Generates a silent WAV (stereo, 44.1 kHz, 16-bit by default) matching the AUDIO format ComfyUI/LTX-2.3 expect, so a required AUDIO input can be satisfied via the stock LoadAudio node when no real audio is available — the same waveform the LTX Director produces internally. stdlib only (wave module); CLI flags for duration/rate/channels. Co-authored-by: Cristian Predut <cristian.predut@x.baconcph.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>