CMS CMS Audio and Video Production 1 — Questions and Answers
Question 1: Which video compression standard is most widely used for streaming multimedia content on the web?
- H.264 (AVC) (Correct answer)
- DivX
- MPEG-1
- RealVideo
Correct answer: H.264 (AVC)
H.264 (AVC) is the industry-standard codec for web streaming due to its efficient compression and broad device compatibility.
Question 2: What is the standard frame rate for broadcast television in the United States?
- 24 fps
- 25 fps
- 29.97 fps (Correct answer)
- 60 fps
Correct answer: 29.97 fps
U.S. broadcast television uses 29.97 fps (NTSC standard), which evolved from the 30 fps rate adjusted for color signal compatibility.
Question 3: Which audio file format provides lossless compression for high-quality music production?
- MP3
- AAC
- FLAC (Correct answer)
- OGG
Correct answer: FLAC
FLAC (Free Lossless Audio Codec) compresses audio without any quality loss, making it ideal for professional audio archiving.
Question 4: What does 'bitrate' refer to in audio and video production?
- The number of color channels in a video
- The amount of data processed per second (Correct answer)
- The resolution of the video frame
- The number of audio tracks in a file
Correct answer: The amount of data processed per second
Bitrate measures the amount of data (in bits) processed or transmitted per second, directly affecting quality and file size.
Question 5: Which color space is standard for video production intended for web and screen display?
- CMYK
- sRGB
- Rec. 709 (Correct answer)
- Adobe RGB
Correct answer: Rec. 709
Rec. 709 is the ITU standard color space for HD video production, ensuring consistent color representation across displays.
Question 6: What is the purpose of a 'key light' in a three-point lighting setup for video production?
- To eliminate shadows entirely
- To serve as the primary light source illuminating the subject (Correct answer)
- To provide background illumination
- To color-correct the scene
Correct answer: To serve as the primary light source illuminating the subject
The key light is the main, dominant light source in a three-point setup and primarily shapes the subject's appearance and shadows.
CMS CMS Audio and Video Production 1
Which video compression standard is most widely used for streaming multimedia content on the web?