MIDI Forum

Every message type can be sent at any time. You choose to put a setting at the beginning if you do not change it during the song. The GM specificat...

Which page are you referring to? Table 3a on Control Change Messages (Data Bytes) mentions only the values. The full explanation can be found in the ...

See the Control Change Messages tables. CCs 100/101 select one RPN; CC 6 then changes the value of that parameter. RPN 0/0 is the pitch bend sen...

In many cases, only MSB messages are sent. Therefore, many synthesizers reset the LSB when the MSB is received. Therefore, you should send the MSB fir...

Both the EFX's MIDI OUT and the MIDI Baby's MIDI IN are designed to work with standard MIDI ports. So I have to conclude that neither one actually use...

It should be possible to change the velocity with something like midish.

The Tyros 4 has a very standard MIDI implementation: The 6N137's output side uses a 5 V supply, but its input works with any 5 mA current at a ...

This depends on what synthesizer you are using.

Nowadays, computers are fast enough so that it is not necessary to include a hardware wavetable synthesizer on a sound card. As far as I know, the ...

The USB protocol always works point-to-point, i.e., it is not possible to have two USB devices that, from the point of view of the computer, behave as...

The bank numbers are what differentiates GM2 instruments from GM instruments. You get the default GM2 banks after sending a GM2 System On message.

You can connect it directly to the laptop. All operating systems have built-in drivers for the standard USB MIDI protocol. You can use any random U...

The best optocouplers are high-speed ones, like the H11L1 or 6N137. However, they do not have pinouts that are same as those of low-speed chips, so yo...

The specification also says: […] The transmitter, however, must send a corresponding Note Off message for every Note On sent. If the transmitter were...

MPE support is a property of the synthesizer (software), not of the soundfont.