MIDI Forum

The file MARIE.MID appears to be encrypted.

buf_len must be a multiple of four.

Please show your source code.

Are you sending all 32 bytes, or only as many as are actually used? It's possible that the Windows driver ignore the entire USB packet when it sees an...

It might be possible with a tool like midish. If this is not flexible enough, you need to do actual programming.

That MIDI Line Amplifier is quite expensive. Any MIDI Thru box (with its own power supply) will work. As far as I can see from the TG100's service ...

Only the Raspberry Pi Zero (W) has an USB OTG port that can be configured as a USB device. All other Raspberry Pi models work only as a USB host, i.e....

Code like this in the beginning of each track does not make much sense These events were probably merged or copy-pasted in some program that does not...

Delta times are just a mechanism to save space in the file; they are not necessary to understand how the timing works. Just use absolute tick numbers....

According to its manual, the MPK225 can do what you want, but you need a separate power supply. The same applies to the Novation Impulse 25, Alesis V...

That depends on circumstances. When you're playing live and a note-off message might get lost, it can make sense to have a big red button to turn off ...

The XG specification says:If the new Bank Select MSB is 00H (melody voice) but the tone generator does not support the melody voice corresponding to t...

Windows Media Player ist not a synthesizer; it merely sends MIDI messages to some port.

Roland and Yamaha made software implementations of GS and XG synthesizers (VSC-MP1, S-YXG50), but they are discontinued. Almost all synthesizers su...

GM2 uses both MSB and LSB bank selects. For the GM2 bank numbers, see appendix A of the GM2 specification. Also see sections 2.4, 2.6, 3.2, and 3.3.1....