Acoustic Feature Extractor

Extracts Acoustic features from an audio cell. This node is based on the JAudio library.

Options

Audio Column
The column that contains the audio.
Chunk Size (samples)
The size of a chunk, where the selected features will then be computed in each chunk.
Chunk Overlap (%)
The percentage of overlapping between the chunks.
Aggregation Method
The methods to aggregate the values of the features.
Derivatives
Compute the first and/or second derivative of the features. The formula is based on the delta coefficients calculation denoted here.

Features

Select Features
The list of the supported features. A description for each feature can be found in the dialog, or on the JAudio page.

Input Ports

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Table with audio column

Output Ports

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Audio table with acoustic features

Views

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Workflows

Further Links

Developers

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