And the same thing happened with Anthony Saunders MIDI Sequencer, and Electro-Harmonix Mini-Synth. I would select Dhalang and it just wouldn’t load. Some IAA apps load flawlessly and immediately. For IAA apps, the story is a bit different. Additionally, any MIDI parameters that are available for control are also easily accessed. Any Audio Unit app (all the ones I’ve tried, at any rate) loads immediately and smoothly into apeMatrix. A list at the bottom of the page further divides the apps by function – synth, effects, etc. This is divided into two lists by the tabs at the top of the list – Inter-App Audio and Audio Units apps. When you click on any of the nodes in the audio matrix, a list of available apps appears. For InterApp Audio apps, it’s also possible, but you need to be sure that MIDI is set up to send and receive in all the apps connected to the matrix. Additionally, there is a MIDI Patchbay which allows MIDI from any app to be routed to any other app. These also have A and B buses, which allow information to be passed between the three matrices. There are three audio matrixes, which gives a total of 30 slots for apps to be in. Connections are made by touching the intersection of the horizontal and vertical lines between each node you want to connect. Inputs are on the vertical axis on the left of the matrix, outputs are on the horizontal matrix at the top. Users of the iVCS3 or the original VCS3 will find this very familiar. The central work environment in apeMatrix is, in fact, a Matrix. AUv3 apps work superbly, IAA apps, within certain limits (and these vary from program to program) work very well. This includes most music programs, although older (and still useful) programs, such as the John Cage Prepared Piano, which never received an upgrade to the newer interactive environments, are not useable here. It is designed to work with AUv3 and IAA apps. Alessandro Petrolati’s apeMatrix is an attempt to do that, and mostly, given the limitations of the standards as they currently exist in the iOS environment, it accomplishes that goal admirably. What has been needed is some program that would serve the purpose that, say, the VST standard has served in the desktop environment – a means of tying all the programs together with both audio and MIDI (and other control) signals. Programs like Audiobus and AUM started to address the interconnectivity issue. Then, gradually, things like Network MIDI, InterApp Audio, and Audio Units (AUv3) began to be developed. At first this was impossible in the iOS environment. At the very least, every program needs to be able to send and receive audio, MIDI and/or program data to any other program. Apple engineers may have thought this was a good idea, but for musicians, since at least the early 1980s (if not earlier) the idea of easy interconnectivity between programs has been absolutely essential. One of the basic flaws, or features, of the iOS environment is the “sandboxing” of apps, where each app is a world unto itself. Important note: this software requires iOS 9.1 or later. His latest offering is apeMatrix, a “Swiss-Army-Knife” for connecting audio and MIDI apps in the iOS environment. 19 (this last an emulation of Stockhausen’s delay patch for his piece of the same name). Well known for his iVCS3, a more-than-fully-featured emulation/recreation of the classic British synth of the late 60s/early 70s (made with the imprimatur and blessing of Peter Zinoviev, one of the original developers), he’s gone on to produce a number of apps such as the synths/granulators/samplers Mod, Stria, Sparkle, iDensity, and iPulsaret, and effects such as apeFilter, apeDelay, and Solo nr. Patching and connection software for MIDI and audio in the iOS environment (iOS 9.1 or later) finally arrives.Īlessandro Petrolati is a bit of a legend in the iOS app development community.
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