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APM Tool

APM Tool is a new utility to analyze the acoustic properties of a room, so you can decide if and how you want to treat a room.

APM Tool iTunes Description:

With APM Tool you can measure the acoustical performance of a room (reverberation time, clarity, etc.), check if that room is well suited for your purpose and, if not, choose which materials can improve the acoustical behavior.

You can also, save, load and export results in common spreadsheet format.

A tutorial slideshow explains the app usage.

Buy APM Tool on iTunes: $6.99

Monotron Duo Hacked for iPad Control

In the last several years, all of Korg's little hardware synths have been built to be hacker friendly. They even go so far as to release schematics for encouraging circuit exploration, allowing the community expand and improve upon the capabilities of their hardware. MATRIXSYNTH found this example from Alessandro Fasan, who worked out how to control the non-MIDI Monotron Duo from an iPad!

Video Description:

I wanted to share how I MIDI-fied my Monotron Duo from Korg. The TeensyDuino 3.1 controls a dual DAC and a dual digital potentiometer. Many thanks to Marc Nostromo for inspiring this design. I plan to share the SW with Marc Nostromo's blog, what I came up with is based on the code that he originally posted in his blog (it was for the regular Monotron).

The challenge with the Monotron Duo is that it requires two voltage controls (one for the ribbon, one for the octave), so it required some reverse-engineering from the schematics that Korg kindly made available.

Buy MIDI Wrench on iTunes: Free

Let's Play with Cassini: Sound Design & Commentary

I wanted to design a pad sound and turned to Cassini for the task. This is a bit of an unsung app, not getting nearly the amount of attention I feel it deserves, so I made a Let's Play out of it! Here I talk through the whole patch design process. This is the first video sponsored by Patreon, so a big thank you to everyone who has supported me in this new series!

Video Description:

Cassini is one of my favorite synths on iOS for its ludicrous amount of modulation envelopes. I like to turn to it when I need a pad synth patch, and today I need a dark rich pad! If you enjoy these Let's Play videos please consider sponsoring them on Patreon: http://www.patreon.com/user?u=107612

Buy CASSINI Synth for iPad on iTunes: $5.99


Buy CASSINI Synth on iTunes: $3.99

DrumPerfect Quick Start Tutorial

Reader ZenLizard, a contributor over at SynthPatcher, did a Quick Start guide to DrumPerfect. He provides excellent explanations for some of the complexities in the app, while making it look and sound fun!

Buy DrumPerfect on iTunes: $14.99

Easy Chords Studio for iOS & Android

Easy Chords Studio is a Universal iOS and Android app that helps to rapidly prototype chord progressions for your songs.

Buy Easy Chords Studio on iTunes: $1.99

Buy Easy Chords Studio on Google Play: $1.38

Easy Chords Studio iTunes Description:

A must have for every producer, composer or songwriter. An user friendly app which makes it easy to figure out the best mainstream chords for your track. It doesn't matter whether you produce pop, dance, trance or rock, music is all based upon the same set rules which are used over and over. By simply selecting a base key and pressing the suggested chords you are a couple of clicks away from your next song. No musical knowledge required!

Key features:

  • 48 chords (major/minor/7th)
  • 6 chord suggestions per key
  • 12 common progressions
  • 5 different soundsets
  • 4 different beats
  • Show notes in chord (text and piano position)
  • Show notes in current (piano position)
  • Suggested next possible keys
  • Store up to 5 custom chord progressions

The developer even produced this fun intro to the app playing Pop progressions. There is another video for Trance.