Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site ssc-vax.UUCP Path: utzoo!watmath!clyde!cbosgd!ihnp4!houxm!vax135!cornell!uw-beaver!ssc-vax!zadco From: zadco@ssc-vax.UUCP (Rick Fairfield) Newsgroups: net.music.synth Subject: Re: rs232 midi interfaces Message-ID: <431@ssc-vax.UUCP> Date: Sun, 17-Feb-85 15:50:21 EST Article-I.D.: ssc-vax.431 Posted: Sun Feb 17 15:50:21 1985 Date-Received: Wed, 20-Feb-85 03:33:33 EST References: <870@bnl.UUCP> <2560@mcnc.UUCP> Distribution: net Organization: Boeing Aerospace Co., Seattle, WA Lines: 21 > In article zadco@ssc-vax.UUCP (Rick Fairfield) writes: > > >MIDI requires over 30000 bits/sec. RS232 usually runs at most 19200 baud so, > >as you can see, MIDI is a problem over RS232. > > zzzzadco >> While the problem isn't trivial, It should be possible to send/translate >> RS232->MIDI in a fairly straightforward way. 32K bits/sec translates >> roughly to 3200 baud (as baud is used in lay terminology.) Assuming >> asyncronous protocol and loss of a bit to parity (why not) a 4800 baud >> link should be more than sufficient for the required MIDI bandwidth. >> -- >> Byron C. Howes >> ...!{decvax,akgua}!mcnc!ecsvax!bch Well. I'm confused on this issue. I thought buad translated roughly to bits/sec, so 9600 baud would be 9600 bits/sec. If what you say is true then someone should invent a MIDI-RS232 translator. It would have an immediate market; especially with owners of computers that don't have i/o slots, such as Kaypros. Any takers? zzzzzadco