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ThrillseekerLA – getting the most out of it

To get the most out of ThrillseekerLA in different Mix situations the key is to utilize the highly adaptive program dependency of the compressor.

Utilizing gain reduction ranges

Finding the sweet spot in a specific compression situation requires seeking the best gain reduction range in the context of the attack and release time behavior (which in return is gain reduction dependent). This opens a vast variety of applications ranging from gentle “fairchild style” bus compression with just 1-2dB of gain reduction up to drum smashing at extreme gain reductions.

As a rule of thumb one can use this basic pattern to perform some very different tasks quite easily: [Read more…]

ThrillseekerLA – released today

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ThrillseekerLA – the short story behind

The Oscar credit for the most addictive GUI artwork goes to Patrick once again.

There are actually two stories behind the ThrillseekerLA venture: One being the creation of a cutting edge compressor design for the digital domain while the other one is about taking a huge leap forward on my journey towards stateful saturation. [Read more…]

introducing ThrillseekerLA

ThrillseekerLA – digital stereo leveling amplifier with truly analog qualities.

At a glance

  • Sophisticated and deep gain riding full of musical character and attitude but with virtually no inter-modulation (IM) distortion artifacts
  • Feedback compression design w/o any samplerate based delay in the loop
  • Classic input level driven two knob design with additional manual attack and release time interventions
  • Highly program dependent envelope timing adoption offering attack times ranging from “instantaneously” up to around 100ms and release times from 30ms up to several seconds
  • Mix level switch to adopt the plug-ins internal gain staging to mixing levels at around -18dBFS
  • Custom SC filter option to attenuate the SC bass response while slightly boosting the HF spectrum
  • Additional one pole (6dB per octave) SC low-cut filter adjustable from 20 to 500Hz
  • External sidechain support
  • Switchable Input/GR/Output metering display
  • Variable compression range control from 0 to 100% [Read more…]

announcing the “Thrillseeker” audio plug-in series

I’m bringing sexy back

The brand new and upcoming Variety of Sound Thrillseeker audio plug-ins series is going to be a plug-in collection premiering Stateful Saturation which is a sophisticated DSP core system for musical harmonic distortion generation based on authentic and truly stateful non-linear models.

Stateful Saturation takes advantage of some sought after analog qualities and preserves them accurately during their transfer right into the digital domain:

  • high frequency shimmer and sheen without digital harshness
  • depth and ‘3d’ imaging side effects before distortion itself becomes apparent
  • audio transient dynamics that remains vibrant and alive
  • natural and impressive bass response

Stateful Saturation opens the door for quite a number of amazing applications ranging from smooth harmonic exciters up to convincing amplifier effects and the DSP core can easily be set in context whether it’s a compressor output stage or a preamplifier circuit, just to name the two. [Read more…]

the side effects of intermodulation in audio processors

typical IM distortion in a digital compressor

The general and most obvious effect of intermodulation components in audio signals is distortion of course – hence the concept of “intermodulation distortion” (aka “IM distortion” or simply “IMD”). IM distortion and harmonic distortion are two pairs of shoes and must be defined individually as already shown in the short essay about “myth and facts about aliasing” but more on this later on.

The existence of intermodulation components can affect the performance of an audio production in various ways. In the best case, IMD components are a desired artistic effect e. g. to obtain heavily crushed audio effect signals but in the worst and rather common case, they are one of the contributing factors which deteriorate the overall audio quality and might ruin a production. [Read more…]

I do believe in feedback

If I would have to state just one single universal principle which life as a whole rests upon then I would probably refer to the principle of feedback. But don’t worry, I don’t want to indulge in rather esoteric directions here but just move on a little bit towards basic system theory and how this relates to audio processing.

(source: wikipedia.org)

According to classical control theory, such systems are taking its output information and feeding it back in to the process input and that way closing the loop – hence the name closed loop system. In DSP audio land, the information is the audio signal itself and the audio (feedback) path constitutes the closed loop system. Audio signal processors such as feedback compressors or guitar amp effects are good examples for specific applications. While the control theory provides a lot of guidance for closed loop systems e.g. on handling differential equations and stability criteria, this can get pretty much nasty in practise because of the potential manifold of feedback loops in the circuit and not just only the main audio path. [Read more…]

towards stateful saturation – very first audio shots

Around a year ago or so I’ve already started to look into a couple of stateful non-linear models which could be more suitable for a musical and convincing digital saturation experience. To make it even more harder, they should avoid the usual drawbacks such as huge latency or insane cpu consumption – if ever possible of course.

Meanwhile, my journey into the non-linear DSP land has made an important stopover with a first prototype implementation for such an approach, yielding a DSP core for musical harmonic distortion generation based on a stateful model. This opens the door for quite a number of interesting applications such as harmonic exciters or devices which needs convincing amp models whether thats a compressor output stage or even part of a guitar amplifier effect. [Read more…]

NastyDLA – final teaser and release info

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