast vast majority of people that would be interested in a device like this will be in the vicinity of a socket at some point or another during the day...
 
Coverflow

One thing I didn't notice was coverflow, which has been heavily featured on the iPhone and iPods. Also the iPod app, looks more like a modified iTunes, which seems to suggest that you can do more with this than with the iPod app on the iPhone or the iPod software itself. So is there some kind of tag editing capability?

I must say I like the new interface changes and I wonder if any of them will turn up in future versions of OS X. I also think Address Book and iCal on the mac should be renamed to Contacts and Calendar, to fit with the mobile versions.
 
According to the specs page, it's with Wi-Fi

Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music

Of course, it also says 10 hours for music

arn

Sorry if this is a dumb question, but:

Is listening to music while reading a textbook considered multi-tasking?
 
well the 140 hour music playback is nice too; and if 10 hours doing video is accurate, even a NY to London flight is covered.

That's obvious. But London to San Francisco with an unexpected stop in Ottawa is also covered.
 
Sorry if this is a dumb question, but:

Is listening to music while reading a textbook considered multi-tasking?

Not in iPhone/iPad land, no.

The iPhone (and iPad) OS is multitasking (see the slides from the original iPhone intro) but only one "App" (ie. user application) can be run concurrently. Music playback is one of the background tasks that can be running (along with the phone, alarms etc) along with your one user "App".
 
One thing I have been wondering about is whether or not it will be able to stream music to an Airport Express with AirTunes with its implementation of iTunes or if that will require a separate computer with iTunes.

Just something I have been wondering about. Would only make sense if the iPad could stream for itself.
 
The vast vast majority of people that would be interested in a device like this will be in the vicinity of a socket at some point or another during the day...

That's not the point. The user experience (something that Apple is supposedly most concerned with) is severely hampered if the user is constantly looking for an outlet to plug in their device.

Further, in the interview, Jobs falls into a logical hole. He says "no-one" reads for 10 hours. In fact, they do. But it could well be that no-one will read an iPad for 10 hours if the screen causes too much strain.

Having said that, I find it sad that folks are spending hours upon hours, in addition to their 8+ hours at work, staring at LCD computer screens (usually inferior CFL TN panels), while venting about the iPad screen, telling us that it is unreadable for long periods. Hmm.
 
I posted this info in the general ipad discussion forum yesterday. I am kind of pissed that this is first page news today. Thanx for the credit.
 
I think 10hours is doable. 140hours of music playback probably possible as well. (remember, that's with screen off the whole time, volume set to 50%, and Wifi turned off). In a test with an iPhone 3G, I got a bit over 24hours of music playback with those conditions, and in airplane mode (same as turning off WiFi on iPad).

Comparison with MBA:
- MBA has 50% larger battery than iPad (40W vs. 25W)
- Air runs a 1.8GHZ processor, 9400M graphics, and a 13-inch display, full OS X with lots of system and background processes.
- iPad runs slower (and more efficient - Intel even admitted ARM chips are more efficient when iPhone came out) processor, much less hungry graphics, 3.5-inches smaller display, iPhone OS optimized for ultra-mobile, and only a few system processes and a single user processes at once.
- I've gotten slightly over 5hours with a MBA, I think 10hours is possible with an iPad. However, that will be with low screen brightness.

The display is the power hungry part of iPad.

Going on the assumption that the machine must be able to run on it's power adapter and still have a little something left over to charge the battery, how about this comparison:

Battery Watt-Hours vs. Power Adapter Watts vs. rated hours.

MacBook 60, 60, 7
MacBookPro 73, 60 or 85, 7
MBA 40, 45, 5
iPad 25, 10, 10

Either the power adapter on the iPad is inadequate compared to the other designs, or the rated hours make rough sense. i.e. with the device going full blast, the iPad's battery will last roughly twice as long as the notebook's.

It is very hard to compare the two distinctly different architectures like that. ARM processors are notoriously power optimized and run on a order of magnitude lower voltages than the entire platform of a notebook.

A System-on-Chip (SoC) includes everything into a single chip, whereas the notebook have a vast number of chips sucking down power. From the CPU, GPU, chipset, WiFi, Bluetooth etc.

Granted, the LED backlighting is probably the most power hungry in the iPad, no doubt. The Apple A4 chip is sipping power next to that and that explains the high standby time and music playback.
 
I love how Steve is all casual with Walter in that vid :)

The iPad is just the beginning and Steve wants to have all this amazing saga done within his lifetime. You can see that.
 
No need to line up for one... :)

well, at last, we won't have to spend hours hunting for a shop with stock, midnight stakeouts or any silly nonsense as it seem only about 4 people are actually going to buy this ipad.

guess Steve will be adding new features and upping memory in a month rather than a year if he wants to clear his backlogged inventory.

yes, they really stuffed up this time. how could anyone live without Flash adverts and silly websites that only navigate that way? And only doing one thing at a time. And why doesn't it make my coffee in the morning? What, it needs a dongle to do that? How rude!

What do people expect for $499? I've paid a hell of a lot more for less useful tools over the years. It's sad we've all become so self centred and lost our sense of Wow.

This will be an amazing tool for so many people. An ipod Touch is just too small for many older people to see. At 10 inches you won't lose it (easily) and there's enough screen area to interact with even if you aren't that physically capable. Baby Boomers are going to think this is the ducks nuts!
 
i noticed the same thing from walt's video and I said to myself..steve is so lying through his teeth haha. it was soooo funny.

1) it took steve forever to even begin to answer walt's question
2) and he just kind of like brushed it off, like who do you think you are asking me that question, they will be the same prices.

so funny.

i highly doubt they will be the same prices. amazon losses 5 bucks a book selling it at 10. apple wont do that.
 
air tunes

I wondered the same thing. If not, the Apple Remote application on the iPad will allow you to control your itunes on your laptop/desktop/appletv.


One thing I have been wondering about is whether or not it will be able to stream music to an Airport Express with AirTunes with its implementation of iTunes or if that will require a separate computer with iTunes.

Just something I have been wondering about. Would only make sense if the iPad could stream for itself.
 
The GCN article is, as so many reactions to the iPad, full of ****. His estimate of three hour battery life is predicated on an IPS display with fluorescent backlighting, and the fact that fluorescent backlights need to be brighter or more numerous for IPS than for TFT. In fact, Apple have designed a display that combines IPS with LED backlighting, changing the equation considerably.

I wish sites would stop making up speculative bollocks about the iPad, and also that people would stop linking to them (hint!). Another example is that BSN piece claiming that the A4 is just a dual core cortex-A9 combined with a Mali GPU: they had absolutely no basis for that claim, and it's almost certainly false. No way Apple would be using Mali, and very doubtful they're using a standard Cortex A9 design like the Tegra 2 does.
 
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