CBC Broadcast & Media Technology — Questions and Answers
Question 1: Which technology is commonly used for real-time broadcast captioning?
- Speech-to-text AI only
- Stenography machines (Correct answer)
- Handwritten transcription
- Video editing software
Correct answer: Stenography machines
Stenography machines are widely used for real-time captioning, converting speech to text quickly and accurately.
Question 2: What is a primary challenge of automated speech recognition (ASR) in captioning?
- It is too fast for live broadcasts
- It struggles with accents and background noise (Correct answer)
- It requires manual input at all times
- It cannot be used for prerecorded content
Correct answer: It struggles with accents and background noise
ASR struggles with recognizing accents, background noise, and overlapping speech, leading to decreased accuracy in captions.
Question 3: Which captioning format is commonly used for television broadcasts?
- SRT
- VTT
- CEA-608/708 (Correct answer)
- TXT
Correct answer: CEA-608/708
CEA-608/708 are standardized captioning formats used in North American television broadcasts for closed captions.
Question 4: What is the primary function of an encoder in captioning?
- Translates captions into different languages
- Embeds captions into video streams (Correct answer)
- Edits captions for readability
- Adds voiceover to video content
Correct answer: Embeds captions into video streams
Encoders embed captions into video streams for live and prerecorded broadcasts, ensuring accessibility for viewers.
Question 5: Which file format is commonly used for online video captions?
- DOCX
- SRT (Correct answer)
- CSV
Correct answer: SRT
SRT (SubRip Subtitle) is a widely used caption file format for online video platforms, allowing timed captions.
Question 6: Why is caption synchronization important in broadcast media?
- It improves video resolution
- It ensures captions appear at the correct time (Correct answer)
- It reduces file size
- It makes captions easier to edit
Correct answer: It ensures captions appear at the correct time
Proper synchronization ensures captions appear at the right time, improving comprehension and accessibility for viewers.
CBC Broadcast & Media Technology
Which technology is commonly used for real-time broadcast captioning?