#944800 - 06/11/00 12:28 AM
USB Anyone?
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Middle Man
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Registered: 05/31/00
Posts: 68
Loc: In the studio
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Craig, what are your thoughts on USB in audio work? I see that Roland has a line of sound modules based around this interface.
Thoughts, links, information?
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#944801 - 06/11/00 04:06 AM
Re: USB Anyone?
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Dembones_dup1
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Registered: 02/11/01
Posts: 11
Loc: Medford,OR,UNITED STATES
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Along the same lines, have you heard anything about the PC's USB implementation somehow being problematic with MIDI clock? I recently purchased a Midiman USB midisport 2x2 and the salesman was persistant that I should avoid USB at all costs. I ignored him and bought it anyway and have experienced no problems, and haven't even read of any problems ever... Any thoughts?
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Demian Norvell
AppleSeed Studios
Ruch, OR
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#944802 - 06/11/00 11:48 AM
Re: USB Anyone?
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Anonymous
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From what Ive read, early motherboard USB interfaces were not all they could be. Anything fairly current seems to work pretty good - I've got 3 usb midi interfaces with little problem - the only problems I've run into have been with Sounddiver (which doesn't seem to want to scan the usb ports) and the Nord micromodular editor connection (apparently it's just picky about interfaces in general).
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#944803 - 06/22/00 08:42 PM
Re: USB Anyone?
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Anderton
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Originally posted by dembones:
Along the same lines, have you heard anything about the PC's USB implementation somehow being problematic with MIDI clock? I recently purchased a Midiman USB midisport 2x2 and the salesman was persistant that I should avoid USB at all costs. I ignored him and bought it anyway and have experienced no problems, and haven't even read of any problems ever... Any thoughts?
From what I understand, later versions of Windows 95 supposedly supported USB...just not very well. Windows 98 does better, and Windows 98 SE improves on that. Also, older computers may not be up to snuff with USB. Just because it has a port doesn't mean it's properly implemented.
I just upgraded to 98 SE but haven't tried any USB devices with it yet. BTW I hear that Mac OS9.0.4 fixes several USB audio problems...anyone have any experience with this? (My Mac doesn't have a USB port, so I can't check.)
Finally, I hope you all caught the item in the news section on this site about USB 2.0. That looks like the mother of all easy-to-use ports, in some ways being more useful than IEE-1394 for consumer-type apps (although it doesn't replace 1394, just complements it).
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#944804 - 06/23/00 04:14 AM
Re: USB Anyone?
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lwilliam
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Registered: 03/17/00
Posts: 497
Loc: Canyon Country, CA, USA
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I haven't tried USB with audio, but I have a MOTU MTP A/V with a USB port.
OS 9.0.4 contains some USB updates which seemed to eliminate the occasional stuck notes I would get. For me, it's been the most reliable of the three OS's I've had on the G4 (8.6, 9.0, 9.0.4).
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Larry W.
_________________________
Larry W.
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#944805 - 06/23/00 05:55 PM
Re: USB Anyone?
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alphajerk
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Registered: 03/06/00
Posts: 7950
Loc: asheville nc usa
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USB isnt for AUDIO, thats FIREWIRE. i want usb MIDI without the dreaded latency that midi has now. it should be more than sufficient for that.
_________________________
alphajerk FATcompilation "if god is truly just, i tremble for the fate of my country" -thomas jefferson
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#944806 - 06/24/00 06:50 AM
Re: USB Anyone?
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Anderton
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Originally posted by alphajerk:
USB isnt for AUDIO, thats FIREWIRE. i want usb MIDI without the dreaded latency that midi has now. it should be more than sufficient for that.
USB 2.0 will give FireWire a major run for its money with respect to audio, although FireWire will probably have the edge for complex, multichannel studio operations.
As to the dreaded latency, of course lots of that is in the instruments, but yes, computer timing is getting really horrible. I'm not sure the delay is in the serial port, and would therefore be alleviated by USB, or whether it's in how fast the processor can dish out the data, wherever it may be going. Anyone have opinions on this?
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#944807 - 06/24/00 10:46 PM
Re: USB Anyone?
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Anonymous
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I suspect most latency problems we are encountering in midi and audio derive from the wonderful operating systems out there. Once you start using a multitasking OS, you'll start having problems like that, unless the OS programmers give audio/midi high priority.. which isn't the case at the moment.
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#944808 - 06/25/00 03:02 AM
Re: USB Anyone?
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alphajerk
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i mean usb as the connection between midi devices, get rid of the 5 pins, in fact a entire new midi standard, one that will support old devices through usb/midi boxes like now and direct usb connectivity with faster timing and less latency.
usb 2.0, higher transfer than the 1.2mbps(?) it is now? rivaling 400mbps firewire??? who knows? udma rivals scsi now, never thought that would happen.
my question is how much longer can they leave midi in the state it is in. i know i need more resolution and i cant imagine someone that doesnt.
_________________________
alphajerk FATcompilation "if god is truly just, i tremble for the fate of my country" -thomas jefferson
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#944809 - 06/25/00 04:36 AM
Re: USB Anyone?
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Anderton
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Originally posted by alphajerk:
my question is how much longer can they leave midi in the state it is in. i know i need more resolution and i cant imagine someone that doesnt.
The MMA is working on various options, but they don't talk about what they're doing until they have something fairly concrete that people can comment on.
MIDI does need an upgrade...it's been around 17 years!! That's kind of amazing -- what other techno toy from 17 years ago is still around?
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#944810 - 06/25/00 06:23 AM
Re: USB Anyone?
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alphajerk
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The MMA is working on various options, but they don't talk about what they're doing until they have something fairly concrete that people can comment on.
are they taking suggestions?
i just have a hard time believing they could get to the frickin moon on less of a computer than an atari 2600 and we still cant play a complex sequence without random inaccuracies! 17 computer years is like a 1000 human years.
there has got to be a means of better communication. of course i remember all these growing pains in the design world also.
craig: any word on this MOTU MidiTimeStamping? claim timing to a third of a ms. timing in the software or in REAL WORLD midi output?
_________________________
alphajerk FATcompilation "if god is truly just, i tremble for the fate of my country" -thomas jefferson
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#944811 - 06/25/00 08:32 AM
Re: USB Anyone?
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Anderton
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Originally posted by alphajerk:
craig: any word on this MOTU MidiTimeStamping? claim timing to a third of a ms. timing in the software or in REAL WORLD midi output?
From what I understand - I have not tested the MOTU piece - they are using a hardware/software combination so that the hardware is indeed outputting at the right time. Of course, once it leaves the interface and starts hitting various instruments, all bets are off.
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#944812 - 06/25/00 10:52 PM
Re: USB Anyone?
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Middle Man
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USB 2.0? Does this mean a software revisement or will my current hardward ports be obsolete?
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#944813 - 06/26/00 03:52 AM
Re: USB Anyone?
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Anderton
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Originally posted by philgrab@pacbell.net:
USB 2.0? Does this mean a software revisement or will my current hardward ports be obsolete?
As with the MOTU piece, I haven't tested USB 2.0. But my understanding is that it will accommodate older devices, although of course they will not see any speed benefit from the new spec. Whether they will slow the system down to match their needs, I don't know. But I do remember that what I read about USB 2.0 seemed pretty well thought out.
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