Questions tagged [midi]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
8 views

QSynth audio output distorted sometimes

One time I was playing a MIDI of the can-can song, and at the loudest parts (refrain and crescendos to the refrains) the audio is very raspy and distorted. How do I fix this?
1
vote
0answers
20 views

How do I get sound output from a MIDI keyboard?

I'm running Arch, and I want to run my AKAI MPK mini mk II through Qsynth. I have gotten to the point where, when I press a key on the keyboard, Qsynth acknowledges it, however it makes no sound. ...
0
votes
0answers
106 views

Sending PulseAudio mic + midi synth to zoom/google meet

As per the question Redirecting pulseaudio sink to a virtual source, I'm trying to do the same, but combining the playback from fluidsynth (which gets it input from my physical digital piano) and my ...
0
votes
0answers
85 views

Can I import Windows VST instrument plugins into Qtractor?

I am relatively new to Linux and trying to set up Qtractor to record MIDI. So far, with the help of the documentation, I've managed to get it to communicate with JACK and take MIDI input from my USB ...
0
votes
0answers
26 views

MIDI notes getting stuck

I have a MIDI keyboard (Axiom 61) connected to the USB port of my PC. The keyboard has never functioned properly with this PC. MIDI signals seem to come thru very randomly causing notes either not to ...
1
vote
0answers
14 views

Strip byte pattern out of MIDI sysex messages between ALSA sequencer port and application

I'm looking for a quick-and-dirty way to strip byte sequences in realtime MIDI sysex messages between an ALSA 'sequencer' port and some editor software I am using. This is because I'm using editor ...
0
votes
0answers
24 views

How to prevent midi events from being echoed back

I have a MIDI piano whose MIDI in and out are connected to an es1938 soundcard *). I can record and play back MIDI without any problems, currently using alsa. Problem However, when I don't do anything ...
2
votes
1answer
698 views

How to fire a udev rule after the kernel has registered a driver?

I have a MIDI keyboard "Impulse", and a raspi3. I want to connect the keyboard to the raspi, and having sounds without touching anything. So I use fluidsynth with jack as audio driver. Fluidsynth is ...
1
vote
1answer
74 views

Note number using aseqdump on my midi controller varies

I'm programming a Launchkey MK2 25 to control my Linux system. I've set up some key listeners for the white and black keys to perform some actions. This works. The problem is that sometimes the ...
1
vote
0answers
71 views

Map a Midi controller to Calf plugins

How do I map a Midi CC signal to a Calf plugin in Ardour. The default in Ardour is to hold CTRL and press the mouse wheel button to asign a Hardware knob to the software knob. How does it work with ...
5
votes
1answer
3k views

Simple way to connect midi keyboard to pulseaudio without using Jack

I need a simple way to connect the midi keyboard to pulse audio and leave it active. ( i'm not worried about low latency.) So far, I've looked at Ted's Linux MIDI Guide and followed all of that, but ...
3
votes
2answers
179 views

How do I make MIDI files sound the same in Linux as in Windows?

I have created a MIDI file using Anvil Studio in Windows. When playing the file with the MIDI editor Rosegarden in Linux (openSUSE Tumbleweed), the MIDI file sounds different. Now, I know that MIDI ...
1
vote
1answer
288 views

How create a second midi device?

I need create two or more MIDI devices. Using the command "modprobe snd-virmidi", I create one midi device: "/dev/midi1". This device is connect in port 20. I can see in "aconnect -l" and put with ...
3
votes
4answers
2k views

Setting up Ardour/JACK on Mint/Ubuntu

Full context I would like to set up Ardour and mess around a bit on a keyboard-as-in-music which I got a while ago, turned out not to need, but couldn't return. When I try to start Ardour, with a new ...
1
vote
1answer
333 views

How to use udevadm to fix unrecognized usb device

I am having trouble getting a midi controller (piano keyboard) to work on a raspberry pi. It works on my linux laptop, and another midi keyboard does work on the pi. It is listed under lsusb, so I ...
2
votes
2answers
441 views

How to debug program latency?

I'm trying to run amsynth on a rpi. Latest version of raspbian, fresh install. I tested amsynth on my x86 desktop and it works great, no latency. On the rpi however, I get a delay of around 1 sec ...
5
votes
1answer
3k views

Print and connect Jack Audio and MIDI ports from the command line

How do I print and connect jack-audio and midi ports from the command line, similar to aconnect -io or aconnect 20:0 132:1 for inputs and outputs of ALSA MIDI?
1
vote
1answer
224 views

USB MIDI device crashes when connected to second device

Using my Ubuntu laptop I'm trying to connect these two MIDI devices together: Device 1: USB-MIDI connection Device 2: Standard 5-pin DIN connector with el cheapo USB-MIDI cable Observations... Both ...
3
votes
1answer
4k views

How to play a MIDI file in Linux Mint 18 Cinnamon (using any audio player)? [closed]

I'm trying to play a MIDI file in my Linux Mint 18 Cinnamon. I just open the MIDI file with any music player and it says it requires a plugin named gstreamer1.0-plugins-bad, so I click "Install" and ...
2
votes
1answer
1k views

MIDI Linux Gadget Module (g_midi) with iPad on Raspberry Pi

I'm trying to use the MIDI Linux Gadget Module (g_midi) to turn a Raspberry Pi Zero into a USB MIDI device. I've enabled g_midi using the following commands: echo "dtoverlay=dwc2" | sudo tee -a /boot/...
1
vote
0answers
694 views

regulate system volume with midi controller

Make midi controller regulate system volume. With the following code a midi controller can be used for controlling the audio volume of a linux system: aseqdump -p 20 | sed -nur 's/^.*controller 14, ...
5
votes
1answer
3k views

Is it possible to convert audio to midi with the shell?

Some might say this doesn't work, but it does, this website does what I want. Can you do this with any common tool like ffmpeg? Or maybe there is a python script somewhere? I couldn't find anything on ...
1
vote
1answer
529 views

ALSA RawMIDI issue

I'm trying to write an application using the ALSA RawMIDI interface to exchange sysex data with a hardware synthesizer via USB on a Raspberry PI. the RawMIDI library comes with libasound2-dev. In my ...
3
votes
0answers
263 views

Software for adjusting the velocity curve of a MIDI controller

I use my yamaha clp330 digital piano as a midi controller. The problem is that the volume of the sound is too low when I play on the piano. But using software controllers the sound is normal. So it ...
1
vote
1answer
460 views

play MIDI (*.mid) files in firefox

Many of the (German) Wikipedia articles about bands contain short music samples, like the one for Emerson, Lake & Palmer. (Look for the speaker symbols). Firefox then asks for an application to ...
0
votes
1answer
226 views

Midi and Scheduler on Linux / Raspberry Pi

I'm fairly new to MIDI and Linux. I have an Akai MPX8 with a bunch of individual WAV files loaded onto it. The WAV files play well over the existing audio system. The audio files are launched by ...
3
votes
0answers
1k views

USB MIDI keyboard (Oxygen 61) now not appearing in QJackCtl

I've had a USB Oxygen61 MIDI keyboard for awhile now, and it has worked fine in the past (maybe a month ago, last I tried). But now when I plug it in, it no longer shows up in aconnect -l, and I can'...
3
votes
1answer
2k views

See a serial port as a MIDI IN device

I have connected a MIDI device to my UART RX / serial port /dev/ttyAMA0 using some electronics as described here. I have properly configured the right baud setting (31250 baud, etc.). It works: I can ...
1
vote
1answer
155 views

snd_rawmidi_open() waits forever - no error message

I am trying to use ALSA for MIDI purposes in C. My problem is, snd_rawmidi_open() sort of "crashes" (waits forever like a while loop) when using valuable arguments : #include <stdio.h> #...
3
votes
1answer
999 views

Setting up digital piano and computer with MIDI interface

I have a MIDI cable that has IN and OUT interfaces. I want to connect my piano (Yamaha P95) with the laptop (running Ubuntu), so I can record midi songs. I connected the cable between piano and ...
9
votes
2answers
5k views

timidity: No instrument mapped to tone bank 0, no idea which one is missing

I am trying to play this midi file downloaded from here, but I get: $ timidity --verbose marivonnig1\ \(1\).mid Requested buffer size 32768, fragment size 8192 ALSA pcm 'default' set buffer size ...