At 9:41 PM -0500 11/11/06, Gene Heskett wrote: >On Saturday 11 November 2006 21:00, Tony Nelson wrote: >>At 4:21 PM -0500 11/11/06, Gene Heskett wrote: >> ... >> >This thread might be of interest to the linux-audio-dev group, so I've >added them to the Cc: > >>>Yup, and its been a constant src of amazement to this old fart that >>> when the midi spec was setup, they used a serial port, thats fine, but >>> when they set the data rate at only 31,250 baud, ... >>> >>>Consistently attrocious timeing, with the horns always 1/16 beat late >>>unless the actual output order of each instrument is scrambled in the >>>order output. That would make it sound a heck of a lot less >>> mechanical. And there isn't a heck of a lot that can be done until we >>> put midi on an optical circuit running at several megabytes/sec. >>> Something like TOS maybe? >> >>Firewire. Many products already, plenty of speed, almost robust enough. >>1/8 millisecond isoch cycle times; each cycle can contain packets from >> many senders; each packet can contain lots of notes. > >More robust IMO than the din connectors now used for midi interconnects, >however the cabling itself can't help but be more fragile when subjected >to the rigors of a jam session with bodies walking on them all night. >And that has to be a consideration else the first users will get >discouraged at the high cable failure rates and revert, particularly if >they have a tin ear and can't hear what to many of us would be an >extremely obvious improvement. > >But I like that idea, a lot. Maybe some enterprising LAD people could get >together and spec something like a midi interface running over firewire, >complete with the repeaters so it can be daisy-chained just like midi can >be, and hopefully release it into the PD as a new midi-2 interface >standard. And design it such that it never, ever gets into the snails >trail of the 31,250 baud interface it uses today. It's already done. MIDI runs over Firewire, along with audio. Google for "midi firewire". Buy it now. -- ____________________________________________________________________ TonyN.:' The Great Writ <mailto:tonynelson@xxxxxxxxxxxxxxxxx> ' is no more. <http://www.georgeanelson.com/>
