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Overview

yt-dlp can extract audio from videos and convert it to your preferred format. This requires ffmpeg and ffprobe to be installed on your system.

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Basic Audio Extraction

The simplest way to extract audio is using the -x flag: 
yt-dlp -x "https://www.youtube.com/watch?v=BaW_jenozKc"
By default, audio is extracted in the best available format. yt-dlp will choose the optimal format automatically.

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Specify Audio Format

1

Choose your format

Select from supported formats: mp3, aac, flac, m4a, opus, vorbis, wav, alac, or best.
2

Extract with format conversion

yt-dlp -x --audio-format mp3 URL
3

Set quality level

# Quality 0 (best) to 10 (worst) for VBR
yt-dlp -x --audio-format mp3 --audio-quality 0 URL

# Or specify bitrate directly
yt-dlp -x --audio-format mp3 --audio-quality 320K URL

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Audio Format Examples

# High quality MP3
yt-dlp -x --audio-format mp3 --audio-quality 0 URL

# Standard quality MP3 (192K)
yt-dlp -x --audio-format mp3 --audio-quality 192K URL

# Using preset alias
yt-dlp -t mp3 URL

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Advanced Audio Extraction

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Extract without re-encoding

If the source already has the desired audio codec, avoid re-encoding to maintain quality: 
# Download best audio-only format without conversion
yt-dlp -f 'ba' URL

# Prefer specific codec
yt-dlp -f 'ba[acodec^=opus]/ba[acodec^=mp4a]/ba' URL

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Multiple audio quality rules

Convert based on source format: 
# Similar to --remux-video syntax
yt-dlp -x --audio-format "opus>mp3/best" URL
This will:
  • Convert opus to mp3
  • Keep other formats in their best available quality

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Audio-Only Downloads

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Best audio quality

# Best quality from YouTube Music
yt-dlp -f 'ba' "https://music.youtube.com/watch?v=..."

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Extract Audio from Playlists

Download and extract audio from entire playlists: 
# Extract MP3 from all videos in playlist
yt-dlp -x --audio-format mp3 \
  -o "%(playlist)s/%(playlist_index)s - %(title)s.%(ext)s" \
  PLAYLIST_URL

# Skip already downloaded
yt-dlp -x --audio-format mp3 \
  --download-archive downloaded.txt \
  PLAYLIST_URL

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Embed Metadata and Artwork

Metadata embedding requires either mutagen (Python package) or ffmpeg to be installed.
1

Basic metadata embedding

yt-dlp -x --audio-format mp3 \
  --embed-metadata \
  --embed-thumbnail \
  URL
2

Custom metadata

# Parse artist from title
yt-dlp -x --audio-format mp3 \
  --parse-metadata "title:%(artist)s - %(title)s" \
  --embed-metadata \
  URL
3

Complete music file

yt-dlp -x --audio-format mp3 --audio-quality 0 \
  --embed-metadata \
  --embed-thumbnail \
  --parse-metadata "%(uploader|)s:%(meta_artist)s" \
  -o "%(artist,uploader)s - %(title)s.%(ext)s" \
  URL

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Audio Processing Options

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Normalize audio

Use ffmpeg postprocessor arguments: 
yt-dlp -x --audio-format mp3 \
  --ppa "ffmpeg:-af loudnorm" \
  URL

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Split by chapters

Extract each chapter as separate audio file: 
yt-dlp -x --audio-format mp3 \
  --split-chapters \
  -o "chapter:%(title)s - %(section_number)s %(section_title)s.%(ext)s" \
  URL

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Remove sponsor segments

Combine with SponsorBlock to remove ads/sponsors: 
yt-dlp -x --audio-format mp3 \
  --sponsorblock-remove sponsor,selfpromo \
  URL

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Preset Aliases for Audio

yt-dlp includes convenient presets: 
# Equivalent to: -f 'ba[acodec^=mp3]/ba/b' -x --audio-format mp3
yt-dlp -t mp3 URL

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Organizing Audio Downloads

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Music library structure

yt-dlp -x --audio-format mp3 \
  -o "%(uploader)s/%(album,playlist)s/%(track_number)s - %(title)s.%(ext)s" \
  --embed-metadata \
  --embed-thumbnail \
  PLAYLIST_URL

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By date

yt-dlp -x --audio-format mp3 \
  -o "%(upload_date>%Y)s/%(upload_date>%m)s/%(title)s.%(ext)s" \
  URL

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Python API Example

Extract audio programmatically: 
import yt_dlp

URLs = ['https://www.youtube.com/watch?v=BaW_jenozKc']

ydl_opts = {
    'format': 'm4a/bestaudio/best',
    'postprocessors': [{
        'key': 'FFmpegExtractAudio',
        'preferredcodec': 'm4a',
    }]
}

with yt_dlp.YoutubeDL(ydl_opts) as ydl:
    ydl.download(URLs)

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Troubleshooting

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ffmpeg not found

Audio extraction requires ffmpeg. Install it from ffmpeg.org or use your package manager.
# Check if ffmpeg is installed
ffmpeg -version

# Specify ffmpeg location if needed
yt-dlp -x --ffmpeg-location /path/to/ffmpeg URL

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Quality loss during conversion

# Download best audio without re-encoding
yt-dlp -f 'ba' URL

# If conversion needed, use highest quality
yt-dlp -x --audio-format mp3 --audio-quality 0 URL

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Thumbnail not embedding

# Install mutagen for better thumbnail support
pip install mutagen

# Or use AtomicParsley for MP4/M4A
yt-dlp -x --audio-format m4a --embed-thumbnail URL

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Next Steps

Post-Processing

Advanced post-processing options

Metadata Modification

Customize metadata in audio files

Playlists

Extract audio from entire playlists

Format Selection

Advanced audio format selection