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Scott Dorsey Scott Dorsey is offline
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Default Better bandwidth than USB-2?

In article , Tobiah wrote:
I have a PreSonus Studio 1810. For $100 more, I
could have it's descendant, the 1810c, which, apart
from a couple of tweaks to the software, seems only
to sport the new USB type.

In this case, I assume that the underlying communication
with the computer is the same, only over a USB-C connection.
In other words, would it be safe to say that latency would
be the same on either unit, even though USB 3.0 or C is theoretically
capable of greater throughput which should result in less usable
latency? I mean, did they just put a different plug on the same unit?


More bandwidth doesn't mean lower latency. Unless your buss is fully
loaded, you won't get any less latency. But what you will get is the
ability to put more devices on one hub, and the ability to not degrade
performance of high speed devices on the same hub.

And why the apparent lack of USB3.0 devices? Wouldn't it be
a dream to have the extra bandwidth? I look at the prices
once in a while, and it seems as though anything beyond USB2.0,
(Thunderbolt, PCI etc.) runs into the stratosphere pricewise.


Just about everything that uses a lot of bandwidth is available now with
a USB3 interface, and that basically means disks and video devices. Most
other things don't really need the extra capacity.

The newer followon to USB3 is going to have dedicated bandwidth devices
with guaranteed realtime performance the way firewire does, and that will
be a big deal for audio applications.

So for the hobby user, should I be content with USB2.0 for now or
are there other budget avenues to choose regarding increased throughput?


What do you want increased throughput for? For disks, USB3 is a considerable
performance win.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."