Support Forums › Forums › FIR Designer Support › Harmonic distortion files import bug › Reply To: Harmonic distortion files import bug

    Alex_R
    3 August 2025 at 10:37 pm #1136

    Hi! Glad to hear! It is an SPL versus frequency graph, the only difference is a missing phase column. Other programs imports them like an usual response measurements but with a flat zero phase (Rephase, LSPCad for example).