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Mac Power 1997 November
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BP2 examples
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-da.tryQuantize
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1997-06-09
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// Bol Processor version BP2.7.1
// Data file saved as '-da.tryQuantize'. Date: Lun 9 Juin 1997 -- 9:08
-ho.tryQuantize
-se.tryQuantize
// This is a demo of BP2 quantization. See BP2 Reference manual (6. Time quantization) for detailed explanation.
// In the "Windows" menu, select "Time accuracy".
// Play this with Quantization OFF:
{do4 {re4 mi4,fa4 sol4 la4}, si4 do5}
// The graphic you see comes from the following phase diagram:
do4 _ _ _ _ _ re4 _ _ _ _ _ mi4 _ _ _ _ _
fa4 _ _ _ sol4 _ _ _ la4 _ _ _
si4 _ _ _ _ _ _ _ _ do5 _ _ _ _ _ _ _ _
// Now, set Quantization to ON and play the same item. The graphic (and the sound) have changed. The corresponding simplified phase diagram is:
do4 _ _ re4 _ _ mi4 _ _
fa4 _ sol4 _ la4 _
si4 _ _ _ do5 _ _ _ _
// Indeed, 200ms is a high value for quantization, but it's convenient for a simple demo.
// More complicated item. The graphic shows that the
// duration of the item does not match precisely
// the original duration because the number of streaks (45)
// is not a multiple of the quantization ratio (Kpress = 4)
// Of course the mismatch cannot be larger than the
// quantization value (200ms).
// This example is discussed in CMJ.
{do4 {re4 mi4,fa4 sol4 la4},si4 do5 re5 mi5 fa5}
// Now we try quantizing in smooth time with time patterns
// Set time to "smooth" in "Metronom" window
{t1 {t2 t3,fa4 sol4 la4}, si4 do5}