midi

Audiokit seems to receive only the first three numbers of sysex MIDI messages

由 喜你入骨 提交于 2020-01-14 05:00:13
问题 I'm trying to use audiokit to receive syses messages from a hardware synthesizer in an app on the mac. These synthesizer message are build up of 11 numbers, for example: 240,00,32,51,01,16,112,00,40,95,247 in the current released version of audiokit (4.5.5) messages like this are received in a AKMIDIListener class in the function: receivedMIDISystemCommand(data) . The "data"-object her receives "messed up" messages like the following: [240, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

Update list of Midi Devices in Java

由 社会主义新天地 提交于 2020-01-13 20:18:48
问题 I work on a MIDI-based project in Java and struggle to refresh the list of Midi Devices. As far as i know MidiSystem.getMidiDeviceInfo(); should give me an Info[] Array. Nothing happens for me however. The Objects inside the Array stay the same when new devices are plugged in or out and so is it's length. Searching Stackoverflow brought me to this 6 year old question. One of the comments suggests, that being on OSX/macOS might be the issue. I haven't tried my program on Windows or Linux yet,

Java Sound收藏

由 流过昼夜 提交于 2020-01-13 05:07:51
Java Sound 网上关于java sound的正规资源讲解的非常好,本文不再给出示例,主要提供一些好的资源,并说说我的一些理解,用于形成对java sound的整体认识. 一.几个词汇 TTS:text-to-speech,文本到语音转换 OCR:optical-character-recignition光学字符识别 MIDI:Musical Instrument Digital Interface,乐器数字化接口 MIDI是20世纪80年代初由Dave Smith提出的,目的是解决电声乐器之间的通信.现代音乐都是通过MIDI+音色库合成的.MIDI传输的不是声音信号而是一系列音符控制参数等指令,它告诉MIDI设备要做什么.MIDI传输的信号被统一成MIDIMessage,通过异步串行通信来传递. Tritonus:java sound是一种标准,有两套实现.一套是Sun公司的,一套是Tritonus.在Java 1.3中,Sun公司的被纳入Java标准库.从那时起,Tritonus就很尴尬了.要想使用Tritonus就需要禁用掉Sun的,而禁用Sun的是一件多此一举的事情.Tritonus目前只支持Linux系统,但Tritonus的一些单独下载的插件也可以运行在其他系统上. SPI:Service Provider Interface服务提供接口

Generate live MIDI from Javascript [closed]

由 跟風遠走 提交于 2020-01-12 14:14:27
问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I made some research and it seems that Javascript and MIDI are not going well together these days. At least so Google says. As stated

Generate live MIDI from Javascript [closed]

由 跟風遠走 提交于 2020-01-12 14:13:07
问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I made some research and it seems that Javascript and MIDI are not going well together these days. At least so Google says. As stated

track.add, MidiEvent, and shortMessage (volume control)

由 不打扰是莪最后的温柔 提交于 2020-01-07 02:01:12
问题 On my client I am trying to make MIDI files fade out before continuing on to the next MIDI in the sequence, but I've been having trouble with it. With the code below, it causes a nullpointerException at track.add , I was wondering what I am doing wrong? I'm relatively new to Java programming, so please be specific in your answers public void run() { active = true String s = findcachedir(); uid = getuid(s); if(midiplay) { /* midi = s + savereq; midiplay = false; */ midi = s + savereq; try { /

How to Extract Individual Chords, Rests, and Notes from a midi file?

由 孤者浪人 提交于 2020-01-05 04:04:35
问题 I am making a program that should be able to extract the notes, rests, and chords from a certain midi file and write the respective pitch (in midi tone numbers - they go from 0-127) of the notes and chords to a csv file for later use. For this project, I am using the Python Library "Music21". from music21 import * import pandas as pd #SETUP path = r"Pirates_TheCarib_midi\1225766-Pirates_of_The_Caribbean_Medley.mid" #create a function for taking parsing and extracting the notes def extract

MidiSystem.getSequencer() returns Audio Device Unavailable

由 ∥☆過路亽．° 提交于 2020-01-04 08:37:34
问题 I've keep having an exception thrown, on and on. When i try to make a new Sequencer object, i keep getting the javax.sound.midi.MidiUnavailableException: Audio Device Unavailable exception. So, here's the code: import javax.sound.midi.*; public class MiniMusicPlayer1 { public static void main(String[] args) { try { Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); for (int i = 5; i < 61; i += 4) {

MidiSystem.getSequencer() returns Audio Device Unavailable

由 只谈情不闲聊 提交于 2020-01-04 08:37:19
问题 I've keep having an exception thrown, on and on. When i try to make a new Sequencer object, i keep getting the javax.sound.midi.MidiUnavailableException: Audio Device Unavailable exception. So, here's the code: import javax.sound.midi.*; public class MiniMusicPlayer1 { public static void main(String[] args) { try { Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); for (int i = 5; i < 61; i += 4) {

MidiSystem.getSequencer() returns Audio Device Unavailable

由 大憨熊 提交于 2020-01-04 08:34:27
问题 I've keep having an exception thrown, on and on. When i try to make a new Sequencer object, i keep getting the javax.sound.midi.MidiUnavailableException: Audio Device Unavailable exception. So, here's the code: import javax.sound.midi.*; public class MiniMusicPlayer1 { public static void main(String[] args) { try { Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); for (int i = 5; i < 61; i += 4) {
订阅 midi