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.

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

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To use this node in KNIME, install the extension KNIME Audio Processing from the below update site following our NodePit Product and Node Installation Guide:

v5.3

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.3.0.v202403010949

On NodePit since: 2024-07-09

Last update: 2024-11-15

Tags: Streamable

KNIME versions: Since v3.6

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