Add whisperx transcription demo output for sample media

Ran on RTX 3090 against the extracted audio track from media-files/; confirms the whisperx + CUDA pipeline works end to end. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01SN15Vxn4svKuhYxFsVtMJf
2026-09-12 09:17:47 +00:00
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 # whisperx

 Speech-to-text demos using [WhisperX](https://github.com/m-bain/whisperX) — fast transcription with word-level timestamps and speaker diarization.
+
+## Demo run
+
+Ran on an RTX 3090 against `media-files/audio/service-mbrs-ntscrm-01840194-01840194.m4a`
+(audio track extracted from the sample video in `media-files/video/`):
+
+```
+whisperx media-files/audio/service-mbrs-ntscrm-01840194-01840194.m4a \
+  --model medium \
+  --output_dir whisperx/transcripts \
+  --output_format all \
+  --compute_type float16
+```
+
+Outputs (json/srt/tsv/txt/vtt) are in `whisperx/transcripts/`. Language auto-detected as English;
+sentence-level timestamps aligned via wav2vec2.