midi

How do I play arbitrary MIDI notes with javascript?

蹲街弑〆低调 提交于 2019-12-03 11:43:08
问题 To clarify: I don't want to generate a MIDI file nor do I want to play a MIDI file, I wish to play MIDI notes on the fly. I tried using https://github.com/mudcube/MIDI.js as the MIDI library, and it works somewhat. I am able to play notes by calling MIDI.noteOn(0,midiNumber,100); . However, this plays a note for a couple seconds and then tapers off even if I never call MIDI.noteOff . I don't believe this is how MIDI is intended to work. I wish to be able to call noteOn and have a note play

How can I write a MIDI file with Python?

限于喜欢 提交于 2019-12-03 09:38:58
问题 I am writing a script to convert a picture into MIDI notes based on the RGBA values of the individual pixels. However, I cannot seem to get the last step working, which is to actually output the notes to a file. I have tried using the MIDIUtil library, however it's documentation is not the greatest and I can't seem to figure it out. If anyone could tell me how to sequence the notes (so that they don't all begin at the beginning) it would be greatly appreciated. Thanks in advance. 回答1: Looking

How can I generate musical notes on iOS and play them?

我是研究僧i 提交于 2019-12-03 09:23:50
I am creating a musical app which generate some music. I already used MIDI functions on Mac to create a MIDI file with MIDI events (unfortunately, I don't remember names of those functions). I am looking for a way to create instrumental notes (MIDI's or anything else) programmatically in order to play them. I also would like to have multiple channels playing those notes at the same time. I already tried 'SoundBankPlayer' but apparently, it can't play multiple instruments at the same time. Have you got an idea? This answer might be a bit more work than you intended, but you can use PD on iOS to

PHP MIDI Generator

匿名 (未验证) 提交于 2019-12-03 08:46:08
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: Is there away to program a software that generates MIDI from text ? 回答1: A quick google search returned this... http://valentin.dasdeck.com/php/midi/ http://www.phpclasses.org/package/1362-PHP-Read-write-and-manipulate-MIDI-files-and-data.html 文章来源: PHP MIDI Generator

MIDI instrument listing?

↘锁芯ラ 提交于 2019-12-03 08:13:31
I have recently implemented a MIDI Beatbox from the code in Head First Java and would really like to do more with Java's MIDI capabilities. I thought that I might start by adding more, non-percussive instruments to the existing code, but I cannot seem to find a straightforward listing of the available instruments and their int keys. Does such a listing exist anywhere for the Soundbank that ships with the JDK? DYM like this? import javax.sound.midi.*; import javax.swing.*; class Instruments { public static void main(String[] args) throws MidiUnavailableException { Synthesizer synthesizer =

How can I convert between midi to wav/mp3 in c#?

两盒软妹~` 提交于 2019-12-03 06:54:13
I started a small project which includes working with MIDI files. I've been wondering, is there any C# or VB.Net code that peforms that cast between MIDI and WAV files? You could try to somehow interface with Timidity , which is Open Source: TiMidity++ is a software synthesizer. It can play MIDI files by converting them into PCM waveform data; give it a MIDI data along with digital instrument data files, then it synthesizes them in real-time, and plays. It can not only play sounds, but also can save the generated waveforms into hard disks as various audio file formats. FluidSynth is a more

Send MIDI messages over USB on Android

人盡茶涼 提交于 2019-12-03 03:25:15
I would like to make an app on android which sends MIDI messages over USB to a computer to be able to control music softwares such as Cubase, FL, Reason, ect... Hardware MIDI controllers (e.g Keyboards) are automatically recognized in music software on Windows. I guess it's because they use the universal MIDI protocol which is directly recognized by the music software. They don't need their own driver. I'd like to be able to use my phone/tablet as a midi controller without having to install staff on the computer (like with hardware controllers). There's a Demo Code on Android Developers to

Java sound api - Scanning for midi devices

為{幸葍}努か 提交于 2019-12-03 02:22:34
I'm working on a java project that receives midi events from midi hardware using the javax.sound.midi library. In the documentation, it says that MidiSystem.getMidiDeviceInfo() returns a list of all connected midi hardware. It works for me, but the problem is, it only works once. It takes a moment the first time to actually scan for the devices, but each time after that it will immediately return that same list even if new devices have been connected. Is there a way to force it to rescan? It will rescan if the application is restarted, but I don't want my users to have to restart if they

How do I play arbitrary MIDI notes with javascript?

限于喜欢 提交于 2019-12-03 02:08:31
To clarify: I don't want to generate a MIDI file nor do I want to play a MIDI file, I wish to play MIDI notes on the fly. I tried using https://github.com/mudcube/MIDI.js as the MIDI library, and it works somewhat. I am able to play notes by calling MIDI.noteOn(0,midiNumber,100); . However, this plays a note for a couple seconds and then tapers off even if I never call MIDI.noteOff . I don't believe this is how MIDI is intended to work. I wish to be able to call noteOn and have a note play and sustain until noteOff is called. Intended browsers: modern firefox/chrome. It's a bug your version of

Getting midi messages from Receiver in Java

给你一囗甜甜゛ 提交于 2019-12-02 22:26:21
问题 I am trying to use a receiver so that I can extract midi event information as it is playing. I want to listen for notes played and synchronise them was some event. I have read the documentation and I am not sure how to actually use the transmitter / receiver. If someone could help point me in the right direction on how I can grab midi events from the receiver I would be very grateful. Edit: The possible duplicate offered below doesn't explain how the receiver actually works. It offers source