| AB | Audiobus | An IOS software that allows to connect audio and midi application. Currently using the IAA protocoll for inter process communication. The AB app supports AU plugins and offers application switching and application state saving and remote control (see Audiobus features) |
| AB3 | Audiobus 3 | Third version of the AudioBus protocoll |
| ABF | Audiobus Forum | The main forum for IOS musicians and developers |
| AD | Audio Damage | A company offering audio plugins |
| AM | Amplitude Modulation | Sound synthesis: Modulating the volume of an audio signal with another audio signal (Wikipedia) |
| AP | Auria PRO | An audio and MIDI workstation app |
| AT | Aftertouch | A midi message allowing to add additional pressure information to notes (per midi channel). The AT midi message affects all currently playing notes - there is a Poly Pressure midi message to allow per note pressure information |
| AU | Audio Unit | Apples audio plugin format for Audio and Midi plugins, currently version 3 (AUv3) |
| AU Host | Audio Unit Host | An application that can load plugins in the AUv3 format |
| AUM | Audio Mixer | An audio mixing app (like Audiobus) with support for user defined channel routing, supports IAAs and AUv3. AUM itself can be loaded in Audiobus to achieve state saving and process switching for IAAs |
| AUv3 | Audio Unit Version 3 | Apples audio plugin format for Audio and Midi plugins, there are several plugin subtypes types depending on the inputs and outputs of the plugin (see AU features, or for list of AUs and hosts) |
| BM3 | Beat Maker 3 | An audio and MIDI workstation app |
| CC | Control Change | A group of 119 midi message for parameter changes, sometimes also named continuous controller |
| CCK | Camera Connection Kit | A dongle to connect USB devices like audio or midi interfaces to the lightning port |
| CPP | Chord Poly Pad | A MIDI chords player app with AB3 state-saving support |
| DAW | Digital Audio Workstation | A software used for recording, editing and producing audio files. (Wikipedia) |
| EQ | Equalizer | A plugin or app adjusting the balance between frequency components (Wikipedia) |
| FF | FabFilter | A company offering audio plugins |
| FM | Frequency Modulation | Sound synthesis: Modulating the frequency of an audio signal with another audio signal generates interesting (often inharmonic) overtones (Wikipedia) |
| GB | Garage Band | Apples free audio and MIDI workstation app |
| IAA | Inter-App-Audio | An Apple audio / midi protocoll to connect stand-alone, fullscreen applications (see IAA features) |
| MIDI | Musical Instrument Digital Interface | A technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related audio devices for playing, editing and recording music. Each midi connection supports 16 channels to unidirectional transmit information. There are 8 types of messages. (See Wikipedia) |
| MPE | MIDI Polyphonic Expression | Part of the latest midi standard. It defines how to apply per note pitch bend and other controllers. Basically each each note gets its own midi channel and all information on that channel are related to just that note. The midi channel 1 (or 16) is reserved for control messages - two MPE instruments may share a 16 channel midi connection |
| NS2 | Nano Studio 2 | An app for IOS music production |
| OT | Off topic | Discussions not related to the forums or threads main topic |
| PB | Pitch Bend | A midi message to specify pitch bending - the value is applied to all playing notes of the midi channel |
| PC | Program Change | A midi message to change instrument patches (per midi channel) |
| PP | Poly Pressure | A midi message specifying per note pressure information (per midi channel) |
| SB | Sugar Bytes | A company offering audio plugins |
_ki