30 Questions
What is the main reason behind the name 'Phase Alternating Line' for chroma signals?
To improve picture quality
Why is SECAM known as 'Sequential Color with Memory'?
Due to its sequential color transmission
What is the aspect ratio of the SECAM analog video broadcast standard?
4:3
What is the resolution of SECAM in terms of lines per frame?
625
What is the function of the chrominance signal in color television?
Carries the color information
Why are color standards like SECAM designed to be compatible with monochrome television receivers?
To ensure seamless transition for viewers
What is the function of codecs in multimedia applications?
Convert audio and video data into smaller packages
What is the purpose of key frames in video compression?
Serve as baseline frames for quality comparison
Which component affects the playback system's maximum rate?
CPU, hard drive, and display card speed
What does higher fps rate than the maximum system rate result in?
Jerky motion due to frame dropping
Which video compressor is best for converting analog video into digital format?
Microsoft Video 1 codec
What type of images is Microsoft RLE codec commonly used for compressing?
Animation and computer generated images
What is the main difference between old TV receivers and color receivers?
Old TV receivers only display the luminance, while color receivers process both luminance and color signals.
Which organization is responsible for maintaining the DVB standards for digital television?
Digital Video Broadcasting Project (DVB)
What is a key advantage of Digital Video Broadcasting (DVB) in terms of copying?
Every copy made with DVB is identical to the original.
What resolution is classified as 'High definition' in Digital Television (DTV)?
1920 × 1080, 16:9, progressive and interlaced
Which coding standard was selected for audio and video data in Digital Video Broadcast?
MPEG-2
What is the main feature of Multichannel Microwave Distribution Systems (MMDS) in data distribution?
Suitability for distributing data to households
What is the frame aspect ratio for high definition specifications?
16:9
Which pixel dimension is associated with the HDV format?
1280 x 720
What is the color sampling method used in high definition HDV format?
4:2:0
What does 'i' stand for in 1080 / 60 i?
Interlaced
What is the frame height of a standard definition DV wide-screen (16:9) frame?
720 pixels
Which factor determines the data rate for video data only in high definition?
Resolution
What is the minimum frame rate needed to achieve the illusion of a moving image?
15 frames per second
Which standard is applicable to frequencies below 10 GHz?
ETSI 749
What is the measure of the rate of information content in a video stream?
Bit rate
Which type of compression has quality issues associated with it?
Lossy compression
Which type of video has a higher quality bit rate compared to VideoCD?
HDV
Which technology is the specification based on for frequencies below 10 GHz?
DVB-C technology
Learn about ETSI standards for MMDS at frequencies above 10 GHz, including DVBMS specifications applicable to frequencies below 10 GHz based on DVB-C technology. Explore digital video features like frame rate, which measures the number of frames per second in a video.
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