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MIDI Forum

Clemens Ladisch
Clemens Ladisch
Joined: Jan 20, 2016
Last seen: Apr 19, 2026
Topics: 1 / Replies: 331
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Re: Note off - two different ways?

The first one allows to send a value for the note-off velocity. The second one allows to use running status, i.e., saving one byte (90 2B 72 2B 00).

2 months ago
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Re: TRS to TRS wiring confusion

MIDI cables connect pins 4 and 5 straight through, i.e., the respective source and sink pins are indeed connected together. On the MIDI OUT port, curr...

4 months ago
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Re: midi events with type ID 0x64, 0x65, 0x06, ...?

This is Running Status. When you see a data byte where you'd expect a status byte, then you have to use the last status byte (here, 0xB0).

1 year ago
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Re: What is the standard non-standard way people supply power over the midi port?

With devices that use the MIDI Out circuit suggested by the MIDI Specification, it is possible to steal some power from pin 4. The Alesis Q49 uses a d...

1 year ago
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Re: iPad 6 mini MIDI via USB C into a PC

There is an app called Midi Controller that claims to support USB to a Mac. As far as I can see, there is no solution for Windows.

1 year ago
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Re: Repair midi files incorrectly labeled as Unix Executable files?

That is not a MIDI file but a Digital Perfomer project file.

1 year ago
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Re: More than one CC-message per USB-poll?

A single USB packet can contain multiple MIDI messages. The specification does not say how messages arriving at the same time are handled, but the o...

1 year ago
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RE: Analog to MIDI IC available anywhere?

Doepfer builds such modules, such as "Pocket Electronic" or "Wheel Electronic". Search on doepfer.de.

1 year ago
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RE: Roland SC-8850

You did not mention it; did you set the "Computer" switch on the back to "MIDI"? (See p. 16 of the manual; also see all remarks on p. 20.) Did you d...

1 year ago
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Re: What is best method to get USB MIDI 2.0 running on MCU

Implementing USB is not easy. If you do not have experience with this, you should indeed start with USB MIDI 1.0. Note that such libraries always de...

1 year ago
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Re: Convert Midi cc# into data suitable for expression pedal input jack

A MIDI Merger in the MFC-to-Axe cable would still allow the data in the other cable (from the AxeFx to the MFC-101) to go through. I am not aware of...

1 year ago
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Re: Doubt with GM and GM off

"GM On" changes to General MIDI instruments, i.e., Bank Select messages are ignored."GM2 On" changes to GM2 instruments."GM Off" changes to vendor-spe...

2 years ago
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Re: Oxygen25 USB-b to TRS

The Oxygen25's USB-B port cannot control other devices; it must be connected to a PC, or to a USB-MIDI Host. To convert MIDI commands to actual soun...

2 years ago
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Re: Confusion with 5 pin DIN terminal numbering

I meant the cable. Apparently, that reputable supplier did not use a cable assembly from a reputable supplier.

2 years ago
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