How can I sample my Virus TI?

[nutrinoland]

How about sampling the oscillator and then modulating it's phase with an LFO to mimic a free running oscillator ?

[Timo]

Originally Posted by nutrinoland

How about sampling the oscillator and then modulating it's phase with an LFO to mimic a free running oscillator ?

If that option is available on the sampler, that would be absolutely fantastic. Does Kontakt have that?

Hardware synths (like the Korg workstations), at least, don't tend to have that option. Samples on hardware tend to have a fixed pre-sustain region (for attack) followed by a loop region for indefinite sustain and release (programmed using an amp EG).

However, while modulating the phase (starting position) of a sample would be good for pads, strings and so forth that don't need to have a specific attack region of the sample, it might be disadvantageous for samples where the attack region of a sound is important, as it would randomly abruptly chop it off.

Thought it would be nice if you could allocate several slightly different samples of the same sound (with different phases) to a particular key, and then have it randomly select one of them when you hit that key. Or increment between them each time you hit the key. So they sound slightly different every time you hit the key. Of course the overall sample-set size would be a lot larger depending on how many multiple samples you allocate to each key, but it would sound more organic.

[MBTC]

Originally Posted by nutrinoland

How about sampling the oscillator and then modulating it's phase with an LFO to mimic a free running oscillator ?

I could be wrong, but at first glance I don't think this would have the desired effect, because a waveform of a sine wave is not really the same as a sine wave or any other natural signal from an oscillator, it has a designated start and end point which have data values between them (well data that represents data really).

For example look at the image on the web page below where it shows the basic wave types. Raw audio signals like a sine wave can be mathematically represented within the ranges of 1 to -1, so that the absolute value of data points between each zero point is the same (or the real values are symmetrical we could say, for example when the 0 to 1 portion is at .5 the 0 to -1 portion is at -.5, etc.)

http://en.wikipedia.org/wiki/Sawtoot...:Waveforms.svg

To the best of my understanding, all that flies out the window when dealing with any sort of audio clip. It might end up symmetrical enough to achieve this sort of phasing effect by matter of coincidence, but I don't think it would behave like an oscillator with most sound bytes.

That is, unless the data is read and synthesized.

I believe the plug-in Harmor does this (by image line). You can import a sample and it will basically read the data within and convert it into oscillator settings, then you can tweak the osc.

I think the best reason to use samples is because they are lighter on processing. The CPU doesn't have to "think" much (i.e. constantly compute the sine wave).

[nutrinoland]

On many synths, single cycle waves can be loaded as oscillators. 3osc, toxic , sytrus, surge, z3ta , serum etc.. I think it loops the wave. They generally have options for free running oscillators, retrigger or phase position.
I too am not really sure about what exactly is going on under the hood though. Harmor does single cycle waves and also does resynthesis, where it breaks down an audio sample like a drum hit , into single cycle waves, which You can then manipulate in different ways, including treat those waves like You would on an additive synth, modifying individual harmonics etc...You can also change playback speed , direction etc.. Kinda like granular synthesis , but not exactly. Morphine also does resynthesis, but not as well as harmor.
Maybe somebody else here knows about the difference between these types of oscillators.