412 replies to this topic

[jpuigs]

sorry, it didn'r work as I tried to record in a limited size folder.

 

Here you have it:

 

https://www.dropbox....record.zip?dl=0

 

inside this .zip there are two files : 8A and 11B 

8A has 6 DAB and 1 DAB+ services

11B has 6 DAB services

Edited by jpuigs, 14 January 2018 - 01:35.

[jpuigs]

correct link

 

https://www.dropbox....record.zip?dl=0

[Matrix10]

@athoik

 

I notice another problem on this radio station

 

which for unknown reasons continuously sends black images/pic

 / tmp folder was full

 

I think this have to be prevented.

Attached Files

•  shot8.jpg   119.18KB   1 downloads
•  shot9.jpg   98.25KB   1 downloads

[Matrix10]

or is it a bug in the plugin or cmd line ??

after restart plugin i got the normal radio logo/pic

but now no files in /tmp

 

and i have this 

Attached Files

•  shot10.jpg   121.17KB   2 downloads
•  shot11.jpg   97.3KB   2 downloads

Edited by Matrix10, 14 January 2018 - 02:06.

[Rob van der Does]

There is not enough cpu power on mipsel to perform viterbi decoding.

Please feel free to provide an mipsel optimized viterbi algorithm.

Until then, just forget mipsel.

Ah, a pity; I just received my (cheap Chinese) stick and I only have mipsel boxes

[athoik]

or is it a bug in the plugin or cmd line ??
after restart plugin i got the normal radio logo/pic
but now no files in /tmp
 
and i have this

It's normal, once the picture displayed without issues, removed to keep /tmp space low https://github.com/s.../plugin.py#L474

[athoik]

sorry, it didn'r work as I tried to record in a limited size folder.
 
Here you have it:
 
https://www.dropbox....record.zip?dl=0
 
inside this .zip there are two files : 8A and 11B 
8A has 6 DAB and 1 DAB+ services
11B has 6 DAB services

 

correct link
 
https://www.dropbox....record.zip?dl=0

It seems that GStreamer cannot understand the format printed in output when dumping RAW mpeg2.
 

$ gst-typefind-1.0 /tmp/mp2
/tmp/mp2 - FAILED: Could not determine type of stream.
$ file /tmp/mp2
/tmp/mp2: MPEG ADTS, layer II, v1, 160 kbps, 48 kHz, Stereo
$ ffprobe -v error -show_format -show_streams  /tmp/mp2
/tmp/mp2: Invalid data found when processing input

Most probabably a "header"? is required before dumping the frame out.

https://github.com/J...r.cpp#L605-L608

If somebody knows how MPEG2 should be written in output in order to Gstreamer to recognized it, offer a patch.

So ouput to PCM seems the only option for DAB.

Edited by athoik, 14 January 2018 - 08:48.

[Matrix10]

after testing

something strange is just this station.

It usually starts audio and after half a minute or so

dump the next (my shot)

This station is 128 kbps.

(I do not have another radio station to compare)

 

Other 96kbps stations on the same DAB+ band (11C) work without any problems.

Does this relate to bitrates , I do not know.

Or something is wrong with the broadcast of this radio

Attached Files

•  shot9.jpg   118.23KB   3 downloads
•  shot10.jpg   87.93KB   3 downloads
•  shot11.jpg   96.71KB   3 downloads

Edited by Matrix10, 14 January 2018 - 11:44.

[Matrix10]

Again abt FAAD 

faad is working now display radio text and radio logo

but it is significantly slower when station dialing/change.

For audio quality I'm not sure what's better faad or pcm

[Matrix10]

For info @athoik

 

I have  sent Jan email about this error on NPO Radio 1.

[Matrix10]

Strange, today I do not have this crash on NPO Radio 1.

Today it works great with different  dia pictures.

Attached Files

•  shot1.jpg   124.83KB   2 downloads

[Pr2]

Hi,
 
Please find a full capture with dab2eti from belgian block 12B (226648000 Hz) which contain both DAB and DAB+.
What doesn't work with it is the pictures which are not displayed probably that they use something different than MOT.
 
From what I see with XPADXpert they are 11 DAB channels (audio) but we also have 11 non Audio channels, I wonder if they don't send the picture on this other channels, one per Audio channels.
 
The file size is 13,9 MB:
 
https://mega.nz/#!iB...jiutbkAmL5sHvp4
 
Pictures are properly displayed on a DAB/DAB+ radio with LCD.
 
Pr2

[Pr2]

Hi,

 

Sending the eit file into dablin_gtk shows this:

cat Belgium-12B-DAB_DAB_PLUS.eti | dablin_gtk
DABlin v1.7.0 - capital DAB experience
Plays a DAB/DAB+ audio service from a frame-aligned ETI-NI stream.
  https://github.com/Opendigitalradio/dablin

SDLOutput: using SDL version '2.0.4'
ETISource: reading from 'stdin'
FICDecoder: SubChId 19: start 776 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 20: start 782 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 21: start 788 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 11: start 794 CUs, size  60 CUs, PL EEP 3-A =  80 kBit/s
FICDecoder: SubChId 22: start 854 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SId 0x6951, SCIdS  1: service component label 'SLS La1 BXL'
FICDecoder: SId 0x6351: audio service (SubChId  1, DAB , primary)
FICDecoder: SId 0x6052: audio service (SubChId  2, DAB , primary)
FICDecoder: SId 0x6353: audio service (SubChId  3, DAB , primary)
FICDecoder: SId 0x6354: audio service (SubChId  4, DAB , primary)
FICDecoder: SId 0x6355: audio service (SubChId  5, DAB , primary)
FICDecoder: SId 0x6366: audio service (SubChId  6, DAB , primary)
FICDecoder: SId 0x6367: audio service (SubChId  7, DAB , primary)
FICDecoder: SId 0x6356: audio service (SubChId  8, DAB+, primary)
FICDecoder: SId 0x6357: audio service (SubChId  9, DAB+, primary)
FICDecoder: SId 0x6358: audio service (SubChId 10, DAB+, primary)
FICDecoder: SId 0x6951: audio service (SubChId 11, DAB+, primary)
FICDecoder: SubChId  1: start   0 CUs, size  84 CUs, PL UEP 4   = 128 kBit/s
FICDecoder: SubChId  2: start  84 CUs, size  84 CUs, PL UEP 4   = 128 kBit/s
FICDecoder: SubChId  3: start 168 CUs, size 116 CUs, PL UEP 4   = 192 kBit/s
FICDecoder: SubChId  4: start 284 CUs, size  84 CUs, PL UEP 4   = 128 kBit/s
FICDecoder: SubChId  5: start 368 CUs, size  84 CUs, PL UEP 4   = 128 kBit/s
FICDecoder: SubChId  6: start 452 CUs, size  48 CUs, PL UEP 3   =  64 kBit/s
FICDecoder: SubChId  7: start 500 CUs, size  48 CUs, PL UEP 3   =  64 kBit/s
FICDecoder: SubChId  8: start 548 CUs, size  60 CUs, PL EEP 3-A =  80 kBit/s
FICDecoder: SubChId  9: start 608 CUs, size  60 CUs, PL EEP 3-A =  80 kBit/s
FICDecoder: SubChId 10: start 668 CUs, size  60 CUs, PL EEP 3-A =  80 kBit/s
FICDecoder: SubChId 14: start 728 CUs, size  12 CUs, PL EEP 3-A =  16 kBit/s
FICDecoder: SubChId 13: start 740 CUs, size  12 CUs, PL EEP 3-A =  16 kBit/s
FICDecoder: SubChId 17: start 752 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 18: start 758 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 15: start 764 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SubChId 16: start 770 CUs, size   6 CUs, PL EEP 3-A =   8 kBit/s
FICDecoder: SId 0x6351, SCIdS  0: MSC service component (SubChId  1)
FICDecoder: SId 0x6052, SCIdS  0: MSC service component (SubChId  2)
FICDecoder: SId 0x6353, SCIdS  0: MSC service component (SubChId  3)
FICDecoder: SId 0x6354, SCIdS  0: MSC service component (SubChId  4)
FICDecoder: SId 0x6355, SCIdS  0: MSC service component (SubChId  5)
FICDecoder: SId 0x6366, SCIdS  0: MSC service component (SubChId  6)
FICDecoder: SId 0x6367, SCIdS  0: MSC service component (SubChId  7)
FICDecoder: SId 0x6356, SCIdS  0: MSC service component (SubChId  8)
FICDecoder: SId 0x6357, SCIdS  0: MSC service component (SubChId  9)
FICDecoder: SId 0x6358, SCIdS  0: MSC service component (SubChId 10)
FICDecoder: SId 0x6951, SCIdS  0: MSC service component (SubChId 11)
FICDecoder: SId 0x6356: programme service label 'Test Classic 21+'
FICDecoder: SId 0x6355, SCIdS  1: service component label 'SLS Pure DAB'
FICDecoder: SubChId  1: language 'French'
FICDecoder: SubChId  2: language 'French'
FICDecoder: SubChId  3: language 'French'
FICDecoder: SubChId  4: language 'French'
FICDecoder: SubChId  5: language 'French'
FICDecoder: SubChId  6: language 'French'
FICDecoder: SubChId  7: language 'French'
FICDecoder: SubChId  8: language 'French'
FICDecoder: SubChId  9: language 'French'
FICDecoder: SubChId 10: language 'French'
FICDecoder: SubChId 11: language 'French'
FICDecoder: SId 0x6358, SCIdS  1: service component label 'SLS Musiq3'
FICDecoder: SId 0x6354, SCIdS  1: service component label 'SLS C21 DAB'
FICDecoder: SId 0x6951: programme service label 'La 1ère BXL'
FICDecoder: SId 0x6052, SCIdS  1: service component label 'SLS VivaCite'
FICDecoder: SId 0x6357: programme service label 'TARMAC'
FICDecoder: SId 0x6355: programme service label 'Pure'
FICDecoder: SId 0x6351, SCIdS  1: service component label 'SLS La 1ère'
FICDecoder: SId 0x6356, SCIdS  1: service component label 'SLS Classic 21'
FICDecoder: SId 0x6351: programme service label 'La 1ère Wallonie'
FICDecoder: SId 0x6353, SCIdS  1: service component label 'SLS M3 DAB'
FICDecoder: SId 0x6366: programme service label 'BRF 1'
FICDecoder: SId 0x6354: programme service label 'Classic 21'
FICDecoder: EId 0x6005: ensemble label 'RTBF DAB'
FICDecoder: SId 0x6367: programme service label 'BRF 2'
FICDecoder: SId 0x6358: programme service label 'Test Musiq3 +'
FICDecoder: SId 0x6052: programme service label 'VivaCité'
FICDecoder: SId 0x6353: programme service label 'Musiq3'
FICDecoder: SId 0x6357, SCIdS  1: service component label 'SLS Tarmac'
ETIPlayer: playing sub-channel 4 (DAB)
MP2Decoder: using decoder 'AVX'.
ETIPlayer: format: MPEG 1.0 Layer II, 48 kHz Stereo @ 128 kbit/s
SDLOutput: using audio buffer of 192000 bytes
SDLOutput: audio opened; driver name: pulseaudio, freq: 48000, channels: 2, size: 16384, samples: 2048, silence: 0x00, output: 32bit float
ETISource: EOF reached!

So it SCIds with "SLS" in it but it seems that it cannot display the slideshow.

 

Pr2 

[jpuigs]

I've got a new USB device. It's an original RTL-SDR.COM one, bought directly at USA via amazon.       20180118_011620_.jpg   240.58KB   2 downloads

It works faster than the other one I had, chinese one.

PPM is -1, instead of 71 from old one.

FM tuning is also better, sound quality has less noise.

Sorry, I can't help with images. Currently in Spain no images are transmitted on any station.

 

[littlesat]

Does it also tune hf when you tune via sdr# in a pc?

[Matrix10]

Does it also tune hf when you tune via sdr# in a pc?

 

https://www.rtl-sdr....3-Datasheet.pdf

 

Here you have information about frequencies and specifications.

 

With this RTL SDR you can use the so-called direct sampling mode

But I have to say (I did not test) ,

for serious use

a HF converter is required for frequencies below 30 Mhz HF.

 

Or another RTL-SDR with a built-in converter.

 

On the sales website is often seen Chinese converter

I do not recommend it because it's a simple converter for a bit more money you have a better one

for HF .

[littlesat]

With direct sampling you should be able to tune to <14 MHz.... I just asked you if it is e.g. possible to receive AM radio with it...

 

Instead of converters I would prefer to go for SDRplay or so... as it has better sampling and filters etc.,, (e.g. the 1a of them) they are 130 Euro's and then not a real work-a-round. 

Edited by littlesat, 18 January 2018 - 10:32.

[jpuigs]

Does it also tune hf when you tune via sdr# in a pc?

 

I see Matrix10 has already answered.

I have not personally checked it.

[jpuigs]

I noticed that FM gives Mono sound.

I thought it was because my chinese usb dongle was a cheap one (it doesn't really have much difference compared to a good one), but now I see it is because rtl_fm just works with one audio channel.

rtl_fm -f %sM -M fm -l 0 -A std -s 171k -g 40 -E deemp -F 0 - | gst-launch-1.0 fdsrc ! audio/x-raw, format=S16LE, channels=1, layout=interleaved, rate=171000 ! audioresample ! audio/x-raw, format=S16LE, channels=1, layout=interleaved, rate=48000 ! dvbaudiosink

 

Is it possible to enable stereo, or it'd have too much CPU load ?

https://github.com/jorisvr/SoftFM

 

SoftFM actually produces pretty good stereo sound
when receiving a strong radio station.  Weak stations are noisy,
but SoftFM gets much better results than rtl_fm

Edited by jpuigs, 18 January 2018 - 10:48.

[Matrix10]

With direct sampling you should be able to tune to <14 MHz.... I just asked you if it is e.g. possible to receive AM radio with it...

 

Instead of converters I would prefer to go for SDRplay or so... as it has better sampling and filters etc.,, (e.g. the 1a of them) they are 130 Euro's and then not a real work-a-round. 

 

That is one of the possibilities.

Of course, first look at what's available on the market

for a certain amount of money.

 

I have not try direct mode,

I doubt it has good results because you must have a very strong signal to hear something.

Otherwise, without a long antenna there is no good reception at low frequencies.

The big problem at the lower frequencies are local disturbances of home devices and TV sets.

 

I have built NooElec RTL SDR stick into NooElec HF converter

so it is now a complete receiver.

And I have also big disturbances below 2Mhz of home devices and TV sets.

 

I have a simple antenna tuner that also serves as a front filter.

On Radio amateur frequencies can hear the whole world with wire antenna.