Neoseeker : News : Rumour: Nintendo may be working on a cartridge to allow streaming between 3DS and Wii U
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bbb7002004 Jan 3, 13
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
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ProudLoz Jan 3, 13
quote bbb7002004
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
I'm assuming that the way the Wii U transfers the video playback to the GamePad is similar to the tech used in Apple's AirPlay feature, then the reason for the cartridge would be because it's hardware based and not software based. Although it can be implemented by software to some degree, I have a feeling that the 3DS isn't powerful enough to handle it.

With a cartridge on the other hand, it could provide some hardware that would handle that task without the 3DS using most of it's CPU or GPU cycles. Also, I believe that since it's essentially streaming a video, it'll require additional memory to pull it off. Again, with the cartridge, this is fixed since the cartridge can easily provide that memory space without forcing the user to use some of his limited memory off their SD card.

This isn't a definite answer, it's just a guess based on Apple's airplay tech.
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Thrawn Jan 3, 13
quote ProudLoz
quote bbb7002004
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
I'm assuming that the way the Wii U transfers the video playback to the GamePad is similar to the tech used in Apple's AirPlay feature, then the reason for the cartridge would be because it's hardware based and not software based. Although it can be implemented by software to some degree, I have a feeling that the 3DS isn't powerful enough to handle it.

With a cartridge on the other hand, it could provide some hardware that would handle that task without the 3DS using most of it's CPU or GPU cycles. Also, I believe that since it's essentially streaming a video, it'll require additional memory to pull it off. Again, with the cartridge, this is fixed since the cartridge can easily provide that memory space without forcing the user to use some of his limited memory off their SD card.

This isn't a definite answer, it's just a guess based on Apple's airplay tech.
It could be this, I,m thinking myself the 3DS really isn't good enough to handle the duties of the gamepad unless it had some help.
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bbb7002004 Jan 3, 13
But the Wii U console does all the video processing, the gamepad is just a receiver/transmitter. I don't see why you'd need much processing power on the 3DS side of things.
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Thrawn Jan 3, 13
quote bbb7002004
But the Wii U console does all the video processing, the gamepad is just a receiver/transmitter. I don't see why you'd need much processing power on the 3DS side of things.
Tbh it could kind of blow ether way because the screen(s) on the 3DS aren't anywhere near as good of quality as the gamepad's. Unless the screens on XL's are better.
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Spook Jan 3, 13
quote bbb7002004
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
It could have to do with the 3DS jamming everything into one gpu, like in the case of SSB4 for instance, cross platform between a relatively weak device and a powerful one (by comparison) could very well require some sort of medium, to help preserve the console quality experience.
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ProudLoz Jan 3, 13
quote bbb7002004
But the Wii U console does all the video processing, the gamepad is just a receiver/transmitter. I don't see why you'd need much processing power on the 3DS side of things.
Even if the GPU or the CPU of the 3DS is strong enough to handle it, you still need to think about the memory that will be used up to show you this streaming video, and also the Wi-Fi chip, we're not sure if the 3DS's Wi-Fi chip is also strong enough to handle that amount of streaming.
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JammerJaw Jan 3, 13
Could've sworn that was how they were going to the next Smash Bros, but eh.
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bbb7002004 Jan 3, 13
There is no way the gamepad has more processing power than the 3DS. Not by a long shot. Maybe the connection they are using between the gamepad and the console works on a technology that the 3DS doesn't have the ability to connect to, I guess that would make some sense.
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ProudLoz Jan 3, 13
quote bbb7002004
There is no way the gamepad has more processing power than the 3DS. Not by a long shot. Maybe the connection they are using between the gamepad and the console works on a technology that the 3DS doesn't have the ability to connect to, I guess that would make some sense.
Yeah, looking at the iFixit teardown, it looks like the GamePad uses a special Wi-Fi chip as seen on Step 22, which the 3DS obviously doesn't have. This is also sorta confirmed because on the 3DS teardown as seen on Step 10, they mentioned the Wi-Fi chip the 3DS uses is only able to handle 802.11 b/g, while the GamePad uses a proprietary version of 802.11n. So that may be why we need that cartridge.

Also, according to that teardown, the GamePad has a chip with 256 MBs of RAM, and the 3DS only has half of that according to the Wikipedia.
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annihilate Jan 3, 13
All processing is done on the WiiU Console. Gamepad has minimal "firmware" level of processing which is used for controlling inputs and electronics,decompressing and compressing video and input signal for wireless transmission as well as the simple kernel UI for Universal Remote feature which works when WiiU console is off.

The cartrige for 3DS is probably for the standalone wireless unit that is compatible with the brand new custom ~5.2GHz non-TCP-IP two-way super-low-latency based on 802.11n and on miracast protocol, RF technology co-developed by Nintendo and Broadcom. The 3DS does not include a geomagnetic sensor, in order to make it as similar to the GamePad as possible they may include this sensor in the cartrige as well.

The 3DS will not require any processing if the decompression/compression hardware and firmware will already be done in the cartridge at the hw level so i'll be as fast as on the WiiU, as far as I can see now the only limit is the LCD resolution
Last edited by annihilate :: Jan 3, 13
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annihilate Jan 3, 13
quote bbb7002004
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
Unfortunately you have zero idea about WiiU tech, you just haven't been following the happenings for the last 2 years. It's a lot, not worth going back and reading all those 6 or 7 400paged 50post per page speculation threads on neogaf. But if you want, you can still find everything if you search enough. I don't have a single link summary of all of them handy right now.
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bbb7002004 Jan 3, 13
Wow, its almost like I just like playing video games and don't care about what chips are in the box.

I didn't think about the gamepad using a a faster wifi, that actually does make some sense and adds some credence to the rumor. Still kinda doubt its true though, guess we'll see.
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annihilate Jan 3, 13
quote ProudLoz
quote bbb7002004
I don't really understand why a cartridge would be necessary, if some additional program is needed to connect the 3DS to the Wii U why wouldn't you just downloaded it from the Wii U itself? Sounds like bunk to me.
I'm assuming that the way the Wii U transfers the video playback to the GamePad is similar to the tech used in Apple's AirPlay feature, then the reason for the cartridge would be because it's hardware based and not software based. Although it can be implemented by software to some degree, I have a feeling that the 3DS isn't powerful enough to handle it.

With a cartridge on the other hand, it could provide some hardware that would handle that task without the 3DS using most of it's CPU or GPU cycles. Also, I believe that since it's essentially streaming a video, it'll require additional memory to pull it off. Again, with the cartridge, this is fixed since the cartridge can easily provide that memory space without forcing the user to use some of his limited memory off their SD card.

This isn't a definite answer, it's just a guess based on Apple's airplay tech.
You're wrong and wright.

Apple Airplay has nothing to do with this, normal Wifi Tech is too laggy for this to work. Apple marketing just stamps a fancy name on everything. And most of the magic that makes it super-low-latency is in the proprietary transmission protocol as well as the decompression/compression process developed by Nintendo it self. Nobody shares that technology, and Broadcoms Miracast was not even developed fully when Broadcom started cooperating with Nintendo.

Yes it is hardware based because that's how it achieves it's performance, it's compressed/decompressed by CODEC LSI component before sent to the wireless module. WiiU's CPU is then free of this burden, and Nintendo as always has an AUDIO DSP which takes more burden off the CPU as they aren't good at processing audio, a dedicated audio chip is 10 times better.

The word "streaming" really doesn't fit with this because it's been used mainly in inefficient laggy web-based applications, and I can see you use it as exactly in this tone. No you will not need any ridicolous amount of RAM, or storage to save any "streaming" data. It only takes a buffer, gets instantly deleted. This is not youtube man.

It's not so much in the wireless transmission as it is more in the two-way decompression and compression of the signal, because of the bandwidth limits this has to be done, the bottleneck is not the processing, as they've done an engineering marvel in software performance, the problem why you can't have more than 2 Gamepads on one WiiU is totally not the GPU CPU processing as the noobs want you to think, it's wireless bandwidth, it's the bottleneck, and if they have more Gamepads, the frame rate needs to go down for all of them in order to show the video without pixel corruption. So 2 Gamepads will operate at 30FPS, half the bandwidth each, to work properly.
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