Octopus Manual - LinPlug Virtual Instruments

Waveform Import / Export and EditingOscillator Waveforms can be created in two different ways: they can becreated in the waveform editors (amplitude and phase) or they can begenerated automatically from imported audio samples.To create a user-defined waveform, first select an Oscillator. EachOscillator's waveform can consist of 32 harmonics. The amplitude of eachharmonic can be individually edited in the Harmonic Amplitude Editor byclicking and dragging within the editor. The phase of each harmonic canalso be set in a similar manner in the Phase Editor. The waveform createdin the two harmonic editors is shown in the waveform display to the right ofthe two editors.Alternatively, a wav/aiff/octwav file can be loaded and used as the basis foran oscillator waveform. When a wav/aiff file is loaded, it is first analysedand then converted into 32 harmonics. The entire sample is regarded as asingle waveform, so if your sample has a duration of 5 seconds, it will havea frequency of 0.2 Hz. Wav/Aiff samples are loaded into RAM in theirentirety. In order to save RAM, it's best to use short samples. However,after samples are analysed, the RAM that they used is freed so it is possibleto analyse large samples. Stereo samples are converted to mono beforebeing analysed. The Octopus also supports the “octwav” format which is aninternal Octopus format consisting of only the harmonic information.The Oscillator popup menu is used for general I/O and editing functionswithin the module, particularly for interchanging spectrums betweenOscillators. The menu is accessed by clicking on the V beside theOscillators label. The popup menu contains five items: Copy Spectrum,Paste Spectrum, Reset Spectrum, Import Spectrum, Export Spectrum.Waveforms in any of the formats mentioned above (wav/aiff/octwav) can beimported into the Octopus using the Import Spectrum menu item.Regardless of the manner in which they were created, Waveforms can besaved using the Export Spectrum menu item. Waveforms are saved inOctopus' “octwav” format.If at any stage, you want to start with a clean slate, the Reset Spectrumitem resets the spectrum to a single harmonic (sine wave).When multiple Oscillators are being used, it's possible of transfer oneOscillator's spectrum to another Oscillator using the Copy Spectrum andPaste Spectrum menu items. Copy Spectrum copies the current Oscillator's16 Manual