Questions tagged [midi]

MIDI (Musical Instrument Digital Interface) is a technical standard to interface electronic musical instruments and related devices. It includes protocol, physical interface description, and connectors.

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Using the PI to make a standalone synth with a midi keyboard

I have an unused midi keyboard collecting dust in my closed, and was thinking to connect on it a RPI 3B with a small LCD screen, to use it as standalone synth. Currently I am running a 2 GB setup, ...
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Do I need x11 and desktop environment to have a UI?

I have a headless build; which has no x11 server nor any desktop manager. I would like to run some music applications; so I can use a small touch screen that I recently found; and I was wondering if ...
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168 views

Raspberry Pi as a MIDI device

Is it possible to configure RPi as a MIDI device? I'd like it to show up as a MIDI device on my computer when connected via USB OTG to my computer.
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Use Pi as a MIDI Controller Input

I know that I can build a custom MIDI-Controller with some external electronics. But isn't that possible to skip that part and connect the resistors directly to Pi? After I want to read the ...
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62 views

raspi MIDI in audio out

I have a MIDI controller keyboard, that I want to take with me to a vacation. For some reason I cannot bring a tablet/laptop with me. I still have a Raspberry Pi 2B lying around so I thought it might ...
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86 views

Python RTMidi misses Start MIDI message

New issue on my Rpi 3b+ :( I'm using the RTMidi Python lib to monitor incoming midi messages from a midi keyboard, plugged using USB. I can see all incoming messages (notes, stop, continue..). But not ...
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41 views

Sync RGB strip lights with MIDI clock pulse input

I would like to create a lightshow of sorts, for my Keyboard, that can output a midi clock. I have a strip of WS2801 and I am looking for a way to sync colour changes/fades/flashes etc to the beat of ...
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1answer
191 views

Roland midi controller not recognized

I was able to use the Pi as a Midi synthesizer for a Midiplus AKM320 controller using fluidsynth and aconnect. Then I got a larger Roland A49 midi keyboard, but am unable to get this to work. It shows ...
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1answer
362 views

Raspberry Pi MIDI Looper

I would like to write a script that allows MIDI data to be recorded, then sent back out in a loop similar to how a drum machine works. Think drum machine without the audio data. Only MIDI data. I'm ...
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102 views

Is it possible to virtually trigger a GPIO Input pin when nothing is actually connected to it?

I am trying to use incoming MIDI data on my Raspberry Pi 3's USB port to virtually trigger an input GPIO pin. The reason for this is as follows: I'm using the MIDI out port on a Behringer X-32 audio ...
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400 views

Play piano keys through Bluetooth LE and Midi

On the desktop Using my desktop Macbook I can successfully "remote-play" notes on my piano through the USB-Midi to Bluetooth adapter (Yamaha UD-BT01). First I pair the device through the Audio Midi ...
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431 views

MIDI out over USB

I'm trying to build a MIDI controller using a Raspberry Pi Zero. I have all the hardware and code to process the (analog) input signals, but I can't figure out how to send the MIDI data over USB. I ...
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585 views

Drivers for USB/MIDI device

I am new to Raspbian. I managed to get Pure Data to run, but now I am trying to get this MIDI device running: http://www.m-audio.com/products/view/uno Does anyone have any advice for how to install ...
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5k views

Which hardware to connect a MIDI keyboard to the RPi?

As I can see from questions like MIDI keyboard latency with fluidsynth Play MIDI from Raspi using external controller and external blog posts like Jacques Pi Synthesizer I see that it is possible ...
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1answer
4k views

Receiving and sending DMX signals

I've got a Showtec Showmaster 24 in school. Because this device is limited to control only 12 channels over DMX (without using scenes 24), I want to expand this limit with a Raspberry Pi. I found this ...
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1answer
1k views

Act like a bluetooth midi module

Basically I would like to investigate if it is possible to connect a digital stage piano (Yamaha P45 - if that matters) via usb to the pi and make it (the pi) act like a bluetooth 'bridge' (for lack ...
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1answer
147 views

WebMIDI on Chromium?

I'm doing some WebMIDI programming for fun, and I'd like to get it running on a RPi. As I understand it, the WebMIDI API should be implemented on recent versions of Chromium, but could any of you ...
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No audio output using raspberry pi and pygame.midi

I have a Raspberry Pi 2 and a set of speakers connected to the 3.5mm headphone jack. I've got most audio coming out of my speakers by running amixer set name='PCM Playback Route' 1. pygame.mixer ...
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699 views

Number of maximum inputs i can get on a Raspberry pi

I'm relatively new to the rasperry pi but not so to Python programming. So i'm mostly new to the electronics side of the story. I'm looking to build a bass midi controller. My idea was to have one ...
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2answers
193 views

Output text over MIDI to DX7

I am building a raspi device for my dad to send files to a Yamaha DX7 keyboard. The way it was explained to me, It uses regular text files to tell the synth how to play the notes (as in, how it sounds)...
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2answers
5k views

Use a USB MIDI controller as an input

I want to build a kind of a synthesizer, with a set of potentiometers connected to Pi via ADC, a set of momentary buttons that would toggle the modes and so on. I could create a row of buttons as ...
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2answers
2k views

OSError: libportmidi.so: cannot open shared object file: No such file or directory

i'm a newbie with Raspberry PI (my model is B+). I'm tryng to write a script in python that read a midi file and switch on/off leds... My code for reading midi file is this one: import mido output = ...
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1answer
60 views

While loop used to work, now returns empty string

I am following along a tutorial (http://autostatic.com/2013/10/20/using-a-raspberry-pi-as-a-piano) on using the Rpi as a midi piano sampler, but the script is old and a while loop that used to work, ...
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1answer
1k views

raspbian MIDI connection script at autostart

I try to use raspberry together with USB MIDI keyboard and qsynth. I use the following script at autostart that starts qsynth and connects MIDI keyboard to qsynth. #!/bin/sh qsynth -a=alsa & ...
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1answer
2k views

Play MIDI from Raspi using external controller

I want to output MIDI fonts from the Raspberry Pi, hopefully able to control it with external sensors. I have timidity installed but get no sound playing the file python_games/tetrisc.mid . Is there ...
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1answer
2k views

Off-the-shelf synthetiser solution for MIDI piano

I am thinking about using one of my Raspberry PIs to turn USB midi keyboard into a standalone piano. Is there a piece of software I can use? Ideally a single-purpose image akin to the RaspBMC etc. ...
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1answer
4k views

Can Sonic-Pi play a continuous MIDI tone/note?

I've been messing around with Sonic-Pi lately, trying to figure out various things. One thing I'm finding I want to be able to do is play a continuous MIDI tone/note. However, the closest thing I can ...
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1answer
5k views

MIDI keyboard latency with fluidsynth

I set up my MIDI keyboard with fluidsynth on raspbian, mostly according to this how to. It all works fine, but I've got a ~1 second latency. Does anybody know how to fix this issue? RPi model: B ...