VAPolyBass

VAPolyBass features -24 dB per octave transistor ladder low pass filter and it is designed for playing with step sequencer. This polyphonic synthesizer consists of three oscillators, resonant low pass filter resonant high pass filter, amplifier, ADSR envelope and five LFOs.

VAPolyBass operates as a stand alone or as an AudioUnit Extension (AUv3) for iPhone, iPad and Mac. Stand Alone supports Ableton Link, MIDI and audio file export. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac.

Main Features

- Polyphonic Synthesizer.
- Lowpass filter modeled on -24dB per oct transistor ladder filter.
- Analog style step sequencer.

- Maximum 8 voice polyphony. it depends on performance of the device it is running.
- Built-in effects and piano roll sequencer.
- Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC)
- Support Audio Unit Extension (AUv3).
- Support MIDI 2.0. Support Foot Pedal.
- Support Ableton Link, Bluetooth MIDI, MIDI In / Out.
- Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms.
- Factory Preset: 128, Effects: 40

Improvements

- Support MIDI Foot Pedal (CC#11, CC#64)
- MIDI CC Settings are saved. It will be recovered when the app launched in the next time.
- UI Color can be selected from black, navy, gray or steel.

System Requirements

- iOS 17.0 or later
- Devices with Apple Silicon are recommended. A13 Fusion or above is highly recommended.
- AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension.
- AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension.
- Sound may be distorted if CPU of the device doesn't have enough power. If it happens reduce number of voices.