Analysis

Module: Audio / Audio Definitions / Acoustics

ANALYSIS.

Classes

	Name
struct	MLAudioSpectralAnalysis

Types

	Name
typedef struct MLAudioSpectralAnalysis	MLAudioSpectralAnalysis

Enums

	Name
enum	MLAudioTraitAnalysisTarget { MLAudioTraitAnalysisTarget_AmbientSoundLevelDbfs, MLAudioTraitAnalysisTarget_UserVoicePresence, MLAudioTraitAnalysisTarget_UserVoiceLevelDbfs, MLAudioTraitAnalysisTarget_UserVoicePitch, MLAudioTraitAnalysisTarget_Ensure32Bits = 0x7FFFFFFF }
enum	MLAudioSpectralAnalysisTarget { MLAudioSpectralAnalysisTarget_UserVoiceSpectrumMfcc, MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumBark, MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumMel, MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumThirdOctave, MLAudioSpectralAnalysisTarget_Ensure32Bits = 0x7FFFFFFF }

Enums Documentation

MLAudioTraitAnalysisTarget

Enumerator	Value	Description
MLAudioTraitAnalysisTarget_AmbientSoundLevelDbfs		Ambient Sound Level dBFS, a full scale sound level measurement of an ambient mic stream.
MLAudioTraitAnalysisTarget_UserVoicePresence		Voice Presence, indicates absence (0) or presence (1) of voice in a voice mic stream.
MLAudioTraitAnalysisTarget_UserVoiceLevelDbfs		Voice Level dBFS, a full scale sound level measurement of a voice mic stream.
MLAudioTraitAnalysisTarget_UserVoicePitch		Voice Pitch, frequency in hertz of the voice in a voice mic stream.
MLAudioTraitAnalysisTarget_Ensure32Bits	0x7FFFFFFF	Ensure enum is represented as 32 bits.

Available trait analyses of an audio stream.

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MLAudioSpectralAnalysisTarget

Enumerator	Value	Description
MLAudioSpectralAnalysisTarget_UserVoiceSpectrumMfcc		Voice Mel Frequency Cepstral Coefficients (MFCC), spectral analysis of a voice mic stream. (typically used for lip-sync).
MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumBark		Ambient Sound Spectrum Bark Scale, spectral analysis of ambient mic stream(s) using Bark scale.
MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumMel		Ambient Sound Spectrum Mel Scale, spectral analysis of ambient mic stream(s) using Mel scale.
MLAudioSpectralAnalysisTarget_AmbientSoundSpectrumThirdOctave		Ambient Sound Spectrum Third Octave Scale, spectral analysis of ambient mic stream(s) using a 1/3 octave scale.
MLAudioSpectralAnalysisTarget_Ensure32Bits	0x7FFFFFFF	Ensure enum is represented as 32 bits.

Available frequency spectrum analyses of an audio stream.

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Types Documentation

MLAudioSpectralAnalysis

typedef struct MLAudioSpectralAnalysis MLAudioSpectralAnalysis;

A representation of frequency spectrum energy over a window of time.

More Info

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