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

whisperx/transcripts/service-mbrs-ntscrm-01840194-01840194.json

@@ -0,0 +1 @@
+{"segments": [{"start": 0.847, "end": 3.369, "text": " from the Library of Congress in Washington, D.C.", "words": [{"word": "from", "start": 0.847, "end": 1.007, "score": 0.795}, {"word": "the", "start": 1.027, "end": 1.107, "score": 0.832}, {"word": "Library", "start": 1.147, "end": 1.647, "score": 0.894}, {"word": "of", "start": 1.668, "end": 1.748, "score": 0.5}, {"word": "Congress", "start": 1.808, "end": 2.268, "score": 0.771}, {"word": "in", "start": 2.448, "end": 2.528, "score": 0.832}, {"word": "Washington,", "start": 2.568, "end": 3.088, "score": 0.869}, {"word": "D.C.", "start": 3.128, "end": 3.369, "score": 0.953}], "avg_logprob": -0.08811598557692307}, {"start": 35.875, "end": 47.583, "text": " We shall show you in this film typical examples of children who have been well brought up, the kind who grow up to be strong, healthy, and happy like these young folks.", "words": [{"word": "We", "start": 35.875, "end": 35.975, "score": 0.999}, {"word": "shall", "start": 36.016, 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40.819, "score": 0.938}, {"word": "the", "start": 41.499, "end": 41.599, "score": 0.665}, {"word": "kind", "start": 41.639, "end": 41.979, "score": 0.835}, {"word": "who", "start": 41.999, "end": 42.079, "score": 0.147}, {"word": "grow", "start": 42.139, "end": 42.38, "score": 0.699}, {"word": "up", "start": 42.42, "end": 42.5, "score": 0.956}, {"word": "to", "start": 42.52, "end": 42.7, "score": 0.404}, {"word": "be", "start": 42.72, "end": 42.88, "score": 0.83}, {"word": "strong,", "start": 42.9, "end": 43.4, "score": 0.659}, {"word": "healthy,", "start": 43.881, "end": 44.321, "score": 0.857}, {"word": "and", "start": 44.441, "end": 44.521, "score": 0.982}, {"word": "happy", "start": 44.581, "end": 44.941, "score": 0.986}, {"word": "like", "start": 45.382, "end": 45.582, "score": 0.888}, {"word": "these", "start": 45.662, "end": 45.942, "score": 0.704}, {"word": "young", "start": 46.002, "end": 46.262, "score": 0.663}, {"word": "folks.", "start": 46.302, "end": 47.583, "score": 0.617}], "avg_logprob": -0.06059027806752258}, {"start": 47.603, "end": 61.552, "text": "Sturdy growth, joyousness, contentment in life, and vigorous health for the children of today will build men and women of tomorrow with strength of body, nerve, and mind, and thus a better chance to get the most out of life.", "words": [{"word": "Sturdy", "start": 47.603, "end": 47.963, "score": 0.622}, {"word": "growth,", "start": 48.043, "end": 48.584, "score": 0.655}, {"word": "joyousness,", "start": 48.744, "end": 49.404, "score": 0.463}, {"word": "contentment", "start": 49.584, "end": 50.185, "score": 0.867}, {"word": "in", "start": 50.225, "end": 50.305, "score": 0.93}, {"word": "life,", "start": 50.365, "end": 50.645, "score": 0.935}, {"word": "and", "start": 50.725, "end": 50.825, "score": 0.805}, {"word": "vigorous", "start": 50.905, "end": 51.285, "score": 0.552}, {"word": "health", "start": 51.325, "end": 51.626, "score": 0.541}, {"word": "for", "start": 51.766, "end": 51.886, "score": 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0.993}, {"Line truncated