MATRIXSYNTH: Korg NTS-1 Custom Oscillator Dev: Basic Phase Distortion Analysis

Tuesday, August 03, 2021

Korg NTS-1 Custom Oscillator Dev: Basic Phase Distortion Analysis


videos upload by Graham Keane

Update: new videos added.

"This simple program will serve as the basis for implementing the Vector Phaseshaping technique as outlined by Lazzarini, Timoney et al."

Playlist demos:

1. Korg NTS-1 Custom Oscillator Dev: Basic Phase Distortion Analysis
In this short video we will have a quick examination of the output of the classic phase distortion technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique produces a non-linear phase distortion of a basic cosine waveform.
2. Korg NTS-1 Custom Oscillator Dev: Filtered Phase Distortion Analysis
In this short video we will have a quick examination of the output of the filtered phase distortion program implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique produces a non-linear phase distortion of a basic cosine waveform which has pitch-tracked filters to tackle some of the aliasing.
3. Korg NTS-1 Custom Oscillator Dev: Basic Vector Phaseshaping (VPS) Analysis
In this short video we will have a quick examination of the output of the basic Vector Phaseshaping technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique uses a 2D inflection point to modulate the phase of a cosine waveform.
4. Korg NTS-1 Custom Oscillator Dev: Interpolated VPS Analysis
In this short video we will have a quick examination of the output of the interpolated Vector Phaseshaping (VPSI) technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique utilises pitch-tracked filters to combat aliasing as well as linear interpolation to reduce the effects of abrupt jumps in the phase due to skipped intervals in the inflection point's range.
5. Korg NTS-1 Custom Oscillator Dev: Formant Synthesis with VPS - Analysis
In this short video we will have a quick examination of the output of Formant Synthesis in the Vector Phaseshaping technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique uses a 2D inflection point to modulate the phase of a cosine waveform which generates formant peaks over certain ranges.
6. Korg NTS-1 Custom Oscillator Dev: Formant Synthesis via VPS with Interpolation Gain - Analysis
In this short video we will have a quick examination of the output of the Formant Synthesis through Vector Phaseshaping technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This particular version uses an interpolation gain to scale two separate VPS signals which are then linearly mixed to produce the main signal. The final signal is processed with pitch-tracked filters and an additional linear interpolation process to reduce the impact of gaps in the inflection points path which give rise to abrupt phase shifts.
7. Korg NTS-1 Custom Oscillator Dev: VPS with Multiple Inflection Points (MVPS) - Analysis
In this short video we will have a quick examination of the output of the Vector Phaseshaping technique with Multiple Inflection Points implemented on the Korg NTS-1 Nu:Tekt digital synthesizer.
8. Korg NTS-1 Custom Oscillator Dev: VPS with Lissajous Modulation - Analysis
In this short video we will demonstrate the output of the Vector Phaseshaping technique with Lissajous Modulation implemented on the Korg NTS-1 Nu:Tekt digital synthesizer.
9. Korg NTS-1 Custom Oscillator Dev: Multi-Vector Phaseshaping Synthesis (MVPS) Analysis
In this short video we will demonstrate the output of the Multi-Vector Phaseshaping Synthesis technique implemented on the Korg NTS-1 Nu:Tekt digital synthesizer. This technique uses a 3-2D inflection points to modulate the phase of a cosine waveform, which can produce interesting shapes as a result.
Additional Graham Keane Korg NTS-1 posts.

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