Remarks
Applies a Parametric equalizer effect to the given portion of sound under editing.
DirectX effects requires the availability of DirectX version 8 or higher on the target system and can be applied only if a call to the GetDirectSoundVersion method returns a value higher than 7.
For further details about methods related to the use of special effects refer to the EffectsMan class.
Syntax
[Visual Basic]
Public Function DirectXApply (
nStartPosition as Int32,
nEndPosition as Int32,
fx as Microsoft.DirectX.DirectSound.EffectsParamEq
) as enumErrorCodes
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[C#]
public enumErrorCodes DirectXApply (
Int32 nStartPosition,
Int32 nEndPosition,
Microsoft.DirectX.DirectSound.EffectsParamEq fx
);
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[C++]
public: enumErrorCodes DirectXApply (
Int32 nStartPosition,
Int32 nEndPosition,
Microsoft::DirectX::DirectSound::EffectsParamEq fx
);
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Parameter
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Description
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nStartPosition
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Start position, expressed in milliseconds, of the affected sound range.
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nEndPosition
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End position, expressed in milliseconds, of the affected sound range.. If set to -1 the end position will be set to the end of the sound.
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fx
|
Effect structure containing parameters to apply.
Property
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Meaning
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Bandwidth
|
Retrieves and sets the bandwidth expressed in semitones.
Can range from ParamEqEffect.BandwidthMin to ParamEqEffect.BandwidthMax.
The default value is 12.
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Center
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Retrieves and sets the center frequency expressed in hertz.
Can range from ParamEqEffect.CenterMin to ParamEqEffect.CenterMax.
The default value is 8000.
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Gain
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Retrieves and sets the gain.
Can range from ParamEqEffect.GainMin to ParamEqEffect.GainMax.
The default value is 0.
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Return value
Value
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Meaning
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Negative value
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An error occurred (see the LastError property for further error details)
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enumErrorCodes.ERR_NOERROR (0)
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The method call was successful.
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