Howl: A formant synthesizer

Published by: Daniel Clelland
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Description

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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Howl FAQ

  • Is Howl free?

    Yes, Howl is completely free and it doesn't have any in-app purchases or subscriptions.

  • Is Howl legit?

    🤔 The Howl app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.

    Thanks for the vote

  • How much does Howl cost?

    Howl is free.

  • What is Howl revenue?

    To get estimated revenue of Howl app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating
App is not rated in Philippines yet.
Ratings History

Howl Reviews

Just feedback

Snapfi on

United States

I just got this and there’s just feedback sound. Don’t know how to use it

Doesn’t produce its own sound. Only uses mic.

Mars Isikka on

United States

Self explanatory. I don’t know what happened but this used to work just fine. Not anymore

Thank you for making this app

Blinkenlighten on

United States

Lots of well thought out features, this app is a thing of beauty. The world is a better please because it exists. It took me a bit to get used to controlling the knobs by angle. My instinct was the click the knob and hold, dragging up and down to change the value. That interface makes it easier to do fine adjustments but as is it is totally workable.

Amazing and completely free

doppelganger86 on

United States

This is a simple and intuitive Formant synth app that is 100% free. Virtual midi would make this a six star app. Thank you to the developer for this gift. Keep up the good work!

Fun, easy & cool

RobotSlavesNow on

United States

that’s not just what my business card says; it applies to howl too. this app totally fills my formant needs (which were considerable in Q2 and expected to increase for the rest of the fiscal year) and adds enough fx options to make it more than a novelty. the interface is excellent

Want to Like it - No Audiobus or AUM

Gern Blasnton on

United States

Does not load in either Audiobus or AUM. Also, the vowel pad has no graphic effect as pictured.

I like it but...

Mozfits on

United States

Can’t figure out why when the app is open it disables sound output to my Bluetooth headphones. Makes it useless when I’m traveling or on the train.

Very nice

lostproductivity on

United States

Plays well with AUM and Audioshare (Audioshare being a source). Just don't forget to play (and/or lock) it while filtering and turn the knobs down a bit so you can hear your source audio coming in. Very excited to further mangle more sound experiments.

Awesome app!

Da Frog on

United States

Really a thrill to use with all the modulation options at your fingertips on an iPad. Phenomenal touchscreen UI. I'm about to record a particularly grimey slurry of vowels and use that audio as the modulator for ableton's vocoder. It's gonna be funnnn....

Could be good

Eriptron on

United States

Some of the controls are stupid sensitive for small adjustments. Interesting but not much more than a novelty.

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