sound interrupted

[phil-audio]

hello,
sorry to ask you that, but I'm newbee in RPI and linux commands.
I managed to install on your RPI3 your application, I managed to scan my channels (Belgium Hainaut) but I have cuts of sound, you speak of latency = 2 but I do not know where it should find it in which file?
Can you give some information.
thank you so much

[JvanKatwijk]

There are two possible causes for interrupted sound, one being the latency setting, the other one being too weak a signal. Latency can be set in the ini file, a file created in the home directory. Right now I am on holidays and have no access to my development environment, but I think the line in the ini file (something like .qt-dab.ini) is latency=xxx

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On Sun, Mar 10, 2019, 9:58 PM phil-audio ***@***.***> wrote: hello, sorry to ask you that, but I'm newbee in RPI and linux commands. I managed to install on your RPI3 your application, I managed to scan my channels (Belgium Hainaut) but I have cuts of sound, you speak of latency = 2 but I do not know where it should find it in which file? Can you give some information. thank you so much — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#6>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AITzwBnqk5SMXufWzaagJyQCKmIJ_oHhks5vVXIGgaJpZM4bnf8h> .

[phil-audio]

hello,
Thank you for your reply,
I would wait for you to come back from vacation, enjoy well.
Then or can watch or I can find this famous file, because I found nothing.
Thank's Phil

[phil-audio]

hi ,
i found ( hiden) .dabradio.ini , i read a files
General :
6A=1
6B=-1
[rtlsdrSettings]
agcMode=false
ifgain=60

I did not see anything else as parameters.
I added "latency = 2" to see if it improved the sound, but it did not change anything.

thank's Phil

[JvanKatwijk]

As said earlier, there are two possible causes for audio dropout, one being the latency in "slow" computers as eq. RPI2, the other errors in decoding the audio data. In order to make the latter cause more visible (in qt-dab it is visible), I added a progressbar to the main widget in dabradio showing the successrate of audio decoding. Since the figure is combined figure (i.e. it depends on frame errors, on unrecoverable errors in the reed-solomon decoding and errors in the aacdecoding) it might not be completely accurate, but it should give a reasonable indication on whether the audio dropouts are caused by unrecoverable errors in the decoding (i.e. a weal signal) or by the audio system of the computing device Op do 14 mrt. 2019 om 17:37 schreef phil-audio <notifications@github.com>:

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hi , i found ( hiden) .dabradio.ini , i read a files General : 6A=1 6B=-1 [rtlsdrSettings] agcMode=false ifgain=60 I did not see anything else as parameters. I added "latency = 2" to see if it improved the sound, but it did not change anything. thank's Phil — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#6 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AITzwKFX99zbBLrjCTTAWoidSlayLiclks5vWnq_gaJpZM4bnf8h> .

-- Jan van Katwijk

[phil-audio]

Hello ,
thank you for your patience.
my Raspberry is a model 3.
so he must be powerful enough in calculation.
As stated in the previous message, where is the latency setting? because I did not find it anywhere.

the QT-dab2.0 software is a ready-made image that must be run under Rasbian, sorry but I'm not really a linux user.

Thanks, Phil

[JvanKatwijk]

The qt-dab software runs on an rpi3. The latency setting is - as said - in the ".qt-dab.ini" file, // situations wrt the output buffering. For windows and the RPI // this need to be a pretty large value (e.g. 5 to 10) latency = dabSettings -> value ("latency", 5). toInt (); It just reads "latency=xx", the default value is 5. If you are running qt-dab (I was under the impression that you were running dabradio) then in the widget "Technical data" it shows - in progressbars - the "quality of the various decoding steps" If you are running the rpi3 headless, then be aware that lost of data are transmitted over the network Hope this helps Op wo 20 mrt. 2019 om 19:10 schreef phil-audio <notifications@github.com>:

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Hello , thank you for your patience. my Raspberry is a model 3. so he must be powerful enough in calculation. As stated in the previous message, where is the latency setting? because I did not find it anywhere. the QT-dab2.0 software is a ready-made image that must be run under Rasbian, sorry but I'm not really a linux user. Thanks, Phil — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#6 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AITzwHa4-Q0ZF8Vf3Vc4A6MCEHmJwdlOks5vYnmZgaJpZM4bnf8h> .

-- Jan van Katwijk