The Yamaha AN1x Synthesizer mailing list

Roland - UM-ONE | USB MIDI Interface it works on my system, also had 
some problems with another one.






On 25-05-2016 10:33, John Garside garsidejl@... [AN1x-list] wrote:
> Sorry, I'm unable to give you any MIDI/USB recommendations, perhaps 
> others can.
> I use a couple of older internal cards from E-MU that have external 
> interfaces with MIDI ports.
> E-MU 1616m.
>
> Likewise with Logic, I'm not a Logic user.
> However, with most programs there's a settings or options menu which 
> may allow the settings for audio buffer sizes and numbers and perhaps 
> MIDI too.
> They can be quite important if you're planning to send fairly large 
> SysEx messages, e.g. bulk dumps.
>
> Jeff has provided a good summary, but just to add that there are a few 
> special MMA defined SysEx messages, like 'GM System On' that are 
> important for resetting things.
> And SysEx messages can be common amongst a manufacturers hardware 
> offerings, e.g. Yamaha's XG and Roland's GS standards.
> I have a forum over at midi-tutor.proboards,com where I explain MIDI 
> in some detail. Please feel free to join, there's no charge.
>
> In addition, MIDI messages are divided into eight main types.
> The first byte of a message always has the most significant bit set 
> on, and uses the other three bits of the front half of the message to 
> define the message type.
> So, in hexadecimal, shown as e.g. 8nH, the '8' is the first four bits 
> the 'n' is "another value" not defined here, the 'H' defines it as 
> being hexadecimal.
> Here's a summary of message types from the MIDI specification:
>
> 8nH 1000nnnn 0kkkkkkk Note Off
> 0vvvvvvv vvvvvvv: note off velocity
>
> 9nH 1001nnnn 0kkkkkkk Note On
> 0vvvvvvv vvvvvvv \u2260 0: velocity
> vvvvvvv = 0: note off
>
> AnH 1010nnnn 0kkkkkkk Polyphonic Key Pressure (Aftertouch)
> 0vvvvvvv vvvvvvv: pressure value
>
> BnH 1011nnnn 0ccccccc Control Change
> 0vvvvvvv ccccccc: control # (0-119)
> vvvvvvv: control value
> ccccccc = 120 thru 127: Reserved.
>
> CnH 1100nnnn 0ppppppp Program Change
> ppppppp: program number (0-127)
>
> DnH 1101nnnn 0vvvvvvv Channel Pressure (Aftertouch)
> vvvvvvv: pressure value
>
> EnH 1110nnnn 0vvvvvvv Pitch Bend Change LSB
> 0vvvvvvv Pitch Bend Change MSB
>
> FnH 1111nnnn System Exclusive Message
>
> John.
>
>