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Audio Processing

For other audio-specific settings, see Audio and Rate Control.

Setting Default Description
audio_gain none Apply a gain amount to the audio, in dB.
audio_normalize false Normalize audio to 0dB.
audio_pre_normalize false Normalize the audio before applying expansion or compression effects.
audio_post_normalize false Normalize the audio after applying expansion or compression effects.
audio_bass none Increase or decrease the amount of bass in the audio.
audio_treble none Increase or decrease the amount of treble in the audio.
audio_highpass none Apply a high-pass filter to the audio.
audio_lowpass none Apply a low-pass filter to the audio.
audio_compression_ratio none Compress the dynamic range of the audio.
audio_compression_threshold -20 Compress the dynamic range of the audio.
audio_expansion_ratio none Expand the dynamic range of the audio.
audio_expansion_threshold -35 Expand the dynamic range of the audio.
audio_fade none Apply fade-in and fade-out effects to the audio.
audio_fade_in none Apply a fade-in effect to the audio.
audio_fade_out none Apply a fade-out effect to the audio.
audio_karaoke_mode false Apply a karaoke effect to the audio.