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DSFXFlanger Structure

The DSFXFlanger structure contains parameters for a flange effect.

typedef struct DSFXFlanger {
    FLOAT fWetDryMix;
    FLOAT fDepth;
    FLOAT fFeedback;
    FLOAT fFrequency;
    LONG lWaveform;
    FLOAT fDelay;
    LONG lPhase;
} DSFXFlanger;

Members

fWetDryMix
Ratio of wet (processed) signal to dry (unprocessed) signal. Must be in the range from DSFXFLANGER_WETDRYMIX_MIN through DSFXFLANGER_WETDRYMIX_MAX (all wet). The default value is 50.
fDepth
Percentage by which the delay time is modulated by the low-frequency oscillator (LFO), in hundredths of a percentage point. Must be in the range from DSFXFLANGER_DEPTH_MIN through DSFXFLANGER_DEPTH_MAX. The default value is 100.
fFeedback
Percentage of output signal to feed back into the effect's input, in the range from DSFXFLANGER_FEEDBACK_MIN to DSFXFLANGER_FEEDBACK_MAX. The default value is -50.
fFrequency
Frequency of the LFO, in the range from DSFXFLANGER_FREQUENCY_MIN to DSFXFLANGER_FREQUENCY_MAX. The default value is 0.25.
lWaveform
Waveform shape of the LFO. By default, the waveform is a sine. Possible values are defined in the following table.
Value Description
DSFXFLANGER_WAVE_TRIANGLE Triangle.
DSFXFLANGER_WAVE_SIN Sine.
fDelay
Number of milliseconds the input is delayed before it is played back, in the range from DSFXFLANGER_DELAY_MIN to DSFXFLANGER_DELAY_MAX. The default value is 2 ms.
lPhase
Phase differential between left and right LFOs, in the range from DSFXFLANGER_PHASE_MIN through DSFXFLANGER_PHASE_MAX. Possible values are defined in the following table.
Value
DSFXFLANGER_PHASE_NEG_180
DSFXFLANGER_PHASE_NEG_90
DSFXFLANGER_PHASE_ZERO
DSFXFLANGER_PHASE_90
DSFXFLANGER_PHASE_180

The default value is DSFXFLANGER_PHASE_ZERO.

Header: Declared in DSound.h.

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