FFmpeg Audio Filters Gallery

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Introduction

Welcome to add new effects with a Merge Request, or send email to vacingfangATqq.com

Note: Test on chrome only.

🎤 achorus

Name	Sample	Notes	Commands
origin		None	None
chorus output		make single voice to chorus	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "chorus=0.5:0.9:50\|60\|70:0.3\|0.22\|0.3:0.25\|0.4\|0.3:2\|2.3\|1.3" achorus_out_voice.wav

🔨 acrusher

Name	Sample	Notes	Commands
origin		None	None
crusher output		parameters' meaning is not so clear	./ffmpeg -i ./arnn_out.wav -filter_complex "acrusher=level_in=8:level_out=18:bits=8:mode=log:aa=1" acrusher_out.wav

🎙️ adeesser

Name	Sample	Notes	Commands
origin		None	None
ess output		output ess sound, not deessed sound	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "deesser=i=1:s=e[a];[a]aeval=val(ch)*10:c=same" adeesser_out_voice.wav
deessed output		deessed sound	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "deesser=i=1" adeesser_out_voice.wav

🔊 aecho

voice
Name	Sample	Notes	Commands
origin		None	None
indoor		indoor echo effect	./ffmpeg -i ./arnn_out.wav -filter_complex "aecho=0.8:0.9:40\|50\|70:0.4\|0.3\|0.2" echo_indoor_out.wav
mountains		mountains echo effect	./ffmpeg -i ./arnn_out.wav -filter_complex "aecho=0.8:0.9:500\|1000:0.2\|0.1" echo_mountain_out.wav

music
Name	Sample	Notes	Commands
origin		None	None
metal		metal music effect	./ffmpeg -i ~/audio_source/music.wav -filter_complex "aecho=0.8:0.88:8:0.8" echo_metal_out.wav

📊 aderivative/aintegral

Name	Sample	Notes	Commands
origin		None	None
derivative		can still hear the original voice	./ffmpeg -i ./arnn_out.wav -filter_complex "aderivative" aderivative_out.wav
integral		can still hear the original voice	./ffmpeg -i ./arnn_out.wav -filter_complex "aintegral[a];[a]aeval=val(ch)/30:c=same" aintegral_out.wav

🤖 afftfilt

Name	Sample	Notes	Commands
origin		None	None
robot effect		sounds like a robot talking	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "afftfilt=real='hypot(re,im)sin(0)':imag='hypot(re,im)cos(0)':win_size=512:overlap=0.75" fftfilt_robot_voice.wav
whisper effect		sounds like a whisper	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "afftfilt=real='hypot(re,im)cos((random(0)2-1)23.14)':imag='hypot(re,im)sin((random(1)2-1)23.14)':win_size=128:overlap=0.8" fftfilt_whisper_voice.wav

🎚️ afir

Name	Sample	Notes	Commands
origin		None	None
fir		None	None
reverb output		reverb test	./ffmpeg -i ~/audio_source/noisy_speech.wav -i ~/audio_source/music.wav -filter_complex "[0]apad=pad_len=441002[2];[2][1]afir=length=1:irfmt=mono:dry=10:wet=10[3];[3]atrim=start_sample=441002" afir_out_voice.wav

✖️ amultiply

Name	Sample	Notes	Commands
origin 1		None	None
origin 2		None	None
amultiply output		amultiply test	./ffmpeg -i ~/audio_source/noisy_speech.wav -i ~/audio_source/music.wav -filter_complex "amultiply[a];[a]aeval=val(ch)*40:c=same" amultiply_out_voice.wav

🔇 anlms

Name	Sample	Notes	Commands
origin		None	None
denoise output		Output signal's band is cutted.	./ffmpeg -i temp/noisy_speech.wav -af "asplit[a][b],[a]adelay=32S\|32S[a],[b][a]anlms=order=128:leakage=0.0005:mu=.5:out_mode=o" anlms.wav

🌊 aphaser

Name	Sample	Notes	Commands
origin		None	None
aphaser output		back ground noise makes me feel uncomfortable	./ffmpeg -i ~/audio_source/music.wav -filter_complex "aphaser=type=t:speed=2:decay=0.6" aphaser_out_music.wav

💓 apulsator

Name	Sample	Notes	Commands
origin		None	None
channel shift		channel shift test, panner?	./ffmpeg -i ~/audio_source/music.wav -filter_complex "apulsator=mode=sine:hz=0.5" apulsator_out_music.wav
origin		None	None
tremolo		tremolo test, not natural	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "apulsator=mode=sine:hz=3:width=0.1:offset_r=0" apulsator_out_voice.wav

⏪ areverse

Name	Sample	Notes	Commands
origin		None	None
reverse output		totally unrecognizable	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "areverse" areverse_out_voice.wav

🧠 arnndn

Name	Sample	Notes	Commands
origin		None	None
denoise output		None	./ffmpeg -i temp/noisy_speech.wav -af "arnndn=m=temp/mp.rnnn" arnn_out.wav

🎵 arubberband

Name	Sample	Notes	Commands
origin		None	None
pitch adjust		adjust pitch only, voice change	./ffmpeg -i ./arnn_out.wav -filter_complex "rubberband=pitch=1.5" rubber_out.wav
tempo adjust		adjust tempo only, file duration change	./ffmpeg -i ./arnn_out.wav -filter_complex "rubberband=tempo=1.5" rubber_out.wav

🎶 atremolo

Name	Sample	Notes	Commands
origin		None	None
tremolo output		sinusoidal amplitude modulation	./ffmpeg -i ~/audio_source/music.wav -filter_complex "tremolo=f=1:d=0.8" atremolo_out_music.wav

🎼 avibrato

Name	Sample	Notes	Commands
origin		None	None
vibrato output		sinusoidal phase modulation	./ffmpeg -i ~/audio_source/music.wav -filter_complex "vibrato=f=4" avibrato_out_music.wav

🔊 aloudnorm

Name	Sample	Notes	Commands
origin		None	None
loudnorm output		one pass loudnorm	./ffmpeg -i ~/audio_source/noisy_speech.wav -af loudnorm=I=-16:TP=-1.5:LRA=14 -ar 48k loudnorm_out_voice.wav

🎧 sofalizer

Name	Sample	Notes	Commands
origin		None	None
sofalizer output		1 channel to 2 channels	./ffmpeg -i ~/audio_source/noisy_speech.wav -filter_complex "sofalizer=sofa=temp/hrtf c_nh877.sofa:type=freq:radius=1" sofa_voice.wav
channels difference		2 channels are not the same	ffmpeg -i sofa_voice.wav -af "pan=mono\|c0

🎚️ superequalizer

Name	Sample	Notes	Commands
origin		None	None
EQ output		rock effect, imitate QQ Music EQ	./ffmpeg -i ~/share/resource/song_vocal.wav -af "superequalizer=1b=10:2b=10:3b=1:4b=5:5b=7:6b=5:7b=2:8b=3:9b=4:10b=5:11b=6:12b=7:13b=8:14b=8:15b=9:16b=9:17b=10:18b=10[a];[a]loudnorm=I=-16:TP=-1.5:LRA=14" -ar 48k eq_norm.wav