Audio Plugin

npm install -g @mediaproc/cli

# macOS
brew install ffmpeg

# Ubuntu/Debian
sudo apt install ffmpeg

# Windows
choco install ffmpeg

# Convert format
mediaproc audio convert song.mp3 --format flac

# Extract from video
mediaproc audio extract video.mp4 --format mp3

# Normalize loudness
mediaproc audio normalize podcast.mp3 --loudness -16

# Trim segment
mediaproc audio trim song.mp3 --start 30 --duration 60

# Merge files
mediaproc audio merge track1.mp3 track2.mp3 --crossfade 2

# Normalize episode loudness for streaming platforms
mediaproc audio normalize episode.mp3 --loudness -16

# Extract highlight clip with fades
mediaproc audio trim episode.mp3 --start 15:30 --duration 120 --fade-in 1 --fade-out 2

# Assemble episode from segments
mediaproc audio merge intro.mp3 interview.mp3 outro.mp3 --crossfade 1 -o episode-final.mp3

# Convert high-quality master to distribution format
mediaproc audio convert master.flac --format mp3 --quality max

# Extract chorus for social media
mediaproc audio trim song.mp3 --start 90 --duration 30 --fade-in 0.5 --fade-out 1

# Create album with crossfades
mediaproc audio merge track*.mp3 --crossfade 2.5 --gapless -o album.mp3

# Extract audio from video for editing
mediaproc audio extract interview.mp4 --format wav

# Normalize for YouTube upload
mediaproc audio normalize video-audio.mp3 --loudness -13

# Create teaser clip
mediaproc audio trim full-episode.mp3 --duration 60 --fade-out 3 -o teaser.mp3

# Normalize to broadcast standard (EBU R128)
mediaproc audio normalize program.mp3 --loudness -23 --true-peak -1

# Convert to broadcast format
mediaproc audio convert source.mp3 --format wav --sample-rate 48000

# Trim and fade for air
mediaproc audio trim spot.mp3 --start 0 --duration 30 --fade-in 0.5 --fade-out 0.5

# Low (mobile): 64-96 kbps
mediaproc audio convert podcast.wav --format mp3 --quality low

# Medium (streaming): 96-128 kbps
mediaproc audio convert podcast.wav --format aac --quality medium

# High (archival): 128-192 kbps
mediaproc audio convert podcast.wav --format mp3 --quality high

# Medium quality: 192 kbps
mediaproc audio convert song.flac --format mp3 --quality medium

# High quality: 256 kbps
mediaproc audio convert song.flac --format mp3 --quality high

# Maximum quality: 320 kbps
mediaproc audio convert song.flac --format mp3 --quality max

# Spotify: -14 LUFS
mediaproc audio normalize song.mp3 --loudness -14

# YouTube: -13 LUFS
mediaproc audio normalize video-audio.mp3 --loudness -13

# Apple Music/iTunes: -16 LUFS
mediaproc audio normalize track.mp3 --loudness -16

# Broadcast (EBU R128): -23 LUFS
mediaproc audio normalize program.mp3 --loudness -23

# Podcast: -14 to -16 LUFS
mediaproc audio normalize podcast.mp3 --loudness -16

# Instant trim (no re-encoding)
mediaproc audio trim song.mp3 --start 30 --duration 60 --fast

# Extract audio without re-encoding
mediaproc audio extract video.mp4 --fast

# Convert all files in directory
mediaproc audio convert *.mp3 --format flac -o ./converted/

# Normalize all podcast episodes
mediaproc audio normalize episode*.mp3 --loudness -16 -o ./normalized/

# Trim multiple recordings to same length
mediaproc audio trim recording*.mp3 --start 0 --duration 300 -o ./clips/

import { exec } from "child_process";
import { promisify } from "util";

const execAsync = promisify(exec);

async function normalizeAudio(input) {
  const { stdout, stderr } = await execAsync(
    `mediaproc audio normalize ${input} --loudness -16`,
  );

  console.log("Normalized:", stdout);
}

import subprocess

def convert_audio(input_file, output_format):
    result = subprocess.run([
        'mediaproc', 'audio', 'convert', input_file,
        '--format', output_format
    ], capture_output=True, text=True)

    print(f'Converted: {result.stdout}')

#!/bin/bash

# Batch normalize podcast episodes
for episode in episodes/*.mp3; do
  mediaproc audio normalize "$episode" --loudness -16
  echo "Normalized: $episode"
done

# Create teaser clips
for full in full-episodes/*.mp3; do
  basename=$(basename "$full" .mp3)
  mediaproc audio trim "$full" --duration 60 --fade-out 3 -o "teasers/${basename}-teaser.mp3"
done

# Check if FFmpeg is installed
ffmpeg -version

# Install if missing:
# macOS: brew install ffmpeg
# Ubuntu: sudo apt install ffmpeg
# Windows: choco install ffmpeg

# Check file permissions
ls -l audio.mp3

# Fix if needed
chmod 644 audio.mp3

# Check file format
mediaproc audio convert unknown.xyz --format mp3
# Error: Unsupported format: xyz

# Use supported formats (mp3, aac, opus, ogg, flac, wav)

# Custom sample rate
mediaproc audio convert input.mp3 --format flac --sample-rate 96000

# Custom bitrate
mediaproc audio convert input.flac --format mp3 --bitrate 256k

# Mono conversion
mediaproc audio convert stereo.mp3 --channels 1

# Metadata (title, artist, album) copied automatically
mediaproc audio convert song.mp3 --format flac

# Verify metadata
mediaproc audio info song-converted.flac

npm install -g @mediaproc/cli
mediaproc audio convert song.mp3 --format flac