Broadcast-Clean an Audio File
Description
The standard broadcast chain: a high-pass to kill rumble, optional 60/120/180
Hz hum notches plus FFT denoise, a 4:1 compressor, loudness normalisation to
target_lufs, and short in/out fades.
Usage
broadcast_audio(input, output, dehum = TRUE, target_lufs = -14, fade = 0.06,
highpass = 80, overwrite = TRUE, dry_run = FALSE)
Arguments
input: Path to input audio (or A/V) file.output: Path for output file.dehum: Apply the 60/120/180 Hz hum notches + FFT denoise (default TRUE).target_lufs: Integrated loudness target in LUFS (default -14).fade: In/out fade length in seconds (default 0.06).highpass: High-pass corner frequency in Hz (default 80).overwrite: If TRUE (default), overwrite output file.dry_run: If TRUE, return the FFmpeg command without executing.
Value
Invisibly returns the output path. If dry_run, returns command string.
Examples
broadcast_audio("raw.wav", "clean.wav")
broadcast_audio("take.wav", "clean.wav", dehum = FALSE, target_lufs = -16)