Howl: A formant synthesizer
iOS app by Daniel Clelland. Music · Daniel Clelland
- Store rating
- 4.26 / 5
- Store rating count
- 39
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 2.4.1
- Listing last refreshed
- 2026-09-15
View the original store listing
Store description excerpt
HOWL is a simple vocoder/synthesizer. It uses formants to simulate the human voice and a pitch-space keyboard to help you find interesting melodies. Features: • Simple synthesizer (just a sawtooth wave nothing too complicated okay) • Simple vocoder (four parallel bandpass filters, a bit like the Klatt engine) • Audiobus support, so you can pipe your own audio through the vocoder and/or send the output to other software • Adjustable pitch-space keyboard • Cool FX (bitcrush, reverb, vibrato and tremolo) Download it today! HOWL is also open source (check out the code at https://github.com/dclelland/HOWL).
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