Anibon Local Audio Transcription

Overview & Triggers

Use when YouTube has no subtitles or auto-captions for the target video.

1. Audio Extraction

Download audio stream directly as mono 16kHz 16-bit PCM WAV (avoids temporary files and >4GB WAV header overflow on long 8h+ streams):

# Direct single-pass extraction via yt-dlp + ffmpeg:
yt-dlp -f ba -x --audio-format wav --postprocessor-args "ExtractAudio:-ar 16000 -ac 1 -c:a pcm_s16le" -o "audio_16k.%(ext)s" "VIDEO_URL"