Extra Quality — Roland Sc88 Pro Soundfont

The hardware responds to touch (velocity). A note played softly sounds dull; a hard hit sounds bright. Many free SF2s use only one sample layer. High-quality versions include 3 to 4 velocity layers per instrument, providing dynamic realism.

This defines how smooth the audio sounds when pitch-shifting. roland sc88 pro soundfont extra quality

In the context of the SC-88 Pro, “extra quality” is not an official Roland term but a community-driven label for SoundFonts that exceed standard conversions in five key areas: The hardware responds to touch (velocity)

| Feature | Standard Quality | Extra Quality | |---------|----------------|----------------| | Sample resolution | 16-bit, 44.1 kHz, single velocity layer | 24-bit or 32-bit float, 48–96 kHz, multiple velocity layers | | Looping | Audible loop points, short samples | Seamless crossfade loops, extended sustain samples | | Velocity sensitivity | Linear, generic mapping | Custom curves matching original GS behavior | | Filter/Envelope modeling | Missing or basic ADSR | Recreated filter cutoff, resonance, and time-varying envelopes | | Effects integration | Dry samples only | Convolution reverb, modeled chorus, optional hardware impulse responses | In the context of the SC-88 Pro, “extra

Extra quality SoundFonts often exceed the original hardware’s fidelity by using cleaner source captures (e.g., direct line-out from a pristine SC-88 Pro with noise reduction) and advanced SoundFont features like stereo sample panning, key tracking, and mod wheel assignments.