Microsoft DirectX 9.0 SDK Update (Summer 2004)

^{DMUS_VEGPARAMS}

The DMUS_VEGPARAMS structure defines a volume envelope for a DLS level 1 articulation chunk.

Syntax

typedef struct {
  TCENT tcAttack;
  TCENT tcDecay;
  PERCENT ptSustain;
  TCENT tcRelease;
  TCENT tcVel2Attack;
  TCENT tcKey2Decay;
} DMUS_VEGPARAMS;

Members

tcAttack

Attack time, in time cents. See Remarks.

tcDecay

Decay time, in time cents. See Remarks.

ptSustain

Sustain, in hundredths of a percent and shifted left by 16.

tcRelease

Release time, in time cents. See Remarks.

tcVel2Attack

Velocity to attack, in time cents. See Remarks.

tcKey2Decay

Key to decay, in time cents. See Remarks.

Remarks

The DLS Level 1 specification defines time cents as a 32-bit logarithmic value. See the specification from the MIDI Manufacturers Association for details about the values in this structure.

Requirements

  Header: Declared in dmdls.h.

See Also

• DMUS_ARTICPARAMS

See Also

• DLS Structures

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