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specRolloff~

The specRolloff~ object calculates the spectral rolloff frequency of an audio signal, representing the frequency below which a specified percentage of the total spectral energy is concentrated. It serves as an audio descriptor, useful for real-time timbre identification. Users can customize parameters such as window size, energy concentration target, windowing function, and whether to use a power spectrum.

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  • Download via Deken.

    Open Pd and go to ToolsFind Externals. Search for timbreIDLib and install it. Then create an object with declare -lib timbreIDLib -path timbreIDLib. Finally, use specRolloff~ or any other object from timbreIDLib.

  • Library developed mainly by William Brent.
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  • Available for .

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