Burns Audio에서 Spectrum Synthesizer Bundle 출시했다. 무료로 제공되는 소프트웨어 신디사이저 어플리케이션은 Mutable Instruments 오픈 소스를 기반으로 제작되었으며 iOS 지원된다. , 스탠드 얼론 신스는 아니어서 Garageband 동일하게 DAW 통해 실행해야 한다.

The collection includes:

  • Spectrum – Multi-mode 8-voice polyphonic oscillator featuring 14 high quality oscillator algorithms
  • Modal – Modal synthesis. Bowed, Blowed, and Struck sounds through a 64-band resonator. Also included as an effect.
  • Resonator – 7 beautiful string generation algorithms. Also included as an effect
  • Granular – Granular sampler, looper, pitch shifter, reverb effect.

Each Audio Unit expands on the original MI design by including:

  • modulation LFO
  • modulation ADSR envelope
  • XY touchpad (except on Modal)
  • 2-source modulation matrix allowing for complex and evolving patches.
  • MIDI CC control of parameters