[sdiy] MIDI Pitch Bend & Channel Pressure

[uzs159 at uni-bonn.de]

Hi Chris,

Chris Manders schrieb:
> 
> Hi folks
> 
> Could anyone point me in the direction of an
> explanation of how MIDI Pitch Bend and Channel
> pressure are transmitted and received, please?

These have their own messages, one status byte (0xE0 && Channel)
respectively 
(0xD0 && Channel) followed by two bytes of data. Which are to be
interpreted 
as a 14 bit value. 
 
> I understand that they are not in the standard
> controller list, and handled in a special way in order
> to prevent 'staircasing'.

Yes, a controller message would require two messages, 
for 14 bit resolution. 
 
> If anyone can assist, it would be most appreciated.
> My conventional websearch has found nothing - Many
> pages on Midi Controller data, but nothing on Pitch
> bend and Channel pressure.

A good resource is 
http://www.borg.com/~jglatt/  
 
Cheers,
 René