The stereo panning of this effect. 1 is hard left, 64 is center, 127 is hard right.
The 16 parameter values for this effect block (14-bit wide params, 7-bit single-byte params).
The return (level) of the effect. 0 is silence (-Inf dB), 64 is normal (0 dB) and 127 is double the volume (+6 dB).
The type of the processor. Per XG spec, BASIC EFFECT (LSB = 0) will be used if the exact match is missing. If both are missing, fallback will be used. The newly selected processor is reset to its type defaults, mirroring the GS insertion behavior.
A snapshot of a XGSystemEffectBlock.