#region --- OpenTK.OpenAL License ---
/* EfxTokens.cs
 * C headers: \OpenAL 1.1 SDK\include\ "efx.h", "efx-creative.h", "Efx-Util.h"
 * Spec: Effects Extension Guide.pdf (bundled with OpenAL SDK)
 * Copyright (c) 2008 Christoph Brandtner and Stefanos Apostolopoulos
 * See license.txt for license details
 * http://www.OpenTK.net */
#endregion

using System;

namespace OpenTK.Audio
{
    #region Effect

    ///<summary>A list of valid 32-bit Float Effect/GetEffect parameters</summary>
    public enum EfxEffectf : int
    {
        ///<summary>Reverb Modal Density controls the coloration of the late reverb. Lowering the value adds more coloration to the late reverb. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        ReverbDensity = 0x0001,
        ///<summary>The Reverb Diffusion property controls the echo density in the reverberation decay. The default 1.0f provides the highest density. Reducing diffusion gives the reverberation a more "grainy" character that is especially noticeable with percussive sound sources. If you set a diffusion value of 0.0f, the later reverberation sounds like a succession of distinct echoes. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        ReverbDiffusion = 0x0002,
        ///<summary>The Reverb Gain property is the master volume control for the reflected sound - both early reflections and reverberation - that the reverb effect adds to all sound sources. Ranges from 1.0 (0db) (the maximum amount) to 0.0 (-100db) (no reflected sound at all) are accepted. Units: Linear gain Range [0.0f .. 1.0f] Default: 0.32f</summary>
        ReverbGain = 0x0003,
        ///<summary>The Reverb Gain HF property further tweaks reflected sound by attenuating it at high frequencies. It controls a low-pass filter that applies globally to the reflected sound of all sound sources feeding the particular instance of the reverb effect. Ranges from 1.0f (0db) (no filter) to 0.0f (-100db) (virtually no reflected sound) are accepted. Units: Linear gain Range [0.0f .. 1.0f] Default: 0.89f</summary>
        ReverbGainHF = 0x0004,
        ///<summary>The Decay Time property sets the reverberation decay time. It ranges from 0.1f (typically a small room with very dead surfaces) to 20.0 (typically a large room with very live surfaces). Unit: Seconds Range [0.1f .. 20.0f] Default: 1.49f</summary>
        ReverbDecayTime = 0x0005,
        ///<summary>The Decay HF Ratio property sets the spectral quality of the Decay Time parameter. It is the ratio of high-frequency decay time relative to the time set by Decay Time.. Unit: linear multiplier Range [0.1f .. 2.0f] Default: 0.83f</summary>
        ReverbDecayHFRatio = 0x0006,
        ///<summary>The Reflections Gain property controls the overall amount of initial reflections relative to the Gain property. The value of Reflections Gain ranges from a maximum of 3.16f (+10 dB) to a minimum of 0.0f (-100 dB) (no initial reflections at all), and is corrected by the value of the Gain property. Unit: Linear gain Range [0.0f .. 3.16f] Default: 0.05f</summary>
        ReverbReflectionsGain = 0x0007,
        ///<summary>The Reflections Delay property is the amount of delay between the arrival time of the direct path from the source to the first reflection from the source. It ranges from 0 to 300 milliseconds. Unit: Seconds Range [0.0f .. 0.3f] Default: 0.007f</summary>
        ReverbReflectionsDelay = 0x0008,
        ///<summary>The Late Reverb Gain property controls the overall amount of later reverberation relative to the Gain property. The value of Late Reverb Gain ranges from a maximum of 10.0f (+20 dB) to a minimum of 0.0f (-100 dB) (no late reverberation at all). Unit: Linear gain Range [0.0f .. 10.0f] Default: 1.26f</summary>
        ReverbLateReverbGain = 0x0009,
        ///<summary>The Late Reverb Delay property defines the begin time of the late reverberation relative to the time of the initial reflection (the first of the early reflections). It ranges from 0 to 100 milliseconds. Unit: Seconds Range [0.0f .. 0.1f] Default: 0.011f</summary>
        ReverbLateReverbDelay = 0x000A,
        ///<summary>The Air Absorption Gain HF property controls the distance-dependent attenuation at high frequencies caused by the propagation medium and applies to reflected sound only. Unit: Linear gain per meter Range [0.892f .. 1.0f] Default: 0.994f</summary>
        ReverbAirAbsorptionGainHF = 0x000B,
        ///<summary>The Room Rolloff Factor property is one of two methods available to attenuate the reflected sound (containing both reflections and reverberation) according to source-listener distance. It's defined the same way as OpenAL's Rolloff Factor, but operates on reverb sound instead of direct-path sound. Unit: Linear multiplier Range [0.0f .. 10.0f] Default: 0.0f</summary>
        ReverbRoomRolloffFactor = 0x000C,

        ///<summary>This property sets the modulation rate of the low-frequency oscillator that controls the delay time of the delayed signals. Unit: Hz Range [0.0f .. 10.0f] Default: 1.1f</summary>
        ChorusRate = 0x0003,
        ///<summary>This property controls the amount by which the delay time is modulated by the low-frequency oscillator. Range [0.0f .. 1.0f] Default: 0.1f</summary>
        ChorusDepth = 0x0004,
        ///<summary>This property controls the amount of processed signal that is fed back to the input of the chorus effect. Negative values will reverse the phase of the feedback signal. At full magnitude the identical sample will repeat endlessly. Range [-1.0f .. +1.0f] Default: +0.25f</summary>
        ChorusFeedback = 0x0005,
        ///<summary>This property controls the average amount of time the sample is delayed before it is played back, and with feedback, the amount of time between iterations of the sample. Larger values lower the pitch. Unit: Seconds Range [0.0f .. 0.016f] Default: 0.016f</summary>
        ChorusDelay = 0x0006,

        ///<summary>This property controls the shape of the distortion. The higher the value for Edge, the "dirtier" and "fuzzier" the effect. Range [0.0f .. 1.0f] Default: 0.2f</summary>
        DistortionEdge = 0x0001,
        ///<summary>This property allows you to attenuate the distorted sound. Range [0.01f .. 1.0f] Default: 0.05f</summary>
        DistortionGain = 0x0002,
        ///<summary>Input signals can have a low pass filter applied, to limit the amount of high frequency signal feeding into the distortion effect. Unit: Hz Range [80.0f .. 24000.0f] Default: 8000.0f</summary>
        DistortionLowpassCutoff = 0x0003,
        ///<summary>This property controls the frequency at which the post-distortion attenuation (Distortion Gain) is active. Unit: Hz Range [80.0f .. 24000.0f] Default: 3600.0f</summary>
        DistortionEQCenter = 0x0004,
        ///<summary>This property controls the bandwidth of the post-distortion attenuation. Unit: Hz Range [80.0f .. 24000.0f] Default: 3600.0f</summary>
        DistortionEQBandwidth = 0x0005,

        ///<summary>This property controls the delay between the original sound and the first "tap", or echo instance. Subsequently, the value for Echo Delay is used to determine the time delay between each "second tap" and the next "first tap". Unit: Seconds Range [0.0f .. 0.207f] Default: 0.1f</summary>
        EchoDelay = 0x0001,
        ///<summary>This property controls the delay between the "first tap" and the "second tap". Subsequently, the value for Echo LR Delay is used to determine the time delay between each "first tap" and the next "second tap". Unit: Seconds Range [0.0f .. 0.404f] Default: 0.1f</summary>
        EchoLRDelay = 0x0002,
        ///<summary>This property controls the amount of high frequency damping applied to each echo. As the sound is subsequently fed back for further echoes, damping results in an echo which progressively gets softer in tone as well as intensity. Range [0.0f .. 0.99f] Default: 0.5f</summary>
        EchoDamping = 0x0003,
        ///<summary>This property controls the amount of feedback the output signal fed back into the input. Use this parameter to create "cascading" echoes. At full magnitude, the identical sample will repeat endlessly. Below full magnitude, the sample will repeat and fade. Range [0.0f .. 1.0f] Default: 0.5f</summary>
        EchoFeedback = 0x0004,
        ///<summary>This property controls how hard panned the individual echoes are. With a value of 1.0f, the first "tap" will be panned hard left, and the second "tap" hard right. –1.0f gives the opposite result and values near to 0.0f result in less emphasized panning. Range [-1.0f .. +1.0f] Default: -1.0f</summary>
        EchoSpread = 0x0005,

        ///<summary>The number of times per second the low-frequency oscillator controlling the amount of delay repeats. Range [0.0f .. 10.0f] Default: 0.27f</summary>
        FlangerRate = 0x0003,
        ///<summary>The ratio by which the delay time is modulated by the low-frequency oscillator. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        FlangerDepth = 0x0004,
        ///<summary>This is the amount of the output signal level fed back into the effect's input. A negative value will reverse the phase of the feedback signal. Range [-1.0f .. +1.0f] Default: -0.5f</summary>
        FlangerFeedback = 0x0005,
        ///<summary>The average amount of time the sample is delayed before it is played back. When used with the Feedback property it's the amount of time between iterations of the sample. Unit: Seconds Range [0.0f .. 0.004f] Default: 0.002f</summary>
        FlangerDelay = 0x0006,

        ///<summary>This is the carrier frequency. For carrier frequencies below the audible range, the single sideband modulator may produce phaser effects, spatial effects or a slight pitch-shift. As the carrier frequency increases, the timbre of the sound is affected. Unit: Hz Range [0.0f .. 24000.0f] Default: 0.0f</summary>
        FrequencyShifterFrequency = 0x0001,

        ///<summary>This controls the frequency of the low-frequency oscillator used to morph between the two phoneme filters. Unit: Hz Range [0.0f .. 10.0f] Default: 1.41f</summary>
        VocalMorpherRate = 0x0006,

        ///<summary>This is the frequency of the carrier signal. If the carrier signal is slowly varying (less than 20 Hz), the result is a slow amplitude variation effect (tremolo). Unit: Hz Range [0.0f .. 8000.0f] Default: 440.0f</summary>
        RingModulatorFrequency = 0x0001,
        ///<summary>This controls the cutoff frequency at which the input signal is high-pass filtered before being ring modulated. Unit: Hz Range [0.0f .. 24000.0f] Default: 800.0f</summary>
        RingModulatorHighpassCutoff = 0x0002,

        ///<summary>This property controls the time the filtering effect takes to sweep from minimum to maximum center frequency when it is triggered by input signal. Unit: Seconds Range [0.0001f .. 1.0f] Default: 0.06f</summary>
        AutowahAttackTime = 0x0001,
        ///<summary>This property controls the time the filtering effect takes to sweep from maximum back to base center frequency, when the input signal ends. Unit: Seconds Range [0.0001f .. 1.0f] Default: 0.06f</summary>
        AutowahReleaseTime = 0x0002,
        ///<summary>This property controls the resonant peak, sometimes known as emphasis or Q, of the auto-wah band-pass filter. Range [2.0f .. 1000.0f] Default: 1000.0f</summary>
        AutowahResonance = 0x0003,
        ///<summary>This property controls the input signal level at which the band-pass filter will be fully opened. Range [0.00003f .. 31621.0f] Default: 11.22f</summary>
        AutowahPeakGain = 0x0004,

        ///<summary>This property controls amount of cut or boost on the low frequency range. Range [0.126f .. 7.943f] Default: 1.0f</summary>
        EqualizerLowGain = 0x0001,
        ///<summary>This property controls the low frequency below which signal will be cut off. Unit: Hz Range [50.0f .. 800.0f] Default: 200.0f</summary>
        EqualizerLowCutoff = 0x0002,
        ///<summary>This property allows you to cut/boost signal on the "mid1" range. Range [0.126f .. 7.943f] Default: 1.0f</summary>
        EqualizerMid1Gain = 0x0003,
        ///<summary>This property sets the center frequency for the "mid1" range. Unit: Hz Range [200.0f .. 3000.0f] Default: 500.0f</summary>
        EqualizerMid1Center = 0x0004,
        ///<summary>This property controls the width of the "mid1" range. Range [0.01f .. 1.0f] Default: 1.0f</summary>
        EqualizerMid1Width = 0x0005,
        ///<summary>This property allows you to cut/boost signal on the "mid2" range. Range [0.126f .. 7.943f] Default: 1.0f</summary>
        EqualizerMid2Gain = 0x0006,
        ///<summary>This property sets the center frequency for the "mid2" range. Unit: Hz Range [1000.0f .. 8000.0f] Default: 3000.0f</summary>
        EqualizerMid2Center = 0x0007,
        ///<summary>This property controls the width of the "mid2" range. Range [0.01f .. 1.0f] Default: 1.0f</summary>
        EqualizerMid2Width = 0x0008,
        ///<summary>This property allows to cut/boost the signal at high frequencies. Range [0.126f .. 7.943f] Default: 1.0f</summary>
        EqualizerHighGain = 0x0009,
        ///<summary>This property controls the high frequency above which signal will be cut off. Unit: Hz Range [4000.0f .. 16000.0f] Default: 6000.0f</summary>
        EqualizerHighCutoff = 0x000A,

        ///<summary>Reverb Modal Density controls the coloration of the late reverb. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        EaxReverbDensity = 0x0001,
        ///<summary>The Reverb Diffusion property controls the echo density in the reverberation decay. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        EaxReverbDiffusion = 0x0002,
        ///<summary>Reverb Gain controls the level of the reverberant sound in an environment. A high level of reverb is characteristic of rooms with highly reflective walls and/or small dimensions. Unit: Linear gain Range [0.0f .. 1.0f] Default: 0.32f</summary>
        EaxReverbGain = 0x0003,
        ///<summary>Gain HF is used to attenuate the high frequency content of all the reflected sound in an environment. You can use this property to give a room specific spectral characteristic. Unit: Linear gain Range [0.0f .. 1.0f] Default: 0.89f</summary>
        EaxReverbGainHF = 0x0004,
        ///<summary>Gain LF is the low frequency counterpart to Gain HF. Use this to reduce or boost the low frequency content in an environment. Unit: Linear gain Range [0.0f .. 1.0f] Default: 1.0f</summary>
        EaxReverbGainLF = 0x0005,
        ///<summary>The Decay Time property sets the reverberation decay time. It ranges from 0.1f (typically a small room with very dead surfaces) to 20.0f (typically a large room with very live surfaces). Unit: Seconds Range [0.1f .. 20.0f] Default: 1.49f</summary>
        EaxReverbDecayTime = 0x0006,
        ///<summary>Decay HF Ratio scales the decay time of high frequencies relative to the value of the Decay Time property. By changing this value, you are changing the amount of time it takes for the high frequencies to decay compared to the mid frequencies of the reverb. Range [0.1f .. 2.0f] Default: 0.83f</summary>
        EaxReverbDecayHFRatio = 0x0007,
        ///<summary>Decay LF Ratio scales the decay time of low frequencies in the reverberation in the same manner that Decay HF Ratio handles high frequencies. Unit: Linear multiplier Range [0.1f .. 2.0f] Default: 1.0f</summary>
        EaxReverbDecayLFRatio = 0x0008,
        ///<summary>Reflections Gain sets the level of the early reflections in an environment. Early reflections are used as a cue for determining the size of the environment we are in. Unit: Linear gain Range [0.0f .. 3.16f] Default: 0.05f</summary>
        EaxReverbReflectionsGain = 0x0009,
        ///<summary>Reflections Delay controls the amount of time it takes for the first reflected wave front to reach the listener, relative to the arrival of the direct-path sound. Unit: Seconds Range [0.0f .. 0.3f] Default: 0.007f</summary>
        EaxReverbReflectionsDelay = 0x000A,
        ///<summary>The Late Reverb Gain property controls the overall amount of later reverberation relative to the Gain property. Range [0.0f .. 10.0f] Default: 1.26f</summary>
        EaxReverbLateReverbGain = 0x000C,
        ///<summary>The Late Reverb Delay property defines the begin time of the late reverberation relative to the time of the initial reflection (the first of the early reflections). It ranges from 0 to 100 milliseconds. Unit: Seconds Range [0.0f .. 0.1f] Default: 0.011f</summary>
        EaxReverbLateReverbDelay = 0x000D,
        ///<summary>Echo Time controls the rate at which the cyclic echo repeats itself along the reverberation decay. Range [0.075f .. 0.25f] Default: 0.25f</summary>
        EaxReverbEchoTime = 0x000F,
        ///<summary>Echo Depth introduces a cyclic echo in the reverberation decay, which will be noticeable with transient or percussive sounds. Range [0.0f .. 1.0f] Default: 0.0f</summary>
        EaxReverbEchoDepth = 0x0010,
        ///<summary>Modulation Time controls the speed of the rate of periodic changes in pitch (vibrato). Range [0.04f .. 4.0f] Default: 0.25f</summary>
        EaxReverbModulationTime = 0x0011,
        ///<summary>Modulation Depth controls the amount of pitch change. Low values of Diffusion will contribute to reinforcing the perceived effect by reducing the mixing of overlapping reflections in the reverberation decay. Range [0.0f .. 1.0f] Default: 0.0f</summary>
        EaxReverbModulationDepth = 0x0012,
        ///<summary>The Air Absorption Gain HF property controls the distance-dependent attenuation at high frequencies caused by the propagation medium. It applies to reflected sound only. Range [0.892f .. 1.0f] Default: 0.994f</summary>
        EaxReverbAirAbsorptionGainHF = 0x0013,
        ///<summary>The property HF reference determines the frequency at which the high-frequency effects created by Reverb properties are measured. Unit: Hz Range [1000.0f .. 20000.0f] Default: 5000.0f</summary>
        EaxReverbHFReference = 0x0014,
        ///<summary>The property LF reference determines the frequency at which the low-frequency effects created by Reverb properties are measured. Unit: Hz Range [20.0f .. 1000.0f] Default: 250.0f</summary>
        EaxReverbLFReference = 0x0015,
        ///<summary>The Room Rolloff Factor property is one of two methods available to attenuate the reflected sound (containing both reflections and reverberation) according to source-listener distance. It's defined the same way as OpenAL Rolloff Factor, but operates on reverb sound instead of direct-path sound. Range [0.0f .. 10.0f] Default: 0.0f</summary>
        EaxReverbRoomRolloffFactor = 0x0016,
    }

    ///<summary>A list of valid Math.Vector3 Effect/GetEffect parameters</summary>
    public enum EfxEffect3f : int
    {
        /// <summary>Reverb Pan does for the Reverb what Reflections Pan does for the Reflections. Unit: Vector3 of length 0f to 1f Default: {0.0f, 0.0f, 0.0f}</summary>  
        EaxReverbLateReverbPan = 0x000E,
        /// <summary>This Vector3 controls the spatial distribution of the cluster of early reflections. The direction of this vector controls the global direction of the reflections, while its magnitude controls how focused the reflections are towards this direction. For legacy reasons this Vector3 follows a left-handed co-ordinate system! Note that OpenAL uses a right-handed coordinate system. Unit: Vector3 of length 0f to 1f Default: {0.0f, 0.0f, 0.0f}</summary>
        EaxReverbReflectionsPan = 0x000B,
    }

    ///<summary>A list of valid Int32 Effect/GetEffect parameters</summary>
    public enum EfxEffecti : int
    {
        ///<summary>This property sets the waveform shape of the low-frequency oscillator that controls the delay time of the delayed signals. Unit: (0) Sinusoid, (1) Triangle Range [0 .. 1] Default: 1</summary>
        ChorusWaveform = 0x0001,
        ///<summary>This property controls the phase difference between the left and right low-frequency oscillators. At zero degrees the two low-frequency oscillators are synchronized. Unit: Degrees Range [-180 .. 180] Default: 90</summary>
        ChorusPhase = 0x0002,

        ///<summary>Selects the shape of the low-frequency oscillator waveform that controls the amount of the delay of the sampled signal. Unit: (0) Sinusoid, (1) Triangle Range [0 .. 1] Default: 1</summary>
        FlangerWaveform = 0x0001,
        ///<summary>This changes the phase difference between the left and right low-frequency oscillator's. At zero degrees the two low-frequency oscillators are synchronized. Range [-180 .. +180] Default: 0</summary>
        FlangerPhase = 0x0002,

        ///<summary>These select which internal signals are added together to produce the output. Unit: (0) Down, (1) Up, (2) Off Range [0 .. 2] Default: 0</summary>
        FrequencyShifterLeftDirection = 0x0002,
        ///<summary>These select which internal signals are added together to produce the output. Unit: (0) Down, (1) Up, (2) Off Range [0 .. 2] Default: 0</summary>
        FrequencyShifterRightDirection = 0x0003,

        ///<summary>Sets the vocal morpher 4-band formant filter A, used to impose vocal tract effects upon the input signal. The vocal morpher is not necessarily intended for use on voice signals; it is primarily intended for pitched noise effects, vocal-like wind effects, etc. Unit: Use enum EfxFormantFilterSettings Range [0 .. 29] Default: 0, "Phoneme A"</summary>
        VocalMorpherPhonemeA = 0x0001,
        ///<summary>This is used to adjust the pitch of phoneme filter A in 1-semitone increments. Unit: Semitones Range [-24 .. +24] Default: 0</summary>
        VocalMorpherPhonemeACoarseTuning = 0x0002,
        ///<summary>Sets the vocal morpher 4-band formant filter B, used to impose vocal tract effects upon the input signal. The vocal morpher is not necessarily intended for use on voice signals; it is primarily intended for pitched noise effects, vocal-like wind effects, etc. Unit: Use enum EfxFormantFilterSettings Range [0 .. 29] Default: 10, "Phoneme ER"</summary>
        VocalMorpherPhonemeB = 0x0003,
        ///<summary>This is used to adjust the pitch of phoneme filter B in 1-semitone increments. Unit: Semitones Range [-24 .. +24] Default: 0</summary>
        VocalMorpherPhonemeBCoarseTuning = 0x0004,
        ///<summary>This controls the shape of the low-frequency oscillator used to morph between the two phoneme filters. Unit: (0) Sinusoid, (1) Triangle, (2) Sawtooth Range [0 .. 2] Default: 0</summary>
        VocalMorpherWaveform = 0x0005,

        ///<summary>This sets the number of semitones by which the pitch is shifted. There are 12 semitones per octave. Unit: Semitones Range [-12 .. +12] Default: +12</summary>
        PitchShifterCoarseTune = 0x0001,
        ///<summary>This sets the number of cents between Semitones a pitch is shifted. A Cent is 1/100th of a Semitone. Unit: Cents Range [-50 .. +50] Default: 0</summary>
        PitchShifterFineTune = 0x0002,

        ///<summary>This controls which waveform is used as the carrier signal. Traditional ring modulator and tremolo effects generally use a sinusoidal carrier. Unit: (0) Sinusoid, (1) Sawtooth, (2) Square Range [0 .. 2] Default: 0</summary>
        RingModulatorWaveform = 0x0003,

        ///<summary>Enabling this will result in audio exhibiting smaller variation in intensity between the loudest and quietest portions. Unit: (0) Off, (1) On Range [0 .. 1] Default: 1</summary>
        CompressorOnoff = 0x0001,

        ///<summary>When this flag is set, the high-frequency decay time automatically stays below a limit value that's derived from the setting of the property Air Absorption HF. Unit: (0) False, (1) True Range [False, True] Default: True</summary>
        ReverbDecayHFLimit = 0x000D,

        ///<summary>When this flag is set, the high-frequency decay time automatically stays below a limit value that's derived from the setting of the property AirAbsorptionGainHF. Unit: (0) False, (1) True Range [False, True] Default: True</summary>
        EaxReverbDecayHFLimit = 0x0017,

        /// <summary>Used with the enum EfxEffectType as it's parameter.</summary>
        EffectType = 0x8001,
    }

    ///<summary>Vocal morpher effect parameters. If both parameters are set to the same phoneme, that determines the filtering effect that will be heard. If these two parameters are set to different phonemes, the filtering effect will morph between the two settings at a rate specified by EfxEffectf.VocalMorpherRate.</summary>
    public enum EfxFormantFilterSettings : int
    {
        VocalMorpherPhonemeA = 0,
        VocalMorpherPhonemeE = 1,
        VocalMorpherPhonemeI = 2,
        VocalMorpherPhonemeO = 3,
        VocalMorpherPhonemeU = 4,
        VocalMorpherPhonemeAA = 5,
        VocalMorpherPhonemeAE = 6,
        VocalMorpherPhonemeAH = 7,
        VocalMorpherPhonemeAO = 8,
        VocalMorpherPhonemeEH = 9,
        VocalMorpherPhonemeER = 10,
        VocalMorpherPhonemeIH = 11,
        VocalMorpherPhonemeIY = 12,
        VocalMorpherPhonemeUH = 13,
        VocalMorpherPhonemeUW = 14,
        VocalMorpherPhonemeB = 15,
        VocalMorpherPhonemeD = 16,
        VocalMorpherPhonemeF = 17,
        VocalMorpherPhonemeG = 18,
        VocalMorpherPhonemeJ = 19,
        VocalMorpherPhonemeK = 20,
        VocalMorpherPhonemeL = 21,
        VocalMorpherPhonemeM = 22,
        VocalMorpherPhonemeN = 23,
        VocalMorpherPhonemeP = 24,
        VocalMorpherPhonemeR = 25,
        VocalMorpherPhonemeS = 26,
        VocalMorpherPhonemeT = 27,
        VocalMorpherPhonemeV = 28,
        VocalMorpherPhonemeZ = 29,
    }

    ///<summary>Effect type definitions to be used with EfxEffecti.EffectType.</summary>  
    public enum EfxEffectType : int
    {
        ///<summary>No Effect, disable. This Effect type is used when an Effect object is initially created.</summary>
        Null = 0x0000,
        ///<summary>The Reverb effect is the standard Effects Extension's environmental reverberation effect. It is available on all Generic Software and Generic Hardware devices.</summary>
        Reverb = 0x0001,
        ///<summary>The Chorus effect essentially replays the input audio accompanied by another slightly delayed version of the signal, creating a "doubling" effect.</summary>
        Chorus = 0x0002,
        ///<summary>The Distortion effect simulates turning up (overdriving) the gain stage on a guitar amplifier or adding a distortion pedal to an instrument's output.</summary>
        Distortion = 0x0003,
        ///<summary>The Echo effect generates discrete, delayed instances of the input signal.</summary>
        Echo = 0x0004,
        ///<summary>The Flanger effect creates a "tearing" or "whooshing" sound, like a jet flying overhead.</summary>
        Flanger = 0x0005,
        ///<summary>The Frequency shifter is a single-sideband modulator, which translates all the component frequencies of the input signal by an equal amount.</summary>
        FrequencyShifter = 0x0006,
        ///<summary>The Vocal morpher consists of a pair of 4-band formant filters, used to impose vocal tract effects upon the input signal.</summary>
        VocalMorpher = 0x0007,
        ///<summary>The Pitch shifter applies time-invariant pitch shifting to the input signal, over a one octave range and controllable at a semi-tone and cent resolution.</summary>
        PitchShifter = 0x0008,
        ///<summary>The Ring modulator multiplies an input signal by a carrier signal in the time domain, resulting in tremolo or inharmonic effects.</summary>
        RingModulator = 0x0009,
        ///<summary>The Auto-wah effect emulates the sound of a wah-wah pedal used with an electric guitar, or a mute on a brass instrument.</summary>
        Autowah = 0x000A,
        ///<summary>The Compressor will boost quieter portions of the audio, while louder portions will stay the same or may even be reduced.</summary>
        Compressor = 0x000B,
        ///<summary>The Equalizer is very flexible, providing tonal control over four different adjustable frequency ranges.</summary>
        Equalizer = 0x000C,
        ///<summary>The EAX Reverb has a more advanced parameter set than EfxEffectType.Reverb, but is only natively supported on devices that support the EAX 3.0 or above.</summary>
        EaxReverb = 0x8000,
    }

    #endregion Effect

    #region Auxiliary Effect Slot

    ///<summary>A list of valid Int32 AuxiliaryEffectSlot/GetAuxiliaryEffectSlot parameters</summary>
    public enum EfxAuxiliaryi : int
    {
        /// <summary>This property is used to attach an Effect object to the Auxiliary Effect Slot object. After the attachment, the Auxiliary Effect Slot object will contain the effect type and have the same effect parameters that were stored in the Effect object. Any Sources feeding the Auxiliary Effect Slot will immediate feed the new effect type and new effect parameters.</summary>
        EffectslotEffect = 0x0001,

        /// <summary>This property is used to enable or disable automatic send adjustments based on the physical positions of the sources and the listener. This property should be enabled when an application wishes to use a reverb effect to simulate the environment surrounding a listener or a collection of Sources. Range [False, True] Default: True </summary>
        EffectslotAuxiliarySendAuto = 0x0003,
    }

    ///<summary>A list of valid 32-bits Float AuxiliaryEffectSlot/GetAuxiliaryEffectSlot parameters</summary>
    public enum EfxAuxiliaryf : int
    {
        /// <summary>This property is used to specify an output level for the Auxiliary Effect Slot. Setting the gain to 0.0f mutes the output. Range [0.0f .. 1.0f] Default: 1.0f</summary>
        EffectslotGain = 0x0002,
    }

    #endregion Auxiliary Effect Slot

    #region Filter Object

    ///<summary>A list of valid 32-bits Float Filter/GetFilter parameters</summary>
    public enum EfxFilterf : int
    {
        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        LowpassGain = 0x0001,
        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        LowpassGainHF = 0x0002,

        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        HighpassGain = 0x0001,
        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        HighpassGainLF = 0x0002,

        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        BandpassGain = 0x0001,
        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        BandpassGainLF = 0x0002,
        ///<summary>Range [0.0f .. 1.0f] Default: 1.0f</summary>
        BandpassGainHF = 0x0003,
    }

    ///<summary>A list of valid Int32 Filter/GetFilter parameters</summary>
    public enum EfxFilteri : int
    {
        /// <summary>Used with the enum EfxFilterType as Parameter to select a filter logic.</summary>
        FilterType = 0x8001,
    }

    ///<summary>Filter type definitions to be used with EfxFilteri.FilterType.</summary>
    public enum EfxFilterType : int
    {
        ///<summary>No Filter, disable. This Filter type is used when a Filter object is initially created.</summary>
        Null = 0x0000,
        /// <summary>A low-pass filter is used to remove high frequency content from a signal.</summary>
        Lowpass = 0x0001,
        ///<summary>Currently not implemented. A high-pass filter is used to remove low frequency content from a signal.</summary>
        Highpass = 0x0002,
        ///<summary>Currently not implemented. A band-pass filter is used to remove high and low frequency content from a signal.</summary>
        Bandpass = 0x0003,
    }

    #endregion Filter Object
}
