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    Audio

    [audio]
    enable_overdrive     = false  # allow volume sliders above 100% (up to 150%)
    enable_sounds        = false  # master toggle for UI sounds
    sound_volume         = 0.5    # global sound volume (0.0 - 1.0)
    sound_theme          = "freedesktop"
    • enable_overdrive = false clamps Control Center output/microphone sliders to 100%; true allows up to 150%.
    • enable_sounds = false disables all UI sound playback.
    • sound_volume controls all UI sounds. A value of 1.0 plays the source at unity gain; lower values follow a perceptual volume curve. Files are decoded through libsndfile; common supported formats include WAV, FLAC, Ogg/Vorbis, Opus, MP3, and AIFF. Exact format support depends on the distribution’s libsndfile build.
    • sound_theme selects an installed sound theme. Themes inherit from their declared parents and fall back to freedesktop; shell sounds are loaded from each theme’s stereo directory.
    Section titled “Related IPC”

    For output and microphone commands, default steps, mute behavior, and overdrive limits, see: