2-2. TV Signal Formats

Standard Comparison Table

Signal Format

Analog

Digital

SD/ED

HD

 

 

Active Lines

480

480

720 or 1080

 

 

 

 

Sound

Stereo (2 ch)

Dolby Digital® (5.1 ch)

Dolby Digital (5.1 ch)

MPEG Audio (2 ch)

 

 

 

 

 

 

 

 

Aspect Ratio

4 : 3

4 : 3 or 16 : 9

16 : 9

 

 

 

 

Resolution

720 x 480

640 x 480

1280 x 720

704 x 480

1920 x 1080

 

 

The digital TV standards allow several different formats. Broadcasters can choose between four formats:

480p - The picture is 704 x 480 pixels, sent at 60 complete frames per second (480i is also possible, sent at 60 interlaced frames per second).

720p - The picture is 1280 x 720 pixels, sent at 60 complete frames per second.

1080i - The picture is 1920 x 1080 pixels, sent at 60 interlaced frames per second (30 complete frames per second).

(The “p” and “i” designations stand for “progressive” and “interlaced.” In a progressive for- mat, the full picture updates every sixtieth of a second. In an interlaced format, half of the pic- ture updates every sixtieth of a second.)

The 480i format is called SD. 480p format is called the ED format. 480i is roughly equivalent to a normal analog TV picture. The 720p and 1080i formats are called the HD formats.

Some analog televisions can display a picture 720 pixels wide by 480 pixels high, that’s a total of 345,600 pixels. HD digital signals can have a maximum resolution of 1920 x 1080, that’s 2,073,600 pixels, or six times more pixels than the older resolution. Pictures will be crisper and cleaner, with more detail in every close-up and every panorama.

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LG Electronics LSS-3200A owner manual TV Signal Formats, Signal Format Analog Digital

LSS-3200A specifications

The LG Electronics LSS-3200A is a state-of-the-art home appliance that combines advanced technology with practical functionality, designed to elevate the user experience in modern households. As part of LG's commitment to innovation and design, the LSS-3200A stands out with its sleek aesthetics and robust performance.

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