TechnicalPrimers

Linearity

Intermodulation in Audio Signals

John E. Johnson, Jr.November 6, 2025

Intermodulation (IM) in audio refers to the unwanted interaction between different frequencies in a signal, creating additional...

PrimersTechnical

JJ’s Now-and-Then Blog – DAC Linearity and Perceived Audio Detail

John E. Johnson, Jr.September 17, 2015

DACs have an electronic characteristic called "Linearity" which means how close the output follows the input. DACs with less linearity can sound more detailed, as long as they have good time domain performance.

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