July 22nd 2014

ATKCompressor and ATKExpander Implementation with Audio ToolKit

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I’d like to talk a little bit about the way a compressor and an expander can be written with the Audio Toolkit. Even if both effects use far less filters than the SD1 emulation, they still implement more than just one filter in the pipeline, contrary to a fixed delay line (another audio plugin that I released with the compressor and the expander).

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July 15th 2014

Announcement: ATKCompressor 1.0.1, ATKExpander 1.0.1

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I’m happy to announce the release of three new audio plugins based on the Audio Toolkit. It is available on Windows and OS X (min. 10.8) in different formats.

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July 8th 2014

Announcement: Audio TK 0.4.0

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A lot has happened in two weeks for Audio ToolKit. This release mainly adds tools for Compressor and Delays design. There will be additional plugins release soon.

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July 1st 2014

ATK SD1 Implementation

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I just released my SD1 simulation, and now it is time to explain why is inside this plugin. Not everything in the original pedal was simulated, and different schemes were used to tackle the different stages.

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June 26th 2014

Announcement: Audio TK 0.3.0

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Just after the release of ATK SD1, I updated my audio toolkit. I added a few optimizations on overdrive computations, and also for the base filter array exchange.

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June 24th 2014

Announcement: ATK SD1 1.0.0

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I’m happy to announce the release of my third audio plugin, the first based on the Audio Toolkit. It is available on Windows and OS X in different formats.

The UI was designed by Florent Keller, many thanks to him!

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June 10th 2014

Announcement: Audio TK 0.2.0

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It’s time for a new release of the toolkit. Much has been done in terms of basic filters, but also to simplify usage (static and shared libraries are compiled, no need to reset the pipeline before calling process…).

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May 27th 2014

Audio Toolkit: Optimization of the overdrive simulation

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I’ve explained in earlier posts how to simulate a simple overdrive circuit. I’ve also explained how I implemented this in QtVST (and yes, I should have added labels on those images!), which was more or less the predecessor of Audio TK.

The main problem with simulating non linear circuits is that it costs a lot. Let’s see if I can improve the timings a little bit.

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May 13th 2014

Interactive Raytracer 5: Oversampling

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This will be my last post on this topic, I’ve actually implemented this in my raytracer a long time ago (2009..), except for the last sampler. I don’t have time to make the raytracer behave better, especially the underlying kd-tree. I have other pet projects that are more interesting to me. But this could still be of interest to some people.

Oversampling in graphics are fundamentals. Without it, you get serious aliasing effects. These can be explained quite easily. In your eye, you don’t get just one ray hitting your retina on one “cell”, you get thousands on them, and then your brain only see the mean value. The issue with the raytracer is that it only uses one ray, instead of thousands of them, because it is quite costly! But even with a small amount of rays, you can enhance the results.

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April 29th 2014

Fun review: Are Lego still any good?

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I always was a big fan of Lego during my teens, especially the Technic ones. The objects were quite close to reality, pumps, motors, real fun. I stopped playing with them around 15 years ago, but I still remember those times when I built cars, trucks and when I dreamed of having the (now outdated) expensive drawing machine.

Recently, I decided to get a new one. The reason was that I actually found one box that reminded me of my youth boxes, so why not? Contrary to simpler boxes, this one seemed the most complex and engineered one.

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