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iso226

The iso226 object generates a list of 29 decibel (dB) values across a frequency range, corresponding to equal-loudness contours. It takes a 'phon' value as input and outputs the dB levels required to perceive the same loudness at different frequencies, based on the ISO 226 standard. This is useful for psychoacoustic modeling and dynamic equalization.

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  • Download here.

    Open Pd and go to ToolsFind Externals. Search for pd-psycho and install it. Then create an object with declare -lib pd-psycho -path pd-psycho. Finally, use iso226 or any other object from pd-psycho.

  • Library developed mainly by Alexandre Porres.
  • Report Bugs/Errors here!
  • Available for .

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