ffx

quickly apply audio effects using ffmpeg

to install, run command 'chmod +x ffx.sh' in same directory as ffx.sh

example usage

bass boost    ffx.sh bass song.mp3 10 1 song2.mp3

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supports mp3, wav, flac, ogg, opus, m4a, aac, and mka

features
-bass, treble, volume, distortion
-trim audio
-tempo change with pitch preserving
-pitch change


usages
  ffbass   INPUT PERCENT [FINE_DB] [OUTPUT]
  fftreble INPUT PERCENT [FINE_DB] [OUTPUT]

    33 = 16.5 dB (half of 33 dB)
    66 = 33 dB
    100 = 50 dB
    FINE_DB is added/subtracted afterward.

  ffvolume  INPUT DB [OUTPUT]
  ffdistort INPUT [DRIVE_0_TO_10] [OUTPUT]
  fftrim    INPUT START_SECONDS [END_SECONDS] [OUTPUT]
  fftempo   INPUT SPEED_0.125_TO_8 [OUTPUT]       # preserves pitch
  ffpitch   INPUT SEMITONES_-36_TO_36 [OUTPUT]    # preserves duration

Defaults:
  Output uses the source extension and a unique suffix.
  Use an explicit filename ending in .mp3 for MP3 output.

Examples:
  ffbass "audio.mp3" 33 2
  ffbass "song.wav" 33 2 "bass.mp3"
  fftreble "song.flac" 66 -4 "treble.flac"
  ffvolume "song.mp3" -3
  ffdistort "song.wav" 4 "distorted.mp3"
  fftrim "song.mp3" 12.5 48 "clip.mp3"
  fftempo "song.mp3" 0.5 "slow.mp3"
  ffpitch "song.mp3" -3 "lower.mp3"