[dvblast-devel] DVB-S2 modulators

Sun Apr 17 22:21:16 CEST 2016

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,
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
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>> 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
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>> https://mailman.videolan.org/listinfo/dvblast-devel
>>
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>
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