Dvb-s 2 - Club CDFreaks

*_chef_* · 27-10-2005

Hello,

anyone seen a DVB-S 2 receiver available yet?

**Seán** · 27-10-2005

From what I have read around, DVB-S 2 uses a different signal encoding method. The Current Satellite Digital TV encoding uses QPSK (Quadrature Phase-shift Keying), where as the new encoding method will use 16QAM (16 Quadrature Amplitude Modulation). This new encoding will mainly be targeted at 2-way satellite communication as it will potentially allow at least twice the data rate of existing systems for a given transonder, where as for TV transmission it will allow a capacity increase of about 30%.

I haven't come across any such satellite receivers, but then again chances are that there are few (if any) broadcasts using the new DVB-S 2 system.

The following article I came across gives a few details of DVB-S 2:
http://www.satexpo.it/en/news/fiera.php?c=9245

*_chef_* · 27-10-2005

Thanks, Seán, for the big info.

Yesterday 2 channels started via ASTRA 19.2 degrees east to transmit in DVB-S 2 (mpeg4, H.264). They are "ProSieben HD" and "Sat.1 HD" in german (the german versions, not those for Austria or Switzerland).
We can get a signal (approx. 51%) on that trp., but nothing more.

It's just impossible to receive them at all with the currently available hardware.
Premiere has set back the start of Premiere HD to December, hoping for the availibility of the DVB-S2 capable receivers then...

Interesting is, that the BBC is currently testing HDTV in mpeg2 and mpeg4 too.

chrome307 · 18-11-2005

Echostar 61.5W

(HDTV channels)

Gallery HD (12224/V/ 21500-2/3)

Rush HD (12224/V/ 21500-2/3)

Majestic HD (12224/V/ 21500-2/3)

WCBS-DT (12239/H/ 21500-2/3)

Rave HD (12253/V/ 21500-2/3)

Guy TV HD (12253/V/ 21500-2/3)

HD News (12253/V/ 21500-2/3)

Ultra HD (12282/V/ 21500-2/3)

Monsters HD (12282/V/ 21500-2/3)

Equator HD (12311/V/ 21500-2/3)

Animania HD (12311/V/ 21500-2/3)

No chance of picking this up in Europe

*_chef_* · 19-11-2005

Quote:

Originally Posted by chrome307

Echostar 61.5W

No chance of picking this up in Europe

Yup, that's the point. Beyond the reachable area...

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27-10-2005	#1
_chef_ CDFreaks Resident Join Date: Aug 2004 Location: @FX labs .de ...watching [Bender's.Game] [Tripping.The.Rift.The.Movie] Posts: 26,503	Dvb-s 2 Hello, anyone seen a DVB-S 2 receiver available yet? __________________ *'Things are now in motion that cannot be undone.' [Gandalf, LoTR]* Enable DMA with micrAp$0ft Enable DMA free at your will busTRACE => Upper/Lower Filters Util DevCon *HOW TO ... Delete the Upper & Lower Filters!* If you expect help then please start now by using the powerful SEARCH. ....................... sick of spam? Try free Spybot and Threatfire ..........................

27-10-2005	#2
Seán Administrator & Reviewer Join Date: Jun 2002 Location: Republic of Ireland (North West) Posts: 3,791	Re: Dvb-s 2 From what I have read around, DVB-S 2 uses a different signal encoding method. The Current Satellite Digital TV encoding uses QPSK (Quadrature Phase-shift Keying), where as the new encoding method will use 16QAM (16 Quadrature Amplitude Modulation). This new encoding will mainly be targeted at 2-way satellite communication as it will potentially allow at least twice the data rate of existing systems for a given transonder, where as for TV transmission it will allow a capacity increase of about 30%. I haven't come across any such satellite receivers, but then again chances are that there are few (if any) broadcasts using the new DVB-S 2 system. The following article I came across gives a few details of DVB-S 2: http://www.satexpo.it/en/news/fiera.php?c=9245

27-10-2005	#3
_chef_ CDFreaks Resident Join Date: Aug 2004 Location: @FX labs .de ...watching [Bender's.Game] [Tripping.The.Rift.The.Movie] Posts: 26,503	Re: Dvb-s 2 Thanks, Seán, for the big info. Yesterday 2 channels started via ASTRA 19.2 degrees east to transmit in DVB-S 2 (mpeg4, H.264). They are "ProSieben HD" and "Sat.1 HD" in german (the german versions, not those for Austria or Switzerland). We can get a signal (approx. 51%) on that trp., but nothing more. It's just impossible to receive them at all with the currently available hardware. Premiere has set back the start of Premiere HD to December, hoping for the availibility of the DVB-S2 capable receivers then... Interesting is, that the BBC is currently testing HDTV in mpeg2 and mpeg4 too. __________________ *'Things are now in motion that cannot be undone.' [Gandalf, LoTR]* Enable DMA with micrAp$0ft Enable DMA free at your will busTRACE => Upper/Lower Filters Util DevCon *HOW TO ... Delete the Upper & Lower Filters!* If you expect help then please start now by using the powerful SEARCH. ....................... sick of spam? Try free Spybot and Threatfire ..........................

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18-11-2005	#4
chrome307 CD Freaks Senior Member Join Date: Mar 2002 Location: United Kingdom Posts: 402	Re: Dvb-s 2 Echostar 61.5W (HDTV channels) Gallery HD (12224/V/ 21500-2/3) Rush HD (12224/V/ 21500-2/3) Majestic HD (12224/V/ 21500-2/3) WCBS-DT (12239/H/ 21500-2/3) Rave HD (12253/V/ 21500-2/3) Guy TV HD (12253/V/ 21500-2/3) HD News (12253/V/ 21500-2/3) Ultra HD (12282/V/ 21500-2/3) Monsters HD (12282/V/ 21500-2/3) Equator HD (12311/V/ 21500-2/3) Animania HD (12311/V/ 21500-2/3) No chance of picking this up in Europe