AI in Real-Time Captioning for the Deaf Quiz

Answers and explanations appear as you take the quiz.

1. What core technology converts live speech into on-screen text?
   • Automatic speech recognition (ASR)
   • Optical character recognition (OCR)
   • Text-to-speech (TTS)
   • Global positioning (GPS)
2. What distinguishes CART captioning from automatic speech-recognition captions?
   • It requires no human input
   • A trained human captioner uses stenotype, a computer, and realtime software
   • It translates every caption into another language automatically
   • It is a word-error-rate formula
3. Why can words in a streaming caption change before an utterance is finalized?
   • The caption file has become an image
   • A speaker label always changes the language
   • The recognizer can emit intermediate hypotheses that change as more audio is processed
   • The final transcript is guaranteed to contain no errors
4. What metric is commonly used to measure captioning accuracy?
   • Frames per second
   • Decibels
   • Pixels per inch
   • Word Error Rate (WER)
5. What does speaker diarization add to a live transcription workflow?
   • Labels that distinguish speech from different speakers, without verifying their real-world identities
   • Automatic translation into every language
   • A guarantee of correct word recognition
   • A replacement for microphone audio
6. What caption capability did Meta describe for Ray-Ban Display glasses?
   • Guaranteeing perfect recognition in noisy rooms
   • Displaying captions for speech directed at the wearer
   • Replacing caption standards for every video
   • Automatically identifying every speaker in a meeting
7. What do captions for accessibility often include besides spoken dialogue?
   • Only the video title
   • A guarantee of perfect transcription
   • Relevant non-speech audio information such as sound effects or speaker cues
   • The model’s confidence score only
8. Which caption file format does W3C identify as the most common on the web?
   • CSV
   • PNG
   • MP3
   • WebVTT