DSP

Onset Detection: DSP Adventures

Before I jumped into this rabbit hole, I wouldn’t have thought that onset detection would be so deviously tricky! I just wanted to generate ADSR envelopes from the multichannel guitar signal. It looked easy, until I actually tried to implement it. But now I think I have something that works really well.

Ascend VPU v1.1.1

Ascend VPU v1.1.1 is released. This is still an extension of the evaluation period to March 31, 2021 and probably through April. Why the long gestation period? This will be the first of a series of plugins dedicated to the multichannel guitar. I want to be sure everything is working flawlessly. Ascend-VPU will pave the way to more Ascend plugins, all dedicated to the multichannel guitar.

Onset Detection

Onset detection is concerned with finding the start of a musical note immediately preceding the attack. Onset detection in conjunction with pitch detection are utilized in various processes such as pitch-shifting, synthesis, adaptive filtering and envelope generation, to name a few. Here, we focus on a very specific application of real-time (no latency) monophonic onset …

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Ascend VPU v1.0

I’m very glad to announce the availability of Ascend VPU for evaluation. Ascend VPU is an audio plugin that virtualizes the sonic characteristics of guitar pickups. Given a multichannel pickup with a wide and flat frequency response such as the Nu Multichannel pickup, it is possible to reproduce the frequency response of various pickup positions (bridge, middle, neck) without …

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