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Encyclopedia > QAM Tuner
It has been suggested that this article or section be merged with Quadrature amplitude modulation. (Discuss)

QAM tuner is a feature found on many high-definition television (HDTV) sets that allows reception of high-definition video signal over digital cable (rather than over-the-air). It can likened to the cable equivalent of an ATSC tuner. Wikipedia does not have an article with this exact name. ... Quadrature amplitude modulation (QAM) is a modulation scheme which conveys data by changing (modulating) the amplitude of two carrier waves. ... It has been suggested that High Definition Video be merged into this article or section. ... High-definition video or HDTV generally refers to any video system of higher resolution than standard-definition (SD), i. ... Digital cable is a term for a type of cable digital television that delivers more channels than possible with analog cable by using digital video compression. ... Terrestrial television (also known as over-the-air or OTA) is the traditional method of television broadcast signal delivery, by radio waves transmitted through open space. ... Coaxial cable is often used to transmit cable television into the house. ... Advance Television Systems Committe (ATSC) tuner allows reception of over the air high definition digital television signals in North America and South Korea. ...


QAM in the name stands for Quadrature Amplitude Modulation, which is a method used to overlay a digital video stream onto a standard cable tv service. QAM is a TLA that may stand for: Quadrature amplitude modulation Quality Assurance Management (qam. ... Quadrature amplitude modulation (QAM) is a modulation scheme which conveys data by changing (modulating) the amplitude of two carrier waves. ...

Contents


Digital and Analog Television Standards

European standards:

  • PAL
  • SÉCAM

US/Canada standards:

  • NTSC
  • ATSC High Definition (Over-the-Air Digital HD from Antenna)
  • OTA (Over the Air) only. Does Not work with dScaler.
  • QAM Digital Cable TV (either encrypted or non-encrypted)

External links


 
 

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