[dvblast-devel] DVB-S2 modulators

Ibrahim Tachijian barhom at netsat.se
Thu May 5 00:03:03 CEST 2016 

Has anyone used actually used this:
https://www.datv-express.com/Purchase/ShowBoardInfo ?
300USD seems pretty cheap for a DVB-S modulator if it actually works!

Does anyone know of any other (cheap) testing DVB-S modulator? PCI-E or
stand alone, doesnt matter.


On Sun, Apr 17, 2016 at 10:21 PM Nuno Mota <mundumelga at gmail.com> wrote:

> G4GUO has a UDP to DATV connector also
> https://github.com/G4GUO/express_server
>
> Nuno Mota <mundumelga at gmail.com> escreveu no dia domingo, 17/04/2016 às
> 21:18:
>
>> This board can do DVB-S
>> https://www.datv-express.com/Purchase/ShowBoardInfo
>> But you will need to hack this https://github.com/G4GUO/datvexpress_gui to
>> be able to input the multicast stream.
>>
>> It's a very low cost compared with others. 300$ plus shipping
>>
>> FRANCISCO RUIZ <fjrr1 at msn.com> escreveu no dia domingo, 17/04/2016 às
>> 18:36:
>>
>>> Hello,
>>>
>>> I can do the test with 1 qam modulator MOTOROLA ip multicast mpst input.
>>>
>>> do you have the instruction to install the mptsd on ubuntu 15.04??
>>>
>>> regards
>>>
>>>
>>>
>>>
>>> *Ing. Francisco Ruizhttp://www.eltigre-catv.com
>>> <http://www.eltigre-catv.com>Mission Texas USAPhone: 1-956-8446356*
>>>
>>>
>>> ------------------------------
>>> From: barhom at netsat.se
>>> Date: Sun, 17 Apr 2016 01:36:02 +0000
>>> To: dvblast-devel at videolan.org
>>> Subject: Re: [dvblast-devel] DVB-S2 modulators
>>>
>>>
>>> You should be able to create a mpts using something like;
>>> https://github.com/gfto/mptsd
>>>
>>> This will take any UDP/RTP input (even http) and create a mpts. Georgi
>>> tested this with DVB-C modulators and that works fine so this should also
>>> work with DVB-S2 modulators that can take IP Input.
>>>
>>> Is there anyone out there that has a DVB-S2 modulator that can do IP
>>> INPUT that are willing to test?
>>>
>>>
>>>
>>> On Sun, Apr 17, 2016 at 3:07 AM Ahmed Ramze <ahmedramze at gmail.com>
>>> wrote:
>>>
>>> Hi again
>>>
>>> there is too many brands are support ip input or SDI or ASI like newtec
>>> ,or datacom , but its not support to mix all udp/ips into one frequency
>>> thats need licence and additional boards wich its too much expensive like
>>> newtec MD6xxx series modulator.
>>>
>>> the best solution its
>>>
>>> IP/UDP/RTP ===> IP mux ASI ====> DVB-S2 modultor ===> BUC/HPA sat (or
>>> directly to Reciver with out sat.)
>>>
>>> we already did this with MVDS by sending video over internet and
>>> re-broadcasting it again.
>>>
>>> Eng.Ahmed Ramze
>>> CEO
>>> HighSpeedTelecom.Net <http://highspeedtelecom.net>
>>> +961-76688533
>>> +964-7804445566
>>>
>>>
>>>
>>> On 17 Apr 2016, at 03:37, Ibrahim Tachijian <barhom at netsat.se> wrote:
>>>
>>> @Ahmed Ramze
>>> In my use case I cannot user RF to fiber. I must send the transponder in
>>> question using IP/UDP and convert it back to DVBS2.
>>>
>>> @Metin Olgun
>>> "IP Input Modulator" is exactly what Im looking for, but I havent found
>>> any that seem good yet.
>>> Im imaginig what Im looking for is something that is standalone where I
>>> can go to the webinterface and input the following details:
>>>
>>> 1. IP Input Multicast Address
>>> 2. Output DVB-S2 frequency + symbol rate + polarisation
>>>
>>> And then be good to go.
>>>
>>>
>>> On Sun, Apr 17, 2016 at 2:31 AM Metin Olgun <olgun.metin at gmail.com>
>>> wrote:
>>>
>>> I think there should be an IP input modulator.. Forex Newtec should have
>>> such a modulator.. But it is a professional one and costly solution. Your
>>> STB is only dvb-s? Cos there are IP STBs as well but if the requirement is
>>> to test dvb-s STBs then you certainly need a modulator, where modulator
>>> might not be enough.
>>>
>>> Sent from my iPhone
>>>
>>> On 16 Apr 2016, at 19:24, Ibrahim Tachijian <barhom at netsat.se> wrote:
>>>
>>> Here's a more detailed example of what I'm trying to do:
>>>
>>> 1. Use DVBLasts "-d" parameter to stream an entire transponder to an
>>> IPv4 address
>>> 2. Have some kind of DVB-S2 modulator device (either stand alone or
>>> pci-e) read this UDP/TS stream created by DVBLast and convert it back into
>>> DVB-S2.
>>>
>>> In case you want the reason behind doing this;
>>>
>>> Location A has a Satellite dish and a server with dvb-s2 tuner connected
>>> using dvblast
>>> Location B has no Satellite dish but requires a live-feed of one
>>> transponder for testing Set top boxes.
>>>
>>>
>>>
>>> On Sun, Apr 17, 2016 at 1:59 AM Ahmed Ramze <ahmedramze at gmail.com>
>>> wrote:
>>>
>>> Hello
>>>
>>> There is no Modulator with IP in all modulator come with ASI input its
>>> broadcast standards with DVB transport stream .
>>> the dektek the best experimental equipment but its too expensive
>>> comparing with other products.
>>>
>>> for your application you need IP to ASI converter/processor  then
>>> DVB-C/T/S any type.
>>>
>>> the price for IP to ASI depend on price the chines cost 1800-2500$ other
>>> modules up to 15,000$ depend on Number of  input IP and number output ASI
>>> ports and MUX function which its multiplex the IPs.
>>>
>>> any way if you want to buy modulator I have DVB-S with ASI input with
>>> variable symbol rate from 1000-45000 and there is DVB-S2 with variable
>>> symbol rate from 1000-27500.
>>> and we have 16 UDP/IP in with 4 ASI out with Multiplexer.
>>> contact me at this email or on info[at]HighSpeedTelecom[dot]net
>>>
>>> Ahmed.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Sun, Apr 17, 2016 at 2:44 AM, Ibrahim Tachijian <barhom at netsat.se>
>>> wrote:
>>>
>>> Hey,
>>>
>>> Can anyone recommend a DVB-S2 modulator, either stand alone or one that
>>> works in linux?
>>>
>>> I'm trying to achieve the following:
>>>
>>> 1. Use dvblast to send dvb-s2 channel to udp (done)
>>> 2. Save the stream using multicat to file on disk (done)
>>> 3. Stream the saved .ts file through a DVB-S2 modulator to be played
>>> back on a DVB-S2 STB decoder.
>>>
>>> Basically, I'm looking for IP->DVB-S2 modulator that can take either
>>> file or multicast input. And I would  prefer a device that has several
>>> modulators in one so that I can output 2,3 or 4 DVB-S2 transponders
>>> simultaneously.
>>>
>>> This product seems perfect on paper (Except that it is DVB-C and not
>>> DVB-S2):
>>> http://www.dektec.com/products/IP/DTE-3114/
>>>
>>> This seems fairly expensive and it only does 1 DVB-S2 output:
>>> http://www.dektec.com/products/PCIe/DTA-2107/
>>>
>>> This is completely new, looks cool, even does rack mount but is
>>> extremely expensive and does not run on linux:
>>> http://www.dektec.com/products/USB/DTU-315/
>>>
>>> I'm fine with testing no-name chinese branded modulators even if they
>>> are bulky rackmounted units.
>>>
>>> Does anyone have any experience with dvb-s2 modulators and can recommend
>>> one?
>>>
>>> Thanks,
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> dvblast-devel mailing list
>>> dvblast-devel at videolan.org
>>> https://mailman.videolan.org/listinfo/dvblast-devel
>>>
>>>
>>>
>>>
>>> --
>>> --
>>> Best Regards..
>>> --------------------------
>>> Eng.Ahmed Ramze
>>> CEO HighSpeedTelecom S.A.R.L  <http://www.HighSpeedTelecom.Net>
>>> IQ +9647901109967
>>> Leb +96176688533
>>> _______________________________________________
>>> dvblast-devel mailing list
>>> dvblast-devel at videolan.org
>>> https://mailman.videolan.org/listinfo/dvblast-devel
>>>
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