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Questions tagged [midi-interface]

28 questions
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Hardware MIDI Out for Playback in Java?

I am making a simple application to playback MIDI files in Java. I am using the javax.sound.midi library. I can retrieve my MIDI Out Device correctly (USB to MIDI Cable). But when I playback the sequence it always plays in the default sound…
Nathan McCoy
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Pianoroll matrix to MIDI conversion

For my project, I have taken midi files, and with the midi2dat function of SoundForge converted them to a matrix with 88 columns, 88 being the number of possible notes. The values in the columns are either 0 or the velocity of the note played. The…
Tria Ufo
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What do the numbers in the 'value' argument mean in the control change message in mido (regarding bank changes) in python?

I've written a program that successfully writes midi files, and opens them in Logic Pro X on my computer (this program is for personal use only btw, so I'm not worried about it not working on other devices.) I have two questions. Firstly, I'd like…
joyjam
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Problem with midi setup on Raspberry Pi with midi board for RPi

I bought this one from osa electronics: https://www.osaelectronics.com/product/midi-board-for-raspberry-pi/ I followed the instructions here on how to set it up: https://www.osaelectronics.com/learn/setting-up-raspberry-pi-for-midi/ After following…
acroscene
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controlling Python script with usb midi controller

I have a usb midi controller (uc-33e) and I have a working python script see below. I would like to be able to control the variables of the python script using my usb controller does anyone have an example of this? I would like to use the "midi…
Rick T
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How to read current MIDI status for AKAI MIDIMIX?

As per these three questions, there is no standard way to force a MIDI controller to send the current state of its sliders and knobs. However, all answers points to the possible existence of manufacturer-specific SysEx command to do so. Is there…
abey
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How do I convert this data to an MIDI file?

I have the Note Index (Each Octave has 12 notes) versus the time(in beats) data. How can I convert this data to a midi file? Example Data: time = [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 9.0, 9.0, 9.0, 10.0, 10.0, 10.0, 11.0, 11.0] notes = [57.0,…
SRIKAR ANAND YELLAPRAGADA
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Does event order matters in midi file

I mean like the meta event comes first , then channel event, then sysevent , meta event etc. In the picture there is one meta event that comes, then channel event, and in between what if we will shuffle the order?
Rushikesh
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Improving quality of sound extracted from a midi file

Can effects like fading, distortion, swing, reverb and sustain be added to the music extracted from a midi file on the computer? Or does midi allow us to incorporate these features during it's creation? Going through the midi specification I…
BitWriter
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Python Pyo midi keyboard simulate

I looking to develop a synth with python and Pyo. I'd like to use my computer keyboard as a midi keyboard to play melodies. How can I fake my computer keyboard as a midi keyboard? thx
fraba
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Issue with loaded Midi.Net DLL

Lately I'm having some issues in different applications that I have made. All of these applications use a Midi-controller to send midi-notes to a lighting desk. The issue is the same for all of these applications. In runtime, when I'm working on the…
Cainnech
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Ableton Live/M-Audio Fast Track conflict with USB keyboard

I am using Ableton Live 6 Lite with M-Audio Fast Track connected through USB port. I am having the following issue which I do not know how to resolve: I cannot simultaneously use sound recording with the above mentioned setup and a USB connected…
jazzblue
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I can not change the midi channel program on JSR-135

I tell them that I'm working with a MIDlet and I can not able to change any instrument midi channel. I tried with .shortMidiEvent(0xC0 + channel, program, 0); and setProgram(channel, -1, program) without result. on my phone is a Nokia X3-02…
kapodamy
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