Blog Archive

A Bug Hunting Story: More Fun in the Land of Drag & Drop

It’s not uncommon for me to start my day with a random song stuck in my head. I don’t necessarily hear the song on TV or the radio—it just starts playing in my mind, uninvited, and wants to come out.


Capo 4.1 Now Available

Judging by the release notes, the latest minor update to Capo might seem a little thin on changes. There are a few reasons for that.


More on AVAudioEngine + AirPods

I found the cause of the most recent of my AVAudioEngine + AirPods issues, and an end-user workaround to go along with it. Sadly, this isn’t something I can easily patch with code.


It’s over between us, AVAudioEngine

I’ve been writing audio code for macOS since 2003, and it’s never been an easy task[…] But the problems were purely related to the inherent complexity of audio and hardware.


Chord Intelligence mkIV: The Driver

There is a high-level component in my training software that is responsible for executing each of the experiments that I need to perform in my chord detection research. I call it the driver, because it drives the training process on my behalf.


Editing Capo's Beat Grid

Buried in the list of features that we added to Capo 4 was the oft-requested ability to manipulate Capo’s detected beat locations.


Capo 4 is Now Available

Today's release introduces two all-new song views, and includes our significantly-improved, 4th-generation chord detection engine.


Chord Intelligence mkIV: Training the Deep Neural Network

The software that trains Capo’s chord detection engine can learn from *hundreds* of songs per minute, and chews through more than *a month* worth of audio in a little over an hour.