// dmusprop.h

typedef struct _SYNTH_REVERB_PARAMS {
  float fInGain;
  float fReverbMix;
  float fReverbTime;
  float fHighFreqRTRatio;
} SYNTH_REVERB_PARAMS, *PSYNTH_REVERB_PARAMS;
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Windows Driver Kit DDI reference (ns-dmusprop-_synth_reverb_params)

_SYNTH_REVERB_PARAMS structure

Description

The SYNTH_REVERB_PARAMS structure contains configuration parameters.

Members

`fInGain`

Specifies the input gain in decibels (dB) to avoid output overflows.

`fReverbMix`

Specifies the reverb mix in dB. 0dB specifies 100% wet reverb (no direct signal). Negative values specify a less wet signal. The coefficients are calculated so that the overall output level stays approximately constant regardless of the amount of reverb mix.

`fReverbTime`

Specifies the reverb delay time in milliseconds.

`fHighFreqRTRatio`

Specifies the ratio of the high frequencies to the global reverb time. Unless very 'splashy-bright' reverberations are desired, this should be set to a value less than 1.0. For example, if dRevTime is 1000ms and HHighFreqRTRatio is 0.1, then the decay time for high frequencies will be 100ms.

View the official Windows Driver Kit DDI reference

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