DVBDream will not detect all DVB-T Channels

Danger Mouse · Postby **Danger Mouse** » Tue Jan 09, 2007 10:48 am

Hi,

today I gave DVBDream a chance, and so far I'm impressed.
Nevertheless there is a small bug when do a manual channel-scan; it only allows a frequency in the following format: 730MHz, 530MHz (DVB-T). But in Germany there are channels which have a frequency like 192.5MHz. And that's the problem.
DVBDream only allows 191MHz, but not 191.5MHz.

Would be great, if this will be fixed in any further version.

Thanks,
DM

X05 · Postby **X05** » Tue Jan 09, 2007 11:29 am

Yes I know about this and will try and fix it.
I have two DVB-T cards on one it will lock with 191.0 but the other won't.

Danger Mouse · Postby **Danger Mouse** » Tue Jan 09, 2007 1:24 pm

Hi,

tx for the quick reply.

I did a workaround......I used the 530MHz channel and manually edited it.
In this case it was possible to enter 191500KHz.

cu
DM

Danger Mouse · Postby **Danger Mouse** » Tue Jan 16, 2007 12:49 am

Yes I know about this and will try and fix it.
I have two DVB-T cards on one it will lock with 191.0 but the other won't.

If you have an update, I'd happy to test it on my configuration....

tx
DM

daWsOn_s · Postby **daWsOn_s** » Wed Jan 17, 2007 7:05 am

Hi,

tx for the quick reply.

I did a workaround......I used the 530MHz channel and manually edited it.
In this case it was possible to enter 191500KHz.

cu
DM

I have the same problem, i have edited one channel but how can i scan it? It always found channel like 194, not 194.5

Danger Mouse · Postby **Danger Mouse** » Tue Jan 23, 2007 5:52 am

I have the same problem, i have edited one channel but how can i scan it? It always found channel like 194, not 194.5

Hi,

it only works for one of my USB-DVB-T dongles.
As X05 also indicated, the workaroung is depending on the HW you are using....

I think we have to wait until a fix will be released.

cu
DM

daWsOn_s · Postby **daWsOn_s** » Tue Mar 27, 2007 4:47 pm

Hi,

tx for the quick reply.

I did a workaround......I used the 530MHz channel and manually edited it.
In this case it was possible to enter 191500KHz.

cu
DM

but what exactly did you do?

manolito · Postby **manolito** » Thu Nov 01, 2007 7:38 pm

Is this problem solved with version 1.4?

I still only get DVB-T channels at even frequencies (177000, but not 177500) with a bandwidth of 8 MHz (not 7 MHz). I live in Berlin, Germany, and there are 7 DVB-T channels which DVB Dream v.1.4 does not find.

Cheers
manolito

FredB · Postby **FredB** » Thu Nov 01, 2007 8:01 pm

Try the new functionnality that permits to use a frequency offset with DVB-T devices.

Have a look at the bottom-right of device selection window in DD 1.4

manolito · Postby **manolito** » Fri Nov 02, 2007 5:22 am

Thanks FredB for the tip.

After some experimentation I did come up with a procedure to make the missing DVB-T channels available for DVBDream, but it is not really automatic. Here is the deal:

First you need a copy of the DVB-T Europe frequency list. Open the folder "dvbdream\Transponders" and open the file "4000.ini" in your editor. Under [SATTYPE] change the first line to "1 = 4002" and in the second line change the title to "DVB-T Europe 2". Save the file as "4002.ini".

Now start DVBDream and go to "Options -> Frequency List". Add the new "DVB-T Europe 2" file and under "Properties" set the bandwidth to 7Mhz.

Go to "Options -> Device", select the BDA Native device and set the offset to 500 (the dropdown list only contains 166 and 167, you have to enter 500 manually). Press "Start", then "OK".

Now open "Channels -> Scan" for a new scan. Remember to select the new "DVB-T Europe 2" frequency list before starting the scan process.

The missing channels should now be found. They appear as a new satellite under -40.2Â°W.

For every new found channel you now have to rightclick the channel, select "Channel Properties" and add the value 500 to the frequency (Example: The frequency entry for WDR 3 is 177000. Change the entry to 177500). Do this for all new channels and click "OK".

In the last step we have to reset the BDA device. Open "Options -> Device" again, select "BDA Native" and reset the offset to 0. Press "Start", then "OK"

That's it. I only did this for the video channels, for radio it should work the same way. Now I got 30 DVB-T video channels instead of only 23 here in Berlin. Cool...

Cheers
manolito

Postby **rel** » Fri Nov 02, 2007 6:50 am

Thanks FredB for the tip.

After some experimentation I did come up with a procedure to make the missing DVB-T channels available for DVBDream, but it is not really automatic.

ok , It will be automatic soon by lettting frequency lists to be in Khz.

manolito, can you send me the complete DVB-T INI file for Berlin ? (with the exact frequencies in Khz)

ilpippo · Postby **ilpippo** » Fri Nov 02, 2007 12:58 pm

Hello everybody,
I'm from Italy, but I guess that the frequencies should be just the same as in most of the other european countries...
I found the frequencies on this page (unfortunately is in italian): http://www.comune.bologna.it/iperbole/a ... belle2.htm

Based on that page I created a trasponder file for the VHF channels (which have 7 MHz bandwidth):

Code: Select all

[SATTYPE]

1=4002

2=DVB-T Europe - VHF



[DVB]

0=10

1=56000,H,6900000

2=64500,H,6900000

3=84500,H,6900000

4=177500,H,6900000

5=186000,H,6900000

6=194500,H,6900000

7=203500,H,6900000

8=212500,H,6900000

9=219500,H,6900000

10=226500,H,6900000

And here's a trasponder file for the remaining UHF channels (with 8 MHz bandwidth):

Code: Select all

[SATTYPE]

1=4003

2=DVB-T Europe - UHF



[DVB]

0=50

1=474000,H,6900000

2=482000,H,6900000

3=490000,H,6900000

4=498000,H,6900000

5=506000,H,6900000

6=514000,H,6900000

7=522000,H,6900000

8=530000,H,6900000

9=538000,H,6900000

10=546000,H,6900000

11=554000,H,6900000

12=562000,H,6900000

13=570000,H,6900000

14=578000,H,6900000

15=586000,H,6900000

16=594000,H,6900000

17=602000,H,6900000

18=610000,H,6900000

19=618000,H,6900000

20=626000,H,6900000

21=634000,H,6900000

22=643000,H,6900000

23=650000,H,6900000

24=658000,H,6900000

25=666000,H,6900000

26=674000,H,6900000

27=682000,H,6900000

28=690000,H,6900000

29=698000,H,6900000

30=706000,H,6900000

31=714000,H,6900000

32=722000,H,6900000

33=730000,H,6900000

34=738000,H,6900000

35=746000,H,6900000

36=754000,H,6900000

37=762000,H,6900000

38=770000,H,6900000

39=778000,H,6900000

40=786000,H,6900000

41=794000,H,6900000

42=802000,H,6900000

43=810000,H,6900000

44=818000,H,6900000

45=826000,H,6900000

46=834000,H,6900000

47=842000,H,6900000

48=850000,H,6900000

49=858000,H,6900000

50=866000,H,6900000

manolito · Postby **manolito** » Tue Nov 06, 2007 6:53 am

Version 1.4a does solve half of the problem:

The scanning process now detects the DVB-T channels at uneven frequencies like 177500, but only at one bandwidth at a time. This means that I still have to add two identical frequency list (just with a different name) and specify 8Mhz for the first list and 7Mhz for the second one.

Then I have to do two consecutive scans using these two frequency lists one after the other. I would call that "Semi-Automatic"

To make it fully automatic DVBDream would have to be able to scan using 7Mhz and 8Mhz bandwidths with one frequency list at the same time.

Cheers
manolito

Postby **rel** » Tue Nov 06, 2007 10:19 am

Version 1.4a does solve half of the problem:

The scanning process now detects the DVB-T channels at uneven frequencies like 177500, but only at one bandwidth at a time. This means that I still have to add two identical frequency list (just with a different name) and specify 8Mhz for the first list and 7Mhz for the second one.

Then I have to do two consecutive scans using these two frequency lists one after the other. I would call that "Semi-Automatic"

To make it fully automatic DVBDream would have to be able to scan using 7Mhz and 8Mhz bandwidths with one frequency list at the same time.

Cheers
manolito

It will be full automatic soon

needs time. Thanks for testing and reporting

merx · Postby **merx** » Mon Mar 10, 2008 6:53 pm

hello world, my first post here.
i live in Italy and i'm using DVBDream 1.4i with a "Pinnacle PCTV DVB-T Flash stick 280e" tuner.
(it's a BDA mod7700 based USB tuner. DVBDream says :version 2.0 interface 2.1)

Now, Pinnacle software was incredibly bad: it ALWAYS gave imperfect tuning and with ALL channels.
(with pinnacle software i never see 100% signal quality, so mpeg2 video is very "blocky")

Instead, dvbdream 1.4i works well: Always "100% quality". with ALL channels. No blockiness, no skipped frames.

BUT
i have problems with vhf channels (in particular 186 and 194,5 Mhz, 7Mhz BW, Horiz)
DVBDream does not see anything on these frequencies. While Pinnacle software finds (and can use) lots of channels there.

i did lots of scans, always with the same results.
i tried two different mod7700.sys driver versions (the latest 3.7.0.0.1 and the old 3.6.0.0)
any suggestion?

DVBDream will not detect all DVB-T Channels

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