Difference between revisions of "Glossary of terms"
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| − | This is a table of commonly used | + | This is a table of commonly used three-letter acronyms (TLA),used by the ATV community. |
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| QPSK || Quadrature Phase Shift Keying || Commonly used digital modulation || https://en.wikipedia.org/wiki/Phase-shift_keying | | QPSK || Quadrature Phase Shift Keying || Commonly used digital modulation || https://en.wikipedia.org/wiki/Phase-shift_keying | ||
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| − | | Bit rate || ||Number of bits per second | + | | Bit rate || ||Number of bits per second of data - used in DATV to describe the video and audio bit rate before modulation||https://en.wikipedia.org/wiki/Bit_rate |
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| + | | Symbol rate || ||Used in DATV to describe the actual modulation rate after FEC || https://en.wikipedia.org/wiki/Symbol_rate | ||
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| + | | STB||Set top box || Typical stand alone satellite receiver designed for consumer use|| | ||
| + | |- | ||
| + | | FTA ||Free To Air || Describes a consumer set top box which is capable of receiving non encrypted signals - as opposed to a Sky STB which is not capable of receiving UK DATV signals|| | ||
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Latest revision as of 18:36, 8 October 2017
This is a table of commonly used three-letter acronyms (TLA),used by the ATV community.
| Term / TLA | Definition | comment | Link |
|---|---|---|---|
| QPSK | Quadrature Phase Shift Keying | Commonly used digital modulation | https://en.wikipedia.org/wiki/Phase-shift_keying |
| Bit rate | Number of bits per second of data - used in DATV to describe the video and audio bit rate before modulation | https://en.wikipedia.org/wiki/Bit_rate | |
| Symbol rate | Used in DATV to describe the actual modulation rate after FEC | https://en.wikipedia.org/wiki/Symbol_rate | |
| STB | Set top box | Typical stand alone satellite receiver designed for consumer use | |
| FTA | Free To Air | Describes a consumer set top box which is capable of receiving non encrypted signals - as opposed to a Sky STB which is not capable of receiving UK DATV signals |