# android.media.audiofx Added in[API level 9](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) # android.media.audiofx *** ** * ** *** [Kotlin](https://developer.android.com/reference/kotlin/android/media/audiofx/package-summary "View this page in Kotlin")\|Java Provides classes that manage audio effects implemented in the media framework. ## Interfaces |--------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [AudioEffect.OnControlStatusChangeListener](https://developer.android.com/reference/android/media/audiofx/AudioEffect.OnControlStatusChangeListener) | The OnControlStatusChangeListener interface defines a method called by the AudioEffect when control of the effect engine is gained or lost by the application | | [AudioEffect.OnEnableStatusChangeListener](https://developer.android.com/reference/android/media/audiofx/AudioEffect.OnEnableStatusChangeListener) | The OnEnableStatusChangeListener interface defines a method called by the AudioEffect when the enabled state of the effect engine was changed by the controlling application. | | [BassBoost.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/BassBoost.OnParameterChangeListener) | The OnParameterChangeListener interface defines a method called by the BassBoost when a parameter value has changed. | | [EnvironmentalReverb.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb.OnParameterChangeListener) | The OnParameterChangeListener interface defines a method called by the EnvironmentalReverb when a parameter value has changed. | | [Equalizer.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/Equalizer.OnParameterChangeListener) | The OnParameterChangeListener interface defines a method called by the Equalizer when a parameter value has changed. | | [PresetReverb.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/PresetReverb.OnParameterChangeListener) | The OnParameterChangeListener interface defines a method called by the PresetReverb when a parameter value has changed. | | [Virtualizer.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/Virtualizer.OnParameterChangeListener) | The OnParameterChangeListener interface defines a method called by the Virtualizer when a parameter value has changed. | | [Visualizer.OnDataCaptureListener](https://developer.android.com/reference/android/media/audiofx/Visualizer.OnDataCaptureListener) | The OnDataCaptureListener interface defines methods called by the Visualizer to periodically update the audio visualization capture. | ## Classes |--------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [AcousticEchoCanceler](https://developer.android.com/reference/android/media/audiofx/AcousticEchoCanceler) | Acoustic Echo Canceler (AEC). | | [AudioEffect](https://developer.android.com/reference/android/media/audiofx/AudioEffect) | AudioEffect is the base class for controlling audio effects provided by the android audio framework. | | [AudioEffect.Descriptor](https://developer.android.com/reference/android/media/audiofx/AudioEffect.Descriptor) | The effect descriptor contains information on a particular effect implemented in the audio framework: - type: UUID identifying the effect type. | | [AutomaticGainControl](https://developer.android.com/reference/android/media/audiofx/AutomaticGainControl) | Automatic Gain Control (AGC). | | [BassBoost](https://developer.android.com/reference/android/media/audiofx/BassBoost) | Bass boost is an audio effect to boost or amplify low frequencies of the sound. | | [BassBoost.Settings](https://developer.android.com/reference/android/media/audiofx/BassBoost.Settings) | The Settings class regroups all bass boost parameters. | | [DynamicsProcessing](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing) | DynamicsProcessing is an audio effect for equalizing and changing dynamic range properties of the sound. | | [DynamicsProcessing.BandBase](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.BandBase) | Base class for bands | | [DynamicsProcessing.BandStage](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.BandStage) | Base class for stages that hold bands | | [DynamicsProcessing.Channel](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Channel) | Class for Channel configuration parameters. | | [DynamicsProcessing.Config](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Config) | Class for Config object, used by DynamicsProcessing to configure and update the audio effect. | | [DynamicsProcessing.Config.Builder](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Config.Builder) | | | [DynamicsProcessing.Eq](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Eq) | Class for Equalizer stage | | [DynamicsProcessing.EqBand](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.EqBand) | Class for Equalizer Bands Equalizer bands have three controllable parameters: enabled/disabled, cutoffFrequency and gain | | [DynamicsProcessing.Limiter](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Limiter) | Class for Limiter Stage Limiter is a single band compressor at the end of the processing chain, commonly used to protect the signal from overloading and distortion. | | [DynamicsProcessing.Mbc](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Mbc) | Class for Multi-Band Compressor (MBC) stage | | [DynamicsProcessing.MbcBand](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.MbcBand) | Class for Multi-Band compressor bands MBC bands have multiple controllable parameters: enabled/disabled, cutoffFrequency, attackTime, releaseTime, ratio, threshold, kneeWidth, noiseGateThreshold, expanderRatio, preGain and postGain. | | [DynamicsProcessing.Stage](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Stage) | base class for the different stages. | | [EnvironmentalReverb](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb) | A sound generated within a room travels in many directions. | | [EnvironmentalReverb.Settings](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb.Settings) | The Settings class regroups all environmental reverb parameters. | | [Equalizer](https://developer.android.com/reference/android/media/audiofx/Equalizer) | An Equalizer is used to alter the frequency response of a particular music source or of the main output mix. | | [Equalizer.Settings](https://developer.android.com/reference/android/media/audiofx/Equalizer.Settings) | The Settings class regroups all equalizer parameters. | | [HapticGenerator](https://developer.android.com/reference/android/media/audiofx/HapticGenerator) | Haptic Generator(HG). | | [LoudnessEnhancer](https://developer.android.com/reference/android/media/audiofx/LoudnessEnhancer) | LoudnessEnhancer is an audio effect for increasing audio loudness. | | [NoiseSuppressor](https://developer.android.com/reference/android/media/audiofx/NoiseSuppressor) | Noise Suppressor (NS). | | [PresetReverb](https://developer.android.com/reference/android/media/audiofx/PresetReverb) | A sound generated within a room travels in many directions. | | [PresetReverb.Settings](https://developer.android.com/reference/android/media/audiofx/PresetReverb.Settings) | The Settings class regroups all preset reverb parameters. | | [Virtualizer](https://developer.android.com/reference/android/media/audiofx/Virtualizer) | *This class was deprecated in API level 35. use the[Spatializer](https://developer.android.com/reference/android/media/Spatializer)class to query the capabilities of the platform with regards to spatialization, a different name for audio channel virtualization, and the[AudioAttributes.Builder.setSpatializationBehavior(int)](https://developer.android.com/reference/android/media/AudioAttributes.Builder#setSpatializationBehavior(int))to characterize how you want your content to be played when spatialization is supported.* | | [Virtualizer.Settings](https://developer.android.com/reference/android/media/audiofx/Virtualizer.Settings) | The Settings class regroups all virtualizer parameters. | | [Visualizer](https://developer.android.com/reference/android/media/audiofx/Visualizer) | The Visualizer class enables application to retrieve part of the currently playing audio for visualization purpose. | | [Visualizer.MeasurementPeakRms](https://developer.android.com/reference/android/media/audiofx/Visualizer.MeasurementPeakRms) | A class to store peak and RMS values. | - ## Interfaces - [AudioEffect.OnControlStatusChangeListener](https://developer.android.com/reference/android/media/audiofx/AudioEffect.OnControlStatusChangeListener) - [AudioEffect.OnEnableStatusChangeListener](https://developer.android.com/reference/android/media/audiofx/AudioEffect.OnEnableStatusChangeListener) - [BassBoost.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/BassBoost.OnParameterChangeListener) - [EnvironmentalReverb.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb.OnParameterChangeListener) - [Equalizer.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/Equalizer.OnParameterChangeListener) - [PresetReverb.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/PresetReverb.OnParameterChangeListener) - [Virtualizer.OnParameterChangeListener](https://developer.android.com/reference/android/media/audiofx/Virtualizer.OnParameterChangeListener) - [Visualizer.OnDataCaptureListener](https://developer.android.com/reference/android/media/audiofx/Visualizer.OnDataCaptureListener) - ## Classes - [AcousticEchoCanceler](https://developer.android.com/reference/android/media/audiofx/AcousticEchoCanceler) - [AudioEffect](https://developer.android.com/reference/android/media/audiofx/AudioEffect) - [AudioEffect.Descriptor](https://developer.android.com/reference/android/media/audiofx/AudioEffect.Descriptor) - [AutomaticGainControl](https://developer.android.com/reference/android/media/audiofx/AutomaticGainControl) - [BassBoost](https://developer.android.com/reference/android/media/audiofx/BassBoost) - [BassBoost.Settings](https://developer.android.com/reference/android/media/audiofx/BassBoost.Settings) - [DynamicsProcessing](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing) - [DynamicsProcessing.BandBase](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.BandBase) - [DynamicsProcessing.BandStage](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.BandStage) - [DynamicsProcessing.Channel](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Channel) - [DynamicsProcessing.Config](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Config) - [DynamicsProcessing.Config.Builder](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Config.Builder) - [DynamicsProcessing.Eq](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Eq) - [DynamicsProcessing.EqBand](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.EqBand) - [DynamicsProcessing.Limiter](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Limiter) - [DynamicsProcessing.Mbc](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Mbc) - [DynamicsProcessing.MbcBand](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.MbcBand) - [DynamicsProcessing.Stage](https://developer.android.com/reference/android/media/audiofx/DynamicsProcessing.Stage) - [EnvironmentalReverb](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb) - [EnvironmentalReverb.Settings](https://developer.android.com/reference/android/media/audiofx/EnvironmentalReverb.Settings) - [Equalizer](https://developer.android.com/reference/android/media/audiofx/Equalizer) - [Equalizer.Settings](https://developer.android.com/reference/android/media/audiofx/Equalizer.Settings) - [HapticGenerator](https://developer.android.com/reference/android/media/audiofx/HapticGenerator) - [LoudnessEnhancer](https://developer.android.com/reference/android/media/audiofx/LoudnessEnhancer) - [NoiseSuppressor](https://developer.android.com/reference/android/media/audiofx/NoiseSuppressor) - [PresetReverb](https://developer.android.com/reference/android/media/audiofx/PresetReverb) - [PresetReverb.Settings](https://developer.android.com/reference/android/media/audiofx/PresetReverb.Settings) - [Virtualizer](https://developer.android.com/reference/android/media/audiofx/Virtualizer) - [Virtualizer.Settings](https://developer.android.com/reference/android/media/audiofx/Virtualizer.Settings) - [Visualizer](https://developer.android.com/reference/android/media/audiofx/Visualizer) - [Visualizer.MeasurementPeakRms](https://developer.android.com/reference/android/media/audiofx/Visualizer.MeasurementPeakRms)