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Topic: Mute ssb audio on Digital RX (Read 1272 times)
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EB3AM
Neuling
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Posts: 8
I'm a llama!
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Mute ssb audio on Digital RX
« on: 19. October 2020, 10:18:35 »
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Hi, My name is Jordi and I live in Catalonia, with the Spanish call sign EB3AM, for the moment.
I'm a newcomer to SDR, and I'm playing freeDV for the first time without a computer.
I've been able to do some transmission with the FreeDV, which I think will be the future of radio in HF.
I have a couple of doubts;
- can I put a squelch or mute the SSB sound in freeDV? It's interesting to know if the channel is free, but a silencer would be fine.
-The text that appears during transmission can be edited? How?
Thank you very much!
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| « Last Edit: 19. October 2020, 10:19:21 by EB3AM » |
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EB3AM
Neuling
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Posts: 8
I'm a llama!
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Re:Mute ssb audio on Digital RX
« Reply #2 on: 19. October 2020, 11:59:38 »
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Thanks Andreas...
If I have some time i will try to add this features. I just colaborate a litle in the openGD77 project and is not strange for my run a compiler.
But, The code is so hard to read and locate where ara the parts for this options.
I Make a fork & try it!
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EB3AM
Neuling
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Posts: 8
I'm a llama!
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Re:Mute ssb audio on Digital RX
« Reply #4 on: 19. October 2020, 13:58:09 »
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Now it's my turn to read a lot of code, and see how it works.
I have 2 jobs that eat many hours a day, but I always have a little time to read in the evening.
The first is seen as being able to mute the raw sound, and next would make an entry into the menu. And on the text, if it's so just a matter of memory, I'm just looking at how to make an entry that can modify the text by keyboard and that doesn't eat more than there is now.
With a CQ, the locator and the prompt (and a reference to the device) may be enough...
Well, let's read, for the time being.
By the way, I didn't say, but this radio is fabulous!
I've had radios since the 1970s, CB first, and I've already started off more serious equipment. The first "big" radio was a kenwood 440, and then many others have come to the Icom 7300, which for me is a turning point in this world. SDR changes everything.
The other turning point was, a few years earlier, free software and specifically the emergence of Linux.
I have been teaching for many years that technology cannot be owned, in all aspects, but there was little development in this area. Icom hasn't released any new firmware on my radio for 2 years, and I don't expect it to, already. They're not interested in them commercially.
He has not released the source code either. And, as far as I know, no one has been able to extract an alternative firmware, as if it has happened with some Chinese DMRs, that even though the codes were not available, the device could be accessed and the product improved and democratised.
Now, this project is a one more step, where software is free, but also hardware. Something unthinkable when I started hamradio in the late 1970s.
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| « Last Edit: 19. October 2020, 13:59:28 by EB3AM » |
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DF8OE
Administrator
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Posts: 6268
Stellvertr. OVV I40, Jugend / Nachwuchsreferent
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Re:Mute ssb audio on Digital RX
« Reply #5 on: 19. October 2020, 14:25:58 »
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Hi Jordi,
many of the things you have written about are exactly those which have inspired me in my life. I was working with CB in the 70s, too. I got my "small" license in 1975 and my "big" in 1977. Every elecronic device I bought MUST BE SHIPPED WITH A SCHEMATICS - and this was absolutely standard in my youth up to the 80s. But with a more and more filled up market the strategy to sell more and more get more aggressive. Same in software. I never used Windows 3.x - but I used 95 and 98. But then Microsoft's aggressivity exploded and I switched to Linux in 2000.
We started this discussion group wit a local amateur radio group of < 10 persons - now we are a community of some hundred. My dream is to develop a radio which is inexpensive (regarding the quality and features), uses newest technology, has free firmware with GPLv3 source code, is built modular so that you do not need to throw away most parts when "a new version appears". We must become much more carefully with our environment. And I think in many aspects we have lived beyond our means. That does not imply that we are not allowed to get new radios (e.g.). That means we must construct and use them so that the ressources are not wasted but they live a long time. "Open Hardware" with schematics and "Open Software" both give everyone who wants the possibility to live this way.
UHSDR has grown and was improved in a fantastic way. The possibility of improvement will never end - possibly "forever young". And skill and knowledge of many contributors will live in UHSDR forever, too.
It is not just a radio - it is a philosophy   
vy 73
Andreas
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| « Last Edit: 19. October 2020, 14:29:36 by DF8OE » |
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