App: VAPoly16
Developer: Ryo Togawa
Genres: Music

VAPoly16 is a virtual analog bitimbral polyphonic synthesizer for iPhone, iPad and Mac. It features 16 voice synthesizer, effects, sequencer and audio visualization tools. It operates as a stand alone or as an AudioUnit Extension (AUv3).  Stand Alone supports Ableton Link, MIDI and audio file export.

The synthesizer consists of two 8 voice synthesizer, which features two oscillators, two ADSR envelopes, resonant high pass and low pass filter and an amplifier per voice. The oscillators features continuously variable wave shape and wide variety of modulation. The filters are modeled on the Sallen-Key filter circuit for classic analog sound. The Effects include delay, chorus, flanger, reverb, eq and compressor.  The sequencer features piano roll and automation editor to program 16 bar pattern per clip. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. 

Main Features

Virtual analog 16 voice bitimbral polyphonic synthesizer

Sequencer
16 bar patterns per clip. Total 16 clips.
Parameter automation.

Audio Export
Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC)

Support Audio Unit Extension (AUv3)
Works on iPhone, iPad and Mac.
Support iCloud Drive.
Support Ableton Link, Bluetooth MIDI, MIDI In / Out.

System Requirements

For iOS Devices, A10 Fusion or above is 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.

Release notes:
Version 1.0.1 contains improvements and bug fixes.
- Fixed a problem that value of mod wheel when controlled by external device is incorrect.
- Support iOS 17 / iPadOS 17.