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Heads-up: Files larger than 25 MB are automatically chunked. We try Web Audio first for fidelity, then fall back to byte chunking. Supported formats: MP3, WAV, M4A, FLAC, OGG, WebM.

Tip: For giant recordings (>100 MB), compress first: ffmpeg -i input.mp3 -ar 16000 -ac 1 -b:a 32k output.mp3

Configuration

Default 300s (5 min). Shorter chunks shrink uploads; use 120–300s for monster files.

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