Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
To try to add more detail, if you do 'man ssh' on a linux box you should see the '-X' option described as:
I guess it's proper name is "X11 forwarding" but most of us call it "tunneling".
On my
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Dave, N1AI
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#108709
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Just need the software equivalent of this diagram to understand the code
modules and how they fit together, and what parameters are passed between
each code module
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Paul <g0kaohx@...>
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#108708
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Gyula,
Sounds good on the 3 settings. I might have to get a couple of thee critters and try them .
good luck Ashok and pleasant Hamming!!!
73Davidac9xh
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david todd
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#108707
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Re: sBIT USB boot
Apples to apples indeed. I thought we were comparing to the hundreds of Intel Nuc-like devices flooding the market. Perhaps buy a $159 Intel and a $4 Pi Pico ?
After reading the specs I
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Steve Barkes
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#108706
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
I would listen to my broadcast on web sdr radio ( https://vu3dxr.in/websdr/ ). This way, the setting will be personalized.
--
Gyula HA3HZ
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HA3HZ
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#108705
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Hi David,
Thanks for the response. It is available with Adafruit. I have clone version. But it works.
I have put a 2k pot to ground on the O/P and wiper is presently connected to my PC to see the
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VU3KFK
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#108704
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Using google, the manufacturer's description is: MAX9814 ( https://www.analog.com/media/en/technical-documentation/data-sheets/max9814.pdf )
You can set the AGC and the gain to 3 different
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HA3HZ
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#108703
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Brain fart.
This should be:
cd $HOME/sbitx
./build sbitx
--
Regards,
Dave, N1AI
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Dave, N1AI
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#108702
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Yes.? I will share one of your favorite diagrams:
It is the sbitx app that decides to read audio in from the 'right in' channel of the codec and write sound to the 'left out' of the codec.
These
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Dave, N1AI
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#108701
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Hi Dave,
I agree that solving the root problem is a much better solution if it is incorporated into the main code. ?It becomes difficult if the modifications need to be done every time you want to
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Evan Hand
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#108700
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Ashok,
Might think about putting a potentiometer in line to vary the output. This might have the possiblities of over driving the internal amp of the ubitx.Would be a neat project to have a separate
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david todd
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#108699
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Re: MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Ashok,
Where does one purchase this item. if it has compression capabilities thats a benefit.
73
David
ac9xh
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david todd
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#108697
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
You are definitely getting to the heart of the issue.
The issue now is that the sbitx application is still relying on the codec to be at index 0, loopback to be at 1, loopback_1 to be at 2.
That's
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Dave, N1AI
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#108696
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
I agree.
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Dave, N1AI
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#108695
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
I hope no one thinks I'm picking on you.? I admire your many helpful posts here.? I hope you are feeling better soon.
However, the point I am making is it should not be necessary to disable HDMI
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Dave, N1AI
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#108694
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Is there a way we can provide a selection of where the audio routes from
some kind of command?
I would love to ideally route the mic and speaker to a bluetooth headset or
some rtp stream or the
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Ashhar Farhan
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#108693
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
Thanks Rafael, ?that is the line in config.txt.
73
Evan
AC9TU
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Evan Hand
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#108692
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MAX9814 Mic amplifier for uBitxV6
#microphone
#ubitx-help
#ubitx-v6
Hi all,
I want to use the MAX9814 microphone amp to improve the low SSB power O/P in uBitx.
It have compression capability also.
Many have used MAX9812, but MAX9812 is not available so I want to use
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VU3KFK
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#108691
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
dtoverlay=vc4-kms-v3d,noaudio
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Rafael Diniz
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#108690
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Re: Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks
You can disable the HDMI audio in the config.text file in the boot folder. ?I am laid up and can not get to my computer to look up the specific line to add the ¡°,noaudio¡± to the end of the dev=
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Evan Hand
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#108689
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