MIDI Forum

It does not matter whether you compute the times all at once or individually, on demand. The important point is that the computation must be done rela...

See How to correctly convert MIDI ticks to milliseconds?

In a MIDI file, an event's time is specified as a delta time, i.e., relative to the previous event's time. And the tempo can change at any time. To co...

It is common to select programs only at the beginning of the file, but if you need more than 16 programs, it is certainly possible to change them at a...

The shield (connected to pin 2 at the sender) blocks electrical noise. The current goes from pin 4 to pin 5. To transmit a 0 bit, the sender pulls ...

MIDI uses a current loop (mark = 0 mA, space = 5 mA). Two pins are needed to drive the required current through the receiver's IR LED. The three resis...

How is everything configured in the Audio MIDI setup and in Cubase/Kontakt?

The SMF specification itself is internally consistent because it uses "quarter note" for both values, PPQ and tempo (= μs per quarter). "BPM" is ju...

If your STM32 can speak USB, then you should use it. However, the USB protocol is very complex, so it is likely that you will be using ST's libraries ...

One beat is a quarter note, and a pulse is a tick, so with 100 BPM and 960 PPQ, you have 100 × 960 = 96000 ticks per minute. This is 96000 / 60 = 1600...

Try 10 for the device number byte.

says: In Windows Me, and Windows XP and later, USBAudio supports all the features that are supported in Windows 98 SE and Windows 2000. In addition, ...

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...