[linux-audio-user] USB, what's the story? (was: Firewire, what's the story?)
pshirkey at boosthardware.com
Tue Dec 9 13:30:02 EST 2003
> On Mon, 2003-12-08 at 18:29, Jack O'Quin wrote:
>>Steve Harris <S.W.Harris at ecs.soton.ac.uk> writes:
>>>Latency shouldn't be an issue - the 1394 bus is low latency - higher
>>>latency than PCI I expect, but still not measurable in audio terms.
>>Does it have the same problem as USB, using fixed-time rather than
>>I seem to recall that it does, but that the packet size is smaller,
>>making the latency problem easier to deal with.
> Is this fixed-time vs. fixed-size usb issue addressed in the 2.6 kernel
> (or is it alsa or is it something else)?
> Just curious where the "heart" of the issue is and what kind of time
> line we are looking at.
Our best hope is someone wise and knowledgable writing a patch for JACK
at this stage. Unfortunately noone can access the mantis database to add
a feature request so it's probably being put off.
Patrick Shirkey - Boost Hardware Ltd.
Http://www.djcj.org - The Linux Audio Users guide
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